32
FIGURES & TABLES
Figure 31.
A
34 1/2
17 1/4
10 1/4
22 1/4
22 1/2
2 3/4
22 1/2
22 1/4
25
17 7/16
29 1/2
17 1/4
22 1/2
25 3/8
Gas
(Ø 1 5/8)
T-stat
(Ø 7/8)
18 1/2
Front
Brace
LEFT SIDE
RIGHT SIDE
Electric
(Ø 7/8)
25 1/2
22 1/2
Gas (Ø 1 5/8)
Vent pipe
(Ø 3”)
Cond. (Ø 1 1/16)
B
19
FLANGES
C
Electric
(Ø 7/8)
Vent pipe
(Ø 3”)
Cond. (Ø 1 1/16)
FRONT VIEW
28
3
Flue
Combustion
Air
7 1/2
GDD92A & GDD95A DOWNFLOW FURNACES
DIM. -A- DIM. -B- DIM. -C-
GDD92A054B4XE
17 1/2 15 7/8 16 1/8
GDD95A054B4XE
GDD92A072B4XE
GDD95A072C5XE
21 19 3/8 19 5/8GDD92A090C5XE
GDD95A090C5XE
GDD92A120D5XE
24 1/2 22 7/8 23 1/8
GDD95A118D5XE
NOTE: Dimensions shown in inches.
9. Carefully remove the burner assembly from the furnace.
DO NOT DAMAGE THE IGNITER WHILE REMOVING
THE BURNER ASSEMBLY.
10. Inspect the burners for accumulated dust or debris.
If necessary carefully clean them with a soft wire
brush and a vacuum cleaner. DO NOT DAMAGE THE
IGNITER WHILE CLEANING THE BURNER.
11. Replace all the parts in reverse order from which they
were removed.
12. Follow the lighting instructions found on the furnace
door to return the furnace to operation. Verify proper
operation after servicing.
Check the inlet pipe (if applicable) and
outlet pipe to ensure they are not blocked by debris. Any
damaged section of vent pipe must be replaced, and
any obstruction or blockage must be removed prior to
operating the furnace.
The furnace
should operate for many years without soot buildup in the
flue passageways, however, the flue, vent system, and
burners should be inspected and cleaned (if required) by a
qualified service technician annually to ensure continued
safe operation. Pay attention to any deterioration from
corrosion or other sources.
WARNING:
The bearings in the blower motor and
inducer blower used in these furnaces are pre-lubricated
and sealed by the manufacturer. No further oiling of the
bearings is required for the life of the motor.
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