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2.  M22A, M33A and M33B Cassette Non-Ducted Indoor Units
2.1.  ModelNumberIdentication
M  22  A  012  S  4 - 1  P
Unit Type 
22=2x2CassetteNon-DuctedUnit 
33=3x3CassetteNon-DuctedUnit
Series Type 
M = Mini-Split
Voltage 
P=208/230V-1phase-60hz
CASSETTE NON-DUCTED INDOOR UNITS
CoolingEfciency 
S=StandardEfciency
Major Design Sequence 
A=1stGeneration 
B=2ndGeneration
Nominal Cooling Capacity 
009 = .75 tons 
012 = 1 tons 
018 = 1.5 tons 
024=2tons 
036 = 3 tons 
048=4tons
Refrigerant Type 
4=R-410A
Minor Design Sequence 
1=1stRevision 
2=2ndRevision
2.2.  M22AIndoorUnitSpecications
Model No. M22A009S4-*P M22A012S4-*P M22A018S4-*P
NominalTons 0.75 1 1.5
PowerSupply-60hz-1phase 208/230V 208/230V 208/230V
Ratedloadamps 0.9 1.0 1.5
Output(W) 46 46 46
RoomTemperature 
Range(°F)
Cooling 62 - 90 62 - 90 62 - 90
Heating 32 - 86 32 - 86 32 - 86
AirVolume-cfm(High/Medium/Low) 375/300/255 380/310/260 560/485/415
SoundData(dBA)-Low/Medium/High 33/37/41 36/39/43 36/39/44
PipingConnections-Liquid/Gas-o.d.-are-in. 1/4/3/8 1/4/1/2 1/4/1/2
Drainconnectiono.d.-in. 1 1 1
Net/Shippingweights-lbs. Body 32 / 38 36/41 36/42
REQUIRED COMPONENTS - ORDERED SEPARATELY
Cassette Panel 13X04(M0STAT62Q-1) 13X04(M0STAT62Q-1) 13X04(M0STAT62Q-1)
Net/Shippingweights-lbs. 6 / 10 6 / 10 6 / 10