Page 1: Table Of Contents
OWNER’S MANUAL Models: AC110, AC125, AC150 made from 2003 through 2010 Proudly Made in the USA support@aquacomfort.com www.aquacomfort.com/service-and-support/ (888) 475-7443 Manufacturing High Quality, High Efficiency Heat Pump Pool Heaters TABLE OF CONTENTS SAFETY CONSIDERATIONS INSPECTION GENERAL INFORMATION ALL IN-GROUND INSTALLATION MODELS WATER FLOW &...
Page 2: Safety Considerations
• Qualified personnel should perform installation, maintenance and service. • Make sure all field wiring conforms to the heater specifications and all national and local codes. • Disconnect all power sources before performing any maintenance or service to the heater. INSPECTION Immediately upon receipt, inspect cartons and their contents for damage due to transit.
Page 3 • When all the plumbing connections are complete, and ample drying time is allowed, run the filter pump and check the entire system for water leaks. • Make sure filter is clean and there are no obstructions in the filtering system. •...
Page 4: Electrical Connections
ELECTRICAL CONNECTIONS Field connections must comply with national and local codes. The work must be done by a qualified electrician. Heater must be permanently grounded and bonded. Bonding will drastically reduce the chances of electrolysis, “Electrical Corrosion.” Use copper conductors only. Disconnect all power sources before performing any work on unit.
Page 5: Modes Of Operation
MODES OF OPERATION To Change Between Pool and Spa Set Points Automatically: This change can be done automatically as the water flow is either directed to the pool or spa. The use of an external water pressure switch in the spa piping IS necessary. A two-wire control circuit must be connected from the water pressure switch to terminals 18 and 19 on the electronic control board.
Page 7: Electronic Control Panel
ELECTRONIC CONTROL PANEL DIGITAL DISPLAY Displays the actual pool/spa POOL LED indicates pool mode. temperature. In select mode HEAT ON LED indicates heat is on. displays other parameters. SPA LED indicates spa mode. INCREASE KEY SELECT/SERVICE KEY Used to select mode of operation and enter service DECREASE KEY mode.
Page 8: Chemical Use
CHEMICAL USE Water quality must be checked regularly and maintained within recommended limits at all times. Failure to maintain the proper water quality will greatly reduce the life of your heater. • Never add chemicals directly into skimmer. • Automatic chlorinators must be piped downstream from the heater. A check valve must be installed between the chlorinator and heater to prevent raw chlorine from draining back into the heater.
Page 9: Start-Up
START-UP Before proceeding with this section make certain all plumbing connections are airtight and leak free. Flow rates should not exceed 70 GPM maximum. Use of an external bypass is necessary at 70 GPM and above. Minimum flow rate is 20 GPM. •...
Page 10: Maintenance
Defrost Cycle The heat pump pool heater has automatic defrost. When the outdoor temperature drops below 40 °F, frost may start to form on the evaporator coil. Frost buildup will be heaviest on humid days when the temperature is between 35-40°. During the defrost cycle, the display will show “FS” to indicate that the unit is defrosting. During this time the fan is running and the compressor is inactive.
Page 11: Troubleshooting Checklist
• Turn thermostat settings to OFF. Turn filter pump to OFF. • Turn power to unit OFF (i.e. pull disconnect or turn circuit breaker OFF). • Disconnect water inlet and outlet unions at the back of the unit. Be careful not to lose rubber o-rings. •...
Page 12: Calling For Service
LLC. A factory representative will assist you or your serviceman over the phone. SERVICE PERFORMED WITHIN THE WARRANTY PERIOD MUST BE APPROVED BY AQUA COMFORT TECHNOLOGIES, LLC PRIOR TO SERVICE BEING PERFORMED AND ONLY BY AN AQUA COMFORT TECHNOLOGIES, LLC AUTHORIZED TECHNICIAN. SEE WARRANTY FOR DETAILS.

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