13
11
Switching on
1) Check that the gas service valve is opened at the gas
meter and mains 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 31.
3) Open the gas service valve 36.
4) The boiler is now ready to use.
Hot Water
1) Turn mains switch 23 to position I . The green "power on"
indicator 27
will light.
Turn the D.H.W. temperature control knob clockwise 24.
The D.H.W. indicator will light 32.
2) Turn on a hot water tap, the orange "burner on" indicator
will light 28 and the water will become hot.
Heating
1) Turn mains switch 23 to on position I . The green "power
on" indicator
will light 27.
Turn the C.H. temperature control knob clockwise 25. The
C.H. indicator will light 33.
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 lock-out
If this
happens press the reset button 30 and the boiler will light.
To Turn Boiler Off Completely
1) Turn the main switch 23 to the off position O.
2) Turn the gas service valve 36 OFF.
Control Panel (Fig.17)
23. Two position selector switch
O
= Switched OFF
I
= Switched ON
24.
= Domestic Hot Water temperature control knob
25.
= Central Heating flow temperature control knob
26. Central Heating temperature indicator lights
27.
Green indicator - Power ON
28.
Orange indicator - Burner ON
29.
Red indicator - Lock-out/flame failure
30 “RESET” Reset button
31. Pressure gauge
32.
=- D.H.W. mode indicator
33.
=- Central Heating mode indicator
Isolating Valves (Fig 16)
Valves shown in open position
34. C.H. flow isolating valve
35. Domestic Hot Water outlet
36. Gas service valve
37. Water service valve
38. C.H. return isolating valve
I
reset
Fig.17
32
31
30
23
25
33
26
24
27
28
29
User’s Instructions
