Mwma And Mwmb Wall Mounted Indoor Units; Model Number Identification; Indoor Unit Specifications (009 - 012 Ton) Units; Indoor Unit Specifications (018 - 030 Ton) Units - Lennox MPA009S4S Service Manual

4. MWMA and MWMB Wall Mounted Indoor Units

4.1. Model Number Identification
Series Type
M = Mini-Split
WM = Wall-Mounted Non-Ducted Unit
Major Design Sequence
4.2. Indoor Unit Specifications (009 - 012 Ton) Units
Power Supply - 60 hz - 1 phase
Room Temperature
Range (°F)
Air Volume - cfm (High/Medium/Low)
Sound Data (dBA) - Low/Medium/High
Piping Connections - Liquid/Gas - o.d. - flare - in.
4.3. Indoor Unit Specifications (018 - 030 Ton) Units
Room Temperature
Range (°F)
Piping Connections - Liquid/Gas - o.d. - flare - in.
M WM A 012 S 4 - 1 P
Unit Type
A = 1st Generation
B = 2nd Generation
Nominal Cooling Capacity
009 = .75 tons
012 = 1 tons
018 = 1.5 tons
024 = 2 tons
030 = 2.5 tons
Model No.
Nominal Tons
Rated load amps
Output (W)
Cooling
Heating
Drain connection o.d. - in.
Net/Shipping weights - lbs.
Model No.
Nominal Tons
Power Supply - 60 hz - 1 phase
Rated load amps
Output (W)
Air Volume - cfm (High/Medium/Low)
Sound Data (dBA) - Low/Medium/High
Drain connection o.d. - in.
Net/Shipping weights - lbs.
Cooling Efficiency
S = Standard Efficiency
MWMA009S4-*L MWMA009S4-*P
MWMB009S4-*L MWMB009S4-*P
0.75
115V 208/230V
0.25
20
62 - 90 62 - 90
32 - 86 32 - 86
365/265/195 370/270/195
24/33/42 26.5/33.4/41.7
1/4 / 3/8 1/4 / 3/8
1
20 / 26 20 / 26
MWMA018S4-*P
MWMB018S4-*P
1.5
208/230V
0.13
58
Cooling 62 - 90
Heating 32 - 86
530/410/295
30.9/36.3/46.2
1/4 / 1/2
1
27 / 35
30
Voltage
L = 115V-1 phase-60hz
P = 208/230V-1 phase-60hz
Minor Design Sequence
1 = 1st Revision
2 = 2nd Revision
Refrigerant Type
4 = R-410A
MWMA012S4-*L
MWMB012S4-*L
0.75 1
115V
0.06 0.25
20 20
62 - 90
32 -86
365/265/195
24/33/42
1/4 / 1/2
1 1
20 / 26
MWMA024S4-*P
MWMB024S4-*P
2
208/230V
0.3
60
62 - 90
32 - 86
695/625/485
35.1/44.5/51.7
3/8 / 5/8
1
40 / 54
MWMA012S4-*P
MWMB012S4-*P
1
208/230V
0.06
20
62 - 90
32 - 86
370/275/200
28.6/35.8/45.1
1/4 / 1/2
1
20 / 27
MWMA030S4-*P*
MWMB030S4-*P*
2.5
208/230V
0.5
60
62 - 90
32 - 86
795/645/500
37.5/42/49
3/8 / 5/8
1
40 / 51