4
Legend
A.
Domestic Hot Water Preheat On/Off Knob
B.
Domestic Hot Water Temperature Knob
C.
Central Heating Temperature Knob
D.
Mode Knob
E.
Boiler Status
F.
Burner ‘on’ Indicator
G.
System Pressure Gauge
H.
Central Heating Economy Setting
G
Boiler Base
E
F
A
B
C
D
H
TO START THE BOILER
If a programmer is fitted refer to separate instructions for the
programmer before continuing.
Start the boiler as follows:
1.
Check that the electricity supply to boiler is off.
2.
Set the mode knob (D) to ‘
off
’.
3.
Set the Domestic Hot Water temperature knob (B) and
Central Heating temperature knob (C) to ‘
max
’.
4.
Set the preheat knob (A) to ‘
preheat on
’.
5.
Ensure that all hot water taps are turned off.
6.
Switch on electricity to the boiler and check that all external
controls, e.g. programmer and room thermostat, are on.
7.
Set the mode knob (D) to ‘
’ (winter).
The boiler will commence ignition sequence, first supplying
heat to preheat the domestic hot water and then to the central
heating, if required.
Note
. In normal operation the boiler status display (E) will display
messages (see section 7).
Note
. Boiler frost protection - boiler will fire if temperature is below 5ºC.
During normal operation the burner on indicator (F) will remain
illuminated when the burner is lit.
Note
.
If the boiler fails to light after five attempts the following
fault messages will be displayed “
Ignition Lockout
” -
“
1 Check other gas appliances work
” - “
2 Restart boiler
” -
“
3 Contact Installer
”.
To restart boiler, turn mode knob to restart position and
immediately turn knob back to required setting. The boiler
will repeat the ignition sequence. If the boiler still fails to light
consult a Registered Gas Installer, or in IE a Registered Gas
Installer (RGII).
2.
BOILER OPERATION
