Glow-worm Betacom2 - Manual (Page 34)

0020145065_01 - 09/12 - Glow-worm
• Compare the value measured with the values indicated in the
table below.
Gas adjustment G20 G31
CO
2
case ON 9 ± 0.2 % 10.1 ± 0.2 %
CO
2
case OFF 9.2 ± 0.3 % 10.3 ± 0.3 %
i IMPORTANT:
Safe combustion can only be verified by measuring CO/
CO
2
ratio. This must not exceed the value shown in the
table under the section "Maximum Rate and Adjustment".
15.1.3 Restarting
• Replace the cap
• Replace the appliance front panel.
Note: following the replacement of the front panel, the CO
2
value
will change: you can check that the value "case on" is correct by
the values in the previous table.
1 2
Key
1 Serial number stickers
2 Data label location
• Firmly attach the gas replacement label to the appliance in the
corresponding location (1) on the electrical box.
15.2 Restart - re-check commissioning
• Before putting the appliance into operation, follow the
instructions within the chapter Specific adjustment.
16 Draining
16.1 Heating circuit
B
A
1
2
2
Key
1 Length of hose (not supplied)
2 Drain valve
• Drain down the heating circuit of the boiler only, by closing
the heating flow and return isolating valves. See chapter
"Hydraulic connection > Gas and water connections"
• Open the drain point (2). Attach a length of hose (1) if
required.
• After draining, close the drain valve (2) and remove the hose.
16.2 Domestic Hot water circuit
• Drain the Domestic Hot Water circuit by closing the cold-water
isolation valve.
• Open one or more hot water taps to drain the hot water circuit.
17 Servicing
• To ensure the continued efficient and safe operation of the
boiler it is recommended that it is checked and serviced as
necessary at regular intervals.
The frequency of servicing will depend upon the particular
installation conditions and usage. However it is recommended
that the boiler is inspected as part of a service at least once a
year.
If this appliance is installed in a rented property there is a duty of
care imposed on the owner of the property by the current issue of
the Gas Safety (Installation and Use) Regulations, Section 35.
• Servicing/maintenance should be carried out by a competent
person approved at the time by the Health and Safety
Executive in accordance with the rules in force in the countries
of destination.
MAINTENANCE
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