31
9.1 RELATED DOCUMENTS
SECTION 9 - LPG INSTRUCTIONS
9.3 CONVERTING THE APPLIANCE GAS TYPE
To convert the appliance to another gas type it is necessary to
change the injector and adjust the gas valve (CO
2
).
• To change the injector see 6.13.1.
• Replace the flange (
D
fig. 52) after having removed the 2
screws and divided in two part the silencer (
C
fig. 52).
• To adjust CO
2
see 7.3.
9.4 GAS SUPPLY
The gas supply must be connected to the appliance by a com-
petent LPG installer and must be of sufficient size to supply
the appliance at its maximum output. An existing supply must
be checked to ensure that it is of adequate size to deal with
the maximum rated input of this and any other appliances that
it serves.
9.5 GAS SUPPLY INSTALLATION
The entire installation including the meter must be purged and
checked for gas tightness.
9.6 CHECKING THE CO
2
AND ADJUSTING THE
GAS VALVE (refer to the Section 7.3)
Fig. 52
BS 5440
PARTS 1 & 2
FLUES & VENTILATION REQUIREMENTS
BS 5449
PART 1
FORCED CIRCULATION OF HOT WATER SYSTEMS
BS 5482
PART 1
DOMESTIC BUTANE & PROPANE GAS BURNERS IN PERMAMENT DWELLINGS
BS 5546
INSTALLATION OF GAS HOT WATER SUPPLIES FOR DOMESTIC PURPOSES
BS 6798
INSTALLATION OF BOILERS OF RATED NOT EXCEEDING 60kW
C
D
9.2 TECHNICAL DATA
Gas Pressures
Compact 25A
Compact 29A
Compact 32A
Inlet pressure
37.0 mbar
37.0 mbar
37.0 mbar
Heating maximum gas rate (kg/hr)
1.55
1.94
1.94
DHW maximum gas rate (kg/hr)
1.94
2.25
2.45
Minimum gas rate (kg/hr)
0.39
0.47
0.47
Injector size
3.8 mm
3.9 mm
3.9 mm
Silencer flange
27 mm (fitted)
29 mm
29 mm
CO2 @ maximum output (%)
10.5
10.5
10.5
CO2 @ minimum output (%)
10.5
10.5
10.5
CO @ maximum output (ppm)
190
250
250
CO @ minimum output (ppm)
20
25
25
Slow ignition (rpm)
4.000
4.000
4.000
CH maximum number of fan rotation (rpm)
4.900
5.200
5.200
DHW maximum number of fan rotation (rpm)
6.100
6.000
6.700
Mimum number of fan rotation (rpm)
1.400
1.400
1.400
