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Operating the Microprocessor
The touchscreen interface panel is ready to use when it is
connected to the Ethernet switch and chiller/heater power
is on. Upon initial startup, the status line will indicate that
the chiller/heater is off. Pressing the ON-OFF button on the
touchscreen interface panel turns the chiller/heater on and
the touchscreen will indicate that it is powered on.
Pressing the ON-OFFbutton effectively toggles the chiller/
heater ON and OFF.
Microprocessor Functions
For practical purposes, all essential control information
and operator actions are read and responded to using the
touchscreen interface panel. The touchscreen interface
panel is connected to the master microprocessor
controller via the Ethernet switch and is the only way to
access all of the master controller functions.
NOTICE
Compressor Damage!
Failure to follow instructions could damage sensitive
electronic components beyond repair.
To prevent arcing or surges of electrical current, do not
use wires or cables to jump components or bypass the
manufacturer's safety systems.
Password Protection
There are three levels of access to the functions displayed
on the interface. The basic level, 'user,' does not require a
password. The higher access levels are the technician
('tech') and administrator ('admin') levels that can only be
accessed by Trane technical personnel. Contact Trane
technical support regarding the possibility of any potential
issues involving the higher-level functions.
Operator Control
The touchscreen interface panel is the primary means for
the operator or maintainer to monitor and modify a host of
functions involving temperatures, pressures, set points,
alarms, operating schedules, and elapsed operating
hours. This touchscreen interface panel is typically located
on the exterior door of the power distribution panel.
The touchscreen interface is connected to and
communicates with all module controllers via the Ethernet
switch. It accesses overall chiller/heater functions and
settings as well as individual module settings.
In this manual, all functions, procedures, checklists,
system information, and changes in system parameters
(set points, alarms, master chiller/heater controls, and so
ARTC-SVX005A-EN
forth) are written assuming the operator is using the
touchscreen interface panel.
When connected to the Ethernet switch, the touchscreen
interface panel displays current, real-time, information
about the chiller/heater as well as the status of critical
parameters within each module of the chiller/heater.
How to Use the Touchscreen
Interface Panel
The touchscreen interface panel is used to adjust set
points, clear alarms, and perform detailed setup of the
microprocessor controllers.
The touchscreen interface panel displays information on
its touchscreen whenever specific keys and buttons are
pressed by the operator. (See
Basic operator tasks are described in the following
sequence of illustrations that comprise a controller
tutorial.
Figure 16. Touchscreen interface panel
Operating Procedures
Figure 16, p.
29)
29
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