Connections
Caution
To prevent interference, unscreened commu-
nication and/or sensor cables to external con-
nections must not be laid closer than 20 cm
from high voltage cables.
POWER CONNECTION
LEK
Data
Serie.nr.
Art.nr. 711453
OUT
I
N
Incoming supply
Connection
Incoming supply cable is enclosed and factory connected
to terminal block X1. Outside the heat pump there is
approx. 1.8 m of cable available.
At installation, install the screwed connection on the
rear of the heat pump. The part of the screwed joint that
tensions the cable must be tightened to a tightening
torque above 3.5Nm.
25Chapter 5 | Electrical connectionsNIBE F2120
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