ELECTRICS
DANGER - 230V:
ISOLATE THE MAINS ELECTRICITY
PRE-WIRED REMOTE 2 OR 3 PORT VALVE
CONTROL SETS:
Key to components:
A - Double pole switched fused spur (positioned
in the boiler room next to the appliance.
B - REMOTE JUNCTION BOX (10 way) to
connect the following:
Mains wiring 230V 50Hz.
Hot water tank thermostat.
Room thermostat.
System water valves.
Circulating pump.
External programmer.
C - BOILER CONTROL BOX TERMINAL
CONNECTOR BLOCK
Remote junction box (A) requirements:
This must be a terminal block type, current
rated to at least 5 amps.
A 5 amp fuse must be fitted to the mains
supply.
The junction box (A) must be fitted externally
to the boiler.
A frost thermostat can also be connected to the
remote junction box if required.
ELECTRICS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR UTILITY 32/50 & 50/708 716
109 711B 07.2010
30
INSTALLATION
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