Optional/Custom Alarms | Emerson DH, VH, DE, VE manual

Alarm Descriptions and Solutions

6.2Optional/Custom Alarms

6.2.1Loss of Water Flow

No water flow is detected in the chilled water or condenser water supply line. An optional flow switch is required for this alarm. Check for service valves closed, pumps not working, etc.

6.2.2Smoke Detected

Smoke is detected in the return air by an optional Liebert Smoke Detector. Check for source of smoke or fire, and follow appropriate emergency procedures.

6.2.3Standby GC Pump On

The primary pump has failed, and the standby pump is activated (glycol cooled and GLYCOOL™ units only).

Check for problems with the primary pump (fuses blown, motor burn out, service valve shut, stuck check valve, impeller damage, etc.).

6.2.4Standby Unit On

The primary environmental control system has had an alarm condition, and the standby system is activated.

6.2.5Water Under Floor

Water is detected by an optional Liebert Water Detection System. Check under the raised floor for water or other leaks.

VE, DH, VH, DE specifications

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