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3.  MMDA Ducted Indoor Units
3.1.  ModelNumberIdentication
M  MD A  012  S  4 - 1  P
Unit Type 
MD=MediumStaticDuctedUnit
Series Type 
M = Mini-Split
Voltage 
P=208/230V-1phase-60hz
CoolingEfciency 
S=StandardEfciency
Major Design Sequence 
A=1stGeneration 
B=2ndGeneration
Refrigerant Type 
4=R-410A
Minor Design Sequence 
1=1stRevision 
2=2ndRevision
Nominal Cooling Capacity 
009 = .75 tons 
012 = 1 tons 
018 = 1.5 tons 
024=2tons 
036 = 3 tons 
048=4tons
3.2.  IndoorUnitSpecications
Model No. MMDA009S4-*P MMDA012S4-*P MMDA018S4-*P
NominalTons 0.75 1 1.5
PowerSupply-60hz-1phase 208/230V 208/230V 208/230V
Ratedloadamps 0.9 1 1.5
Output(W) 55 55 90
RoomTemperature 
Range(°F)
Cooling 62 - 90 62 - 90 62 - 90
Heating 32 - 86 32 - 86 32 - 86
AirVolume-cfm(High/Medium/Low) 335/290/240 370/320/260 520/430/360
ExternalStaticPressure(in.w.g) 0 - 0.18 0 - 0.18 0 - 0.28
SoundData(dBA)-Low/Medium/High 31/35/38 31/37/44 37/39/41
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. 40/51 42/52 51 / 61
Model No. MMDA024S4-*P MMDA036S4-*P* MMDA048S4-*P*
NominalTons 2 3 4
PowerSupply-60hz-1phase 208/230V 208/230V 208/230V
Ratedloadamps 2 1.5 1.8
Output(W) 90 150 240
RoomTemperature 
Range(°F)
Cooling 62 - 90 62 - 90 62 - 90
Heating 32 - 86 32 - 86 32 - 86
AirVolume-cfm(High/Medium/Low) 820/620/520 1120/940/680 1470/1180/940
ExternalStaticPressure(in.w.g) 0-0.40 0-0.40 0-0.40
SoundData(dBA)-Low/Medium/High 43/48/53 47/51/53 46/49/52
PipingConnections-Liquid/Gas-o.d.-are-in. 3/8 / 5/8 3/8 / 5/8 3/8 / 5/8
Drainconnectiono.d.-in. 1 1 1
Net/Shippingweights-lbs. 58 / 69 77 / 92 95/114