Optional Control And Output Circuits; Optional Tracer Communication Interface; Unit Start-Up/Commissioning; Starter Module Configuration - Trane CVHE Installation, Operation And Maintenance Manual

probe lead leaving equal lengths of wire on each device:
the sensor probe and the sensor module.
Note: This sensor and module are matched and must
remain together or inaccuracy may occur.
These wires can then be spliced with two 14–18 AWG600V
wires of sufficient length to reach the desired outdoor
location with a maximum length 1000 feet (304.8 meters).
The module four-wire bus must be connected to the
control panel four-wire bus using the Trane-approved
connectors provided.
The sensor will be configured (given its identity and
become functional) at start-up when the Trane service
technician performs the start-up configuration. It will NOT
be operational until that time.
Note: If shielded cable is used to extend the sensor leads,
be sure to cover the shield wire with tape at the
junction box and ground it at the control panel. If
the added length is run in conduit, do not run them
in the same conduit with other circuits carrying 30
or more volts.
Important: Maintain at least 6 in. (16 cm) between low-
voltage (<30V) and high voltage circuits.
Failure to do so could result in electrical
noise that may distort the signals carried by
the low-voltage wiring, including the IPC.

Optional Control and Output Circuits

Install various optional wiring as required by the owner's
specifications (see Table 17, p.

Optional Tracer Communication Interface

This control option allows the control panel to exchange
information—such as chiller status and operating set
points—with a Tracer system.
Note: The circuit must be run in separate conduit to
prevent electrical noise interference.
Additional information about the Tracer Communication
interface option is published in the installation and
operation guide that ships with the Tracer.

Unit Start-up/Commissioning

Important: Start-up must be performed by Trane or an
agent of Trane specifically authorized to
perform start-up and warranty of Trane
products. Contractor shall provide Trane (or
an agent of Trane specifically authorized to
perform start-up) with notice of the
scheduled start-up at least two weeks prior
to the scheduled start-up.
CVHE-SVX02H-EN
53).
®
System Control Circuit Wiring (Field Wiring)

Starter Module Configuration

The starter module configuration settings will be checked
(and configured for Remote Starters) during start-up
commissioning.
Note: To configure starter modules, and perform other
starter checks, it is recommended that the line
voltage three-phase power be turned off and
secured (locked out), and then that a separate
source control power (115 Vac) be utilized to power
up the control circuits.
Use the as-built starter schematic to ensure correct fuse
and terminals. Verify that the correct fuse is removed and
that the control circuit connections are correct; then apply
the 115 Vac separate source power to service the controls.

Schematic Wiring Drawings

Please refer to the submittals and drawings that shipped
with the unit. Additional wiring drawings for CenTraVac
chillers are available from your local Trane office.
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