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SIK 11ME - SIK 16ME
7.5 Electrical connection
7.5.1 General
All electrical connection work must be carried out by a trained
electrician or a specialist for the specified tasks in accordance
with the
installation and operating instructions,
country-specific installation regulations (e.g. VDE 0100),
technical connection conditions of the energy suppliers and
supply grid operators (e.g. TAB) and
local conditions.
To ensure that the frost protection function of the heat pump
works properly, the heat pump manager must remain connected
to the power supply and the flow must be maintained through the
heat pump at all times.
The switching contacts of the output relay are interference-sup-
pressed. Therefore, depending on the internal resistance of the
measuring instrument, a voltage can also be measured when the
contacts are open. However, this will be much lower than the line
voltage.
Extra-low voltage is connected to controller terminals N1-J1 to
N1-J11; N1-J24 and terminal strip X2; X3. If, due to a wiring er-
ror, the line voltage is mistakenly connected to these terminals,
the heat pump manager will be destroyed.
7.5.2 Electrical installation
1)
The electric supply cable for the output section of the heat
pump (up to 3-core) are 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 for
supply voltage).
Connection of the mains cable to the control panel of the
heat pump via terminal X6: L/N//PE.
An all-pole disconnecting device with a contact gap of at
least 3 mm (e.g. utility blocking contactor or power contac-
tor) 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 com-
pliance with the device information).
2)
The three-core electric supply cable for the heat pump man-
ager (heating controller N1) is fed into the heat pump . Con-
nection of the control line to the control panel of the heat
pump via terminal X1: L/N/PE.
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 contac-
tor or be connected to the household current, as important
protection functions could otherwise be lost during a utility
block.
3)
The utility blocking contactor(K22) with main contacts and
an auxiliary contact should be dimensioned according to the
heat pump output and must be supplied by the customer.
The NO contact of the utility blocking contactor is looped
from terminal strip G/24 V AC to connector terminal 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 ter-
minals N and N1-J13/NO4.
EN-8
All manuals and user guides at all-guides.com
5)
6)
7)
8)
9)
10) The brine or well pump is connected to terminals N and N1-
11) The return sensor (R2) is integrated into heat pumps for in-
12) The external sensor (R1) is connected to terminals GND and
13) The domestic hot water sensor (R3) is included with the do-
452231.66.11 · FD 9208
The contactor (K21) for the flange heater (E9) in the hot
water cylinder should be dimensioned according to the radi-
ator output and must be supplied by the customer. It is con-
trolled (230 V AC) by the heat pump manager via terminals
N and N1-J16/NO 10.
The contactors mentioned above in points 3, 4 and 5 are in-
stalled in the electrical distribution system. he mains cable
for the installed pipe heater must be laid and secured in ac-
cordance with the valid standards and regulations.
All installed electric cables must have permanent wiring.
The heat circulating pump (M13) is connected to terminals N
and N1-J13/NO 5.
The DHW loading pump (M18) is connected to terminals N
and N1-J13/NO 6.
J13/NO 3.
door installation.
The heat pump manager is connected via the following ter-
minals: GND and N1-J2/B2.
N1-J2/B1.
mestic hot water cylinder and is connected to terminals X3/
GND and N1 - J2/B3.
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