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3.INSTALLATION AND CONNECTION
3.5 Swimming Pool Heat Pumps Electrical Wiring
NOTE: Although the unit heat exchanger is electrically isolated from the rest of the unit, it simply
prevents the flow of electricity to or from the pool water. Grounding the unit is still required to protect
you against short circuits inside the unit. Bonding is also required.
The unit has a separate molded-in junction box with a standard electrical conduit nipple already in
place. Just remove the screws and the front panel, feed your supply lines in through the conduit nipple
and wire-nut the electric supply wires to the three connections already in the junction box (four
connections if three phase). To complete electrical hookup, connect Heat Pump by electrical conduit,
UF cable or other suitable means as specified (as permitted by local electrical authorities) to a
dedicated AC power supply branch circuit equipped with the proper circuit breaker, disconnect or time
delay fuse protection.
Disconnect - A disconnect means (circuit breaker , fused or un-fused switch) should be located within
sight of and readily accessible from the unit, This is common practice on commercial and residential air
conditioners and heat pumps. It prevents remotely-energizing unattended equipment and permits
turning off power at the unit while the unit is being serviced.
3.6 Initial startup of the Unit
NOTE- In order for the unit to heat the pool or spa, the filter pump must be running to circulate water
through the heat exchanger.
Start up Procedure - After installation is completed, you should follow these steps:
1. Turn on your filter pump. Check for water leaks and verify flow to and from the pool.
2. Turn on the electrical power supply to the unit, then press the key ON/OFF of wire controller, It
should start in several seconds.
3. After running a few minutes make sure the air leaving the top(side) of the unit is cooler(Between 5-10 ℃)
4. With the unit operating turn the filter pump off. The unit should also turn off automatically,
5. Allow the unit and pool pump to run 24 hours per day until desired pool water emperature is reached.
When the water-in temperature reach setting, The unit just shuts off. The unit will now automatically
restart (as long as your pool pump is running)when the pool temperature drops more than 2℃below set
temperature.
Time Delay- The unit is equipped with a 3 minute built-in solid state restart delay included to protect
control circuit components and to eliminate restart cycling and contactor chatter. This time delay will
automatically restart the unit approximately 3 minutes after each control circuit interruption. Even a brief
power interruption will activate the solid state 3 minute restart delay and prevent the unit from starting
until the 5 minute countdown is completed. Power interruptions during the delay period will have no
effect on the 3 minute countdown.
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