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What are the general safety instructions for the ADVENT AIR ACM150SP?
This manual must be read and understood before installation, adjustment, service, or maintenance is performed. The ADVENT AIR ACM150SP unit must be installed by a qualified service technician. Modification of this product can be extremely hazardous and could result in personal injury or property damage. Always read and follow all safety information, installation guides, recommended precautions, and safe operating instructions.
What is the ADVENT AIR ACM150SP air conditioner designed for?
The ADVENT AIR ACM150SP air conditioner / heat pump is designed for the following specific applications:
1. Installation on a recreational vehicle (RV).
2. Mounting on the roof of a recreational vehicle.
3. Roof construction with rafters/joists on 16 inch centers.
4. Roofs that are 2.5 inches to 5.5 inches thick.
How can I improve the efficiency of my ADVENT AIR ACM150SP?
The efficiency of the ADVENT AIR ACM150SP is affected by conditions inside and outside the RV. To reduce the heat gain in your RV and allow the unit to function with greater efficiency, follow these suggestions:
1. Select a shaded area to park your RV.
2. Close windows and utilize the blinds and/or curtains.
3. Keep doors shut.
4. Avoid using appliances that produce heat.
Starting the cooling or heating process early in the day will greatly improve the unit’s ability to maintain the desired temperature. In high temperature and high humidity environments, the unit should be set in Cool mode with the Fan Speed in the high position for optimal cooling efficiency.
What should I know about condensation when using the ADVENT AIR ACM150SP?
Air contains moisture, which tends to condense on cold surfaces. When air enters the RV, condensed moisture may appear on the ceiling, windows, metal parts, etc. The ADVENT AIR ACM150SP removes this moisture from the air during its cooling operation. To minimize condensation, keep doors and windows closed when the air conditioner/heat pump is operating.
What should I do if my ADVENT AIR ACM150SP is not operating?
If your ADVENT AIR ACM150SP unit does not operate, perform the following checks:
1. If the RV is connected to a generator, check to be sure the generator is running and producing the proper power.
2. If the RV is connected to shore power, check to be sure the supply breaker is sized properly to run the air conditioner / heat pump load and that it is plugged into the power supply.
3. Check your fuse or circuit breaker to see if it is off.
4. After performing the above checks, this unit must be serviced by qualified service personnel only.
How do I clean the air filter on the ADVENT AIR ACM150SP?
Remove the return air filter after every 30 days of use. It is located above the removable air intake grill. Wash the filter with soap and warm water, let it dry, and then reinstall it.
Note: Never run the ADVENT AIR ACM150SP without the air filter back in place. Doing so may plug the indoor coil with dirt and substantially affect the performance of the unit.
How do I clean the Air Return Grill on my ADVENT AIR ACM150SP?
Clean the panel and control panel with a soft cloth dampened with a mild detergent. Never use furniture polish or harsh chemicals.
What should I do if frost forms on the cooling coil of my ADVENT AIR ACM150SP?
Under certain conditions, frost may form on the indoor coil. If this occurs, inspect the filter and clean it if dirty. Make sure the air louvers are not obstructed. Air conditioners have a greater tendency to frost when the outside temperature is relatively low. This may be prevented by adjusting the thermostat control to a warmer setting.
What are the electrical and performance specifications for the ADVENT AIR ACM150SP?
| Model | Rated BTU Output | Electrical Rating | Compressor Rated Amperage | Locked Rotor Amperage | Fan Amperage | Fan Locked Rotor Amperage | Air Flow (High Speed) (cfm) | Refrigerant (R410a) (oz) | Min. wire size | AC circuit protection (User supplied) | Unit dimensions (in) | Weight (lbs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ACM150SP | 15000 | 115VAC 60Hz 1PH | 12.4 | 61 | 2.6 | 5.8 | 500 | 16.9 | 12AWG copper up to 24′ | 20 Amp | 31×24.9×12.9 | 68 |
Notes:
1. Consult the National Electric Code for proper sizing for wire lengths over 24 ft.
2. When sizing the generator, the total power usage of your recreational vehicle must be considered. Keep in mind generators lose power at high altitudes and from lack of maintenance.
3. CIRCUIT PROTECTION: Time Delay Fuse or HACR Circuit Breakers Required.
What do the thermostat error codes for the ADVENT AIR ACM150SP mean?
| DISPLAY | CAUSE | SOLUTION |
|---|---|---|
| Er | Dip Switch position incorrect | Set Dip switches to correct position on back of Thermostat |
| E1 | Room Temp Sensor Defect | Replace Thermostat |
| E2 | Indoor Coil Temp Sensor Defect | Check wire connections and ensure sensor is properly installed. Replace Sensor |
| E3 | Outdoor Coil Temp Sensor Defect | Check wire connections and ensure sensor is properly installed. Replace Sensor |
| E4 | Outdoor Ambient Temp Sensor Defect | Check wire connections and ensure sensor is properly installed. Replace Sensor |
| E5 | Communication Defect with T-Stat and Relay Kit | Check wire connections at T-Stat and relay kit |
| Lo | DC voltage is below 10 Volts(+/-0.5V) | Check wire connections and ensure DC voltage is above 10 volts |
| dF | Indoor or Outdoor coil is frozen | System is deicing and can not be used for 35 minutes and will restart automatically |
What are the thermostat DIP switch settings for the ADVENT AIR ACM150SP?
The thermostat DIP switches control the available functions of your system. If the switches are not set properly, the LCD will display “Er”. The default setting is 1 OFF, 2 OFF, 3 ON.
| SW1 | SW2 | SW3 | Mode Cycle |
|---|---|---|---|
| OFF | OFF | OFF | FAN – COOL |
| ON | OFF | OFF | FAN – COOL – HEAT STRIP |
| OFF | ON | OFF | FAN – COOL – HEAT PUMP |
| OFF | OFF | ON | FAN – COOL – FURNACE |
| ON | ON | OFF | Configuration not possible |
| OFF | ON | ON | FAN – COOL – HEAT PUMP – FURNACE |
| ON | OFF | ON | FAN – COOL – HEAT STRIP – FURNACE |
| ON | ON | ON | Configuration not possible |
Dip Switch Functions:
Dip Switch 1:
Off: Heat Strip function disable
On: Heat Strip function enable
Dip Switch 2:
Off: Heat Pump function disable
On: Heat Pump function enable
Dip Switch 3:
Off: Furnace function disable
On: Furnace function enable
How do I install the anti-freezing sensor for the ADVENT AIR ACM150SP?
Follow these steps to install the anti-freezing sensor:
1. Before template installation, with the upper unit placed over the opening, the freeze sensor should be installed in the evaporator coil.
2. Remove the sensor from the parts bag.
3. Use a flat screw driver to create a 1/4″ gap between 2 fins (between the 2nd tube and 3rd tube) to accept the sensor.
4. Slowly press the fork and sensor into the gap created in step 3, until the clip locks onto the 3rd coil.
5. Install the template and electrical box on the ceiling.
6. Connect the sensor.
CAUTION:
1. Make sure the sensor clip is secured to the copper tube.
2. Don’t pull the wire to avoid damage to the sensor.
What are the installation requirements for the Air Return Grill (ACRG15) on my ADVENT AIR ACM150SP?
The Air Return Grill (ACRG15) is designed for application in systems that utilize field fabricated (OEM supplied) air ducting. The ducting must be routed through the ceiling cavity (between the interior ceiling and roof).
(ROOF THICKNESS MUST BE AT LEAST 2.5″)
1. The ACRG must be installed under the roof opening. The ACRG bolts to the underside of the roof unit. Compression of the framed ceiling cavity between the roof unit and the ACRG is what holds both components in place.
2. Ceiling cavity depth (the measurement from the ceiling to the roof): 5.5″ – Maximum, 2.5″ – Minimum.
3. The 115 VAC service for the air conditioner / heat pump must be routed into the ACRG. 12VDC should be routed to the digital control box. If a LP furnace is being used, a control wire must be connected from the furnace to the digital control box for proper operation.
What are the requirements for supply ducting and registers for the ADVENT AIR ACM150SP?
A. Ducting
1. The field fabricated supply ducting must attach to both sides of the ACRG. A minimum of two ducts are required, with one duct attached to each side of the plenum.
2. Each duct must have a minimum height of 1-1/2″. Maximum height cannot exceed 4″. Total free area inside each duct must be no less than 10 square inches.
NOTE: To decrease restriction and increase airflow, the ducting should make as few bends and turns as possible. When corners or turns are required, we recommend that you add radii to the corners to keep airflow at a airflow and system performance.
3. All field fabricated air supply ducting must be insulated to avoid condensation and prevent cooling / heating loss.
B. Registers
Air registers should have a minimum discharge area of 48 square inches per system, or 24 square inches per duct run.
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