Parker -W4P, User Manual

Page: 13 / 110

13
MSC4000 - MSC15000 USER MANUAL
1. Status Message Line –
Displays one or more of the following including any active alarms
ALL SYSTEMS OK – There are no active alarms
ALARM SHUTDOWN – An alarm condition has resulted in the dryer shutting down. Refer to Alarm screen for
assistance.
PUMPDOWN IN PROGRESS – The dryer will remove refrigerant from the suction lines while the dryer is off
so that is does not restart under excessive load.
OIL RECOVERY MANAGEMENT ACTIVE – In order to ensure enough oil is being returned to the
compressor under low load conditions, the compressor is forced to run at 100% output on a periodic
basis by temporarily increasing the dryer load.
HIGH HEAD PRESSURE LIMIT – The discharge pressure is running close to the alarm limits. To avoid
unnecessarily shutting down due to momentary high pressure, the dryer output will be reduced.
DRYER NOT CONFIGURED! – The dryer must be configured before it will run.
ACTIVE ALARMS – Refer to the Alarms Section for alarm messages displayed on this line.
2. State Message Line – Displays the current run mode of the dryer
DRYER OFF - PRESS RUN TO START
RESET ALARMS TO ENABLE RUN - The alarm must be reset by touching RESET ALARMS key before
the dryer is allowed to restart.
VARIABLE SPEED MODE – (VSD Dryers only) Currently running in variable speed mode.
The following modes are not included on dryers with variable drives.
LOAD/UNLOAD MODE – Currently running in Load/Unload mode.
LOAD/UNLOAD MODE – (AUTO SELECT) - Currently running in Load/Unload mode. The dryer will
switch to Cycling mode if the compressor runs unloaded for more than 5 minutes
CYCLING MODE – Currently running in Load/Unload mode.
CYCLING MODE – (AUTO SELECT) – Currently running in Cycling mode. The dryer will switch to Load/
Unload mode if the dryer cycles on less than 15 minutes after the compressor shuts off.
Status & State Messages
1
2