Trane TAMXB0A24V21DB Installation, Operation And Maintenance Manual page 36

E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e
Table 20. Link Communicating Low Voltage Hook-Up Diagrams
Note:
* —Accessory terminals are dry contact outputs only.
+ —R connection to the outdoor unit is required only in applications utilizing an outdoor loadshed device or when using SmartCharge.
** —B connection to the outdoor unit is optional for 2 wire outdoor applications, but is recommended in other applications.
*** —DATA (Brown) wire only used in Clii mode.
—Wire colors are for illustration purposes only. If using a different color, ensure it lands at the correct terminal throughout all of the
communicating control wiring.
—Drawing is for reference only - wiring can be done many different ways.
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Wire Colors
R
DH
DL
B
Red
White
Green
Blue
18-GJ89D1-1F-EN