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• Cut combustion air inducer tubing from 9" to 5" to avoid
interference with inducer motor.
Figure 17. Upflow Position
Right Side Vent Discharge
• Disconnect pressure switch hose from barbed fitting on the
pressure switch assembly. Remove pressure switch assembly
(1 screw) and cut wire tie to free pressure switch wires. Reinstall
pressure switch on the other side of orifice plate and reconnect
pressure switch hose.
• Resecure pressure switch wires: Either pull excess wires
through the blower compartment and secure using supplied
wire tie, or coil excess wire and secure to the gas manifold.
Figure 18. Horizontal Left Position
Top Vent Discharge
Page 12 of 36
• Cut combustion air inducer tubing from 9" to 7" to avoid
interference with inducer motor.
• Disconnect pressure switch hose from barbed fitting on the
pressure switch assembly. Remove pressure switch assembly
(1 screw) and cut wire tie to free pressure switch wires. Reinstall
pressure switch on the other side of orifice plate and reconnect
pressure switch hose.
• Resecure pressure switch wires: Either pull excess wires
through the blower compartment and secure using supplied
wire tie, or coil excess wire and secure to the gas manifold.
Figure 19. Horizontal Left Position
• Gas supply piping must be brought into the unit from the bottom
in order to accommodate the flue pipe.
• Cut combustion air inducer tubing from 9" to 8" to avoid
interference with inducer motor.
• Remove make-up box assembly (2 screws) and cut wire tie to
free make-up box wires. Reinstall make-up box on other side
of cabinet.
• Resecure make-up box wires: Either pull excess wires through
the blower compartment and secure using supplied wire tie, or
coil excess wire and secure to the gas manifold.
Figure 20. Horizontal Right Position
Issue 2209
Side Vent Discharge
Top Vent Discharge
507330-03G / 31-5000662
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