MG3P Technical Specs

3
GAS FURNACE COMPONENTS
A
23 1/2
C
34 1/2
22 1/2
2 3/4
Bottom
Panel
25 3/8
22 1/2
17 1/4
17 7/8
28
B
19
22 1/2
24 7/8
15
23
1 1/4
Front Brace
BOTTOM VIEW
TOP VIEW
4 Knockouts
(both sides)
1
LEFT SIDE
RIGHT SIDE
3 1/4
3
Gas (Ø 1 5/8)
T-stat
(Ø 7/8)
Electric (Ø 7/8)
Vent pipe
(Ø 3”)
Cond. (Ø 1 1/16)
T-stat
(Ø 7/8)
Electric
(Ø 7/8)
Gas
(Ø 1 5/8)
Condensate
(Ø 1 1/16)
Vent pipe
(Ø 3”)
Flue
FRONT VIEW
Combustion
Air
FLANGES
DIMENSIONS
Model #’s
Dimension
“A”
Dimension
“B”
Dimension
“C”
-054U1AAB1
17 ½ 15 ⅞ 16 ⅛
-072U1AAC1
21
19 ⅜ 19⅝
-090U1AAC1
-108U1AAD1
24 ½ 22 ⅞ 23 ⅛
Upflow/Horizontal Gas Furnace
ITEM
COMPONENT NAME
1.
Blower Assembly
2.
Blower Door Switch
3.
Burner Assembly
4.
Control Board
5.
Finish Flange
6.
Flame Sensor
7.
Gas Manifold
8.
Gas Valve
9.
Igniter
10.
Inducer Assembly
11.
Limit Switch
12.
Main Air Limit Switch
13.
Pressure Switch(s)
(‘B’, ‘C’, & ‘D’ cabinets only)
14.
Roll-Out Switch(s)
15.
Transformer
9
4
10
12
15
14
2
6
3
7
8
1
11
13
5