STIEBEL ELTRON DHE Connect 18/21/24 Operation And Installation page 103

INSTALLATION
Specification
17.2 Wiring diagram
3/PE ~ 380-415 V
2
1
1 Power PCB with integral safety switch
2 Bare wire heating system
3 High limit safety cut-out
4 Mains terminal
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Priority control with LR 1-A
3
1 Control cable to the contactor of the second appliance (elec-
2 Control contact drops out when switching the instantaneous
4
2
1
tric storage heater, for example)
water heater on.
DHE Connect | DHE Touch | 103