Lennox MLA030S4M Service Manual

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28. TemperatureSensorIdenticationTable
Table 14. TemperatureSensorIdenticationTable
Sensor Number Sensor Name
T1 IDReturnAir
T2 Indoor Coil
T3 OutdoorCoil
T4 ODambienttemp
T5 CompressorDischarge
29. Component Troubleshooting
29.1. Compressor Check
Measuretheresistancevalueofeachwindingbyusingthetester.Thiscanalsobeusedtocheckforshortedcompressor
windings,andidentifyingterminalswhentheyarenolongerlegible.
Figure 74. Compressor Terminals
Table 15. Model / Compressor Cross-Reference
ODU Model # Compressor Model # Blue - Red Blue - Black Red - Blue
MPA012S4S-1L
MPA012S4S-1P
ASM108D1UFZA 1.81Ω(20°C/68°F)
MPB009S4S-1L
MPB012S4S-1L
ASM98D32UFZ 2.25Ω(20°C/68°F)
MPB009S4S-1P ASN98D22UFZ 1.57Ω(20°C/68°F)
MPB012S4S-1P ASN98D22UFZ 2.25Ω(20°C/68°F)
MPA009S4S-1L
MPA009S4S-1P
ASM98D1UFZA 1.81Ω(20°C/68°F)
MPA018S4S-1P ASM135D23UFZ 1.75Ω(20°C/68°F)
MPB018S4S-1P ASM135D23UFZ 1.65Ω(20°C/68°F)
MPA024S4S-1P DA250S2C-30MT 0.55Ω(20°C/68°F)
MPB024S4S-1P ATF235D22UMT 0.75Ω(20°C/68°F)
MPA030S4S-1P TNB306FPGMC-L 0.53Ω(20°C/68°F)
MPB030S4S-1P ATF250D22UMT 0.65Ω(20°C/68°F)
MPA036S4S-1P TNB306FPGMC-L 0.53Ω(20°C/68°F)
MPB036S4S-1P ATF310D43UMT 0.65Ω(20°C/68°F)
MPA048S4S-1P MNB36FAAMC-L 0.44Ω(20°C/68°F)
MPB048S4S-1P ATQ420D1UMU 0.378Ω(20°C/68°F)
MPA018S4M-1P DA150S1C-20FZ 0.95Ω(20°C/68°F)
MPB018S4M-1P ATM150D23UFZ 1.72Ω(20°C/68°F)
MPA030S4M-1P DA250S2C-30MT 0.55Ω(20°C/68°F)
MPB030S4M-1P ATF235D22UMT 0.75Ω(20°C/68°F)
MPA036S4M-1P TNB306FPGMC-L 0.53Ω(20°C/68°F)
MPB036S4M-1P ATF310D43UMT 0.65Ω(20°C/68°F)
MPA048S4M-1P MNB36FAAMC-L 0.44Ω(20°C/68°F)
MPB048S4M-1P ATQ360D1UMU 0.37Ω(20°C/68°F)
MLA009S4S-1P
MLA012S4S-1P
ATM115D43UFZ2 1.87Ω

Lennox MLA030S4M Specifications

General

Brand	Lennox
Model	MLA030S4M
Category	Air Conditioner
Language	English