Trane R-410A Split System

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)LJXUH 4MYW5509A14TYK5509A1

)LJXUH 4MYW5512A1 4TYK5512A1

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Warnings, Cautions and Notices2
Environmental Concerns2
Warnings: R410A Refrigerant under Higher Pressure than R223
Table of Contents4
Specifications - 60Hz Heat Pump Models5
Specifications - 60Hz Cooling Only Models7
Specifications - 50Hz Heat Pump Models9
Specifications - 50Hz Cooling Only Models11
Piping Specifications13
Capacity Variation Ratio According to Pipe Length15
System Diagram16
Indoor Unit16
Outdoor Unit16
Electrical Characteristics17
Dimensions - Indoor Units18
Dimensions - Outdoor Units19
Capacity Tables20
Wiring Diagrams - 4MYW5509A1 4TYK5509A128
Wiring Diagrams - 4MYW5512A1 - 4TYK5512A128
Wiring Diagrams - 4MYW5518A1 4TYK5518A129
Wiring Diagrams - 4MYW5524A1 4TYK5524A129
Wiring Diagrams - 4MXW5509A1 4TXK5509A130
Wiring Diagrams - 4MXW5512A1 4TXK5512A130
Wiring Diagrams - 4MXW5518A1 4TXK5518A131
Wiring Diagrams - 4MXW5524A1 4TXK5524A131
Air Velocity Distribution32
Sound Level33
Operating Functions34
Operation of Remote Controller34
Temperature Parameters34
Fundamental Functions - Cool Mode34
Dry Mode35
Heat Mode35
The Condition and Process of Defrosting36
Fan Mode36
Auto Mode36
Mode Selection36
Other Control36
Temp Setting Button37
Auto Key37
Timer Control37
Sleep Control37
Indoor Fan Control38
Swing Control38
Common Protection Function in each Mode38
Overload Protection38
Compressor Discharge Temperature Protection39
Communication Malfunction39
Module Protection39
Disassembly Procedures40
Removal Procedure of Indoor Unit40
External Features40
Removing Air Filters40
Opening and Shuttingfront Panel41
Opening and Closing of Service Cover42
Removal of Front Grille Assembly42
Remove the Vertical Blade43
Remove Electrical Box44
Remove the Shield Plate46
Disconnect the Refrigerant Piping49
Remove the Indoor Unit50
Remove Cross Flow Fan Fan Motor52
Remove Ring of Bearing52
Remove Cross Flow Fan and Motor Sub-Assy Screw52
Remove Motor Sub-Assy53
Remove Fan Motor53
Removal Procedure of Outdoor Unit54
Outdoor Unit Features54
Removing Air Filters (Outdoor Unit)54
Remove the Fan Motor55
Remove the Electrical Box56
Remove the Partition Plate56
Remove the Sound Blanket57
Remove the Partition Plate (Outdoor Unit)57
Remove Compressor58
Troubleshooting59
Air Conditioner Cannot Start up59
Troubleshooting Chart60
Compressor Is too Hot63
Malfunction Display Section64
9, 12 MBH - 60 and 50 Hz (no LED Lights on Outdoor PCB)64
18, 24 MBH - 60 and 50 Hz65

Table of Contents

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