3
Liquid Propane conversion
Logamax plus GB162-80 kW/100 kW - We reserve the right to make any changes due to technical modifications!
9
B
Adjust the gas/air ratio, if not correct, using the
adjustment screw (
Æ
fig. 16, [1]). The adjustment
screw is located behind the cover screw.
Fig. 16 Setting the gas/air ratio
B
Press repeatedly the “Service”
e
button until the
temperature indication is displayed.
B
Press the “Chimney Sweep”
d
button until the
decimal point is cleared from the display.
B
Switch off the boiler using the main switch.
B
Remove the measurement set-up, tighten the screw in
the burner pressure measuring nipple.
B
Switch on the boiler using the main switch.
3.6
Carrying out a tightness test in
operating conditions
B
Check all gaskets and joints in the burner gas circuit for
leaks while the burner is operational, using a leak
detection agent.
3.7
Measuring the CO content
B
Measure the CO content on the flue gas sampling
point (
Æ
fig. 17, [1]).
The CO values in an air-free condition must be below
400 ppm or 0.04 vol. %.
Values of 400 ppm and up indicate that the burner
adjustment may be wrong, the gas burner fitting or the
heat exchanger are dirty or that there may be burner faults.
B
Establish and resolve the cause.
The boiler must be operational when you do this.
Fig. 17 Measuring the CO content
CAUTION:
due to a short circuit.
B
Cover damageable parts before leak
testing.
B
Do not spray the leak detection agent onto
cables, plugs or electrical connection
lines. Do not allow it to drip onto them
either.
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Содержание GB162-80 kW
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