Wiring - Impromat Klima ATW-MINI Technical Manual

Air to water heat pump atw-mini
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16. WIRING

Revision and service of wiring can only be performed by authorized personnel.
Professional wiring must be confirmed on the warranty list. Wiring must comply with valid local and national
electrotechnic standards. Inspection of the heat pump wiring must be performed after the installation of the
heating system and after watering.
During any manipulation with IU or OU wiring, the appliance must be disconnected from the
electrical network. After disconnecting, wait for at least 5 minutes until the el. circuit
condensers are discharged.
Connection of electric circuit. Wiring specifications.
Model
Mini 5
1x6mm
Mini 8,11,14,16(HP)
1(3)x6mm
* See the technical data for the relevant outdoor unit.
Important!
Outdoor unit conductor
colours must conform with
indoor unit terminal
descriptions.
Connecting a conductor to
an incorrect
terminal
damage the communication
module!
Indoor unit
Power supply cable size*
Max.
Min.
1x4mm
1x(3)x4mm
black white
XL XN XC
Connecting
cable
Fuse
4A
black white
Transmission cable size*
Max.
Min.
3x1,5mm
3x0,5mm
3x1,5mm
3x0,5mm
Outdoor
red
unit terminal
2
4x 1,5 Cu mm
N
red
25
Outdoor unit
Terminal
power supply
PE

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