Table 8: Status screen descriptions, values, and selections
Screen name
Description
Value or
selection
REFRIGERANT
LEAK ALARM
Conditional
screen
This screen displays the status of the refrigerant leak alarm.
•
YES
•
NO
QREV/PSHC
COMM LOSS
ALARM
Conditional
screen
This screen displays the status of the QREV and PSHC comm
loss alarm.
•
YES
•
NO
QREV/PSHC
STATUS ALARM
Conditional
screen
This screen displays the status of the QREV and PSHC status
alarm.
•
YES
•
NO
Viewing the QREV and PSHC status
The controller can monitor and control a QREV and PSHC. The following QREV and PSHC status
screens are conditional screens and are only available if you connect a QREV and PSHC to the
controller and set up the interface. The QREV and PSHC status screens are view-only screens with
no user action available.
The screens under
QREV/PSHC STATUS
in Figure 8 are the QREV and PSHC status screens. To
navigate the screens press
DOWN
or
UP
.
The following table describes the QREV and PSHC status screens.
Table 9: QREV/PSHC status screen descriptions, values, and selections
Screen name
Description
Value or
selection
QREV/PSHC
SUPERHEAT
Conditional screen
This screen displays the superheat temperature value calculated
by the PSHC.
n/a
QREV/PSHC
TEMPERATURE
Conditional screen
This screen displays the temperature sensed at the QREV
temperature sensor on the evaporator coil outlet.
n/a
QREV/PSHC
PRESSURE
Conditional screen
This screen displays the pressure sensed at the PSHC pressure
sensor connected at the evaporator outlet or the suction line
compressor.
n/a
QREV/PSHC
REFRIGERANT
Conditional screen
This screen displays the type of refrigerant selected in the PSHC.
n/a
QREV/PSHC
CURRENT STATE
Conditional screen
This screen displays the QREV and PSHC’s active notification codes. n/a
QREV/PSHC FW
VERSION
Conditional screen
This screen displays the PSHC’s firmware version.
n/a
25
MR5 Series Panel Mount Case Controller Technical Bulletin
Discontinued
