
Supplied By www.heating spares.co Tel. 0161 620 6677
4
221481C
2391
CONTROL
COVER 'D'
CONTROLS ACCESS
Diagram 2
BOILER
CONTROLS
A
G
C
B
A.
BOILER THERMOSTAT KNOB
B.
GAS CONTROL KNOB
C.
IGNITER BUTTON
G.
VIEWING WINDOW
Diagram 3
2431
MODEL AND
SERIAL NUMBER LABEL
Electrical Supply
WARNING. The boiler must be earthed.
Connection of the boiler and any system controls to the mains
supply should be by one unswitched shuttered socket a 3A
plug, both to the current issue of BS1363.
Alternatively, a 3A fused double pole isolating switch may be
used, having a minimum double pole contact separation of
3mm in both poles, serving only the boiler and system controls.
The colours of three core cable are:
Brown - live, Blue - neutral, green and yellow - earth.
As the markings on your plug may not correspond with these
colours, continue as follows:
The wire coloured blue must be connected to the terminal
marked “N” or “Black”.
The wire coloured brown must be connected to the terminal
marked “L” or “Red”.
The wire coloured green and yellow must be connected to the
terminal marked “E”, “Green” or the earth symbol
.
Lighting the Boiler
CAUTION. If the pilot flame goes out, either intentionally or by
accident, no attempt should be made to relight it for at least 3
minutes.
Slide the controls cover off and clear, see diagram 3.
Make sure that the electrical supply to the boiler is switched off.
Identify the controls by reference to diagram 2.
Turn thermostat knob “A” fully anti-clockwise to the OFF
position.
Push and keep in gas control knob “B”.
Push and release igniter button “C” until the pilot burner lights,
look through window “G”. When the pilot is alight keep the gas
control knob “B” pushed in for about 15 seconds.
If the pilot does not light or fails to stay alight, wait for 3 minutes
then repeat the lighting operation only this time keep the gas
control knob “B” pushed in for a little longer.
Instructions for Use
When the pilot is alight and stable, switch on the electrical
supply to the boiler.
Check that all external controls are calling for heat.
Turn the thermostat control knob “A” fully clockwise to “5” and
the burner will light fully in about 3 to 5 seconds, look through
window “G”.
Adjust thermostat knob to desired setting between “5” and “1”.
“5” is about 82
o
C (180
o
F).
Replace controls cover.
To Turn the Boiler Off
For short periods, turn thermostat control knob “A” anti-clockwise
until “O” is against the setting point. The pilot will remain alight,
to relight the main burner turn thermostat control knob “A”
clockwise to the desired setting between “1” and “5”.
For longer periods, turn the thermostat control knob “A” anti-
clockwise until “O” is against the setting point. Slide the control
button “B” to the left, the control will automatically reset. Switch
off the electrical supply to the boiler.
To relight, follow the full lighting procedure given above.