Gas Settings; Adapting To Another Gas Type; Checking And Setting Combustion - REMEHA CALORA TOWER GAS 15S EX Installation And Service Manual

6. Commissioning
6.4

Gas settings

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CALORA TOWER GAS 15S EX CALORA TOWER GAS 25S EX
6.4.1.

Adapting to another gas type

WARNING
Only a qualified engineer may carry out the following
operations.
The boiler is preset in the factory to operate on natural gas H (G20).
For operation on another group of gases, carry out the following
operations:
4 Set the fan speed using the parameters p17, p18 and
p19.
¼See chapter: "Parameter descriptions", page 68
4 Set the air/gas ratio.
¼ "Checking/setting values O
¼ "Checking/setting values O
4 Affix the label which indicates for which type of gas the boiler is
fitted and set.
L000182-A
6.4.2.

Checking and setting combustion

1. Unscrew the plug of the flue gas measurement point.
2. Insert the probe for the flue gas analyser into the measurement
opening.
WARNING
Ensure that the opening around the sensor is completely
sealed when taking measurements.
CAUTION
M002534-A
The flue gas analyser must have a minimum accuracy of
0,25% O
3. Remove the cover from the sealed chamber.
¼ see chapter: "Removing the cover from the sealed
chamber", page 57
4. Measure the percentage O
measurements at full capacity and low capacity (Front panel
removed).
CALORA TOWER GAS 35S EX
at full load", page 61
2
at low load", page 62
2
.
2
in the flue gases. Perform
2
22/04/2016 - 300026141-001-07