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Assembly and installation 5
0020147164_04 aroTHERM Installation instructions 17
7. Make sure that the condensate drain pipe ends in a
gravel bed.
Note
The condensate drain pipe must not be
longer than 365 mm, otherwise it may freeze
over.
8. Route the condensate drain pipework with a downward
gradient.
5.4 Carrying out the electrical installation
30 mm max.
1
2
1 Connecting wires 2 Insulation
Danger!
Risk of death from electric shock as a res-
ult of an improper electrical connection!
An improper electrical connection may neg-
atively affect the operational safety of the
product and result in material damage or per-
sonal injury.
The electrical installation must be carried
out by a suitably qualified competent per-
son who is responsible for complying with
the existing standards and directives.
1. Only strip a maximum of 3 cm from the outer sheathing
of the flexible lines.
2. Secure the conductors in the connection terminals.
5.4.1 Establishing the power supply
The external mains connection cable must be earthed and
connected with the correct polarity and in accordance with
the valid regulations.
Check that the mains connection cable is connected cor-
rectly.
The cables that connect the product to the fuse box must:
Be suitable for fixed installation,
Be weatherproof,
Be equipped with a wire cross-section that is necessary
for the product performance.
Connect the product using a fixed connection and a parti-
tion with a contact opening of at least 3 mm (e.g. fuses or
power switches).
In order to meet the overvoltage category II requirements,
further fuse protection may be required.
To meet the overvoltage category III conditions, the parti-
tions must ensure a complete separation of the power sup-
ply.
5.4.2 Standard tariff
5.4.2.1 230 V connection
X4
X9
EBUS
X7
FLOOR H
X2
21
2
1
1 Mains connection terminal
in the product
2 Partition
Caution.
Risk of material damage due to high con-
nected voltage.
At mains voltages greater than 253 V, elec-
tronic components may be damaged.
Ensure that the rated voltage of the mains
is 230 V.
Connect the mains connection cable to the product's
power supply connection.
VWL
55/2
230 V
VWL
85/2
230 V
VWL
115/2
230 V
VWL
155/2
230 V
Power supply 1/N/PE
230 V
50 Hz
1/N/PE
230 V
50 Hz
1/N/PE
230 V
50 Hz
1/N/PE
230 V
50 Hz
Fuse 16 A -
type C
or D
16 A -
type C
or D
20 A -
type C
or D
20 A -
type C
or D
Recommended
cable dimension
3G x
2.5 mm²
3G x
2.5 mm²
3G x
2.5 mm²
3G x
2.5 mm²
To ensure that people are safe, install a separate 30 mA
residual-current-operated circuit-breaker for the heat
pump.
Guide the mains connection cable through the product's
cable duct (PEG screwed connection).
17


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