STIEBEL ELTRON FCR 18-28 - Manual (Page 22)

22 | FCR 28 | FCR 18 www.stiebel-eltron.com
InStallatIOn
Specification
14.2.2 dual circuit / single circuit operation 3/n/Pe ~ 400 V
Fcr 28/120, part number 071332
Fcr 28/180, part number 071333
6/12 kw, 12/12 kw, 9/18 kw, 18/18 kw
2 L3 L2 L1 N 1 4 3
4
3
5
1
2
26
�02
�7
9�
002
2
1 Heating element
12 kW connected load: 3 x 4 kW
18 kW connected load: 6 x 3 kW
2 Contactor
3 Thermostat
4 Circuit breaker I / II
5 High limit safety cut-out
connection example for dual circuit operation, version 1
2 L3 L2 L1 N 1 4 3
1 2
26
�0
2�
79
�0
01
9
1 Power-OFF contact, installed by the heating contractor
2 Pushbutton for controlling the rapid heat-up function re-
motely, installed by the heating contractor
With standard heating in switch position I and II, reheating is also
possible during off-peak tariff periods.
connection example for dual circuit operation, version 2
2 L3 L2 L1 N 1 4 3
1 2
26
�0
2�
79
�0
04
7
1 Power-OFF contact, installed by the heating contractor
2 Pushbutton for controlling the rapid heat-up function re-
motely, installed by the heating contractor
With standard heating in switch position II reheating is also possi-
ble during off-peak tariff periods. With standard heating in switch
position I, reheating is not possible.
connection example for dual meter reading
K1
K2 K1
K2
2 L3 L2 L1 N 1 4 3
1
2
3 4
26
�02
�7
9�
002
0
K1 Contactor 1, installed by the heating contractor
K2 Contactor 2, installed by the heating contractor
1 Pushbutton for controlling the rapid heat-up function re-
motely, installed by the heating contractor
2 Power-OFF contact, installed by the heating contractor
3 Off-peak tariff
4 Peak tariff