Haier GE NF96DS Service Manual page 44

IMPORTANT
For safety, connect a shut-off valve between the
manometer and the gas tap to permit shut off of gas
pressure to the manometer.
Follow the steps below and use Figure 51 as a reference.
Gas manifold Kit 10L34 provides additional components if
needed.
1. Connect the test gauge positive side "+" to manifold
pressure tap on gas valve.
Capacity Gas
Natural
All Sizes
LP /
Propane
NOTE: A natural to LP propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit installation
instruction for the conversion procedure.
2" Long Square Tubing
(remove for manifold adjustment)
Gas Valve Regulator
Vent Hose
(to burner box)
Barbed Fitting
Manifold Pressure in. w.g.
0-4500 ft. 4501-5500 ft.
3.5 3.3
10.0 9.4
Table 14. Manifold and Supply Line Pressure 0-10,000 ft.
10" Long
Square
Tubing
Measuring Device
2. Tee into the gas valve regulator vent hose and connect
to test gauge negative "-".
3. Start unit and let run for 5 minutes to allow for steady
state conditions.
4. After allowing unit to stabilize for 5 minutes, record
manifold pressure and compare to value given in Table
14.
5. Shut unit off and remove manometer as soon as an
accurate reading has been obtained. Take care to
remove barbed fitting and replace threaded plug.
6. Start unit and perform leak check. Seal leaks if found.
5501-6500 ft. 6501-7500 ft.
3.2 3.1
9.1 8.9
Negative Barbed Fitting
(remove for manifold adjustment)
(+)
(−)
Tee
Figure 51.
Page 44
Supply Line Pressure
in. w.g.
7501-10000 ft. 0-10,000 ft.
3.5 4.5
10.0 11.0
Manifold Pressure Outlet
13.0
13.0
31-5000729 Rev. 0