Hazardous Voltage; Installing Outdoor Unit - Trane 4MYW6-A Installer Manual

Recommended wire size
Models which power supplied from ODU to IDU (In this IOM are specific to all 60Hz models)
Note: Always refer to unit ID tag for additional information on Minimum Circuit Ampacity (MCA)
and Maximum Overload Protection (MOP).

Hazardous Voltage!

Disconnect all electric power, including remote disconnects before servicing. Follow
proper lockout/tagout procedures to ensure the power can not be inadvertently
energized. Failure to disconnect power before servicing could result in death or serious
injury.
1.
2.
3.
4.
5.
6.

Installing Outdoor Unit

Wiring
Hazardous Voltage!
Disconnect all electric power, including remote disconnects before servicing. Follow
proper lockout/tagout procedures to ensure the power can not be inadvertently
energized. Failure to disconnect power before servicing could result in death or serious
injury.
1.
2.
3.
4.
5.
Note:
Note:
MS-SVN22A-EN
Wire type
Power supply wire
Wires between IDU and ODU
WARNING
Open the front panel of the indoor unit by lifting upward.
Unscrew and remove the cover plate.
Pull the power connection cable through the back of the indoor unit.
Firmly attach the power connection cables to the terminal block in the indoor unit, making certain
to observe the proper terminal connections as shown on the unit wiring diagram.
Reattach the cover plate with the proper screws.
The electric wire must be tighten with the wire clip. And for the heat pump unit, the signal control
wire must be connected to the terminal board with the wire clip.
WARNING
Disassemble handle of right side plate or front side plate of outdoor unit.
Take off wire clamp, connect and
should match that of the indoor unit.
Attach the power wiring cord
clamp to attach
wire the signal control wire, then connect the corresponding connector.
Ensure if wire has been attached
Install handle or front side plate.
Incorrect wiring may cause system damage or malfunction
After attaching the cable, make certain there is adequate space between the connection
and the strain relief.
Wire size
AWG12
AWG14
attach power wiring co
with wire clamp, for cooling and heating unit, then use the
well.
rd to terminal Wiring
block.
13