13
10
I
reset
19
23
25
22
26
24
Fig. 22
28
29
Control panel
19. Two position Selector switch
O = Switched OFF
I = Switched ON
20.
= Domestic hot water temperature adjustment
21.
= Heating flow temperature adjustment
22. Heating temperature indicator lights
23.
Green indicator - Power ON
24.
Orange indicator - Burner ON
25.
Red indicator - Lock out / flame failure
26 “RESET” Reset button
27. Pressure
gauge
28.
=- DHW mode indicator
29.
=- Heating mode indicator
0
1
2
3
bar
Fig.23
30
31
33
32
20
21
27
Switching on
1) Check that the gas service tap is opened at the
gasmeter and main power is on.
2) Check that pressure in central heating system is above
0.7 bar and below 1.5 bar with the pressure gauge
27.
3) Open the gas tap 31.
4) The boiler is now ready to use.
Hot Water
1) Turn main switch 19 to position I . The green "power
on" indicator
23
will light.
Turn the DHW thermostat clock wise 21. The DHW
indicator will light
28.
2) Turn on a hot water tap, the orange "burner on"
indicator will
light
24 and the water will become hot.
Heating
1) Turn main switch 19 to on position I . The green "power
on" indicator
will light
23.
Turn the CH thermostat clockwise
20. The CH indicator
will light 29.
3) If the room thermostat (if fitted), the boiler temperature
control
and the clock (if fitted) are all calling for heat,
the orange "burner on" indicator
will light and the
heating will be on.
When there is a need for hot water while the heating is on,
it is only necessary to turn on a hot tap. The heating will
be interrupted momentarily while the hot water is being
delivered. The boiler will switch back automatically to
heating when the tap is turned off.
Note: If the boiler has been turned off for some time the
first attempt to light it may result in a lockout
. If this
happens press the reset button 25 and the boiler will light.
To Turn Boiler Off Completely
1) Turn the selector switch 19 to the off position O.
2) Turn the gas tap 31 OFF.
0
1
2
3
bar
Isolating Taps
(taps shown in Open position)
30. CH Flow isolating valve
31. Gas service tap
32. Water service tap
33. CH Return isolating valve
User’s Instructions