INSTRUCTION REF: IN172
ISSUE No. 1
DATE 30.10.09
Page 9 of 17
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TECHNICAL DETAILS : MODEL SWGB
Total Unit
GAS
OPERATING PRESSURE
TOTAL HEAT INPUT (Net)
NATURAL G20
20mb / 8” W.G.
3.626 KW = 12372 Btu/h
PROPANE G31
37mb / 14.8” W.G
4.263 KW = 14546 Btu/h
BUTANE G30
29mb/11.2” W.G.
4.444 KW = 15162 Btu/h
GAS RATE
M³/HR
FT³/HR
LB/HR
KG/HR
NATURAL
G20
0.384 M³/HR
13.550 FT³/HR
PROPANE
G31@ 37mb
0.174 M³/HR
6.159 FT³/HR
0.677 LB/HR 0.307 KG/HR
BUTANE
G30@ 29mb
0.138 M³/HR
4.866 FT³/HR
0.715 LB/HR 0.324 KG/HR
AIR FLOW RATE FOR
COMBUSTION 20m³/HR
4.176 M³/HR
Low Rate for all gases = 2.25KW
Model
Injector Size
Injector Code
SGWBP
Propane G31 @ 37mbar 14.8” W.G.
and Butane G30
@ 29mbar 11.2” W.G.
Burner Injector
INJECT 119
SGWB
Nat Gas G20 @ 20mbar 8” W.G.
Burner Injector
INJECT 150
Water temperature rise is 80°C in 60 minutes on G31 and G30 and 75°C in 60
minutes on G20
