Trane R Series Installation Operation & Maintenance page 68

Tab. VI-06 - Setpoint Screen
Description
Ice Building
Cprsr Pumpdown1
EXV Ckt Open circuit is locked out
(For Authorized
Service UseOnly2)
open,
Ckt Lockout
Ext. Chilled Water Setpt
Ext. Current Limit Setpt
Notes:
1 Pumpdown procedure are discussed
in Maintenance section 10.
2 Used for liquid level control or to
recover from pumpdown
Diagnostic Screen
The diagnostic screen (shown following) is accessible by either pressing the blinking ALARMS key or by pressing the
Diagnostic tab on the screen tab selection.
A hex code and a verbal description appears on the display as shown typically above. This is the last active diagnostic.
Pressing the "Reset All Active Diagnostics" will reset all active diagnostics regardless of type, machine or refrigerant circuit.
Compressor diagnostics, which hold off only one compressor, are treated as circuit diagnostics,
RTAC-SVX002A-EN
Controls Interface
Tab. VI-05 - Setpoint Screen
Description
Comp 1A Pumpdown
Comp 1B Pumpdown
Comp 2A Pumpdown
Comp 2B Pumpdown
EXV Ckt 1 Open
EXV Ckt 2 Open
Front Panel Ckt 1 Lockout
Front Panel Ckt 2 Lockout
Ext Chilled Water Setpoint
Ext Current Limit Setpoint
Date Format
Date
Time Format
Time of Day
Keypad/Display Lockout
Display Units
Pressure Units
Language Selection
Resolution or Text
Enable/Disable
Avail
Not Avail
Pumpdown
Avail
Not Avail
Open State is displayed when EXV is open. Unit will not start with EXV manually set, but will initiate
Locked Out
Not Locked Out
Enable/Disable Allows unit to control setpoint; otherwise another loop controller in line will control, as optionally
Enable/Disable Allows unit to control setpoint; otherwise another loop controller in line will, as optionally wired.
Resolution or Text
Pumpdown/Abort
Pumpdown/Abort
Pumpdown/Abort
Pumpdown/Abort
Auto/Open
Auto/Open
Locked Out/Not Locked Out
Locked Out/Not Locked Out
X.X
XXX
mmm dd yyyy, dd mm yyyy
12 hr, 24 hr
Enable/Disable
SI, English
Absolute, Gauge
Downloaded from TechView
If feature is installed, operation can be initiated or stopped
Pumpdown is allowed: only with unit in Stop or when circuit is locked out
Pumpdown is not allowed because unit is operating or pumpdown has
State is displayed while pumpdown is in progress
Indicates EXV is closed but can be opened manually since unit is in Stop or
EXV is closed but cannot be opened manually since unit is operating
valve closure first.
Circuit is locked out at Front Panel; other circuit may be available to run
Circuit is not locked out and is available to run
Units
wired.
Units
Text
Text
Text
Text
Text
Text
Text
Text
F / C
% RLA
Text
Text
Text
Text
Text
Text
Text
Text
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