Lennox MLA030S4M Service Manual

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6.3. MLA Multi-Zone System Combinations ....................................................................................................................... 40
7. Refrigeration Pipe Work ........................................................................................................ 41
7.1. MPAandMPBSingle-ZoneRefrigerantCycleDiagram ............................................................................................. 41
7.2. MPAandMPBTwo-ZoneRefrigerantCycleDiagram ................................................................................................. 41
7.3. MPAandMPBThree-ZoneRefrigerantCycleDiagram .............................................................................................. 42
7.4. MPAandMPBFour-ZoneRefrigerantCycleDiagram ................................................................................................ 42
7.5. MPAandMPBFive-ZoneRefrigerantCycleDiagram ................................................................................................ 43
7.6. Single-Zone Piping Limitations.................................................................................................................................... 44
7.7. Multi-Zone Piping Limitations ...................................................................................................................................... 44
8. Master Valves (3- to 5-Zone Outdoor Units) ........................................................................ 46
9. MPA, MPB and MLA Outdoor Unit Connections and Line Set Usage ............................... 47
10. Power Wiring for Outdoor and Indoor Units (Diagrams) ................................................... 52
11. Outdoor Unit Diagrams ......................................................................................................... 55
11.1. MPAandMPBSingle-Zone ........................................................................................................................................ 55
11.2. MLA Single-Zone......................................................................................................................................................... 61
11.3. MPAandMPBMulti-Zone ........................................................................................................................................... 62
11.4. MLAMulti-Zone ........................................................................................................................................................... 66
12. Indoor Unit Diagrams ............................................................................................................ 68
12.1. MWMAandMWMBIndoorUnit .................................................................................................................................. 68
12.2. M22AIndoorUnit ........................................................................................................................................................ 68
12.3. M33AandM33BIndoorUnit ....................................................................................................................................... 69
12.4. MMDAIndoorUnits ..................................................................................................................................................... 70
12.5. MCFAandMCFBIndoorUnits .................................................................................................................................... 72
13. Control Board Photos ........................................................................................................... 75
14. Condensate Pipe Work Installation ...................................................................................... 77
14.1. OutdoorUnitCondensatePiping ............................................................................................................................... 77
14.2. IndoorUnitGravityDrain............................................................................................................................................. 78
14.3. IndoorUnitLiftPump .................................................................................................................................................. 79
15. Controls .................................................................................................................................. 82
15.1. M0STAT60Q-1WirelessRemote ................................................................................................................................ 82
15.2. M0STAT61Q-1WiredRemote .................................................................................................................................... 85
16. Connection to Centralized Controller .................................................................................. 87
16.1. SetIndoorUnitAddressforCentralizedControl ......................................................................................................... 87
16.2. IndoorUnitConnectionPointsforCentralizedController ........................................................................................... 88
17. Indoor Unit Connection Points for ON/OFF Device ............................................................ 88
18. Indoor Unit Connection Points for Alarm Device ............................................................... 89
19. Start-Up ................................................................................................................................... 90
19.1. AddingRefrigerant-Single-ZoneSystems ................................................................................................................. 90
19.2. AddingRefrigerant-Multi-ZoneSystems ................................................................................................................... 90
19.3. OutdoorUnitSpotCheckFunction ............................................................................................................................. 91

Lennox MLA030S4M Specifications

General

Brand	Lennox
Model	MLA030S4M
Category	Air Conditioner
Language	English