Domotec Therm-Control DHB 370 C Bedienungsanleitung Seite 55

Appendix
Sensor position
Min. 200 mm
Min. 200 mm
Insulation
Electrical Scheme
L
N
MAX.
C 20 A
30 mA
L L/
Heating cable DHB 200
For Connection of a single unit:
F1: circuit breaker 20 A max. ( C-characteristic).
F2: residual current device 30 mA.
For multiple unit connection on a three phase system
F1: circuit breaker 3x20 A max. ( C-characteristic)
F2: residual current device 3x30 mA double-pole electrical protection might be
needed to comply with local electrical standards.
For multiple unit connection on one phase system:
F1, F3, F5: circuit breaker 20 A max. ( C-characteristic).
F2, F4, F6: residual current device 30 mA.
Sensor positioning
on metal pipes
DHB 200
Pipe/boiler coupling
Therm-Control sensor
Aluminium tape
Water Heater
N N PE PE COM
Alarm 2 A max. 250 Vac
Sensor positioning
on plastic pipes
Water Heater
Note: for plastic pipes
position sensor on metal
boiler coupling
NO NC S1 GND S2
Pipe sensor Water heater sensor
Temperature sensors
NTC
DHB 405
Therm-Control
GND
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