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Water Flow • Verify that the pool filter is clean to provide good flow. • Verify that valves are properly positioned to allow adequate water flow through the unit. Time Clock Adjustment Verify that the time clock is set to permit the unit to run long enough to heat properly. Fault Code Meaning of Code OFF The desired programmed temperature point is lower than 60°F (15°C). LP ! LP3 Shortage of refrigerant gas in the unit or faulty low pressure control. The unit will show (LP3) after 3 LP faults and shuts down the unit and pool pump for protection. If this occurs, you should call for service. HP ! HP6 Low water flow in the unit or faulty high pressure control. Check water flow/backwash. The unit will show (HP6) after 6 HP faults. This will stop the unit for protection. FLo ! FL3 Possible causes: • The filter is in backwash position. • The filter pump is stopped. • The filter is dirty. • Shortage of water to pool pump. • FIL parameter must be set to activate pool pump. • Water pressure switch must be adjusted or it is broken. • The unit is in the protection mode and will show (FL3), press any key to restart the unit. FL3 code will stop the unit and pool pump. FS Unit is in the defrosting cycle. (The fan works but the compressor is stopped.) -Keypad is pressing down on both buttons. Replace keypad. Table A: Control Board Fault Codes 11 Plumbing Diagrams WATER IN (FROM POOL OR SPA) FILTER CHECK VALVE CHEMICAL INTRODUCTION WATER OUT (TO POOL OR SPA) Fig. 4: For systems with pumps of less than 2 HP (under 80 gpm), no external bypass is required. Connections are 2-inch unions. Plumb the heat pump pool heater AFTER the filter and BEFORE any chlorinators. 12 WATER IN (FROM POOL OR SPA) FILTER CHECK VALVE CHEMICAL INTRODUCTION WATER OUT (TO POOL OR SPA) Fig. 5: For systems with pumps of 2 HP or greater (over 80 gpm), an external bypass is required. Adjust the bypass valve to divert a minimum of 40 gpm through the heat pump pool heater. Connections are 2-inch unions. Plumb the heat pump pool heater AFTER the filter and BEFORE any chlorinators. 13 Fig. 6: Pool Piping for Heat Pump Pool Heater and Gas Pool Heater 14 Fig.7:PoolPipingforHeatPumpPoolHeaters,Multiple,Primary/SecondaryUNITSUNITSUNITSUNITSUNITSUNITS Wiring Diagram 220/240V Single-Phase 16 Wiring Diagram 200/220V Three-Phase 17 18 Wiring Diagram 380/420V Three-Phase Installing a Remote Control Device Wiring For a 2-wire control, use the TOTAL and COMMON connections on the heat pump pool heater wiring block. For a 3-wire control, use the COMMON, SPA and POOL connections on the heat pump pool heater wiring block. Heater Settings 1. Make sure the heater is disabled on the remote control device. Then, push the SET key until POL is displayed. Push the DOWN arrow key until OFF is displayed. Wait until a temperature is displayed before beginning the next step. 2. Push the SET key until SPA is displayed, then push the UP arrow to 104°F (40°C). Wait until a temperature is displayed before beginning the next step. 3. Push the SET key until P_S is displayed, then push the DOWN arrow until POL is displayed. Wait until a temperature is displayed before beginning the next step. 4. Finally, enable the heater on the remote control device. When there is a call for heat, the heater display will show SPA. When the heater is disabled, the display will sh...

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