Glowworm Lighting ULTRACOM CXI - Manual (Page 10)

www.glow-worm.co.uk
10 Initial Lighting Remove the cover plate, refer to the fault finding section on page 15 and diagram 8. Check that all isolating valves and the gas service cock on the appliance are open and that water flows from the hot water taps, then close taps, refer diagram 3. Note:
If you are in any doubt about the boiler being filled
with water contact your installer or Glow-worm's own service organisation using the telephone number on the inside front cover of this booklet. Do not operate the boiler without water. 1.
With no demand from any external controls, switch on
the electrical supply to the boiler.
Lighting the Boiler
Note:
If the electrical supply has been interrupted for any
reason, you may need to set the clock and day before continuing, refer to diagram 5. 2.
Select your required function, refer to diagram 9, press
"Mode" repeatedly to scroll through your options and select one of the following:-
Timed central heating with domestic hot water. Constant central heating with domestic hot water. Domestic hot water only. Boiler functions ALL switched off.
3.
Turn ON your external controls and select the room
temperature required. The boiler will operate automatically. Note:
The display will indicate the Heating system
pressure in bar or:
•
Water temperature, when heating is on.
•
Domestic Hot Water temperature setpoint, when
there is a demand.
•
Fault Code (see section Fault Finding)
13469
Diagram 3
A
- Central Heating Isolation V
alve
B
- Domestic Hot W
ater
C
- Gas Service Cock
D
- Domestic Cold W
ater
E
- Condensate drain
F
- Double Check Inlet V
alve
G
- Safety Discharge V
alve