To Next PageTo Next PageWhy Addison Air Conditioner heater cycling on automatic limit?
If your Addison Air Conditioner heater is cycling on automatic limit, check for obstructions to return air, loose or broken fan belt and clogged filters and/or evaporator coils. Test and, if necessary, replace the faulty temperature limit switch.
How to troubleshoot Addison PR Air Conditioner blower motor that does not run?
If the blower motor of your Addison Air Conditioner doesn't run, several factors could be at play. Start by checking if the damper limit switch is closed and operational; repair or replace it if necessary. See if the motor thermal overloads have tripped and reset them if needed. Replace any blown or missing fuses. Ensure an external power source is present by having the incoming power lines checked. If the motor itself is inoperative, consider repairing or replacing it.
Why does my Addison PR Air Conditioner compressor start but cut out on low pressure switch?
If the compressor starts but cuts out on the low-pressure switch in your Addison Air Conditioner, it could be due to several reasons. Check the sight glass and pressures to see if the unit is low on refrigerant. Inspect for restricted airflow caused by a dirty evaporator coil, dirty filters, closed dampers, an iced evaporator, or incorrect VFD settings. Also, look for restrictions in the liquid line by checking the head pressure and the pressure drop across the filter drier. Finally, verify the calibration of the low-pressure switch.
What does two flashes mean on my Addison PR Air Conditioner?
If your Addison Air Conditioner shows two flashes indicating flame with no call for heat, the gas valve may be faulty.
What causes element failure in Addison Air Conditioner?
If your Addison Air Conditioner experiences element failure, check the hardware for corroded hardware and/or loose connections.
What causes erratic fan operation in Addison PR Air Conditioner?
If your Addison Air Conditioner is experiencing erratic fan operation, the control may not be wired correctly. Additionally, the condenser coil may be dirty or blocked.
Why Addison PR Air Conditioner supply air temperature is too low?
If the supply air temperature from your Addison Air Conditioner is too low, it could be due to low airflow. Additionally, the return air temperature might be too low.
What causes inadequate wheel performance in Addison PR?
If your Addison Air Conditioner is experiencing inadequate wheel performance, check the wheel rotation speed to ensure it is correct. Also, worn wheel media or worn/out-of-place seals can cause this issue, so check the wheel integrity and seals, adjusting or replacing them as needed. Unanticipated entering air conditions may also be a factor, so compare the actual conditions to the design specifications. Finally, check the media for dirt and clean if necessary.
What to do if Addison PR Air Conditioner compressor starts but cuts out on high pressure switch?
If the compressor in your Addison Air Conditioner starts but then cuts out due to the high-pressure switch, consider these potential causes: the refrigerant may be overcharged, so check pressures and charge by subcooling; the condenser fan control may have an incorrect setting, so check the calibration of the low ambient control; the fan motor may be defective, so check it; the condenser coil inlet may be obstructed or dirty, so check the coil and inlet clearances, and for possible air re-circulation; there may be air or non-condensables in the system, so compare liquid refrigerant pressure with the saturated pressure; the high-pressure switch may be defective, so replace it; there may be a restriction in the discharge or liquid line, so check discharge and liquid line pressures, and check...
What causes suction pressure to be too low in Addison PR?
If the suction pressure is too low in your Addison Air Conditioner, it could be due to several reasons. Check pressures and subcooling to see if the unit is undercharged with refrigerant. Ensure the blower is not running backwards by interchanging any two wires connected to the motor. Inspect the expansion valve for defects or improper adjustment, checking superheat and adjusting the TXV as needed. A dirty filter can also cause this issue, so check the filter and evaporator coil. Too little airflow or low entering air temperature can be factors, so check airflow and entering air wet bulb conditions. Finally, look for any restrictions in the suction or liquid line.
Overview of the PR Series unit's functions and capabilities.
Procedures for inspecting the unit upon receipt and initial setup.
Information on handling and avoiding corrosive chemicals near the unit.
List of tools and materials needed for installation and start-up.
Specifies minimum distances from objects for service access and operation.
Guidelines for handling refrigerants according to national and local codes.
Requirements for fuel type and installation based on codes.
Standards for installing air conditioning and ventilation systems.
Codes applicable for installation in aircraft hangars.
Codes applicable for installation in garages.
Requirements for electrical connections and compliance with codes.
Requirements for venting optional gas furnaces according to codes.
Information on approved installations at high altitudes.
Procedures for safely moving and lifting the unit.
Steps to take before moving or lifting the unit for safety.
Guidelines for safely moving the unit using a forklift.
Instructions for safely lifting the unit using crane equipment.
Instructions for installing the unit on a roof curb.
Steps for assembling and installing the roof curb.
Procedure for mounting the unit onto the installed roof curb.
Instructions for mounting the unit on a ground pad.
Specifications for inlet ductwork size and air quality.
Specifications for return air ductwork size.
Specifications for discharge ductwork size.
Details on the R-410A refrigerant and POE oil used in the unit.
Lists common components and variations in refrigeration circuits.
Explains the operation of the energy conservation wheel module.
Overview of the 80% efficient self-contained duct gas furnace.
Requirements for gas piping and pressure compliance.
Overview of the self-contained duct electric heater.
Details safety systems and operating controls for electric heaters.
Electrical wiring and connection requirements for electric heaters.
Guidelines for all electrical wiring and connections, including grounding.
Requirements for external weather-tight disconnect switches.
Information on unit current draw requirements.
Instructions for connecting main power wiring.
Checks for voltage and phase unbalance and how to calculate it.
Table listing minimum 24-volt class 2 wire sizes for different runs.
Monitors line voltage and phase for system protection.
How the DPM functions when voltages are within parameters.
Using membrane buttons to change set-up criteria.
How unit functionality is achieved based on application.
Overview of different control options available for the unit.
Details on the factory-mounted ALC DDC controller.
DDC controls mounted by factory per customer specifications.
Connecting field-supplied DDC controls to a terminal strip.
Connecting thermostats to factory-wired terminal strips.
Ensuring installation and service comply with codes and manuals.
List of essential tools and supplies for unit start-up.
Checks for proper ductwork and electrical connections before start-up.
Important notes for the start-up technician.
Ensuring installation and service comply with codes and manuals.
General maintenance checks and follow-up on start-up procedures.
Cleaning and inspecting the unit's exterior.
Inspection and maintenance of supply and exhaust fan motors.
Checking condensing fan assemblies for free movement and tight hardware.
Cleaning evaporator and condenser coils, checking compressors.
Checking and cleaning condensate drain pans and drains.
Cleaning damper blades and checking linkages.
Checking wiring connections and heating elements.
Checking filters for dirt restriction and replacing as needed.
General| Brand | Addison |
|---|---|
| Model | PR Series |
| Category | Air Conditioner |
| Language | English |
