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Accessories: Power connection
Installation
Power connection
Risk of electric shock .
Electric shock can cause serious injury . Ensure the cable you are about to connect is not live .
Follow all personnel safety guidelines outlined in the section titled Safety .
NOTICE
Risk of unit damage if laid horizontally .
Starting the unit immediately after it has been lying down may cause permanent damage to
the compressor . If the unit has been laid down (e .g ., during transport or assembly), allow at
least 1 hour before powering it on .
All electrical work must comply with the latest IEE regulations or local codes of practice, as
applicable .
The heat pump installation must adhere to EMC Directive 2014/30/EU .
Always disconnect the mains power supply before removing any access panels from the heat
pump .
The power supply to the heat pump must include the following protective devices:
• Fuses or motor-type circuit breakers (aM Fuse or MCB type C), rated as specified in the
data sheet . HRC fuses are recommended for use with fuses .
• An isolator that disconnects all poles must be installed within 2 meters of the heat pump
and in clear line of sight . This isolator should have a minimum air gap of 3mm when
switched off and be positioned out of children's reach .
• The heat pump must be properly earthed/grounded and equipped with a dedicated RCD
earth leakage protection device, which protects only the heat pump, in line with the rat-
ings specified in the data sheet .
To avoid voiding the warranty, the following operating limits must not be exceeded:
Single phase heat pumps
Three phase heat pumps
Cycle frequency (50Hz)
The available voltage at the heat pump must remain above the minimum required values,
even when the compressor starts .
DANGER
Voltage
Minimum
Maximum
207 V
253 V
360 V
440 V
47 .5 Hz
52 .5 Hz
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