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NetworkAIR FM DX 60 Hz Operation, Maintenance, and Troubleshooting4
Safety Hazards
Lockout/tagout
Warning: Make sure to follow the lockout/tagout procedures for your site to remove
access to a device and physically label the device as intentionally out of service while
servicing this equipment.
Electrical hazards
Electrical Hazard: Unless otherwise indicated, remove power before attempting to service
this unit. Remove power at the upstream breaker and disconnect the power cords before
servicing. Failure to do so could result in serious injury or death.
Electrical Hazard:
Follow all local and national electrical codes when installing or servicing
a NetworkAIR FM.
Static discharge
Static Discharge: Circuit boards contained within the unit are sensitive to static electricity.
Whenever possible, touch only the end-plates and use one or more of these
electrostatic-discharge devices (ESDs) while handling the boards: wrist straps, heel straps, toe
straps, or conductive shoes. Failure to do so may cause damage to the board and improper
operation of the unit.
Safe refrigerant handling
Note: Service to components in the refrigeration loop should be performed only by a certified
HVAC technician.
Note: Follow all local and national regulations when handling refrigerants.
Caution: Use applicable safety precautions when working with pressurized systems. Some
piping in this unit contains refrigerant that is under pressure. Use care when working with
piping or pipe fittings.
Moving parts
Warning: This equipment contains moving parts such as fans. Use care around
components that are behind air blocks or separated by doors or access panels.
Tools and parts
Caution: Ensure that all spare parts and tools are removed from the equipment before
operation.