Grant Vortex Boilerhouse Combi - Power Supply Connection

Electrical connections
8.2 POWER SUPPLY CONNECTION
BURNER
BOILER TEMP
SENSOR
L
N
DHW HIGH
LIMIT STAT
FLOW SWITCH
VALVE
NEUTRAL
DIVERTING VALVE ACTUATOR
VALVE
EARTH
VALVE
SWITCH
MANUAL RESET
DISC FLUE STAT
HIGH LIMIT
STAT
B4S3T2
T1N
L1
DOMESTIC HOT-WATER PUMP
PUMP
NEUTRAL
PUMP
EARTH
PUMP
LIVE
VALVE
SWITCH
TO CONTROL
PANEL WORK
TO HEAT EXCHANGER
TO PANEL WORK
7 WAY EARTH BLOCK
C2
ROOM STAT
NOT SUPPLIED
BY GRANT
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Figure 8-1: Control system diagram