Operating Procedures; Operator Interface; Chiller Panels; Handle - Trane TCAA Series Installation, Operation And Maintenance Manual

Operating Procedures

Operator Interface

Trane Packaged TCAA air-cooled units are complete
chillers that work on their own.

Chiller Panels

There are two different main electrical panels used in the
TCAA chiller:
• Power Panel(s)
• Control Panel
Power Panel
The power panel contains all high voltage components
including line reactors, fused disconnects, fused blocks,
distribution blocks, and transformers, etc.
Figure 5. Power panel
Control Panel
The control panel receives power from the power panel and
provides power to the control components in the chiller.
The Control Panel includes, but is not limited to, primary
and companion controllers, HMI, BMS interface, Ethernet
components for internal network, low-power fusing, and a
terminal strip for customer control wiring.
ARTC-SVX013A-EN
Figure 6. Control panel
Panel-Mounted Disconnect Handle
Chiller systems are equipped with a panel-mounted
disconnect handle installed on the outside of the power
distribution panel. The disconnect handle must be turned to
the OFF position before the panel can be opened for
service. When the panel door is open, the power is
disengaged.

Controller and HMI

The Trane Packaged TCAA chiller models use Danfoss
MCX microprocessor controllers and Schneider 10inch
touchscreen HMI to monitor and report critical operating
parameters.
19