Binding The Pipes And Cables - Trane 17 Series Installer's Manual

disconnect before the indoor unit, then break all three legs between the outdoor unit and indoor
unit using a switch with current ratings suitable for use with these types of systems.
7. The system must be disconnected at the outdoor unit before performing service or maintenance
to avoid risk of electric shock or damage to equipment.
8. Terminal 2 carries communication signals and should not be cut or spliced. Do not use splices in
any wire between the indoor and outdoor unit.
a) If an external drain pump with a fl oat switch is utilized, power the drain pump from
terminals 1 and 3; the fl oat switch should be wired to break leg 3.
b) Do not break leg 1 or leg 2 with a fl oat switch.
9. The ground wire must connect directly from the outdoor unit to the indoor unit. To avoid
communication errors, do not connect the ground wire to the terminal block from any other
location.
Note: Field wiring colors indicated in this illustration are intended as an example and may diff er
based on the electrical contractor choice of wire colors.
Note: The wiring diagrams in this guide are included as a reference. The manufacturer has a
policy of continuous product and product data improvement and reserves the right to change
design and specifi cations without notice. Always check the unit nameplate and wiring diagram for
the actual unit requirements.

Binding the Pipes and Cables

Note: The refrigeration pipes shall be insulated separately to prevent heat transfer between the
two pipes.
1. At the beginning of the indoor connections, bind the insulated refrigerant pipes, power cable,
and drain hose by evenly wrapping them with an appropriate pipe tape.
2. When the drain hose needs to be separated from the binding towards the discharge point,
separate the power cable and drain hose from this binding.
3. Wrap and secure the drain hose connection at its end.
4. Evenly wrap the separately insulated liquid and gas pipes until they are close to the outdoor
connection.
5. Near the outdoor unit connection, separately wrap these pipes.
17 Series Mini-Split
Indoor models
09, 12, 18, 24K models:
1 2 3
blue black red
1 2 3
Field Wiring
Outdoor unit connection
Indoor Wiring Example
green