Orion System Water Source Heat Pump X Module - Manual (Page 22)

WSHP-X Module
Technical Guide 22
Alarm Screens
Alarm Screens
Refer to the following map when viewing the Alarm Screens. These
screens will display automatically when alarms are present.
ALARMS
ALARMS
The alarms are as follows:
NO ALARMS: This will be shown if there are no current alarms.
COMPRESSOR LOCKOUT (1-4):
• If a circuit’s Suction Pressure falls below the Low Suction
Pressure Setpoint for longer than one minute twice within a
two hour window, the compressor on that circuit will be
locked out. Manual reset or change of mode is required to
return to normal operation.
• If the Suction Pressure falls below the Unsafe Suction
Setpoint for 5 seconds, that circuit’s compressor will locked
out. Power will need to be cycled to restart the unit.
• If the Leaving Water Temperature falls below setpoint,
the last compressor will be locked out until the Leaving Water
Temperature rises 6 degrees above setpoint.
• The Leaving Water Temperature remains below setpoint for
1 minute or falls 3 degrees below setpoint. This alarm will
disable when the leaving water temperature rises 12 degrees
above the setpoint.
LOW H2O: The Leaving Water Temperature has dropped below set-
point. This alarm will disable when the leaving water temperature rises 6
degrees above the setpoint.
NO PROOF OF FLOW: There is a call for a compressor and there is
no Proof of Flow Input Enable for more than 3 minutes or if during Heat
Pump heating, the Proof of Flow Enable is open for more than 2 sec-
onds. This alarm will disable when Proof of Flow is enabled.
LOW SUCTION PRESSURE: The Circuit’s Suction Pressure has
dropped below the Low Suction Pressure for longer than one minute.
This alarm will disable ten minutes after Suction Pressure rises above
the setpoint.