Welbilt Convotherm 4 - Gas Specification, Australia;New Zealand

9.11 Gas specification, Australia/New Zealand
C4 GB/GS
Gas type
Natural gas
(AUS/NZL)
Propane (AUS/
NZL)
Propane 3P Liquefied gas
3B/P
Standard test gas, code - - G31 G30/G31
Operating materials
Natural gas, liquid gas x x x x
Gas supply values
Gas pipe connection R 3/4" R 3/4" R 3/4" R 3/4"
Supply flow pressure [mbar] 11.3 (10.0 -
50.0)
27.5 (27.5 -
60.0)
29/37/50 (25 -
57.5)
29/37/50 (25 -
57.5)
Gas data (as per CE) at 15 °C and 1013 mbar dry
Lower Wobbe Index W
i
[MJ/m
3
]
- - 70.7
(68.1 - 70.7)
80.6
(68.1 - 80.6)
Upper Wobbe Index W
S
[MJ/m
3
]
- - 76.8
(72.9 - 76.8)
87.3
(72.9 - 87.3)
Lower calorific value H
i
[MJ/m
3
]
- - 88 116.1
[MJ/kg] - - 46.3 45.7
Higher calorific value H
S
[MJ/m
3
]
- - 95.7 125.8
[MJ/kg] - - 50.4 49.5
Exhaust gas extraction system
Air ventilation system with safe-
ty shutdown
mandatory mandatory mandatory mandatory
Exhaust gas values
CO
2
[%] 9.5 - 9.7 10.8 - 11.0 10.8 - 11.2 12.8 - 13.3
CO [ppm] < 500 < 500 < 500 < 500
9 Technical data
Installation manual 88