fluidra 74139 Manuel D'instructions page 18

3.5 Typical arrangement
Note: This arrangement is only an illustrative example.
3.6 Adjusting the bypass
To pool
Out
How to get the optimum water flow.
Please turn on the heat pump under heating function, firstly close the by-pass then open it slowly to start the
heat pump (the machine can't start running when the water flow is insufficient)
Continue to adjust the by-pass, at the meantime to check the Inlet water temp. & Outlet water temp., it will
be optimum when the difference is around 2 degree.
In
Heat Pump
Please take below steps to adjust
the by-pass:
1. Valve 1 wide open. Valve 2 &
valve 3 closed.
2. Slowly open valve 2 & valve 3 by
half, then close the valve 1 slowly
From pool
to increase the water flow to valve 2
& valve 3.
3. If it shows 'ON' or 'EE3' on
display, it means the water flow into
heat pump is not enough, then you
need adjust the valves to increase
the water flow through the heat
pump.
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