Glow-worm ULTIMATE 30c Manuals & User Guides. User Manuals, Guides and Specifications for your Glow-worm ULTIMATE 30c Boiler. Database contains 2 Glow-worm ULTIMATE 30c Manuals (available for free online viewing or downloading in PDF): Installation and servicing manual, Installation and servicing.
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11 Commissioning - Nat. Gas (G20) to LPG (G31) Conversion
11.10 LPG CONVERSION - all models
IMPORTANT: Gas conversion must be carried out by a
competent person approved at the time by the Health and
Safety Executive.
Isolate the boiler from both the Gas and Electricity supplies.
The burner must be removed from the boiler by removing,
the front panel, hermetic chamber cover and combustion
chamber cover. Remove the two securing screws, one on
each side of the burner, see diagram 11.13.
The old injector bar (manifold) must be removed.
The ignition electrode and flame (ionisation) electrode
cables must be removed by opening the control panel and
gaining access to the PCB. Disconnect the plugs of the
ignition and flame (ionisation) electrodes, see diagram
11.15.
Fit new injector bar (manifold), new sealing washer and
tighten, ensuring that the injector size is marked 0.75 mm for
LPG (both for Betacom 24c and Betacom 30c)
Fit burner and re-assemble.
The joint must be checked for Gas Tightness.
14555
Diagram 11.15
FLAME AND IGNITION
ELECTRODE LEADS
14566
Diagram 11.14
SENSING TUBE
GROMMET
BURNER
14557
Diagram 11.13
SECURING SCREW
LEFT HAND SIDE
OF BURNER
RIGHT HAND
SIDE OF BURNER
Remove the gasket of cables with the cables inside.
1 2 3 4 5 6 7 8
ON
DIP
1 2 3 4 5 6 7 8
ON
DIP
DIP SWITCH
OFF POSITION
DIP SWITCH
ON POSITION
1 2 3 4 5 6 7 8
ON
P7
P5
P2
P4
DIP
8 DIP SWITCHES IN
THE OFF POSITION
MAIN PCB
Diagram 11.16
39
1
2
3
4
bar
0
1
0
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
ON
30
40
50
60
70
80
90
bar
11 Commissioning
11.3 Control Panel Functions, diagram 11.4.
Central heating and domestic hot water temperature
controls: The boiler’s integral control unit monitors and
adjusts both the boiler’s hydraulic circuit and D.H.W. water
outlet temperatures by means of sensors located on the
CH heating and D.H.W. flow outlets. The sensors electrical
resistance, which is dependant on temperature, determines
the current passing through the control potentiometers
located on the control panel. The respective potentiometer
control dial allows manual setting of the maximum required
temperature (reference value) being between 30º and 85ºC
for CH heating and 35º and 64ºC for D.H.W. When the boiler
operates in heating or D.H.W. mode, the current received is
compared to the manually set reference value. The difference
of the two values operates the modulation of the gas valve
adjusting the useful heat output generated and stabilising the
temperature to within ±1ºC.
Re-set function: Should the boiler lock out at any time,
please check the gas supply and ionisation probe position, the
boiler may be re-started by switching to standby “O” position
waiting 15-30 seconds.
Switching back to its previous position once the fault has been
eliminated.
Function switch: The three position switch allows the boilers
operation to be set to ‘Stand-by’ (centre position), ‘Heating
+ D.H.W.’ (left hand position) or ‘D.H.W. only’ (right hand
position).
14333
Diagram 11.4
11.3 Commissioning
The Betacom 24c and 30c boilers have been tested and pre-
set at the factory and is dispatched with its on board controls
set to provide a maximum central heating and D.H.W. output.
Consequently, once all the connections have been made and
the boiler has been filled with water to the designed system
operating pressure, the boiler may be fired prior to adjusting
it’s on board parameters to match the heating systems
requirements.
11.4 Initial Lighting
Glow Worm Betacom 30c Installation Manual
Prior to firing: Check that the electrical supply to the boiler
is ‘On’ (The green boiler ‘Stand by’ indicator will light) and the
gas service isolation valve is in the open position, see diagram
11.1.
Set the boiler’s central heating and domestic hot water
temperature controls to maximum by turning them fully
Glowworm Betacom 30c User Guide
clockwise.
Set the external room thermostat (if fitted) to maximum and
open the thermostatic radiator valves to maximum.
Switch the boilers function switch to the central heating and
domestic hot water position. The boiler’s control unit will
now automatically carry out pre-ignition safety checks before
igniting the burner.
TIMER
DISPLAY
STANDBY
INDICATOR
PRESSURE GAUGE
FUNCTION
SWITCH
CENTRAL HEATING
TEMPERATURE
CONTROL
DOMESTIC HOT WATER
TEMPERATURE
CONTROL