Haier GE NF96UV Service Manual page 46

Proper Combustion
Furnace should operate minimum 15 minutes with correct
manifold pressure and gas flow rate before checking
combustion. Take combustion sample beyond the flue
outlet and compare to Table 14. The maximum carbon
monoxide reading should not exceed 100 ppm.
CO % for Nat
2
Model
Low Fire
-045 5.4 - 6.4
-070 5.3 - 6.3
-090 5.8 - 6.8
-110 6.1 - 7.1
-135 6.1 - 7.1
The maximum carbon monoxide reading should not exceed
100ppm.
Table 14.
NF96UV Gas
Natural
All Models
Lp/
Propane
NOTE - A natural to L.P. propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit installation
instruction for the conversion procedure.
Model
045
070
090
110
135
*Conversion requires installation of a gas valve manifold spring, which is provided with the gas conversion kit.
Pressure switch is factory set. No adjustment necessary. All models use the factory-installed pressure switch from 0-4500 feet (0-
1371 m).
Table 16. Conversion Kit Fan Pressure Switch Requirements at Varying Altitudes
CO % for LP
2
High Fire Low Fire High Fire
7.5 - 8.5 6.4 - 7.4 8.8 - 9.8
7.4 - 8.4 6.3 - 7.3 8.7 - 9.7
7.6 - 8.6 6.8 - 7.8 8.9 - 9.9
8.0 - 9.0 7.1 - 8.1 9.3 - 10.3
7.8 - 8.8 7.1 - 8.2 9.1 - 10.1
0 - 4500 ft. 4501 - 5500 ft.
Low High Low
Fire Fire Fire
1.7 3.5 1.6
4.9 10.0 4.6
Table 15. Manifold and Supply Line Pressure 0 - 10,000 ft.
Natural to LP/ High Altitude Natural
Propane Burner Orifice Kit
0 - 7500 ft 7501 - 10000 ft
(0 - 2286m) (2286 - 3048m)
11K48 *51W01
High Altitude
The manifold pressure, gas orifice and pressure switch
may require adjustment or replacement to ensure proper
operation at higher altitudes. See Table 15 for manifold
pressures. See Table 16 for gas conversion and pressure
switch kits.
Manifold Pressure in w.g.
5501 - 6500ft. 6501 - 7500ft.
High Low High
Fire Fire Fire
3.3 1.5 3.2
9.4 4.4 9.1
High Altitude LP/
Propane Burner
Orifice Kit
7501 - 10000 ft
(2286 - 3048m)
11K47
Page 46
7501-10000ft.
Low High Low
Fire Fire Fire
1.5 3.1 1.7
4.3 8.9 4.9
High Altitude Pressure switch
4501 - 7500 ft
(1371 - 2286m)
14A47
14A54
14A57
14A46
14A49
Supply Line
Pressure in
w.g.
0 - 10000 ft.
High
Min. Max.
Fire
3.5 4.5 13.0
10.0 11.0 13.0
7501 - 10000 ft
(2286 - 3048m)
14A50
14A53
14A54
14A51
14A51
31-5000726 Rev. 0