66
Opening the HPMU electronics module
Fig. 50
Opening the EHCU electronics module
Fig. 51
Indoor unit: Routing cables to the terminal area
Danger
Damaged wiring insulation can lead to serious
injury from electrical current and result in appli-
ance damage.
Route cables so that they cannot touch very hot,
vibrating or sharp-edged components.
Danger
Incorrect wiring can lead to serious injury from
electrical current and result in appliance dam-
age.
Take the following measures to prevent wires
drifting into the adjacent voltage area:
■
Route extra low voltage (ELV) leads < 42 V
separately from cables > 42 V/230 V~/400 V~.
Secure with cable ties.
■
Strip as little of the insulation as possible,
directly before the terminals. Bundle the
cables close to the corresponding terminals.
■
If 2 components are connected to the same
terminal, press both cores together in a single
wire ferrule.
Electrical connections
Electrical connection of the indoor unit (cont.)
6222080
Installation
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