Viewing the status
On the status screens, you can view the current status of the sensors, the cooling system, the
binary inputs, and the system control relays. The status screens also identify the firmware versions
on the controller. The information on these screens can help you to troubleshoot system and
controller problems.
The screens under
STATUS
in Figure 8 are the status screens. To navigate the screens press
DOWN
and
UP
.
Note:
A value of
YES
indicates that an alarm is currently active.
The following table describes the status screens. The status of alarms depends on values that you
specify. For more information, see
Setting up the alarm setup parameters
.
Table 8: Status screen descriptions, values, and selections
Screen name
Description
Value or
selection
SN1:
TEMPERATURE
This screen displays the temperature at sensor SN1.
Current
temperature
value
SN2:
TEMPERATURE
This screen displays the temperature at sensor SN2.
Current
temperature
value
SN3:
TEMPERATURE
This screen displays the temperature at sensor SN3.
Current
temperature
value
CASE/
DEFROST AVG
TEMPERATURE
Conditional
screen
The weighted average temperature of SN1 and SN3, or SN2
and SN3 displays in the status field.
Current
weighted
average
temperature
value
NEXT DEFROST
This screen displays the start time of the next defrost cycle.
Real-time value
BI1
This screen displays the status of BI1 as open or closed.
•
OP-EN
•
CLO-SED
BI2
This screen displays the status of BI2 as open or closed.
•
OP-EN
•
CLO-SED
COMPRESSOR
RELAY
This screen displays the status of the compressor relay as
open or closed.
•
OP-EN
•
CLO-SED
DEFROST RELAY
This screen displays the status of the defrost relay as open or
closed.
•
OP-EN
•
CLO-SED
FAN/AUX RELAY
This screen displays the status of the fan/aux relay as open or
closed.
•
OP-EN
•
CLO-SED
ALARM RELAY
This screen displays the status of the alarm relay as open or
closed.
•
OP-EN
•
CLO-SED
FW
This screen displays the version of firmware on the controller.
X.XXX
23
MR5 Series Panel Mount Case Controller Technical Bulletin
Discontinued
