Operating instructions

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 D on. Check that the white nee-
dle 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 B to 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 posi-
tion.
Set the room thermostat, if fitted, to the desired temperature.
Set the central heating temperature control B to the required position.
TO STOP THE APPLI-
ANCE
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 elec-
tricity 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 dis-
play 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 E
Safety tem-
perature lim-
iter reset
button F
Expansion
vessel
Standby G
A
Demand H
Heatbank
Water
diverter
valve
Pressure
gauge
Gas serv-
ice cock D
B C