Electrical Connection - Nibe ELK 15 Installateurhandbuch

Electrical connection

NOTE
All electrical connections must be carried out
by an authorised electrician.
Electrical installation and wiring must be car-
ried out in accordance with the stipulations in
force.
The climate unit must not be powered when
installing ELK 15.
ELK 15 must be installed via a circuit breaker with a
minimum breaking gap of 3mm.
ELK 15 contains overheat protection and two contact-
ors to control the two power steps 5 kW and 10 kW
respectively. For best function the power should be
binary controlled, that is to say 5, 10 and 15 kW.
The electrical circuit diagram is at the end of this In-
staller handbook.
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.
F1345 without 2.0
Terminal block X1 in ELK 15 connects to the terminal
blocks X2-X4 in the heat pump as illustrated.
X2 X3 X4
Without thermostat, two active power steps
15 kW electric heater step active.
X2
X2
5 6 7 8 9
Heat pump
F1345
ELK 15
ELK
X1 6 7
X9
With thermostat, two active power steps
15 kW electric heater step active.
10 kW electric heater step active in emergency mode.
X2
X2
5 6 7 8
Heat pump
F1345
ELK 15
ELK
6 7
X9
X1
X3
X3
1 2 3 4 5 6
J1,1 J1,2 J2,2 8 L1
X3 X4
X3 X4
9 1 2 3 4 5 6 1 2 3
J1,1 J1,2 J2,2 8 L1
GB
17