0020326637_00 Installation and maintenance instructions
75
▶
To do this, follow the wiring diagram in the appendix of
the installation instructions for the indoor unit.
7.6
Removing the cover for the electrical
connections
A
2×1
B
1.
Note that the cover contains a safety-relevant seal
which must be effective in the case of a leak in the
refrigerant circuit.
2.
Remove the cover, as shown in the figure, without
damaging the circumferential seal.
7.7
Stripping the electrical wire
1.
If required, shorten the electrical wire.
-
+
N
L
PE
30 mm
≤
30 mm
≤
40 mm
≤
2.
Strip the electrical wire as shown in the figure. In doing
so, ensure that the insulation on the individual conduct-
ors is not damaged.
3.
To avoid short circuits resulting from loose individual
wires, fit conductor end sleeves on the stripped ends of
the conductors.
7.8
Establishing the power supply, 1~/230V
▶
Determine the type of connection:
Case
Connection type
Energy supply company lockout not
provided
Single power supply
Energy supply company lockout
provided, shutdown via connection
S21
Energy supply company lockout
provided, shutdown via partition
Dual power supply
7.8.1
1~/230V, single power supply
1.
If it is stipulated for the installation site, install one re-
sidual-current circuit breaker for the product.
N
L
1
2
3
4
5
1
2
L
N
L1
L2
L3
N
L
N
X211
X210
X200
4
2
3
1
2.
Install a disconnector for the product in the building, as
shown in the figure.
3.
Use one 3-pole power supply cable. Route this from
the building and through the wall duct to the product.
4.
Connect the power supply cable to connection
X200
in
the electronics box.
5.
Use the strain relief clamp to secure the power supply
cable in place.
7.8.2
1~/230V, dual power supply
1.
If it is stipulated for the installation site, install two re-
sidual-current circuit breakers for the product.
N
L
1
2
3
4
5
L1
L2
L3
N
X211
X210
X200
N
L
1
2
L
N
L
N
4
2
3
1
2.
Install a partition for the product in the building, as
shown in the figure.
3.
Install two disconnectors for the product in the building,
as shown in the figure.
4.
Use two 3-pole power supply cables. Route this from
the building and through the wall duct to the product.
5.
Connect the power supply cable (from the heat pump
electricity meter) to connection
X200
in the electronics
box.
6.
Remove the 2-pole bridge from the
X210
connection.
7.
Connect the power supply cable (from the household
electricity meter) to connection
X211
.
8.
Use the strain relief clamps to secure the power supply
cables in place.