Electrical Connection - Nibe ELK 42 Installateurhandbuch

Electrical connection

NOTE
All electrical connections must be carried out
by an authorised electrician.
Electrical installation and wiring must be carried
out in accordance with the stipulations in force.
The climate unit must not be powered when
installing ELK 42.
ELK 42 must be installed via a circuit breaker with a
minimum breaking gap of 3mm.
ELK 42 contains overheat protection and contactors for
external control of the three power stages 6, 12 and 24
kW. For best function the power should be binary con-
trolled, that is to say 6, 12, 18, 24, 30, 36 and 42 kW.
Electrical connection versions F1345
F1345 has different electrical connection versions de-
pending on when the heat pump was manufactured. To
check which electrical connection applies to your F1345,
check the designation "2.0" visible above the right hand
side of the terminal block as illustrated.
The electrical circuit diagram is at the end of this Installer
handbook.
F1345 without 2.0
Terminal block X2 in ELK 42 connects to the terminal
blocks X2-X4 in the heat pump as illustrated.
X2
ELK 42 | GB
X3 X4
Without thermostat, three active power steps
42 kW electric heater step active.
X2
X2
5 6 7 8
Heat pump
F1345
ELK 42
ELK
X1 PE L1 L2 L3
X1
X9
With thermostat, three active power steps
42 kW immersion heater step active.
24 kW immersion heater step in emergency mode.
X2
X2
5 6 7 8
Heat pump
F1345
ELK 42
ELK
X1
X1 PE L1 L2 L3
X9
X3
X3
9 1 2 3 4 5 6
X2 L N PE 1 2 3
X2
X3 X4
X3 X4
9 1 2 3 4 5 6 1 2
X2
X2 L N PE 1 2 3
4
X9
3
4
X9
19