Trane R Series Installation Operation & Maintenance page 76

Tab. VI-07 – Setpoint Options/Conditions Displayed
Option
Ice Building
Cprsr Pumpdown
1
EXV Ckt Open
(For Authorized Service Use
Only )
2
Ckt Lockout
Ext. Chilled Water Setpoint. Enable/ Disable
Ext. Chilled Current Limit
Setpoint
Notes:
1 Pumpdown procedure are discussed in Maintenance section 10.
2 Used for liquid level control or to recover from pumpdown.
RTAC-SVX002A-EN
Controls Interface
The remote devices identified on the following setpoint screen are discussed in the
Electrical.
Installation section of this manual.
Condition(s)
Enable/Disable If future is installed, operation can be initiated or stopped.
Avail Pumpdown is allowed: only with unit in Stop or when circuit is locked out.
Not Avail Pumpdown is not allowed because unit is operating or pumpdown has
been completed.
Pumpdown State is displayed while pumpdown is in progress.
Avail Indicates EXV is closed but can be opened manually since unit is in Stop
or cicuit is Lockout
Not Avail EXV is closed but cannot be opened manually since unit is operating
Open State is displayed when EXV is open. Unit will not start with EXV
manually set open, but will initiate valve closure first.
Locked Out Circuit is locked out at Front Panel, other circuit may be available to run.
Not Locked Out Circuit is not locked out and is available to run.
Allows unit to control setpoint; otherwise another loop controller in line
will control, as optionally wired.
Enable/ Disable Allows unit to control setpoint; otherwise another loop controller in line
will control, as optionally wired.
Explanation
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