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9 Adapting to another gas type
These actions must be carried out by a qualified engineer
holding the relevant qualifications and certificates (for
example ACS and IEE regulations).
9.1 Switching from Natural Gas to Propane
Gas 110 Eco 65
Changing from Natural Gas to Propane requires:
- the setting of the burner,
- the setting of the maximum fan speed.
Isolate main power supply.
46
Preset the burner by turning the "max output" setting screw
- by 4 turns to the right: Gas 110 Eco 65
Re-establish power supply to burner and controls.
Set the maximum fan speed to a value of:
- 4600 rpm: Gas 110 Eco 65
See chapter 4.6.3 and § 4.6.4 for speed at full load HTG and
DHW
Take the boiler up to maximum power.
- Press key
" "
: Maximum power of the burner
Remove the plastic cap from the measurement tube.
Measure the CO
Set: CO
to 10.7 ±0.3% or O
2
Check the flame via the flame inspection window. It must not go
out. The flame must be stable and blue in colour with orange
particles around the edge of the burner.
Press
and [-]-keys simultaneously.
" "
: Minimum output.
Measure the CO
Modify the "min output" setting with the setting screw
Check the output delivered again.
Adjust if necessary.
When the setting is correct:
Press the [+] and [-]-keys simultaneously to return in operating
mode.
Remove the measuring equipment.
Replace the plastic cap onto the measuring tube.
Only make small adjustments 1/8 turns when adjusting max
and min outputs (3 and 2).
Gas 110 Eco 115 / 65
and [+] simultaneously for 2 seconds.
or O
level in the flue gases.
2
2
to 4.8 ±0.2%.
2
or O
level in the flue gases.
2
2
25/01/2011 - 300014883-001-K
:
.
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