Lennox MLA012S4S-1P User Manual

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1.11. MLAMulti-ZoneSpecicationsOutdoorUnits(1.5-3Ton)
Nominal Size - Tons 1.5 2.5 3
Outdoor Unit Model No. MLA018S4M MLA030S4M MLA036S4M
Number of Zones 2 Up to 3 Up to 4
1
AHRI Ratings SystemType Ducted Non-Ducted Ducted Non-Ducted Ducted Non-Ducted
Cooling-Btuh 18,000 19,000 27,000 28,000 35,000 36,000
HighTemperatureHeating-Btuh 18,000 20,000 27,000 28,000 35,000 36,000
LowTemperatureHeating-Btuh 11,800 12,600 16,600 18,000 24,400 23,200
SEER 16.8 21.5 17.6 22 17 21.5
EER 11.3 12.5 10.8 13 10.8 13.5
HSPF(RegionIV) 8.6 9.8 9.1 10.4 9.2 10.5
AHRIReferenceNumber 9920052 9920051 9920053 9920054 9920056 9920055
Energy Star No Yes No Yes No Yes
Ambient Temperature Range - °F Cooling –22 - 122 –22 - 122 –22 - 122
Heating –22 - 86 –22 - 86 –22 - 86
Sound Data (dBA) Cooling 63.4 62.3 64
Heating 63.4 62.3 64
Refrigerant Chargefurnished(R-410A) 6lbs.3oz. 6lbs.10oz. 10lbs.2oz.
Maximumlinelengthwithfurnishedcharge(perzone)-ft. 25 25 25
Additionalchargerequiredperft.-oz. 0.161 0.161 0.32
Compressor No.andType Rotary Rotary Twin-Rotary
Refrigerantoiltype POEVG74 POEVG74 ESTEROILVG74
Refrigerantoilcharge-oz. 22.7 33.8 47.3
Connections - in. Liquid+Gaspipe(are) (2)1/4+(2)3/8 (3)1/4+(3)3/8 (3)1/4liq.+(3)3/8gas
(1)1/4liq.+(1)1/2gas
Maximumlengthforallrooms-ft. 148 197 246
Maximumlengthforoneindoorunit-ft. 82 98 98
Maximumheight
differencebetween
indoor unit and outdoor
unit
OutdoorunitABOVE
indoor unit - ft.
33 33 33
OutdoorunitBELOW
indoor unit - ft.
49 49 49
Maximumdifferenceinlevelbetweenindoorunits-ft. 33 33 33
Outdoor
Fan
(No.)Diameter-in. 20 20 (2) 22
Totalairvolume-cfm 2130 2355 (2)4470
rpm 150/200/250/300/400/500/6
00/750/900/10,000
150/200/250/300/400/500/6
00/750/900/10,000
150/200/250/300/400/500/6
00/700/800/870
Outdoor Coil Numberofrows 2 2 2
Finsperinch 17 19 18
Fintype Hydrophilicaluminium
Tubeoutsidediameter-in. 3/8 3/8 3/8
Tubetype Riedcoppertubing
Net face area - ft.2 8.24 8.16 13.40
Design Pressure PSIG 550/340 550/340 550/340
Shipping Data Net/Shippingweight(lbs.) 150 / 161 157 / 168 224/255
ELECTRICAL DATA
Electrical Characteristics - 60 Hz - 1 Phase 208/230V 208/230V 208/230V
2
MaximumOvercurrentProtection(amps) 25 40 50
3
Minimum circuit ampacity 19 27 35
CompressorRatedloadamps 20 22 21
Outdoor Fan Motor Ratedloadamps 0.9 1.3 (2) 0.39
Output-W 120 120 (2) 85
NOTE-PerAHRI,thecertiedratingsforsystemsarevalidforallcombinationsofindoorunitswiththespecicoutdoorunitslistedaboveandintheAHRIDirectoryof
CertiedEquipment.Pleasevisithttp://www.ahridirectory.orgforfurtherdetailsandlatestupdates.
1
RatingsareAHRIcertiedtoAHRIStandard1230-2010withAddendum2;
•CoolingRatings-80°Fdrybulb/67°Fwetbulbenteringindoorcoilairand95°Fdrybulb/75°Fwet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.
NOTE-Extremesofoperatingrangeareplusandminus10%oflinevoltage.
2
HACRtypecircuitbreakerorfuse.
3
RefertoNationalorCanadianElectricalCodemanualtodeterminewire,fuseanddisconnectsizerequirements.
NOTE-Adaptorsarefurnishedforthegaspipeconnections:
018 - (2) 3/8 x 1/2 in.
030 - (3) 3/8 x 1/2 in.

Lennox MLA012S4S-1P Specifications

General

Brand	Lennox
Model	MLA012S4S-1P
Category	Air Conditioner
Language	English