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4. Adjusting the bypass kit
Optimal operation of the heat pump occurs when the cooling gas pressure is 22 2 bar.
This pressure can be read on the pressure gauge next to the control heat pump panel. Under these conditions the water
flow through the unit is also optimal.
Note: Operation without a bypass or with improper bypass adjustment may result in sub-optimal heat pump
operation and possibly damage to the heat pump, which renders the warranty null and void.
Water Flow Switch:
It is equipped with a flow switch for protecting the HP unit running with adequate water flow rate .It will turn on when t
he pool pump runs and shut it off when the pump shuts off. If the pool water level higher than 1 m above or below the
heat
pump's automatic adjustment knob, your dealer may need to adjust its initial start-up.
Time delay - The heat pump has a built-in 3-minute start-up delay to protect the circuitry and avoid excessive contact
wear. The unit will restart automatically after this time delay expires. Even a brief power interruption will trigger this
time delay and prevent the unit from restarting immediately. Additional power interruptions during this delay period do
not affect the 3-minute duration of the delay.
Use the following procedure to adjust
the bypass:
fully open all three valves
slowly close valve 1 until the
water pressure is increased by
approximately 100 to 200 g
Close valve 3 approximately
half-way to adjust the gas
pressure in the cooling system
If the display shows "ON" or
error code EE03, close step
by step the valve 2, to
increase water flow and stop
when the code disappear.
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