Lennox MHA Series Service Manual

5
1.5. Indoor Unit Wall Mounts
MWCA009S4
Right Rear Hole
2-1/2 in. (64 mm)
diameter
Left Rear Hole
2-1/2 in. (64 mm)
diameter
Wall-Mount
Unit Outline
1-1/2 (38)
2 (51)
13-3/4 (349)
7 (178)
5-3/8
(136)
28-1/2 (724)
4
(102)
11-3/8 (289)
1-7/8
(48)
Figure 2. 9K Indoor Unit Wall Plate Dimensions -
Inches (mm)
MWCA012S4
Right Rear Hole
2-1/2 in. (64 mm)
diameter
Left Rear Hole
2-1/2 in. (64 mm)
diameter
Wall-Mount
Unit Outline
1-3/4 (44)
1-3/4 (44)
16-3/4 (425)
9-1/8 (232)
5
(127)
31-5/8 (803)
7-1/2
(191)
11-3/4 (298)
1-3/4
(44)
Figure 3. 12K Indoor Unit Wall Plate Dimensions -
Inches (mm)
MWCA018S4
Left Rear Hole
2-1/2 in. (64 mm)
diameter
Right Rear Hole
2-1/2 in. (64 mm)
diameter
20-3/8 (518)
5-5/8
(143)
Wall-Mount
Unit Outline
2-1/4 (57)
38 (965)
12-1/2 (318)
2-1/4
(57)
5-3/8 (137)
6-3/4 (171)
2-3/8 (60)
Figure 4. 18K Indoor Unit Wall Plate Dimensions -
Inches (mm)
MWCA024S4
Left Rear Hole
2-1/2 in. (64 mm)
diameter
Right Rear Hole
2-1/2 in. (64 mm)
diameter
21-3/4 (553)
11-7/8
(301)
Wall-Mount
Unit Outline
2-1/8 (54)
42-1/2 (1080)
13-1/4 (337)
1-7/8
(48)
6-7/8 (175)
8-5/8 (219)
1-7/8 (48)
Figure 5. 24K Indoor Unit Wall Plate Dimensions -
Inches (mm)
1.6. Indoor/Outdoor Matches
Indoor Unit Type Outdoor Unit Indoor Unit
Cooling
Capacity
SEER EER
Heat Capacity
HSPF
(IV)
AHRI
Reference
High Low
Wall-MountedNon-
Ducted
MHA009S4S-1L MWHA009S4-1L 9000 19 11.5 10,000 6000 10 204014488
MHA009S4S-1P MWHA009S4-1P 9000 18 11 9000 6000 9.5 204014490
MHA012S4S-1L MWHA012S4-1L 12,000 19 10.5 12,000 7500 9.5 204014489
MHA012S4S-1P MWHA012S4-1P 12,000 19 11 12,000 6800 9.5 204014491
MHA018S4S-1P MWHA018S4-1P 18,000 19 11 18,000 11,000 10 204014492
MHA024S4S-1P MWHA024S4-1P 24,000 17 9.5 24,000 14,400 9.5 204014493
• RatingsareAHRIcertiedtoAHRIStandard210/240;
• CoolingRatings-80°Fdrybulb/67°Fwetbulbenteringindoorcoilairand95°Fwetbulb/75°Fdrybulboutdoorairtemperature.
• HighTemperatureHeatingRatings-70°Fdrybulb/60°Fwetbulbenteringindoorcoilairand47°Fdrybulb/43°Fwetbulboutdoorairtemperature.
• LowTemperatureHeatingRatings-70°Fdrybulb/60°Fwetbulbenteringindoorcoilairand17°Fdrybulb/15°Fwetbulboutdoorairtemperature.
• ToconvertHSPFfromRegionIVtoRegionV-Divideby1.15.

Lennox MHA Series Specifications

General

Brand	Lennox
Model	MHA Series
Category	Air Conditioner
Language	English