Settings; Restart - Re-Check Commissioning - Glow-worm Ultracom2 sxi Installation And Servicing

16.1

Settings

Steps "Switching on" to "Re-pressurising System"
i
will need to be completed before the appliance can
be converted (See chapter "Commissioning").
Tools required to make the conversion are a 4mm Allen key and
an electricians screwdriver.
Having checked :
- the appliance and system have been installed in
accordance with the instructions.
- the integrity of the flue system and flue seals....
- the integrity of the appliance combustion circuit and relevant
seals....
- that all internal/external controls are calling for heat.
- the gas service isolation valve is opened.
2
1
2B
2A
Key
1 Throttle
2 Combustion analyser sample
2A flue elbow
2b Vertical flue adaptor
3 Cap
• Remove the front panel first.
• Remove the cap (3) and connect a CO2 analyser to effect
the measurement (2).
16.1.1 Adjusting the gas valve
• Press the on/off button to turn the appliance off.
• Turn the screw in the direction and the number of times
indicated in the following table.
0020112600_02 - 10/12 - Glow-worm
3
point
Gas adjustment
16.1.2 Adjusting the maximum power setting
• Activate the test mode "P.01" and set the value to 100 in
order to force the burner at P. max. See chapter "Specific
adjustment ► Appliance technical settings and parameter list
► Test modes".
• Wait approximately 5 minutes to read a stabilized CO2 value.
• Compare the value measured with the values indicated in the
table below.
Gas adjustment
CO2 case ON
CO2 case OFF
Safe combustion can only be verified by measuring
i
CO/CO2 ratio. This must not exceed the value
shown in the table under the section "Maximum Rate
and Adjustment".
16.1.3 Restarting
• Replace the cap
• Replace the appliance front panel.
Note: following the replacement of the front panel, the CO2
value will change: you can check that the value "case on" is
correct by the values in the previous table.
1
Key
1 Serial number stickers
2 Data label location
• Firmly attach the gas conversion label to the appliance in the
corresponding location (1) on the electrical box.
16.2

Restart - re-check commissioning

• Before putting the appliance into operation, follow the
instructions within the chapter Specific adjustment.
MAINTENANCE
Model G20 ► G31
18sxi
30sxi
18sxi 3 turns
30sxi 2.5 turns
G20
9 ± 0.2 %
9.2 ± 0.3 %
2
G31 ► G20
3 turns
2.5 turns
G31
10.1 ± 0.2 %
10.3 ± 0.3 %
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