Gas Conversion - Sime Planet Dewy 60 BFR Manual De Instrucciones

4.3 BOILER CALIBRATION
IT
ES

GAS CONVERSION

FR
– Close the gas cock.
– Replace the injector (pos. 30)
BE
and the relevant gasket (pos.
45).
– Cut the specified resistance on
GB
the fan control board.
– Test for soundness all the gas
RO
Single modules are calibrated in heating position.
RUS
"Δp air" ADJUSTMENT
To measure "Δp air" simply con-
nect the differential pressure
gauge, equipped with a decimal
scale in mmH O or Pascal, to the
2
positive and negative sockets on
the air pressure switch (Drawing
1) .
Operating sequence:
1) Rotate the module heating
power adjustment trimmer
clockwise to the limit (B –
Drawing 2) ; fan on maximum.
2) Find the "max Δp air" values in
the table, using the fan board
"MAX" trimmer (Drawing 3) :
Max. Δp air (mmH
Single module
G20
G31
3) Rotate the module heating
power adjustment trimmer
counter-clockwise to the limit (B
– Drawing 2) ; fan on minimum.
4) Find the "min Δp air" values in
the table, using the fan board
"MIN" trimmer (Drawing 3) :
Min. Δp air (mmH
Single module
G20
G31
After calibrations, check the CO
must be made:
– To correct CO
2
– To correct CO
2
116
connections using soapy water
or appropriate products.
DO NOT USE NAKED FLAMES.
– Stick onto the casing panel the
plate showing the relevant fee-
ding gas.
– Proceed with air and gas cali-
bration as described below.
Air pressure switch
Pressostato
O)
2
60.0 ±2
63.0 ±2
O)
2
5.8 ±2
10.9 ±2
values with a combustion analyser. If they deviate more than 0.2 from the table values, the following corrections
2
"MIN" Power
"MAX" Power
to the "MIN" power, use the OFF-SET screw (2 – Drawing 6) .
to the "MAX" power, use the shutter (1 – Drawing 6) .
"Δp air-gas" ADJUSTMENT
To measure "Δp air-gas" simply
connect the positive socket on
the differential pressure gauge to
the valve gas intake and the nega-
tive socket to the air pressure
switch (Drawing 4) .
Gas pressure is always adjusted
with the fan on minimum.
Drawing 1
Operating sequence:
1) Rotate the module heating
power adjustment trimmer
counter-clockwise to the
Drawing 2 limit (B – Drawing 5) ; fan on
B
minimum.
2) Completely unscrew the valve
gas shutter (1 – Drawing 6) .
3) Use the gas valve OFF-SET adjustment screw (2 – Drawing 6) and
find the "Δp air-gas" value in the table.
Shutter open (mmH
"Δp air"
min/max
G20
adjustment
G31
4) Use the shutter (1 – Drawing 6) and find the "Δp air-gas" value in
the table:
Adjusted shutter (mmH
Drawing 3
G20
G31
CO
2
Methane (G20)
9.0 ±2
9.0 ±2
30
45
Air pressure switch
Pressostato aria
2
O)
2
Single module
4.2 ±2
9.2 ±2
O)
2
Single module
3.8 ±2
8.7 ±2
Propane (G31)
10.0 ±2
10.0 ±2
Drawing 4
Drawing 5
B
1
Drawing 6
GB - 02/07
Fig. 18