6
1. Run (18-gage minimum) low-voltage wiring from controller to heat pump.
2. Locate “Controller Options” terminal block inside heat pump electrical controls enclosure
(See Figure-1 on Page-3).
3. Connect one conductor from external controller low-voltage heater control terminal: “COM/OFF,” to “Controller
Options” terminal “C” (See Figure-3).
4. Connect one conductor from external controller low-voltage heater control terminal: “LOW/POOL,” to
“Controller Options” terminal “D” (See Figure-3).
5. Connect one conductor from external controller low-voltage heater control terminal: “HIGH/SPA,” to “Controller
Options” terminal “E” (See Figure-3).
6. Set heat pump thermostat selector switch to OFF position.
NOTE: Thermie, Sun Power, and Sol Power model heat pumps do not use a thermostat selector switch.
On these models, do NOT set the “ON/OFF” switch to OFF; the heater will not operate with this switch in
the OFF position.
7. NOTE- Thermie, Sun Power, and Sol Power Models (only): Disconnect wire :”W24” (heating only models)
and wire: “W27” (Icebreaker (reversing) models) from terminal “C” of “Controller Options” terminal block.
8. The external controller-to-heater interface is now ready to test and operate.
Electromechanically-Controlled (Analog) Heat Pumps: 3-Wire Connection
FIGURE-3
3-WIRE
---------------------------------------------------------------------------------
Microprocessor-Controlled (Digital) Heat Pumps: 3-Wire Connection
FS-2 CONNECTION: REQUIRED METHOD FOR ALL DIGITAL HEAT PUMPS... ACTUALLY USES ONLY TWO (2) WIRES
Failure to heed the following may result in damage to equipment.
CAUTION!
Only non-powered circuits shall be connected to the microprocessor “FS-2” terminals; never connect outside
power sources to the microprocessor. Connection of energized wiring may damage the heat pump controls.
Damage to equipment, caused by incorrect wiring connections, is NOT covered under the equipment warranty.
WARNING!
Failure to heed the following may result in permanent injury or death.
— DISCONNECT ALL ELECTRICAL POWER PRIOR TO BEGINNING WORK —
Connections Between Heater and Controller
1. Run (18-gage minimum) low-voltage wiring to common (C) and spa connections (H) of external controller.
Third (POOL) wire from controller will not be required.
2. Route wires into low-voltage portion of heat pump electrical enclosure.
3. Using female spade connectors, connect wires at microprocessor FS2 connections
(See Figure-1A on Page-3).
CONTINUED ON NEXT PAGE
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