Amana GUCA045AX30 Service Instructions Manual page 8

40" 90% condensing gas furnaces guca, gcca & accessories
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28 3/4
3/4
20 1/4
HIGH VOLTAGE
ELECTRICAL HOLE
LOW VOLTAGE
ELECTRICAL HOLE
2 5/8
LEFT SIDE
DRAIN LINE
HOLES
4 1/8
18 5/8
UNFOLDED FLANGES
20 5/32
FOLD ED FLANGES
AIR
DISCHARGE
Cabinet
Units
A
Size
045__30
Small
16-1/2
070__30
070__40
Medium
20-1/2
090__40
090__50
Large
24-1/2
115__50
NOTES:
1. Installer must supply one or two PVC pipes: one
for combustion air (optional) and one for the flue
outlet (required). Vent pipe must be either 2" or 3"
in diameter, depending upon furnace input, num-
ber of elbows, length of run and installation (1 or
2 pipes). The optional Combustion Air Pipe is
dependent on installation/code requirements and
must be 2" or 3" diameter PVC.
2. Line voltage wiring can enter through the right or
left side of the furnace. Low voltage wiring can
enter through the right or left side of furnace.
3. Conversion kits for high altitude natural gas op-
eration are available. Contact your Amana dis-
tributor or dealer for details.
8
Rev. 0
PRODUCT IDENTIFICATION
GCCA
3/4
2 1/2
AIR INTAKE PIPE
2" PVC
1 3/4
40
28 5/16
DRAIN
TRAP
32 3/16
L
C
11 1/2
9 13/16
UNFOLDED FLANGES
D
B
C
Unfolded
15
12-3/8
13-1/2
19
16-3/8
17-1/2
23
20-3/8
21-1/2
All dimensions are in inches.
MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS
POSITION*
Counterflow
Horizontal
* = All positioning is determined as installed unit is viewed from the front.
C = If placed on combustible floor, floor MUST be wood ONLY.
NC = For installation on non-combustible floors only. A combustible floor subbase
must be used for installations on combustible flooring.
A
B
3/4
(RETURN)
2 1/16
C
CONDENSATE
DRAIN TRAP
w/ 3/4" PVC
DISCHARGE
(RIGHT OR
LEFT SIDE)
17 15/16
30 11/16
2
D
E
FOLDED FLANGES
DISCHARGE
E
Folded
15
19
23
(INCHES)
SIDES
FRONT
REAR
0
3
6
3
4. Installer must supply following gas line fittings, accord-
ing to which entrance is used:
Right -- Two 90º Elbows, one close nipple, straight pipe
Left -- Straight pipe to reach gas valve
ACCESSIBILITY CLEARANCES (MINIMUM):
36" at front is required for servicing or cleaning.
NOTE: In all cases, accessibility clearance shall take
precedence over clearances from the enclosure where
accessibility clearances are greater.
VENT/FLUE PIPE
2" PVC
1 3/4
28 5/16
2 11/16
2 5/8
19 7/8
15 1/2
11 5/8
9 3/4
AIR
DISCHARGE
TOP
BOTTOM
0
1
NC
0
6
C
FLUE
0
0

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