Robur GAHP Line AR Series, Installation, Use And Maintenance Manual

Page: 59 / 100

Electrical installer section
Ed. 2014-08
55
4.4 PUMP AND ELECTRICAL WIRING DIAGRAMS
Connection of the plant water circulation pump
Pump controlled directly by appliance, power < 700W
Figure 19 - Example of pump/appliance electrical connection with 230 Vac pump (with absorbed power of < 4 A),
controlled directly by the appliance
Pump controlled by appliance with interposed relay, power
≥ 700W
Figure 20 - Example of pump/appliance electrical connection with 230 Vac pump (with absorbed power of ≥ 4 A),
controlled directly by the appliance through a relay
GROUND CABLE HAS TO BE
CONNECTED BY A SUITABLE EYELET
TO THE GROUND PIN INTO THE
ELECTRICAL BOX, AND FIXED TO IT
BY THE PROPER PRESET NUT.
L, N WIRING TO THE
TERMINAL BOARD MUST
BE DONE RESPECTING
THE CORRECT POLARITY
GROUND CABLE HAS TO BE
CONNECTED BY A SUITABLE EYELET
TO THE GROUND PIN INTO THE
ELECTRICAL BOX, AND FIXED TO IT
BY THE PROPER PRESET NUT.
L, N WIRING TO THE
TERMINAL BOARD MUST
BE DONE RESPECTING
THE CORRECT POLARITY