Grant 50/70 - Dual Thermostat Wiring Diagram - Boiler House Models

45
Grant Vortex Indoor/Utility, System and Boiler House Oil Boilers
10 - WIRING DIAGRAMS
Dual thermostat wiring diagram - Boiler House models
10.7
Overheat
Thermostat
Supply to
Burner
Mains
Supply
Control
Thermostat
L
L
E
E
N
N
Boiler Casing Earth
Connector to link Neutral wires (not supplied)
2
C
1
2
C
1
Note: No connection
to terminal 1
Note: No connection
to terminal 2