Technical data

7InRow RD Technical Data Manual
Alarms
The microprocessor controller shall
activate a visible and audible alarm
in the following occurrences:
All series:
• Cool Fail
• Air filter clogged
• Return air sensor fault
• Supply air sensor fault
• Rack temperature sensor fault
• High discharge pressure
• Low suction pressure
• Fan fault
• Water detected
• Condensate pump fault
• Air filter run hours violation
• Group communication fault
• Supply air high temperature
violation
• Return air high temperature
violation
• Filter DP sensor failure
• Suction pressure sensor failure
• Discharge pressure sensor failure
• Persistent high discharge pressure
fault
• Rack inlet temperature high
violation
• External communication fault
• Internal communication fault
• On standby input contact fault
• A-link isolation relay fault
• Excessive compressor cycling
ACRD100 series and ACRD200
series only:
• Condensate pan full
• Upper fan power supply fault
• Lower fan power supply fault
• Suction temperature sensor failure
• Persistent low suction pressure fault
ACRD200 series only:
• Condenser fluid valve actuator fault
• Outdoor heat exchanger (OHE) fault
• Factory configuration not completed
• Liquid refrigerant sensor failure
ACRD500 series only:
• Compressor drive communication
fault
• Compressor drive fault
• Compressor drive warning
• Compressor run hours violation
• Condensate pump run hours
violation
• Fan run hours violation
• Supply humidity sensor fault
• High suction pressure