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STARTING THE APPLIANCE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32
8 716 113 389b (09/07)
33
COMMISSIONING
GREENSTAR HEATSLAVE EXTERNAL
max
flue
reset
boiler
reset
max
lockout
on
service
GREENSTAR HEATSLAVE EXTERNAL
max
flue
reset
boiler
reset
max
lockout
on
service
1
2
3
4
C
GREENSTAR HEATSLAVE EXTERNAL
max
flue
reset
boiler
reset
max
lockout
on
service
STARTING THE APPLIANCE
Domestic hot water:
1Set the CH/DHW programmer to OFF.
Fully open a hot water tap.
The burner should be OFF and the circulating
pump ON.
2Close the hot water tap.
Set the DHW thermostat control (C) to
minimum as shown.
Set the programmer to DHW ON.
The burner should be ON with the circulating
pump to heat the water in the Heatslave
external tank.
When minimum set temperature is reached
the burner and circulating pump will switch
off.
3 Fully open a hot water tap.
The burner should be ON with the circulating
pump.
Check the water flow rate using a suitable
measuring container;
12/18KW 15 litres/min
18/25kW 18 litres/min*
25/32kW 22 litres/min*
* Manually regulate using the water main
inlet isolating valve on the boiler.
4 Fully close the hot water tap.
Check the burner and circulating pump**
switch off.
**The high limit thermostat may activate
pump overrun until the correct
temperature is restored.