35
18.9 Gas Conversion Setting:
•
Read the notes at the head of this section before commencing any work on
the appliance.
•
Insert a combustion analyser into the socket on the
fl
ue adapter.
•
Check the Potentiometer setting R31.
R 31 potentionmeter adjustment (clockwise)
G20
SARGON 24
SARGON 30 / 35
2 o’clock
10 o’clock
•
In order to set the appliance in service Mode turn the two control knob 2 Figure 18 to
minimum and switch the control knob 3 from OFF to On (Heating Mode) three times each
within a two second interval. A wrench symbol will be displayed in the LCD window and
the boiler will ignite at minimum rate.
•
In this mode of operation the gas rate will be controlled by the CH control for 15min,
after which time normal operation will take over and the wrench symbol will disappear.
•
With the CH control knob at minimum gas rate using a 4mm allen key
adjust
the gas valve to give a
CO
2
value due to Technical Data table. (section 2) Clockwise: increase
the CO
2
value,
anti-clockwise
: decrease CO
2
value.
•
Please check CO
2
values for maximum gas rate if required.
•
NOTE ALL GAS RATIOS MUST BE LESS THAN 0.004.
Figure 42
Summary of Contents for SARGON 18S
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