Nibe ELK 213, Installer Manual, Page: 12 / 24

F1145, F1155, F1245,
F1255, VVM 225,
VVM 310, VVM 320,
VVM 325 and
VVM 500
For connecting ELK 213 via accessory board AXC 40.
Terminal blocks X1 and X8 in ELK 213 connect to termin-
al block AA5-X9 in AXC 40 as illustrated.
L2 L3 N2 L1 N1 PE
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9 N
X8 X1
Tillbehörskort
ELK 213
AA5-X9
Accessory card
ELK 213
Power supply
The power cable must be selected for the relevant
power and connected to terminal block X1.
Upon delivery the electric heater has three unopened
cable grommets. These are for supply, external control,
circulation pump and load monitor.
Output
The immersion heater can be set up to a maximum of
13 kW. The delivery setting is 9 kW in two steps.
The immersion heater’s power output is divided into
steps, 7, 9, 11 and 13 kW. Switching to another power
output is performed at the top of the electric water
heater, directly on the immersion heater’s connections
and on terminal block (X8) in the electrical connection.
The power output can be controlled in three steps in all
powers and in two steps for power outputs 7 and 9 kW.
Powers 11 and 13 kW must not be controlled in two
steps. Change-over occurs on terminal block (X8) using
the wiring enclosed.
9 kW in two steps (delivery setting)
1 2 3 4 5 6 7 8 9 N
X8
7/9 kW in three steps
1 2 3 4 5 6 7 8 9 N
X8
11/13 kW in three steps
1 2 3 4 5 6 7 8 9 N
X8
CONTROLLING THE IMMERSION HEATER
NOTE
It is recommended that ELK 213 is linearly
controlled. If binary control is still required, en-
sure that step one has lowest output, step two
next highest output and step three the highest
output.
Power step (kW) Set output (kW)
1, 2, 4 7
2, 3, 4 9
1, 4, 6 11
3, 4, 6 13
NIBE ELK 213 Chapter 4 | Electrical connection 12