Control Power Transformer; Thermostat Location - Trane Axiom GEH Series Installation, Operation And Maintenance Manual

Installation
A field supplied disconnect switch must be installed at or
near the unit in accordance with the National Electric Code
(NEC latest edition).
Location of the applicable electric service entrance for
HIGH (line voltage) may be found in the Dimensions
section of this manual.
The high-voltage connection is made at the 1K1 contactor
or 1TB power block inside the unit control box (See the
figure below). Refer to the customer connection diagram
that is shipped with the unit for specific termination points.
Provide proper grounding for the unit in accordance with
the local and national codes.
Figure 51. Power wiring example

Control Power Transformer

The 24 V control power transformers are to be used only
with the accessories called out in this manual. A 50 VA
transformer is externally fused. Transformers rated greater
than 50 VA are equipped with circuit breakers. If a circuit
breaker trips, turn OFF all power to the unit before
attempting to reset it.
52
WARNING
Hazardous Voltage!
Failure to disconnect power before servicing could
result in death or serious injury.
Disconnect all electric power, including remote
disconnects before servicing. Follow proper lockout/
tagout procedures to ensure the power can not be
inadvertently energized. Verify that no power is
present with a voltmeter.
The transformer is located in the control panel.

Thermostat Location

Figure 52. Thermostat/sensor location
Location of the thermostat or zone sensor is an important
element of effective room control.
Areas where the thermostat or zone sensor should not be
located include:
• Behind doors or corners
• Near hot or cold air ducts
• Near radiant heat (heat emitted from appliances or the
sun)
• Near concealed pipes or chimneys
• On outside walls or other non conditioned surfaces
• In airflows from adjacent zones or other units.
WSHP-SVX01AC-EN