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Installation and maintenance instructions 0020326637_00
7.9
Establishing the power supply, 3~/400V
▶
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
7.9.1
3~/400V, single power supply
1.
If it is stipulated for the installation site, install one re-
sidual-current circuit breaker for the product.
N
L3
L2
L1
1
2
3
4
5
L1
L2
L3
N
X211
X210
X200
1
2
L
N
L
N
4
2
3
1
2.
Install a disconnector for the product in the building, as
shown in the figure.
3.
Use one 5-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.
7.9.2
3~/400V, dual power supply
1.
If it is stipulated for the installation site, install two re-
sidual-current circuit breakers for the product.
N
L3
L2
L1
N
L
1
2
3
4
5
L1
L2
L3
N
X211
X210
X200
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, as shown in
the figure.
4.
Use a 5-pole power supply cable (from the heat pump
electricity meter) and a 3-pole power supply cable
(from the household electricity meter). Route this from
the building and through the wall duct to the product.
5.
Connect the 5-pole power supply cable to connection
X200
in the electronics box.
6.
Remove the 2-pole bridge from the
X210
connection.
7.
Connect the 3-pole power supply cable to connection
X211
.
8.
Use the strain relief clamps to secure the power supply
cables in place.
7.10
Connecting the eBUS line
1.
Use a 2-pole eBUS line with a conductor cross-section
of at least 0.75 mm
²
. Route this from the building and
through the wall duct to the product.
S20
S21
BUS
eBUS
+
-
5
6
3
4
1
2
X206
2.
Connect the eBUS line to connection
X206, BUS
.
3.
Use the strain relief clamp to secure the eBUS line in
place.
7.11
Connecting a limit thermostat
1.
Use a 2-pole line with a conductor cross-section of
at least 0.75 mm
²
. Route this from the building and
through the wall duct to the product.
S20
S21
BUS
5
6
3
4
1
2
X206
2.
Remove the bridge from the
X206, S20
connection.
Connect the line here.
3.
Use the strain relief clamp to secure the line in place.
7.12
Connecting accessories
▶
Observe the wiring diagram in the appendix.
7.13
Installing the cover for the electrical
connections
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.
Secure the cover by lowering it into the stop on the
lower edge.
3.
Use two screws to secure the cover to the upper edge.
