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Trane CVRE User Manual

Trane CVRE
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Installation
14 CDUB-SVN002B-EN
Remove the Existing Display and Install
New Display (When Required)
Remove Existing Display in Unit
1. Unplug the terminal of IPC communication harness.
2. Unplug the terminal of ethernet cable.
3. Loose screw of display to arm
,
remove existing
display.
Install New Display Unit
1. Replace new display, tighten the screw of display to
arm.
2. Plug the terminal of IPC communication harness.
3. Plug the terminal of ethernet cable.
Solid State Oil Heater Relay
Installation
Note: This procedure does not apply to new chillers
operating with R514A refrigerant. Chillers with
R514A refrigerant have solid-state relay for heater
control installed and configured by the factory.
Relay RLY02909 is provided for upgr
ading chiller
s with
R-123 refrigerant. This relay will operate with a 120V 15mA
signal, yet it will safely and quickly switch 120V loads up
to 25 amps. The oil heater’s amp draw is 6.25 amps at
120V, which is well within the capacity of RLY02909.
Mounting Location
The RLY02909 must be mounted directly onto a flat steel
face of the control panel, either on a side wall of the
enclosure, or on the back-plane panel. The mounting
surface acts as a heat sink for the relay, so the relay should
be securely bolted to the mounting surface.
Note: Ins
tructions included with the relay may require
removal of paint from the mounting surface, and
the use of a heat conductive paste between the
relay and the mounting surface. Trane’s lab testing
indicates that these additional steps are not needed
for the low 6 or 7 amp draw that our heater will
apply to the relay. Securely mounting the relay to
any steel surface in the control panel is adequate
for our application.
Figure 11. Install new Symbio 800 controller in panel
Figure 12. Remove existing display and install new display

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Trane CVRE Specifications

General IconGeneral
BrandTrane
ModelCVRE
CategoryController
LanguageEnglish

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