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Dimplex WPM Econ5Plus Manual

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EN-6 452114.66.98 FD 9506
WPM Econ5Plus - WPM Econ5R
English
4 Electrical installation of the heat pump
4.1 Electricla installation
1) The electric supply cable for the output section of the heat
pump (up to 5-core) is fed from the electricity meter of the
heat pump via the utility blocking contactor (if required) into
the heat pump (see heat pump operating instructions).
An all-pole disconnecting device with a contact gap of at
least 3 mm (e.g. utility blocking contactor or power
contactor) and an all-pole circuit breaker with common
tripping for all external conductors must be installed in the
power supply for the heat pump (tripping current and
characteristic in compliance with the device information).
2) The three-core electric supply cable for the heat pump
manager (N1 heating controller) is fed into the heat pump
(device with integrated controller) or to the future mounting
location of the heat pump manager (HPM).
The (L/N/PE~230 V, 50 Hz) supply cable for the heat pump
manager must have a constant voltage. For this reason, it
should be tapped upstream from the utility blocking
contactor or be connected to the household current,
because otherwise important protection functions could be
lost during a utility block.
3) The utility blocking contactor (K22) with 3 main contacts (1/
3/5 // 2/4/6) and an auxiliary contact (NO contact 13/14)
should be dimensioned according to the heat pump output
and must be supplied by the customer.
The NO contact of the utility blocking contactor (13/14) is
looped from terminal strip X3/G to connector terminal N1-J5/
ID3. CAUTION! Extra-low voltage!
4) The contactor (K20) for the immersion heater (E10) of mono
energy systems (HG2) should be dimensioned according to
the radiator output and must be supplied by the customer. It
is controlled (230 V AC) by the heat pump manager via
terminals X1/N and N1-X2/K20.
5) The contactor (K21) for the flange heater (E9) in the hot
water cylinder should be dimensioned according to the
radiator output and must be supplied by the customer. It is
controlled (230 V AC) by the heat pump manager via
terminals X2/N and N1-X2/K21.
6) The contactors mentioned in points 3, 4 and 5 are installed
in the electrical distribution system. The mains cables for the
heating elements should be dimensioned and protected
according to DIN VDE 0100.
7) The heat circulating pump (M13) is connected to terminals
X2/N and N1-X2/M13.
8) The hot water loading pump (M18) is connected to terminals
X2/N and N1-X2/M18.
9) The return flow sensor is integrated into air-to-water heat
pumps for outdoor installation, and is connected to the heat
pump manager via the control line. The return flow sensor
must be installed in the immersion sleeve in the manifold
only when a dual differential pressureless manifold is used.
The single-core wires are then connected to terminals X3/
GND and X3/ R2.1. Bridge A-R2 (situated between X3/U2
and X3/1 when delivered) must then be moved to terminals
X3/1 and X3/2.
10) The external sensor (R1) is connected to terminals X3/GND
(ground) and N1-X3/R1.
11) The hot water sensor (R3) is installed in the hot water
cylinder and is connected to terminals X3/GND (ground) and
N1-X3/R3.
The control cable is essential for the operation of air-to-water heat pumps
for outdoor installation. The control cable and mains cable are to be
routed separately. It is not permissible for the customer to extend the
control cable.
If three-phase pumps are implemented, a power contactor can be
controlled via the 230 V output signal of the heat pump manager.
Sensor lines can be extended up to 40 m using 2 x 0.75 mm cables.
… 20 …


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