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3.2 Distance to the pool
Install the heat pump as close to the swimming pool as possible to minimize heat loss through the piping.
Normally, the pool heat pump is installed within a 7.5 meter radius of the pool. The greater the distance
from the pool, the greater the heat loss from the piping. If the piping is buried, heat loss will be minimal for
distances of up to 30 meters (15 meters to and from the pump = 30 meters total), unless the soil is wet or
every 5 ℃ temperature difference between the pool water and the soil surrounding the pipe, which
the water level is high. Heat loss per 30 meters can be roughly estimated at 0.6kw-hour (2000 BTU) for
translates to an operation time increase of 3-5％.
3.3 Connecting the by-pass
VALVE1 – Slightly closed
(water pressure increased from 10 to 20 bar)
VALVE2 – Completely open
VALVE3 – Half way open
Setting the valve of the by-pass:
1. Open all 3 valves entirely
2. Slightly close valve 1
3. Close valve 3 about half way to adjust the refrigerant pressure
3.4 Electrical wiring
Note: Verify the local power supply and the operating voltage of the heat pump. It is recommended to use
the included separate circuit breaker for the heat
pump, together with the proper wiring
characteristics (see wiring diagram). The current
to the heat pump should only be applied when
the filter pump is running. Further connect the
electrical supply to the junction box inside the
unit. All SQUARE heat pumps require single-
phase connection.
Grounding: The circuit breaker protects you
against electrical shock caused by a possible
short circuit inside the unit.
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