1
BOILER CONTROLS
View inside controls area
LEGEND
A. Sightglass
B. Thermostat knob
C. Gas service cock (shown in the OPEN position)
D. Overheat thermostat reset button (if fitted)
Winter conditions, i.e. central heating and domestic hot water, the
thermostat should be set at position 5 or 6.
Summer conditions, i.e. domestic hot water only, the thermostat
should be set at position 3.
These settings, however, are offered for general guidance only
and other settings may be found preferable, dependent upon the
type of system installed or as recommended by the installer.
Approx. flow temperatures for the boiler thermostat settings are:
Knob Setting Flow Temperature
°C °F
156 133
261 142
366 152
472 161
577 170
682 180
To shut down the boiler
1. For short periods
Turn the boiler thermostat (B) to '0' to turn the boiler OFF.
When heating is again required, turn the thermostat knob to
the desired heat setting.
2. For longer periods
Turn the boiler thermostat (B) to '0' to turn the boiler OFF.
Switch the electricity supply to OFF.
To relight the boiler
Repeat the procedure 1 - 7, detailed in 'To light the boiler'.
Frost protection
If no frost protection is provided and frost is likely during a short
absence from home, leave the heating controls at a reduced
temperature setting.
For longer periods, the entire system should be drained -
including the domestic water supply. If the system includes a
frost thermostat then, during cold weather, the boiler should be
turned OFF at the time switch(es) ONLY. The mains supply
should be left switched ON, with the boiler thermostat left in the
normal running position.
All CORGI registered installers carry a CORGI ID card, and have a registration number. Both should be recorded in
your Benchmark Log Book. You can check your installer by calling CORGI direct on 01563 72300
THE LOG BOOK SHOULD BE COMPLETED AFTER EACH SERVICE AND KEPT WITH THESE INSTRUCTIONS
Caradon Ideal Limited is a member of the Benchmark initiative and fully supports the aims of
the programme. Benchmark has been introduced to improve the standards of installation and
commissioning of central heating systems in the UK and to encourage the regular servicing of
all central heating systems to ensure safety and efficiency.
Boiler overheat thermostat
(if fitted)
If the boiler is fitted with a safety 'cutout' thermostat this will shut
down the boiler in the event of overheating.
Should this occur allow the boiler to cool, press the reset button
(D) then relight as detailed in steps 1-7 in 'To light the boiler'.
If the cutout condition still persists then turn off the boiler and
consult a CORGI registered installer or in IE a competent person.
Loss of system water pressure
(Boilers fitted with Classic Sealed System Units only)
If the red arrow on the module pressure gauge is set above zero
and the system pressure is seen to fall below this value over a
period of time then a water leak is indicated. In this event a CORGI
registered installer or in IE a competent person should be
consulted.
DO NOT OPERATE THE BOILER IF THE PRESSURE HAS
REDUCED TO ZERO FROM THE ORIGINAL SETTING.
Escape of gas
Should a gas leak be suspected, contact your local gas supplier
without delay.
Do NOT search for gas leaks with a naked
flame.
Cleaning
For normal cleaning simply dust with a dry cloth.
To remove stubborn marks and stains, wipe with a damp cloth
and finish off with a dry cloth.
Do NOT use abrasive cleaning materials.
Maintenance
The appliance should be serviced at least once a year by a
CORGI registered installer or in IE a competent person.
