Trane 4MYW5-A Installer Manual page 23

Wiring Diagrams
Figure12. 4TYK5518AB 4TYK5524AB (Cooling only outdoor units)
Recommended wire size
1. Models which power supplied from ODU to IDU (In this IOM are specific to all 60Hz models)
Wire type
Power supply wire
Wires between IDU and ODU
2. Models which power supplied from IDU to ODU (In this IOM are specific to all 50Hz models)
Wire type
Power supply wire
Wires between IDU and ODU
Wire size Description of the wire size
AWG12 Single wire copper core outer diameter about 2.05mm
AWG18 Single wire copper core outer diameter about 1.02mm
Wire size Description of the wire size
AWG12 Single wire copper core outer diameter about 2.05mm
AWG12 Single wire copper core outer diameter about 2.05mm