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INSTALLATION INFORMATION
3.4.6 Operating Pressure of the Gas Valve
Unit
Gas Type
High Pressure (kPA)
Low Pressure (kPA)
DU10
Natural Gas
0.875
0.3
LPG
2.5
0.875
DU12
Natural Gas
0.875
0.3
LPG
2.5
0.875
DU16
Natural Gas
0.875
0.3
LPG
2.5
0.875
SD22
Natural Gas
0.72
0.252
LPG
2.5
0.875
SD26
Natural Gas
0.72
0.252
LPG
2.5
0.875
SD30
Natural Gas
0.72
0.252
LPG
2.5
0.875
SD35
Natural Gas
0.72
0.252
LPG
2.3
0.875
SD40
Natural Gas
0.72
0.252
LPG
2.5
0.875
Table 11: High and Low Operational Pressures
3.4.7 Setting Gas Valve Pressure
The regulated valve pressure is to be set based of the ranges in Table 11.
To set the regulated pressure follow the steps below.
1. Connect a manometer to the supply pressure test point.
2. Measure the incoming gas pressure to ensure that it less than 3.5kPa. If found to be greater than 3.5kPa the gas
valve may be in a locked state. A pressure regulator will need to be installed upstream of the gas valve to provide
the correct gas supply pressure in accordance with Table 10. If the gas valve is in a locked state the line will need
to be bled between the regulator and the valve to relieve excess pressure.
3. Ensure gas pressure test point has been closed.
4. Check gas train for leaks.
Figure 16: Typical LPG (left) and NG (right) Gas valves
AMI097-A
