Specifications

990-4617 InRow™ Direct Expansion Air Conditioners Technical Specifications 11
Control
The backlit, four-line by twenty-character display is password configurable.
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 (if optional leak detector used)
• Check condensate management system
• 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
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
• Factory configuration not completed
• Liquid refrigerant sensor failure