DOMETIC WAECO COOLAIR RT880 (01) PDF MANUAL

DOMETIC WAECO COOLAIR RT880 (01) PDF SUMMARY:

What is the target group for the installation and configuration information in the manual?

The information is intended for qualified installation personnel familiar with the guidelines and safety precautions for installing lorry accessory parts.

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What should I do before installing the air conditioning roof unit?

Read the installation instructions completely. Always check whether any vehicle components could be damaged or their operation impaired by the unit. Consult the vehicle manufacturer to determine if the construction is designed for the static weight and loads of the parking cooler when the vehicle is in motion.

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What is the permissible roof inclination for the mounting surface?

The roof inclination of the mounting surface may not exceed 8° in the direction of travel.

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What should I do with the assembly parts during installation?

The supplied assembly parts must not be modified during installation.

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What should I keep in mind regarding the ventilation slots (grill) during installation?

The ventilation slots (grill) may not be covered. Maintain a minimum distance of 10 cm from other attachment parts.

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How can I connect the unit to the battery?

You can connect the unit to the battery via the lorry’s terminal block or directly. A direct connection to the battery is preferred. Consult your vehicle manufacturer for the specifications of the terminal block.

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What guidelines should I observe when installing the system and making electrical connections?

Observe the guidelines from the body manufacturer.

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Who should install the air conditioning roof unit?

The air conditioning roof unit may only be installed by qualified personnel from a specialist company.

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What should I ensure before working on electrical components?

Make sure that all electrical components are electrically discharged before carrying out work on them.

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What are the different component designations for the RT880 and SP950T?

For RT880:

• Control pad
• Connection cable
• Room temperature sensor
• Earth
• Klickson (compressor)
• Compressor
• Condenser fan
• Vaporiser fan
• Earth
• 25 A fuse
• 2 A fuse
• 4 A fuse

For SP950T:

• Condensate pump
• Evaporator fan
• Operating circuit board
• Temperature sensor
• Level sensor
• Control unit
• 25 A fuse
• 4 A fuse vaporiser fan
• 4 A fuse condenser fan
• Condenser fan
• Compressor
• Klickson (compressor)

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What must I do before installing the air conditioning roof unit regarding the vehicle’s battery?

Before installing the air conditioning roof unit, all connections to the battery of the vehicle must be disconnected. Non-observance of this regulation can result in danger of electrocution.

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What are the steps for removing the sunroof?

1. Remove all screws and fixtures of the existing sunroof.
2. Take out the sunroof.
3. Remove the sealant around the opening, so that the surface is clean and free of grease.

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What should I do after installing the unit?

After installing the unit, the specified parameters of the unit software must be checked.

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What should I check regarding the vehicle’s roof before climbing onto it?

Check whether the roof of the vehicle is able to support the weight of a person before climbing onto it. Ask the vehicle manufacturer about the permitted roof loads.

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How do I prepare the unit for installation (RT880 only)?

1. Place the air conditioning roof unit on a work surface with the housing facing down.
2. Screw in the 8 self-threading M8 thread inserts in the blind holes marked with “1” using the supplied 1/4" bit.

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How do I attach the seal for the cab roof?

1. Stick the 2.5 m insulating tape (10 x 20 mm) to the cab roof, following the outline of the sunroof opening.
2. Provide the abutting edge and the top edge of the insulating tape with an unhardened plastic butyl sealing compound.

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How do I install the unit in the sunroof?

1. Drill out the existing holes on the roof opening to ∅ 10 mm.
2. Deburr the drill holes.
3. Protect the drill holes from corrosion.
4. Set the unit down centrally aligned and in the direction of travel on the sunroof opening.

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What should I ensure during preparatory work on the surfaces?

Secure the unit from falling down. Make sure that the work surface is clean and level to ensure that the unit is not damaged.

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What should I ensure when screwing in the thread insert?

Screw in the thread insert vertically. Do not exceed the screw torque of 10 Nm.

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What should I ensure regarding the adhesive surface for the seal?

Ensure that the adhesive surface for the seal between the unit and the cab roof is clean (free of dust, oil, etc.).

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How do I install the unit with spacer sleeves and washers?

1. Place the spacer sleeve L = 18 mm and (SP950T only) the washer 8.4 x 16 on the fastening drill holes.
2. Screw one hex screw M8 x 40 mm with a washer and spring washer in the 8 thread inserts on the bottom of the unit.

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What torque should I use to tighten the screws?

Tighten the screws with a torque of 8 Nm.

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How do I install the electrical supply lines?

1. Plug the connection cable into the socket of the parking cooler supply line.
2. Secure the connection cable with a cable tie, e.g. to the cab roof.

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What should I ensure regarding the air conditioning roof unit’s placement?

Make sure the air conditioning roof unit is centred perfectly. The seal must be applied continuously around the air conditioning roof unit after being placed on the roof of the vehicle. This is the only way to ensure a tight seal.

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What should I avoid regarding the specified torque?

Do not exceed the specified torque under any circumstances. This is the only way to ensure that the thread inserts are not torn out.

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Who should perform the electrical power supply?

The electrical power supply may only be performed by qualified personnel with specialist knowledge.

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What should I ensure before carrying out work on electrically operated components?

Make sure there is no voltage present on electrically operated components before carrying out work on them.

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What fuse should I fit to the connection to the vehicle’s power supply?

Fit a fuse of 30 amps to the connection to the vehicle’s power supply.

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What should I know about the battery’s capabilities?

The battery must be able to supply the required current and voltage.

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What are the next steps for connecting to the battery?

1. Lay the connection cable for the battery box in a protected place.
2. Trim the negative cable (black) to length if necessary and attach an appropriate ring terminal.
3. Connect the negative cable (black) directly to the negative terminal of the battery.
4. Attach the fuse holder in a suitable location.
5. Lay the positive cable (red) to the fuse holder and trim.
6. Trim the shorter connection cable from the fuse holder to the correct length and connect with a joint connector on the positive cable (red).
7. Insulate the connection cable with the joint connectors properly.
8. Trim the longer connection cable from the fuse holder if necessary and fit a suitable ring terminal.
9. Connect the longer connection cable from the fuse holder with the ring terminal directly to the positive terminal of the battery.

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What should I observe when installing supply lines to the condenser unit (SP950T only)?

• Also observe the installation instructions for the condenser unit.
• The maximum cable length between the evaporator and condenser unit is 4.20 m.
• When installing and bending supply lines, avoid narrow radii. Use a suitable round object as a bending aid. A radius which is too narrow will buckle the refrigerant line, and the parking cooler will be inoperable.

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What should I do with any supply line which is not needed?

Shorten any supply line which is not needed by bending a curve.

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How do I prevent water from entering between the rear wall of the truck and the clip?

Apply packing compound to prevent water entering between the rear wall of the truck and the clip.

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Where should I place the fuse holder?

Place the fuse holder no more than 0.3 m from the positive terminal of the battery.

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How should I fasten the supply lines to the rear wall of the truck?

1. Fasten the supply lines to the rear wall of the truck using the clips provided.
2. Insert the corrugated piping in the holder provided.
3. Put the cover on.

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How do I fasten the cover frame?

Fasten the cover frame to the cab roof (original fastening points) with the spacer sleeves and the original screws. The spacer sleeves keep the cover frame apart from the cab roof.

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What should I adapt before first starting up the unit?

Before you first start up the unit, the controls can be adapted to suit the installation conditions. This must be done by the person installing the unit.

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What parameters must be set at the control panel in configuration mode?

The following unit software parameters must be set at the control panel:

Menu level	Parameter	Meaning	Default setting
1	Set temperature	The unit starts at the temperature defined here.	20 °C (68 °F)
2	Low voltage cut-off	The battery monitor shuts down the unit at the voltage defined here.	Characteristic figure 4 = 22,8 V
3	Operating mode	The unit starts with the operating mode defined here.	0 = Automatic mode
4	Default settings	Parameters 1 – 3 can be reset to the default settings.	–
5	Temperature unit display	The temperature can be displayed in °C or °F.	°C

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How do I start and end configuration mode?

To start configuration mode: When using the ON/OFF button to switch on the unit, hold both buttons + and – pressed until the compressor LED flashes. To quit configuration mode: Press the ON/OFF button.

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How do I set the temperature in menu level 1?

1. Start configuration mode.
2. Press the Operating Mode button to change the parameters.
3. Use the + and – buttons to select the target value (in °C) at which the unit should start operation.
4. Press the Operating Mode button to confirm your entry.

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What happens if I make no entry on the control panel for 60 seconds?

If you make no entry on the control panel for 60 seconds, the unit quits configuration mode and shuts down.

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How do I set the low voltage cut-off in menu level 2?

1. Start configuration mode.
2. Press the + button once to switch to menu level 2.
3. Press the Operating Mode button to change the parameter.
4. Use the + and – buttons to set the value for low voltage shutdown. The characteristic figures at second and third place on the digital display represent the voltage (V) at which the unit is shut down.
5. Press the Operating Mode button to confirm your entry.

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What should I do when the battery monitor switches the device off?

When the battery monitor switches the device off, the battery only has part of its charging capacity. Avoid starting repeatedly or operating electrical consumers. Make sure that the battery is recharged. As soon as the required voltage is available again, the unit can be operated again.

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What are the low voltage shutdown values for different characteristic figures?

Characteristic figure	Low voltage shutdown	Characteristic figure	Low voltage shutdown
1	22.2	6	23.0
2	22.4	7	23.1
3	22.6	8	23.2
4	22.8	9	23.4
5	22.9	10	23.6

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How do I set the operating mode in menu level 3?

1. Start configuration mode.
2. Press the + button twice to switch to menu level 3.
3. Press the Operating Mode button to change the parameters.
4. Use the + and – buttons to set the mode with which the unit starts up.
5. Press the Operating Mode button to confirm your entry.

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What are the different operating modes and their characteristic figures?

Characteristic figure	Operating mode
0	Automatic mode
1	Operating mode 1
2	Operating mode 2
3	Operating mode 3

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How do I reset to the default setting in menu level 4?

1. Start configuration mode.
2. Press the + button three times to switch to menu level 4.
3. Press the Operating Mode button to reset the unit to the factory settings.
4. Press the + button.
5. Press the Operating Mode button to confirm your entry.

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How do I set the temperature unit display in menu level 5?

1. Start configuration mode.
2. Press the + button four times to switch to menu level 5.
3. Press the Operating Mode button to change the parameters.
4. Use the + and – buttons to select the temperature unit that the system should display.
5. Press the Operating Mode button to confirm your entry.

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What are the technical specifications for the CoolAir RT880 air conditioning roof unit?

• Item number: 9105305551
• Cooling capacity: 850 W
• Rated input voltage: 24 Vg
• Input voltage range: 22.5 Vg – 30 Vg
• Max. current consumption: 22 A
• Low voltage shutdown: Configurable
• Dimensions (L x B x H in mm): 635 x 830 x 166
• Weight: approx. 21 kg

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What are the technical specifications for the CoolAir SP950 parking cooler with SP950T roof evaporator unit?

• Item number: 9105305548
• Cooling capacity: 850 W
• Rated input voltage: 24 Vg
• Input voltage range: 22.5 Vg – 30 Vg
• Max. current consumption: 22 A
• Low voltage shutdown: Configurable
• Dimensions (L x B x H in mm): Evaporator unit: 577 x 779 x 75 mm, Condenser unit: 156 x 346 x 490 mm
• Weight: Evaporator unit: approx. 15 kg, Condenser unit: approx. 12 kg