Thermo Pride MHA1-50N Installation And Service Manual page 60

All installations and services must be performed by qualified service personnel.
APPENDIX G: MID-EFFICENCY FURNACE SPECIFICATIONS
MID-EFFICIENCY HIGHBOY GAS FURNACE SPECIFICATIONS
Model NO.
Heat input rate (BTUH)
Heating capacity (BTUH)
Nominal temp. rise
Heating fan speed
Burner orifice size for nat. gas
Burner orifice size for L.P. gas
AFUE %
Height of casing
Width of casing
Depth of casing
2
Warm air outlet
2
Return air inlet
Approx. shipping weight
Dia. of flue (vertical vent)
Dia. of flue (sidewall vent)
CFM @ .2" & .5" W.C. external
static pressure
@HI speed
@MH speed
@ML speed
@LO speed
Blower motor type & frame
Blower motor nominal HP
Blower motor full load amps
Motor shaft diameter
Direction of rotation (shaft end)
No. of speeds
Run capacitor
Blower size
Size of filters
Largest recommended air
4
conditioner
Electrical power requirements
Min. Fuse size
Filter Rack
2
Flange dimensions
NOTES:
1. BTU output based on annual fuel utilization efficiency rated by manufacturer.
2. On all outlet and inlet dimensions, the first dimension is width.
3. The MHA1/MDA1 furnaces are approved for sidewall venting using only an approved sidewall power venter. Refer to Side
Wall Venting section of the Installation and service manual provided with the furnace for additional information.
4. To permit largest recommended air conditioning (at .5 static pressure), selection of the highest motor speed is required.
5.
All specifications are subject to change without notice.
MHA1-50
50,000
1
40,000
LOW
80.0
17"
15" x 18"
25" x 16"
131 LBS
3"
3
3"
.2" .5"
950 830
860 740
-
580 440
1/5
3.25
3
10 mfd
370 VAC
10-7 R DD
(1) – 1" x 24 ¾" x
15 ¾"
2 Ton
15 AMP
ACCESSORY ITEMS
AOPS 7547
24-1/2" X 15"
5
MHA1-75
75,000
59,000
70°F
LOW
0.0935" (#42)
0.0591" (1.5 mm)
80.0
44-1/4"
17"
27 ½"
15" x 18"
25" x 16"
143 LBS
4"
4"
.2" .5"
1495 1335
1205 1125
- 920 865
750 700
Permanent split capacitor, air over, 48 Y
1/3
6.0
Clockwise
4
10 mfd
370 VAC
10-9 R DD
(1) – 1" x 24 ¾" x
15 ¾"
3.5 Ton
115 volts, 60 Hz., 1 phase
15 AMP
AOPS 7547
24-1/2" X 15"
56
MHA1-100
100,000
79,000
LOW
80.0
21"
19" x 18"
25" x 16"
170 LBS
4"
4"
.2" .5"
1795 1560
1590 1410
1410 1290
1240 1160
1/2
8.0
½"
4
10 mfd
370 VAC
10-9 R DD
(1) – 1" x 24 ¾" x
15 ¾"
4 Ton
15 AMP
AOPS 7547
24-1/2" X 15"
MHA1-125
125,000
99,000
LOW
80.0
24"
22" x 18"
25" x 16"
186 LBS
4"
4"
.2' .5"
2245 1970
1885 1710
1605 1510
1350 1300
3/4
11.0
4
15 mfd
440 VAC
10-9 R DD
(1) – 1" x 24 ¾"
x 19 ¾"
5 Ton
20 AMP
AOPS 7375
24" X 19"