Page 16 – Bulletin 100-50-5.1
APPENDIX B - Process Values
PROCESS DESCRIPTION RANGE
End
End display session with controller
Controller display address CAD must be reset *
SvPH
Superheat (t
out
-t
sat
) 0 to 165°F (0 to 91.6°C)
SvcP
Suction Pressure
Depends on pressure sensor range and type
-14.7 to 652 PSI (-1.01 to 44.95 Bar) Max. range
tSAt
Saturation Temperature -60 to 150°F (-51.1 to 65.6°C)
tvt
Suction Temperature -60 to 150°F (-51.1 to 65.6°C)
CtP
Case / Room Temperature -60 to 150°F (-51.1 to 65.6°C)
PSn
EEV Position (% of max stroke) 0 to 100% Open
S
Auxiliary Temperature 1
or Pumpdown State
-60 to 150°F (-51.1 to 65.6°C) if input is within range for a valid
temperature reading.
Otherwise:
Display Description
C
Cool Mode - High Resistance or open
on T3
Pdn
Pumpdown Mode - Low Resistance or
short on T3
S4
Auxiliary Temperature 2 -60 to 150°F (-51.1 to 65.6°C)
rEA
Relay Status
Display Description
dEn
Relay is de-energized (open)
En
Relay is energized (closed)
Stt
System State
Display Description
SEtU
Setup Mode
FF
Off Mode
C
Cool Mode
Pdn
Pumpdown Mode
StP
Manual Valve Override Mode
AS
Controller Alarms
Display Description
nnE
No Active Alarms
PSA
Pressure Sensor Failure
tSA
Suction Temp Sensor Failure
SHA
Low Superheat Alarm
HSHA
High Superheat Alarm
*If the controller display is alternating between Ctr, and either a number 1-99 or c, then scroll to cand press the
SELECT knob to view the local controller attached to this display. Press and hold the SELECT knob for approximately 5
seconds and enter password 111 when prompted. Scroll to CAD(Controller address) and set it to 0. Exit the setpoint menu.
NOTE: The controller’s default menu is the Process Values Menu.