FREE ENGLISH CARRIER 30RY (01) PDF USER GUIDE
FREE ENGLISH CARRIER 30RY (01) PDF USER MANUAL
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FREE ENGLISH CARRIER 30RY (01) PDF OWNER MANUAL
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FREE ENGLISH CARRIER 30RY (01) PDF INSTRUCTION GUIDE
FREE ENGLISH CARRIER 30RY (01) PDF REFERENCE MANUAL
FREE ENGLISH CARRIER 30RY (01) PDF INSTRUCTION MANUAL
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CARRIER 30RY (01) PDF SUMMARY:
What safety considerations should be taken into account when installing, starting up, and servicing the equipment?
Only properly qualified installation engineers and highly qualified installers and technicians, fully trained for the product, are authorized to install and start-up the equipment safely. During all servicing operations, all instructions and recommendations in the installation and service instructions for the product, as well as on tags and labels fixed to the equipment and components and accompanying parts supplied separately, must be read, understood, and followed. Apply all standard safety codes and practices. Wear safety glasses and gloves. Use the proper tools to move heavy objects and move units carefully and set them down gently.
What precautions should be taken to avoid electrocution?
Only personnel qualified in accordance with IEC (International Electrotechnical Commission) recommendations may be permitted access to electrical components. It is particularly recommended that all sources of electricity to the unit be shut off before any work is begun. Shut off the main power supply at the main circuit breaker or isolator. Even when the main circuit breaker or isolator is switched off, certain circuits may still be energized, since they may be connected to a separate power source.
What should be done to avoid burns?
Electrical currents cause components to get hot either temporarily or permanently. Handle power cables, electrical cables and conduits, terminal box covers, and motor frames with great care.
When can a fan start?
A fan can start at any time, even if the unit has been shut down.
How does the Pro-Dialog system control the unit?
Pro-Dialog controls compressor start-up needed to maintain the desired heat exchanger entering or leaving water temperature. In cooling mode, it controls the operation of the fans to maintain the correct condensing pressure in each circuit. For heat pump units, it controls and optimizes the defrost cycles of each circuit to minimize the heating capacity reduction. Safety devices are constantly monitored by Pro-Dialog to ensure their safe operation. Pro-Dialog also gives access to a Quick Test program covering all inputs and outputs.
What are the three independent modes in which all PRO-DIALOG controls can work?
- Local mode: the machine is controlled by commands from the user interface.
- Remote mode: the machine is controlled by remote contacts (volt-free contacts).
- CCN mode: the machine is controlled by commands from the Carrier Comfort Network (CCN). In this case, a data communication cable is used to connect the unit to the CCN communication bus.
How is the operating mode chosen?
The operating mode must be chosen with the Start/Stop button described in section 4.2.1.
What happens when the PRO-DIALOG system operates autonomously (Local or Remote mode)?
It retains all of its own control capabilities but does not offer any of the features of the CCN network.
What does a light emitting diode (LED) indicate on each board?
A light emitting diode (LED) lights on each board when it is operating properly.
What does a red LED flashing for a 2-second period on the NRCP-BASE board indicate?
It indicates correct operation. A different rate indicates a board or a software failure.
On dual-circuit units or units equipped with an optional board, what does the green LED flashing continuously on all boards indicate?
It shows that the board is communicating correctly over its internal bus. If the LED is not flashing, this indicates a SIO bus wiring problem.
What does the orange LED of the master board flashing indicate?
It flashes during any communication via the CCN bus.
What types of sensors are used to measure the suction and discharge pressure in each circuit?
Two types of electronic pressure sensors are used.
Where are the evaporator water sensors installed?
The evaporator water sensors are installed in the entering and leaving side.
Where is the outdoor temperature sensor mounted?
The outdoor temperature sensor is mounted below the control box.
What is the function of the sensor placed on an air heat exchanger pipe in heat pump units?
It ensures defrost operation.
What does the control system consist of for single-circuit units?
The control system consists of an NRCP-BASE board.
What does the control system consist of for dual-circuit units?
The control system consists of two NRCP-BASE boards (a master and a slave board).
What board is used for heat pump units equipped with optional additional heater stages?
They use an additional board, type PD-AUX.
How do the boards communicate?
All boards communicate via an internal SIO bus.
What do the NRCP-BASE boards continuously manage?
They continuously manage the information received from the various pressure and temperature probes.
What does the NRCP-BASE master board incorporate?
It incorporates the program that controls the unit.
What does the user interface consist of?
The user interface consists of two display blocks with up to 26 LEDs and 16 buttons (according to unit type). It is connected to the main basic board and gives access to a full array of control parameters.
Where are the contacts available at the user’s terminal block located?
The contacts are available at the user’s terminal block on the NRCP-BASE board.
When can some of the contacts be used?
Some of them can only be used if the unit operates in remote operating type (rEM).
What is the purpose of the alarm relay output?
It indicates alarms.
What is the purpose of the boiler relay output?
It is for boiler start/stop control.
What is the purpose of contact 1 and 2?
They are used for unit start/stop and heat/cool control. They are only taken into account if the unit is under remote operation control (rEM).
What is the purpose of contact 3?
Depending on the configuration, this dry contact can be used for remote setpoint selection or demand limit selection. The remote setpoint selection contact is only taken into account if the unit is in remote control operating type. The remote demand limit selection contact is active whatever the operating type of the unit.
What is the purpose of the user safety loop input?
This contact is mounted in series with the water flow control contact. It can be used for any customer safety loop that requires that the unit is stopped, if it is open. If it is unused, this contact must be bridged.
What is the purpose of the connection to CCN?
An RS-485 bus is used for connection to the CCN.
What does the controller regulate for single-circuit units regarding evaporator pumps?
The controller can regulate one or two evaporator pumps and takes care of automatic change-over between pumps.
What is the purpose of the evaporator heater for single-circuit units?
It protects the evaporator (and the pipe heater for units without pump) against freezing if the unit is off.
What is the purpose of the boiler relay output for single-circuit units?
This relay output authorizes start/stop of a boiler.
What is the purpose of the condensate defrost heater for heat pump units?
This heater is used for heat pump units and is located at the bottom of the air heat exchanger of each circuit. It prevents ice build-up, if defrost cycles are initiated at low outdoor temperatures.
What is the purpose of the demand limit selection contacts for dual-circuit units?
These dry contacts are used for demand limit selection.
What is the purpose of the setpoint selection contacts for dual-circuit units?
These dry contacts are used for setpoint selection and are only taken into account if the unit is in remote control operating type (rEM).
What is the operation of contacts 1 and 2 when the automatic heating/cooling changeover function is not selected?
| OFF | ON cooling | ON heating | |
|---|---|---|---|
| Contact 1 | Open | Closed | Closed |
| Contact 2 | – | Open | Closed |
| Contact status not significant |
What is the operation of contacts 1 and 2 when the automatic heating/cooling changeover function is selected?
| OFF | ON cooling | ON heating | ON auto | |
|---|---|---|---|---|
| Contact 1 | Open | Closed | Closed | Open |
| Contact 2 | Open | Open | Closed | Closed |
The automatic changeover function (ON auto) selects the cooling or heating mode based on the outdoor temperature.
How does contact 3 determine the selection of demand limit or setpoint on single-circuit units?
| Demand limit selection | Setpoint selection | |
|---|---|---|
| 100% Limit 1 | Setpoint 1 Setpoint 2 | |
| Contact 3 | Open Closed | Open Closed |
Based on the configuration.
How do demand limit selection contacts operate on dual-circuit units?
The operation of the demand limit selection contacts is multiplexed.
What are the demand limit options on dual-circuit units?
| 100% | Limit 1 | Limit 2 | Limit 3 (no limit) | |
|---|---|---|---|---|
| Contact 3 | Open | Closed | Open | Closed |
| Contact 4 | Open | Open | Closed | Closed |
The demand limit setpoints are adjustable in the setpoint menu.
How does the water setpoint selection operate on dual-circuit units?
The operation of the cold water or hot water setpoint selection contacts is multiplexed.
How do setpoint selection contacts operate in cooling mode?
| Setpoint 1 | Setpoint 2 | Setpoint 3 | Auto | |
|---|---|---|---|---|
| Contact 5 | Open | Open | Closed | Closed |
| Contact 6 | Open | Closed | Open | Closed |
How do setpoint selection contacts operate in heating mode?
| Setpoint 1 | Setpoint 2 | Setpoint 3 | Auto | |
|---|---|---|---|---|
| Contact 5 | Open | Open | Closed | Closed |
| Contact 6 | Open | Closed | Open | Closed |
Auto means that the active setpoint is determined by the setpoint schedule.
What is the function of the Menu button?
Permits the selection of a main menu. Each main menu is represented by an icon. The icon is lit if active.
What is the function of the Up arrow button?
Permits scrolling through the menu items (in the two-digit display). If the modification mode is active, this button authorizes an increase of the value of any parameter.
What is the function of the Down arrow button?
Permits scrolling through the menu items (in the two-digit display). If the modification mode is active, this button authorizes a decrease of the value of any parameter.
What is the function of the Enter button?
Gives access to the modification mode, validates a modification or displays an expanded item description.
What is the function of the Start/stop button?
Authorizes the start or stop of the chiller in local mode or modification of its operating type.
What does the INFORMATION menu display?
Displays the general operating parameters for the unit.
What does the TEMPERATURES menu display?
Displays the unit operating temperatures.
What does the PRESSURES menu display?
Displays the unit operating pressures.
What does the SETPOINTS menu display?
Displays the unit setpoints and enables them to be modified.
What does the INPUTS menu display?
Displays the status of the unit digital and analog inputs.
What does the OUTPUTS/TESTS menu display?
Displays the status of the unit outputs and enables them to be tested.
What does the CONFIGURATIONS menu display?
Displays the unit configuration and enables it to be modified.
What does the ALARMS menu display?
Displays active alarms.
What does the ALARMS HISTORY menu display?
Displays the history of the alarms.
What does the RUNTIMES menu display?
Displays the operating times and number of starts for the unit and the compressors.
What does the local interface enable to be displayed and modified?
A number of operating parameters.
What are the two distinct parts of the interface?
The main interface (left-hand section) and the summary interface (right-hand section).
What does the main interface give access to?
All PRO-DIALOG data and operating functions.
What does the summary interface give quick access to?
The main operating parameters of the unit.
When is the green LED lit on the summary interface?
The unit is authorized to start or is already running.
When is the red LED lit or flashing for circuit A or unit?
- Lit: circuit A or unit shut down by alarm
- Flashing: circuit A or unit running with alarm present
When is the red LED lit or flashing for circuit B or unit?
- Lit: circuit B or unit shut down by alarm
- Flashing: circuit B or unit running with alarm present
When is the red LED lit on the summary interface related to the water flow switch?
When the water flow switch default or user safety lock is open.
When is the green LED lit on the summary interface related to the evaporator pump?
When the evaporator pump is running.
What do the Yellow LEDs indicate on the summary interface?
From top to bottom – start/stop status of compressor A1, A2 and A3 or B1, B2 and B3. A flashing LED indicates that the circuit is in the protection or defrost mode (A or B).
When is the green LED lit on the summary interface related to heating mode?
When the unit operates in heating mode.
When is the green LED lit on the summary interface related to cooling mode?
When the unit operates in cooling mode.
What can the blue button on the summary interface display?
Evaporator leaving or entering water temperature in °C.
What can the gray button on the summary interface display?
Outdoor air temperature in °C.
What can be displayed by pressing the summary interface buttons related to pressure?
Press 1: circuit A/B discharge pressure in kPa Press 2: circuit A/B saturated condensing temperature in °C Press 1: circuit A/B suction pressure in kPa Press 2: circuit A/B saturated suction temperature in °C.
What can be displayed by pressing the summary interface buttons related to compressor operating hours?
Press 1: compressor A1/B1 operating hours in h/10 or h/100 Press 2: compressor A2/B2 operating hours in h/10 or h/100 Press 3: compressor A3/B3 operating hours in h/10 or h/100.
How can the unit start/stop be controlled?
- Locally on the actual unit (Local control type)
- By remote control with the aid of user contacts (remote control type)
- By CCN control with the aid of the CCN (CCN control type)
What is the purpose of the Start/Stop button on the main interface?
The Start/Stop button can be used to stop or start the unit in the local operating type or to select the remote or CCN operating type.
What are the available operating types?
| 4 DIGIT DISPLAY | DESCRIPTION |
|---|---|
| LOFF | Local Off. The unit is halted in local mode. |
| L-On | Local On. The unit is in local control mode and is authorized to start. |
| L-Sc* | Local On – timer control. The unit is in local control mode. It is authorized to start if the period is occupied. If the timer program for unit operation is unoccupied, the unit remains shut down until the period becomes occupied. |
| CCN* | CCN. The unit is controlled by CCN commands. |
| rEM* | Remote. The unit is controlled by remote control contacts. |
| MAST* | Master Unit. The unit runs as a master in a two-unit lead/lag arrangement. This is displayed if the unit is configured for master/slave control. |
Displayed if the configuration requires it.
How can the unit be stopped in local mode?
The unit can be stopped in local mode at any time by pressing the Start/Stop button. Press the Start/Stop button for less than 4 seconds. If the button is released, the unit stops without the need for further action.
How can the unit be started in local mode or the unit operating type changed?
The unit can be started in local mode, or the unit operating type can be changed at any time using the Start/Stop button. Press the Start/Stop button for 4 seconds. “C” flashes in the 2-digit display to show that the controller is awaiting confirmation. Press the Enter button to confirm the operating type. If the Enter button is not pressed soon enough, the controller will cancel the change and remain in the stop mode.
How do I select a menu?
The MENU button allows you to select a menu from the 10 main menus that are available. Each time you press this button, one of the 10 LEDs lights up in turn alongside each of the icons representing a main menu. The active menu is the one against which the LED is lit. If a menu is empty then its LED is not lit. To scroll quickly through the menus, hold the MENU button down.
How do I select a menu item?
The up and down Arrow buttons let you scroll through the menu items. Menu item numbers are displayed in the two-digit display. The item number increases or decreases every time you press the up or down Arrow button. The menu items that are not in use or incompatible with the configuration are not displayed. The value or status associated with the active item is displayed in the four-digit display. To scroll quickly through the items, hold the up or down Arrow button down.
How do I access item 3 in the Pressures menu?
Press the MENU button until the 0 LED marked PRESSURE lights. On the PRO-DIALOG Junior interface the menu LEDs are not available; instead, each time the menu button is pressed, the name of the active menu is displayed in the 4-digit display. In this example, press the MENU button until PRESSURE is displayed in the 4-digit display. Then, press one of the Arrow buttons until the two-digit display shows 3 (item number 3).
How do I enter modification mode or select a sub-menu?
Press the Enter button for more than 2 seconds to enter the modification mode or to select a sub-menu. This lets you correct the value of an item or select a sub-menu with the aid of the up and down Arrow buttons if you are authorized to overwrite the item concerned.
What happens when modification mode is activated?
When modification mode is activated, the LED for the main menu to which the item belongs as well as the 2-digit display flash in the menu block. Once the required value is obtained, press the Enter button again to validate the change or to access the sub-menu. The LED for the menu to which the item and the 2-digit display belong then stops flashing, indicating that modification mode no longer applies.
How do I modify the value of a parameter?
In modification mode, the value to be modified increases or decreases in steps of 0.1 every time you press the Arrow buttons. Holding one of these buttons down increases the rate of increase or decrease.
Is a password required to access a sub-menu?
Yes, the access to a sub-menu may require entering a password. This is automatically requested.
How do I modify the value of item 1 in the Setpoint menu?
Hold the MENU button until the LED for SETPOINT lights. On a PRO-DIALOG Junior interface, press the menu button until SETPOINTS is displayed in the 4-digit display. Press one of the Arrow buttons until the two-digit display shows 1 (item number 1 – cooling setpoint 2). The value for setpoint 2 is displayed in the four-digit display. Press the Enter button for more than 2 seconds to enable the value associated with item 1 to be modified. The Setpoint menu LED and the two-digit display flash, indicating that modification mode is active. Keep pressing the Down Arrow button until the desired value is displayed in the four-digit display. The Setpoint menu LED and the two-digit display keep flashing. Press the Enter button again to validate the change. The Setpoint menu LED and the two-digit display stop flashing, indicating that modification mode no longer applies.
How do I select an operating type?
Continually press the operating type selection button for more than 4 seconds. Hold down the Start/Stop button. The available operating types are displayed one by one until the button is released. Release the Start/Stop button if the operating type you want is displayed. “C” flashes in the 2-digit display to show that the controller is awaiting confirmation. Press the Enter button to confirm the operating type selected. “t” is displayed in the 2-digit display to indicate the operating type selected. If the Enter button is not pressed soon enough, the controller will cancel the change and continue to use the previous operating type.
What happens when I press the Enter button?
Pressing the Enter button causes a 23 character text expansion to be scrolled across the four-digit display. All user menus provide an expansion of the current displayed parameters. If the expansion is complete, the four-digit display reverts to item value. This function can be inhibited through the User Configuration menu.
What is displayed on the user interface?
The items in brackets show what is displayed on the user interface.
What does the Information Menu display?
The information menu displays the following:
- Automatic display mode: Cycles through controlled water temperature, unit operating type, and unit status.
- Unit operating type: Local Off, Local On, Local On – based on unit clock (if installed), CCN Control (if installed), Remote Control Master unit.
- Unit status: Off, Ready, Delay, Stopping, On, Fault shutdown, Limit, Defrost.
- Unit occupied/unoccupied status: Occupied, Unoccupied.
- Heating/cooling operating mode: Cooling, Heating, Standby, Both.
- Alarm mode: Alarm, Alert.
- Master/Slave status: Master, Slave.
- Active mode codes.
- Current unit occupied/unoccupied mode.
- Start-up delay.
- Heating/cooling on selection.
- Heating/cooling mode.
- Total active capacity of the unit.
- Total active capacity of circuit A.
- Total active capacity of circuit B.
- Active electric heating stages.
- Present demand limit.
- Present lag chiller demand limit.
- Setpoint select in local mode.
- Setpoint occupied mode.
What does the Setpoints Menu display and how do I modify values?
The setpoints menu allows you to display and modify the following:
- Cooling setpoint 1
- Cooling setpoint 2
- Heating setpoint 1 (only for heat pumps)
- Heating setpoint 2 (only for heat pumps)
- Heating setpoint 3 (only for heat pumps)
- Automatic changeover threshold, cooling mode
- Automatic changeover threshold, heating mode
- Demand limit 1 setpoint
- Demand limit 2 setpoint
- Demand limit 3 setpoint
- Cooling or heating ramp loading rate
- Zero reset threshold, cooling mode
- Full reset threshold, cooling mode
- Full reset value, cooling mode
- Zero reset threshold, heating mode
- Full reset threshold, heating mode
- Full reset value, heating mode
What does the Temperatures Menu display? The Temperatures menu displays the following:
- Water heat exchanger entering water temperature
- Water heat exchanger leaving water temperature
- Outdoor temperature
- Saturated discharge temperature, circuit A
- Saturated suction temperature, circuit A
- Saturated discharge temperature, circuit B
- Saturated suction temperature, circuit B
- Defrost temperature, circuit A
- Defrost temperature, circuit B
- Chilled water system temperature
What does the Pressures Menu display?
The Pressures menu displays the following:
- Discharge pressure, circuit A
- Suction pressure, circuit A
- Discharge pressure, circuit B
- Suction pressure, circuit B
What does the Inputs Menu display?
The Inputs menu displays the status of the following remote contacts:
- Remote contact 1 status
- Remote contact 2 status
- Remote contact 3 status
- Remote contact 4 status
- Remote contact 5 status
- Remote contact 6 status
- Interlock status
- Water pump run contact status
- Compressor feedback contacts, circuit A
- Compressor feedback contacts, circuit B
What does the Outputs Status & Tests Menu display?
The Outputs Status & Tests menu displays the status of the following:
- Circuit A compressors
- Circuit B compressor
- Two-speed fan status, circuit A
- Two-speed fan status, circuit B
- Single-speed fan status
- Evaporator water pump #1 command status
- Evaporator water pump #2 command status
- Water or air heat exchanger heater command status
- Alarm output command status
- Boiler command status
- Variable fan speed, circuit A
- Variable fan speed, circuit B
- 4-way reversing cycle valve status
- Additional heating stage status
- Used for local interface test only
- Automatic test
How can I perform manual tests on the outputs?
To carry out a manual test, use the arrow keys to access the output to be tested and press the Enter key (longer than 2 seconds) to activate the modification mode. The password is automatically requested, if it has not previously been verified. The Outputs/Test LED on the user interface begins to flash. Enter the desired test value and again press Enter to start the test. ‘TESt’ is displayed on the 4-digit display alternately with the value tested. The Outputs/Test LED stops flashing. Press the Enter key or an arrow key to stop the test.
How does the automatic test function work?
The automatic test function verifies the integrity of the analogue entries and activates the outputs in sequence. For each test ‘t XX’ is displayed on the user interface, where ‘xx’ indicates the number of the test in progress. When a test has been completed, the following test is automatically activated.
What happens if the control cannot automatically verify a sensor value or an output status?
A message may appear, asking the operator for a validation with the Enter key. If the value read or the output status is incorrect, the operator must press a different key (not the Enter key) to cancel the automatic test procedure.
What happens if a test fails?
If a test fails, an error message and an error code are displayed. The automatic test procedure is interrupted.
What happens when all tests have been completed?
When all tests have been completed, an end-of-test message appears.
What are the possible messages displayed during the automatic test sequence?
The following messages can be displayed during the automatic test sequence:
- Thermistor test failed [XX]
- Pressure test failed [XX]
- Output test failed [XX]
- Input test failed [XX]
- Press enter if test [XX] correct
- OAT [value] press enter if correct
- Test number XX
- Auto test completed
What is the automatic test?
The automatic test includes a series of tests for different components of the unit. These tests include:
- Outdoor temperature sensor test
- Pressure sensor test – circuit A
- Pressure sensor test – circuit B (dual-circuit units only)
- Defrost sensor test – circuit A (heat pumps only)
- Defrost sensor test – circuit B (dual-circuit heat pumps only)
- Water flow switch test and primary pump test
- Entering and leaving water temperature sensor test
- Water system temperature sensor test (for master/slave units equipped with this sensor only)
- Water flow switch test and secondary pump test (for units equipped with a secondary pump only)
- Test compressor A1, A2 (if applicable), A3 (if applicable)
- 4-way reversing valve test, circuit A (heat pumps only)
- Test compressor B1 (if applicable), B2 (if applicable), B3 (if applicable)
- 4-way reversing valve test, circuit B (dual-circuit heat pumps only)
- Low-speed test, fan A1 (units not equipped with Varifan)
- High-speed test, fan A1 (units not equipped with Varifan)
- Low-speed test, fan A2 (dual-circuit units not equipped with Varifan)
- High-speed test, fan A2 (dual-circuit units not equipped with Varifan)
- Fixed-speed test, fan A2 (for circuits equipped with a second fan)
- Fixed-speed test, fan B2 (for circuits equipped with a second fan)
- Water and air heat exchanger heater test
- Boiler output activation (if unit controls a boiler)
- Additional electric heating stage 1 activation (if unit controls electric heating stages)
- Additional electric heating stage 2 activation (if unit controls electric heating stages)
- Additional electric heating stage 3 activation (if unit controls electric heating stages)
- Additional electric heating stage 4 activation (if unit controls electric heating stages)
- Alarm output A activation
- Alarm output B activation
- Automatic test completed
What are the possible test faults?
The possible test faults include:
- Outdoor air thermistor outside range
- Outdoor air value read not validated by operator
- Low pressure transducer, circuit A, outside range
- High pressure transducer, circuit A, outside range
- Low pressure transducer, circuit B, outside range
- High pressure transducer, circuit B, outside range
- Defrost thermistor, circuit A, outside range
- Defrost thermistor, circuit B, outside range
- Water flow switch not open
- Primary pump not started or water flow switch not closed
- Water entering temperature sensor outside range
- Water leaving temperature sensor outside range
- Temperature difference between entering and leaving water sensors too high
- Water system leaving temperature sensor outside range
- Temperature difference between the system entering and leaving water sensors too high
- Water flow switch not closed or primary pump not stopped
- Secondary pump not started or water flow switch not closed
- Water flow switch not closed or secondary pump not stopped
- Command fault; compressor A1
- Command fault; compressor A2
- Command fault; compressor A3
- Command fault, 4-way reversing valve, circuit A
- Command fault; compressor B1
- Command fault; compressor B2
- Command fault; compressor B3
- Command fault, 4-way reversing valve, circuit B
- Low-speed test, fan A1 not validated by the operator
- High-speed test, fan A1 not validated by the operator
- Low-speed test, fan B1 not validated by the operator
- High-speed test, fan B1 not validated by the operator
- Test fan A2 not validated by the operator
- Test fan B2 not validated by the operator
- Water heat exchanger heater and air heat exchanger condensate heater test, circuit A not validated by the operator
- Air heat exchanger condensate heater, circuit B, not validated by the operator
- Boiler activation test not validated by the operator
- Electric heating stage 1 activation test not validated by the operator
- Electric heating stage 2 activation test not validated by the operator
- Electric heating stage 3 activation test not validated by the operator
- Electric heating stage 4 activation test not validated by the operator
- Alarm relay output activation test, circuit A not validated by the operator
- Alarm relay output activation test, circuit B not validated by the operator
What can be displayed and modified in the configuration menu?
The configuration menu can be used to display and modify all configurations: Factory, Service, and User. Only the User Configuration can be modified by the end-user. A configuration can only be modified if the unit is fully stopped (LOFF).
How is the test function or configuration modification accessed?
A password must be entered in order to access the test function or to modify a configuration. If required, ‘EntEr PASS’ is displayed and the configuration menu LED flashes. Press the arrow keys until the value ‘11’ is displayed then press Enter to validate. The configuration menu LED stops flashing. If the password is correct, ‘Good’ is displayed. If the password is incorrect, ‘PASS incorrEct’ is displayed. The User password has a default value of 11.
When can a password be entered to modify a configuration?
The password can be entered if the unit is fully stopped, otherwise ‘ACCES dEniEd’ will be displayed. The controller automatically deactivates the password after 5 minutes without activity or after powering up.
What are the sub-menus in the schedule 1 menu?
The sub-menus in the schedule 1 menu are:
- Period 1
- Period 2
- Period 3
- Period 4
- Period 5
- Period 6
- Period 7
- Period 8
What are the sub-menus in the date menu?
The sub-menus in the date menu are:
- Hour
- Day of the week
- Day and month
- Year
What are the sub-menus in the schedule 2 menu?
The sub-menus in the schedule 2 menu are:
- Period 1
- Period 2
- Period 3
- Period 4
- Period 5
- Period 6
- Period 7
- Period 8
What are the sub-menus in the holiday menu?
The sub-menus in the holiday menu are:
- Holidays 1
- Holidays 2
- Holidays 3
- Holidays 4
- Holidays 5
- Holidays 6
- Holidays 7
- Holidays 8
- Holidays 9
- Holidays 10
- Holidays 11
- Holidays 12
- Holidays 13
- Holidays 14
- Holidays 16
What are the sub-menus in the broadcast menu?
The sub-menus in the broadcast menu are:
- Broadcast acknowledger selection
- Broadcast activation
- Outdoor temperature broadcast bus
- Outdoor temperature broadcast element
- Start month daylight saving time
- Start day daylight saving time
- Start hour daylight saving time
- Minutes to add
- End month daylight saving time
- End day daylight saving time
- End hour daylight saving time
- Minutes to subtract
What are the sub-menus in the User 2 menu?
The sub-menus in the User 2 menu are:
- Periodic pump start-up
- Night mode – start hour
- Night mode – end hour
- Night mode demand limit
- Night mode min. demand
- Alarm relay selection
- Number clock 1
- Number clock 2
- CCN element number
- CCN bus number
- Password for all user configurations
- Software version number
What are the sub-menus in the User 1 menu?
The sub-menus in the User 1 menu are:
- Ramp selection
- Start-up delay
- Water pump selection
- Water pump changover delay
- Pump shutdown in standby mode
- Control contact 3 selection
- Setpoint reset selection, cooling mode
- Setpoint reset selection, heating mode
- Boiler selection
- Boiler operation threshold
- Operating threshold, heating mode
- Electric heating stage operation threshold
- Electric heating safety stage threshold
- Electric heating stage operation schedule
- Quick start-up, electric heater stages in defrost mode
- Automatic heating/cooling changeover selection
- Extended display selection
What is the “Period X Menu” used for?
The “Period X Menu” is used for configuring time periods. It has the following items:
- Return to previous menu
- Start of occupied period
- End of occupied period
- Selection Monday
- Selection Tuesday
- Selection Wednesday
- Selection Thursday
- Selection Friday
- Selection Saturday
- Selection Sunday
- Selection holidays
What is the “Holidays X Menu” used for?
The “Holidays X Menu” is used for configuring holiday periods. It has the following items:
- Return to previous menu
- Start month holidays
- Start day holidays
- Number of days, holidays
What is the purpose of the User Configuration menu item #2, Ramp loading select?
Ramp loading select enables or disables the ramp for heating or cooling. When enabled, the maximum rate of temperature drop or rise for the heat exchanger water can be configured. This is only for units with more than one compressor.
What is the purpose of the User Configuration menu item #3, Delay at start-up?
Delay at start-up sets a delay between 1 and 15 minutes, during which no compressor will start. The evaporator pump will activate immediately. The safety lockout loop will not be checked until the delay has expired. This value is reset after power-up or when both circuits are halted.
What is the purpose of the User Configuration menu item #4, Pump sequence select?
Pump sequence select allows you to choose between no pump, one pump only, two pumps with auto rotation, pump #1 manual select, or pump #2 manual select. If auto rotation is selected, the pump change-over occurs when the rotation delay is elapsed. If manual sequence is selected, the selected pump is used in priority. Change-over occurs if one pump fails.
What is the purpose of the User Configuration menu item #5, Pump changeover delay?
Pump changeover delay is used for pump auto-rotation. The control tries to limit the pump run time difference to the pump changeover delay value. Change-over between pumps occurs when this difference becomes greater than the configured pump changeover delay. This parameter is displayed if auto pump sequence is selected.
What is the purpose of the User Configuration menu item #6, Pump shutdown in standby mode?
Pump shutdown in standby mode shuts down the pump when the standby mode is active and automatically restarts it in heating or cooling mode. This parameter is displayed if the unit controls a water pump.
What is the purpose of the User Configuration menu item #7, Contact 3 select?
Contact 3 select determines whether contact 3 is used for remote demand limit or dual setpoint control. This setting is for single-circuit units only.
What is the purpose of the User Configuration menu item #8 and #9, Cooling and Heating setpoint reset select?
The Cooling and Heating setpoint reset select allows you to choose whether the setpoint is not selected, reset based on outdoor temperature, or reset based on return water temperature.
What is the purpose of the User Configuration menu item #10, Boiler control select?
Boiler control select determines whether a boiler is controlled by the unit or not.
What is the purpose of the User Configuration menu item #11, Boiler threshold?
Boiler threshold is the outdoor air temperature limit. If the temperature is lower, the heat pump is stopped or only the boiler is used for hot water production. This setting is only for heat pumps controlling an additional boiler.
What is the purpose of the User Configuration menu item #12, Operating threshold, heating mode?
Operating threshold, heating mode is the outside air temperature threshold below which the heat pump shuts down. The unit switches the electric heaters on and off (if they exist). This setting is for heat pumps only.
What is the purpose of the User Configuration menu item #13, Electric heating stage threshold?
Electric heating stage threshold is the maximum outdoor air temperature threshold for the use of electric heating stages. This setting is only for heat pumps equipped with optional additional electric heating stages.
What is the purpose of the User Configuration menu item #14, Electric heating safety stage?
Electric heating safety stage activates the last electric heating stage only in safety mode in case of a unit fault. The other electric heating stages operate normally. This setting is for heat pumps.
What is the purpose of the User Configuration menu item #15, Electric heating stage operation schedule?
Electric heating stage operation schedule sets a start-up delay after unit start-up during which the electric heater stages are not allowed to start.
What is the purpose of the User Configuration menu item #16, Quick start-up, electric heater stages in defrost mode?
Quick start-up, electric heater stages in defrost mode allows the electric heater stages to start up immediately if a circuit switches to defrost mode. This is for heat pumps only.
What is the purpose of the User Configuration menu item #17, Automatic cooling/heating changeover select?
Automatic cooling/heating changeover select permits activation of the automatic changeover function.
What is the purpose of the User Configuration menu item #18, Extended menu select?
Extended menu select activates or inhibits the menu item expanded display.
What are the two timer programs?
The two timer programs are: schedule 1 and schedule 2. Schedule 1 automatically switches the unit from an occupied mode to an unoccupied mode, and schedule 2 automatically switches the active setpoint from an occupied setpoint to an unoccupied setpoint. Each schedule consists of eight time periods set by the operator.
What does schedule 1 do?
Schedule 1 switches the unit from an occupied mode to an unoccupied mode. The unit is started during occupied periods.
What does schedule 2 do?
Schedule 2 switches the active setpoint from an occupied setpoint to an unoccupied setpoint. Cooling setpoint 1 is used during occupied periods, cooling or heating setpoint 2 during unoccupied periods, and heating setpoint 3 is activated during holiday periods.
How can the active setpoint be selected?
The active setpoint can be selected by choosing the item in the Information menu, with the user’s volt-free contacts, with network commands, or with the setpoint timer program (schedule 2).
How are the time periods for the timer programs set?
Each schedule consists of eight time periods set by the operator. These time periods can be flagged to be in effect or not in effect on each day of the week plus a holiday period. The day begins at 00:00 hours and ends at 24:00 hours.
What is the purpose of the User 2 Configuration menu item #1, Periodic pump quick-start of the water pump(s)?
Periodic pump quick-start of the water pump(s) starts the pump periodically when the unit is manually stopped. When enabled, the pump is started each day at 14:00 hours for 2 seconds. If two pumps are available, pump #1 is started on odd days and pump #2 on even days.
What is the purpose of the User 2 Configuration menu item #2 and #3, Night control mode – start time and end time?
The night control mode – start time and end time set the times at which the night control mode starts and ends. During this period, the fan runs at low speed if permitted and unit capacity is limited to the maximum night values.
What is the purpose of the User 2 Configuration menu item #4, Night mode demand limit value?
Night mode demand limit value permits demand limitation in the night control mode. If the unit fans cannot be kept at low speed, the unit capacity is reduced to prevent fan operation at high speed.
What is the purpose of the User 2 Configuration menu item #5, Night mode demand limit?
Night mode demand limit is the minimum capacity the unit can operate at during night control mode. The unit capacity is never reduced below this capacity in night control mode.
What is the purpose of the User 2 Configuration menu item #6, Alarm relay selection?
Alarm relay selection allows for the selection of alarm/alert outputs. The options are alarms/alerts, one output per circuit, alarms only, one alarm output per circuit, or mixed mode, one alarm relay and one alert relay, for dual-circuit units only.
What is the purpose of the User 2 Configuration menu item #7 and #8, Schedule 1 and Schedule 2 clock number?
Schedule 1 and Schedule 2 clock number are for setting the schedule clock number. 0 is for local operating mode, and 65 to 99 is for CCN operating mode.
What is the purpose of the User 2 Configuration menu item #9 and #10, CCN element address and bus number?
The CCN element address and bus number must be unique on the network.
What is the purpose of the User 2 Configuration menu item #11, Password for all User Configurations?
Password for all User Configurations makes the User Password required for all configurations accessible by the User when validated.
What is the purpose of the User 2 Configuration menu item #12, Software version number?
Software version number displays the software version used by the controller. Access is read only.
How is the current time set?
The current time is set by accessing the Date and Time configuration sub-menu and adjusting the hours and minutes. The first time the Enter button is continuously pressed, the first two characters flash to adjust the hours. Pressing Enter again causes the last two characters to flash to adjust the minutes.
How is the current day of the week set?
The current day of the week is set by selecting from options of Monday (Mon), Tuesday (tUe), Wednesday (uEd), Thursday (tHu), Friday (FrI), Saturday (SAt), and Sunday (Sun).
How is the current day and month set?
The current day and month are set by accessing the Date and Time configuration sub-menu and adjusting the day and month. The first time the Enter button is continuously pressed, the first two characters flash to adjust the day. Pressing Enter again causes the last two characters to flash to adjust the month.
How is the current year set?
The current year is set by accessing the Date and Time configuration sub-menu and adjusting the year.
How is the occupied period start and end time set in the Period X configuration?
The occupied period start and end time is set by adjusting the hours and minutes. The first time the Enter button is continuously pressed, the first two characters flash to adjust the hours. Pressing Enter again causes the last two characters to flash to adjust the minutes.
How are the days of the week selected for a period to be in effect in the Period X configuration?
For each day of the week, a value of 1 means that the period is in effect, and a value of 0 means that the period is not in effect. The days of the week are Monday (Mo), Tuesday (tu), Wednesday (UE), Thursday (tH), Friday (Fr), Saturday (SA), and Sunday (Su). The holiday setting (Ho) also can be set to 1 for in effect or 0 for not in effect.
How are overlapping periods handled?
If two periods overlap and are both active on the same day, the occupied mode takes priority over the unoccupied period.
How do you access and change the period configuration?
Each of the eight periods can be displayed and changed with the aid of a sub-sub-menu. The method is the same for both time schedule #1 and time schedule #2.
How is the broadcast function used?
The broadcast function is used to configure the unit to be the CCN’s broadcaster, responsible for transmitting the time, outdoor temperature, and holiday flags to all system elements.
What is the purpose of the Broadcast Configuration menu item #1, Broadcast acknowledger?
Broadcast acknowledger determines if the unit is a broadcast acknowledger when connected on a CCN network. There must be only one broadcast acknowledger in a CCN. If the unit operates in standalone mode, this must be set to Yes if the holiday function is used or if you want to configure the daylight saving time function.
What is the purpose of the Broadcast Configuration menu item #2, Broadcast activation?
Broadcast activation enables or disables the broadcast function. When set to Yes, the control will make a periodic broadcast on the CCN. When set to No, the control is not the broadcaster. If the unit operates in standalone mode, this must be set to Yes if the holiday function is used or if you want to configure the daylight saving time function.
What is the purpose of the Broadcast Configuration menu item #3 and #4, OAT Broadcaster bus number and element number?
OAT Broadcaster bus number and element number are for the system that has the outside air temperature sensor connected to it. These are used for CCN network functions only.
How is daylight saving time configured?
Daylight saving time is configured by setting the start month, start day, start hour and minutes to add and end month, end day, end hour and minutes to subtract. These settings determine when the broadcaster will adjust its time for daylight saving time.
How are holiday periods configured?
Holiday periods are configured by setting the start month, start day and duration of the public holiday period.
What is the format for a public holiday period?
The format for a public holiday period includes a start month, a start day, and the duration of the holiday period in days.
What does the alarm menu display?
The alarm menu displays up to 5 fault codes that are active on the unit and permits alarm reset. If no alarm is active, this menu is not accessible.
How do you reset alarms?
To reset all active alarms, continuously press the Enter key. ‘rESET ALArM’ is then displayed. Press the select key again: all alarms are reset.
What is the purpose of the Alarms History menu?
The Alarms History menu displays the operating hours of the unit and its components, as well as the number of starts. It also provides an alarm history and maintenance information.
What is displayed in the Alarms History menu?
The Alarms History menu displays the following information:
- Unit operating hours
- Unit operating hour in cooling mode
- Unit operating hours in heating mode
- Compressor A1 operating hours
- Compressor A2 operating hours
- Compressor A3 operating hours
- Compressor B1 operating hours
- Compressor B2 operating hours
- Compressor B3 operating hours
- Machine starts
- Compressor A1 starts
- Compressor A2 starts
- Compressor A3 starts
- Compressor B1 starts
- Compressor B2 starts
- Compressor B3 starts
- Pump #1 operating hours
- Pump #2 operating hours
- Alarm history codes 1-10
What is the purpose of the Runtimes 1 menu?
The Runtimes 1 menu displays various operating statistics.
How does the unit control start and stop?
The unit can be controlled by the start/stop button on the user interface, remote start/stop contacts, or a network command when the unit is in CCN control. If a CCN emergency shutdown is activated, the unit will shut down regardless of other settings. A general alarm will also stop the unit.
What is the purpose of the Maintenance menu?
The Maintenance menu provides information related to maintenance including when maintenance is due for the pumps and water filter, as well as some runtime statistics.
What is displayed in the Maintenance menu?
The Maintenance menu displays the following information:
- Alert messages
- Water loop rate to low message
- Next primary pump maintenance operation in nnn days
- Next secondary pump maintenance operation in nnn days
- Next water filter maintenance operation in nnn days
- Compressor starts for compressor with most starts during the last hour
- 24 hours average number of starts/hour, compressor
- Minimum compressor operating time during last hour
- 24 hours average minimum operating time above
- Boiler operating hours
- Electric heating stage operating hours
- No. of defrost cycles, circuit A
- No. of defrost cycles, circuit B
How is the operating type selected?
The operating type is selected using the start/stop button on the user interface.
How are remote start/stop contacts used?
Remote start/stop contacts are used when the unit is in remote operating type (rEM).
What is CHIL_S_S?
CHIL_S_S is a network command that relates to the chiller start/stop when the unit is in CCN control (CCn). Variable forced to disable: the unit is halted. Variable forced to Enable: the unit runs in accordance with schedule 1.
What is the Start/Stop schedule?
Start/Stop schedule is the occupied or unoccupied status of the unit as determined by the chiller start/stop program (Schedule #1). This is used when the unit is equipped with an optional CCN/clock board.
What is the Master control type?
Master control type determines whether the unit is to be controlled locally, remotely, or through CCN when the unit is the master unit in a two-chiller lead/lag arrangement.
What is CCN emergency shutdown?
CCN emergency shutdown is a CCN command that shuts the unit down regardless of the active operating type.
What causes a general alarm?
A general alarm will cause the unit to stop due to a failure.
What are the heating/cooling/standby operation modes?
The heating/cooling/standby selection applies to all units. Only certain units can change over to heating mode. In automatic mode, the outdoor temperature determines the heating/cooling/standby changeover based on configured threshold values. If the unit is in standby, it does not cool or heat, and no compressor can be activated.
How is heating/cooling operation selected?
Heating/cooling control can be automatic or manual. The operating mode can be selected via the user interface in local mode, using remote heating/cooling contacts, or with a network command (HC_SEL) if the unit is in CCN mode. The outdoor temperature determines the operation if the unit is in automatic heating/cooling/standby changeover mode.
When is the evaporator water pump turned on?
The evaporator water pump is turned on when this option is configured, and when the unit is in one of the on modes or in delay mode. The pump will run for at least one minute before the first compressor starts.
When is the evaporator water pump turned off?
The pump is kept running for 20 seconds after the unit goes to stop mode. It is turned off if the unit is shut down due to an alarm unless the fault is a frost protection error.
What is the pump reversing function?
If two pumps are controlled and the reversing function is selected, the control tries to limit the pump run time difference to the configured pump change-over delay. If this delay has elapsed, the pump reversing function is activated, when the unit is running. During the reversing function both pumps run together for two seconds.
What happens if a pump fails?
If a pump has failed and a secondary pump is available, the unit is stopped and started again with this pump.
How does the control automatically start the pump when the unit is off?
The control automatically starts the pump each day at 14:00 hours for 2 seconds when the unit is off. If the unit is fitted with two pumps, the first pump is started on odd days and the second pump is started on even days.
What is the purpose of the control interlock contact?
The control interlock contact checks the status of a loop (water flow switch and customer safety loop) and prevents the unit from starting if it is open when the delay at start-up has expired. An open contact leads to an alarm shut-down if the unit is running.
When is the evaporator antifreeze protection activated?
The heater for the evaporator and water pump cycling can be energized to protect the evaporator if it can be damaged by freezing when the unit is shut down for a long time at low outdoor temperature.
What is the control point?
The control point represents the water temperature that the unit must produce. The inlet water is controlled by default, but the outlet water can also be controlled.
What is an active setpoint?
Two setpoints can be selected as active in cooling mode and three in heating mode. Usually, the second cooling setpoint is used for unoccupied periods or for ice storage, and the second heating setpoint is used for unoccupied periods and the third is used for holiday periods.
How is the active setpoint selected?
Depending on the current operations, the active setpoint can be selected by choosing the item in the Information menu, with the user’s volt-free contacts, with network commands or with the setpoint timer program (schedule 2).
How does local setpoint selection work?
If the unit is in local operating type, item #12 of the Information menu permits selection of the active setpoint.
How do control contacts affect setpoint selection?
The status of control contacts 5 and 6 (dual-circuit units only) and control contact 3 (single-circuit units only) are only active if the unit is in remote control operating type.
What is the purpose of the Contol contact 3 selection?
This selection, only used for single-circuit units, indicates if contact 3 is used for dual setpoint control or for demand limit control.
How does Schedule 2 affect the active setpoint?
The Schedule 2 status determines the setpoint that is active for occupied, unoccupied, or holiday periods.
What does reset mean in relation to the setpoint?
Reset means that the active setpoint is modified so that less machine capacity is required. The source of the reset can be configured in the User 1 configuration: it can be provided either by the outdoor temperature or by the return water temperature.
What are the three parameters of the linear reset function?
The three parameters are: a reference at which reset is zero, a reference at which reset is maximum, and the maximum reset value.
What is demand limit?
Demand limit is used to restrict the unit’s electricity consumption by limiting the capacity of the unit using user-controlled volt-free contacts.
How does demand limit work?
The capacity of the unit cannot exceed the demand limit setpoint activated by the position of the contacts. The demand limit is active in all operating types and can also be controlled directly with CCN commands.
What is the night mode?
The night mode is defined by a start and end time. During the night period, the fan runs at low speed, if permitted. The user can also reduce the unit capacity but a minimum capacity value can be configured.
How does capacity control work?
This function adjusts the number of active compressors to keep the heat exchanger water temperature at its setpoint. Compressors are started and stopped in a sequence designed to equalize the number of start-ups.
How is condensing pressure controlled?
Condensing pressure control is automatically ensured by a two-speed fan and can also be ensured by an additional fan on each circuit.
When is defrost activated?
Defrost is activated, when the unit is in heating mode, in order to reduce frost build-up on the air heat exchanger. The defrost cycle can only be applied to one circuit at a time.
What happens during the defrost cycle?
During the defrost cycle the fans of that circuit are stopped, and the four-way refrigerant valve is reversed, forcing the circuit to cooling mode.
What does the condensate heater do?
A condensate heater prevents ice formation at the bottom of the heat exchangers, if the defrost cycles are taking place at low outdoor temperature.
When are the electric heating stages activated?
The electric heating stages are activated to complement the heating capacity when the unit uses 100% of the available heating capacity, or the unit is limited by a protection mode, and the outdoor temperature is below a configured threshold, and the unit demand limit is not active.
What is the safety stage for electric heating?
The user may configure the last available electric heating stages as a safety stage, in which case the safety stage is only activated in addition to the other stages if there is a machine fault, preventing the use of the heating capacity.
When is the boiler output activated?
The boiler output is activated when the unit is in heating mode, but a fault prevents the use of the heat pump capacity, or the unit works at a very low outdoor temperature, making the heat pump capacity insufficient.
How does a master/slave assembly operate?
Two units can be linked to produce a master/slave assembly. All parameters required for the master/slave function must be configured through the Service configuration menu. All control commands are handled by the master unit and transmitted automatically to the slave unit.
How do you start/stop a master/slave assembly?
To start the assembly, validate the Master operating type (MASt) on the master unit. To stop the master/slave assembly, select Local Off (LOFF) on the master unit or use the remote volt-free contacts if the unit has been configured for remote control.
What is the function of lead and follower?
One of the functions of the master unit may be the designation, whether the master or slave is to be the lead machine or the follower. The roles will be reversed when the difference in running hours between the two units exceeds a configurable value.
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