Worcester 12/18 Instruction Manual page 36

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1
max
C
2
max
3
max
C
4
max
C D
36
STARTING THE APPLIANCE
Page 36
max
flue boiler
reset reset
D
max
flue boiler
reset reset
max
flue boiler
reset reset
D
max
flue boiler
reset reset
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32
STARTING THE APPLIANCE
Central heating:
1
Set room thermostat to maximum.
Turn the CH thermostat control (D) to max.
on
The burner should be ON with the circulating
service
pump. The diverter valve (E) should open to
lockout
port B for CH.
GREENSTAR HEATSLAVE EXTERNAL
Ensure all radiators are heating up evenly
and balance the system to the temperature
difference required across the heating flow
E
and return relevant to the heating load.
2 Set the room thermostat to minimum.
The burner and circulating pump should be
off. The diverter valve (E) should return to
port A for DHW (default).
Domestic hot water & central heating:
3 Set the room thermostat to maximum.
on
Set the programmer to ON for DHW & CH.
Turn the DHW thermostat control (C) fully
service
anti-clockwise.
lockout
Set the CH thermostat control (D) to max.
GREENSTAR HEATSLAVE EXTERNAL
The burner should be ON with the circulating
pump. The diverter valve (E) should open to
port B for CH.
E
4 Set the DHW thermostat control (C) to max.
The diverter valve (E) should move to port A
and divert the flow to the Heatslave tank.
on
service
lockout
GREENSTAR HEATSLAVE EXTERNAL
E
on
service
lockout
GREENSTAR HEATSLAVE EXTERNAL
E
Open all radiator valves.
Set programmer to ON for CH.
Turn the DHW thermostat control (C) fully
anti-clockwise.
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