25
RSM-DEV1 Technical Guide
LCD SCREENS
Screen Descriptions
System Status Screens
Refer to the following map when navigating through the System
Status Screens. From the SYSTEM STATUS Screen, press
<ENTER>
to scroll through the screens.
SYSTEM STATUS SCREENS
Screen Text
Description
SYSTEM
STATUS
System status screens
MODE
OFF
System mode. Options are:
•
MIN RUN
• OFF
•
COOLING
•
HEATING
•
DEHUM
•
FORCED
COMP Z1
XXXXXXXX
Compressor operation status. Z equals the circuit
and can be A, B, C, or D. The seond line shows the
status of the compressor on the circuit.
• For a VFD compressor (YASK or DFOS),
it shows the RPM the compressor
is running at. It will show OFF if the
compressor is not running.
•
If FIXED, it will show ON or OFF
•
If 2 STAGE, it will show LOW SPD or
HIGH SPD
•
Can also show FAIL if RSM determines
the compressor is off due to an alarm.
COND FAN
XXX%
Condenser fan operation status. Options are:
• 0-100%
•
NOT USED - Condenser fan not in use
•
OFF - Condenser is off
EXV ZX
XXX%
Expansion valve operation status
0-100%
Table 7: System Status Screens
Sensor Status Screens
Refer to the following map when navigating through the Sensor
Status Screens. From the SENSOR STATUS Screen, press
<ENTER>
to scroll through the screens.
SENSOR STATUS SCREENS
Screen Text
Description
SENSOR
STATUS
Sensor status screens
SUCTION
XXX PSIG
Suction pressure reading from input. Measured in
PSIG.
HEAD
XXX PSIG
Head pressure reading from input. Measured in
PSIG.
SUPRHT X
XX.X°F
Current superheat calculation. The number of
screens depends on the unit’s configuration.Mea-
sured in degrees Fahrenheit.
COIL X
XX.X°F
Coil temperature. Measured in degrees Fahrenheit.
SATURTN
XXX.X°F
Calculated saturation coil temperature from suction
pressure input. Measured in degrees Fahrenheit.
DLT X
XXX.X°F
Discharge line temperature from TEMP1 input.
Measured in degrees Fahrenheit.
Table 8: Sensor Status Screens
