3
Indoor Unit Information
1. M22A and M33C Cassette Non-Ducted Indoor Units
1.1.
Model Number Identification
M 22 A 012 S 4 - 1 P
Unit Type
22 = 2x2 Cassette Non-Ducted Unit
33 = 3x3 Cassette Non-Ducted Unit
Series Type
M = Mini-Split
Voltage
P = 208/230V-1 phase-60hz
CASSETTE NON-DUCTED INDOOR UNITS
Cooling Efficiency
S = Standard Efficiency
Major Design Sequence
A = 1st Generation
B = 2nd Generation
C = 3rd Generation
Nominal Cooling Capacity
009 = .75 tons
012 = 1 tons
018 = 1.5 tons
024 = 2 tons
036 = 3 tons
048 = 4 tons
Refrigerant Type
4 = R-410A
Minor Design Sequence
1 = 1st Revision
2 = 2nd Revision
1.2.
M22A Indoor Unit Specifications
Model No.
M22A009S4-*P
M22A012S4-*P
M22A018S4-*P
Nominal Tons
0.75
1
1.5
Power Supply - 60 hz - 1 phase
208/230V
208/230V
208/230V
Rated load amps
0.9
1.0
1.5
Output (W)
46
46
46
Room Temperature
Range (°F)
Cooling
62 - 90
62 - 90
62 - 90
Heating
32 - 86
32 - 86
32 - 86
Air Volume - cfm (High/Medium/Low)
375/300/255
380/310/260
560/485/415
Sound Data (dBA) - Low/Medium/High
33/37/41
36/39/43
36/39/44
Piping Connections - Liquid/Gas - o.d. - flare - in.
1/4 / 3/8
1/4 / 1/2
1/4 / 1/2
Drain connection o.d. - in.
1
1
1
Net/Shipping weights - lbs.
Body
32 / 38
36 / 41
36 / 42