Trane 4TXM2318BF300AA Service Manual page 97

3. Wiring method of outdoor unit:
• Power line
Remove the repair board of the outdoor unit and loosen the wire cover A,then put the live wire, neutral wire and
grounding wire through the wire cover ,and connect them to terminal block correspondingly. After connection,
fasten wire cover to its previous state.
• Communication wire of indoor unit.
Loosen wire cover , put the communication wire through the wire cover B, and connect them to terminal block
correspondingly. After connection, fasten wire cover B to its previous state.
Note:
Power line and communication wire are provided by consumers themselves.
4. Wiring method of indoor unit
Loosen wire cover and connect the power line and communication wire of indoor unit to the terminal correspondingly.
Note:
When connecting power line to power supply terminal, please pay attention to the following items:
• Do not connect the power line with different dimensions to the same connection wire end. Improper contact will
cause heat generation.
• Do not connect the power line with different dimensions to the same grounding wire end. Improper contact will
affect protection.
• Do not connect the power line to the connecting end of communication wire. Incorrect connection will cause
damage to the connected unit.
5. Example wiring diagram.
Wiring diagram please refers to 5U34HS1ERA
25.40 0 –¨
25.40 0 –¨
95
Super Match
Super Match