Instruction manual

STARTING THE APPLIANCE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR CAMRAY EXTERNAL &
EXTERNAL SYSTEM 12/18-18/25-25/32
8 716 115 667a (05.2009)
39
COMMISSIONING
on
GREENSTAR CA M R AY EXTE R NAL SYST E M 12/18
max
flue
reset
boiler
reset
service
bar
0
1
2
3
4
on
GREENSTAR CAM RAY EXTER NAL SYSTEM 12/18
max
flue
reset
boiler
reset
service
bar
0
1
2
3
4
2
1
A
B
A
C
STARTING THE APPLIANCE
Central heating:
1Open all radiator valves.
Set room thermostat to maximum.
Set programmer to ON for CH, OFF for
DHW (if applicable).
Turn the thermostat control (B) to max.
The demand indicator (A) should illuminate and
the burner should be ON with the circulating
pump. On External System models only, the
system pressure gauge (C) should read
between 1 and 1.5 bar.
 Ensure all radiators are heating up evenly
and balance the system to the temperature
difference required for the heating flow and
return according to the heating load.
2Set the room thermostat to minimum.
The demand indicator light (A), burner and
circulating pump should be off.
3Check that any other controls that are fitted
to the system are operating properly.