Dimplex WI 40CG, Installation And Operating Instructions Manual

Page: 7 / 36

7
INSTALLATION
It must be ensured that the the power supply to
the terminals of the well pump will not be turned
off by the tariff contactor to make sure that the
cutoff delay of the well pump remains effe-
ctive.The motor protector installed by the client
must be adjusted according to the data
specified by the pump manufacturer. The
terminals for the power supply to the well pump
are X1-L11/L21/L31.
Control voltage
The basic control unit is powered by the heat
pump control via the control cable. A separate
cable to the basic control unit is not required.
Connection between the basic control unit and
the terminal box of the heat pump
The connection between the terminal box of the
heat pump and the basic control unit as well as
between the brine pump and the basic control
unit must be provided by the client.
Select the cable cross section according to the
power consumption of the heat pump (see
technical specifications) and the power con-
sumption of the used brine circulating pump.
Run the power cables in the existing plastic
tubing.
Terminals of the condenser:
X1-1/2/3/PE
X1-4/5/6/PE
Terminals of the well pump:
X1-7/8/9/PE
7.3 Connection to power supply
All components needed for connecting the
electric supply to the heat pump are located in
the basic control unit. Mount this unit to a
smooth wall surface of the building. A heat
pump control is necessary for controlling these
components. The wiring of the descrete compo-
nents contained in the basic control unit and in
the heat pump control must be provided by the
client (plug connectors).
Power supply for the basic control unit
A breaker controlling all poles with at least 3
mm contact gap (e.g. EVU blocking contactor,
power contactor) and a three pole automatic
circuit breaker separating simultaneously all
external leads must be provided in the power
feed to the basic control unit. Select the wiring
cross section according to the power consump-
tion of the heat pump, the technical power
connecting requirements stipulated by the
respective power provider and the require-
ments of VDE 0100. The power consumption of
the heat pump is specified in the technical
documentation. The terminals (X1-L1/L2/L3 at
the circuit breaker) are rated for a maximum wire
gauge of 16 mm².
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