9
TO LIGHT THE APPLIANCE (RSF ONLY)
See Figs 2 and 3.
Set the Operating Switch C (or programmer) to OFF. Switch off
the electricity supply. Remove the cabinet front panel by lifting off its
mountings. Turn the gas service cock Don. Check that the white
needle on the pressure gauge is not below the required pressure
(sealed systems only).
Switch on the mains electricity indicated by the Standby light G.
Turn the central heating temperature control Bto max. Set the
Operating Switch C(or programmer) to HEATING AND WATER and
the burner will light (not visible).
Set the Operating Switch (or programmer) to the required
position.
Set the room thermostat, if fitted, to the desired temperature. Set
the central heating temperature control Bto the required position.
TO STOP THE
APPLIANCE
For Short Periods; Set the Operating
Switch (or programmer) to OFF as
indicated by the Demand light H
going out.
For Long Periods; Set the Operating
Switch (or programmer) to OFF as
indicated by the Demand light going
out. Switch off the mains electricity
indicated by the Standby light G going
out.
The facia mounted programmer will
retain its settings for about 4 weeks
after which it will return to the
factory set programme. The display
will disappear after approx. 12 hours.
ELECTRICITY SUPPLY
FAILURE
The appliance will not operate
without an electricity supply. Normal
operation of the appliance will
resume after the electricity supply is
restored.
TO LIGHT AND STOP THE
APPLIANCE
Fig. 3. R.S.F. model with cabinet front cover removed
Circulating
pump
Domestic
hot water
high limit
thermostat
reset
button ESafety
temperature
limiter reset
button F
Expansion
vessel
Standby G
A
Demand H
Heatbank
Water
diverter
valve
Pressure
gauge
Gas
service
cock D
B C
