Air innovations 99H0360-10, Installation, Operation And Maintenance Manual, Page: 28 / 85

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Lockout/Tagout Procedure
1) Turn off the power switch (indicator light should be off)
2) Unplug the unit from the electrical outlet and cover the outlet to prevent
accidently plugging in the unit.
3) Turn off circuit breaker or disconnect switch at condensing unit.
Safety Considerations
The equipment covered by this manual is designed for safe and reliable operation when installed
and operated within its designed specifications. To avoid personal injury or damage to equipment
or property when installing or operating this equipment, it is essential that qualified, experienced
personnel perform these functions using good judgment and safe practices. See the following
cautionary statements.
IMPORTANT
Installation and maintenance of this equipment is to be performed only by qualified
personnel who are familiar with local codes and regulations and are experienced with
this type of equipment.
Safety Hazards
Exposure to safety hazards is limited to maintenance personnel working in and around the unit.
When performing maintenance, always use the Lockout/Tagout procedure, which is described in
this chapter. Observe the maintenance safety guidelines in this manual.
Electrical Hazards
Working on the equipment may involve exposure to dangerously high voltage. Make sure you are
aware of the level of electrical hazard when working on the system. Observe all electrical warning
labels on the unit.
Electrical Shock Hazards
All power must be disconnected prior to installation and servicing this equipment. More than one
source of power may be present. Disconnect all power sources to avoid electrocution or shock
injuries.
Hot Parts Hazards
Electric resistance heating elements must be disconnected prior to servicing. Electric heaters may
start automatically. Disconnect all power and control circuits prior to servicing the unit to avoid
burns
.
Moving Parts Hazards
The Motor and Blower must be disconnected prior to opening access panels. The motor can start
automatically. Disconnect all power and control circuits prior to servicing to avoid serious
injuries or possible dismemberment .
The fans are free-wheeling after the power is disconnected. Allow the fans to stop completely
before servicing the unit to avoid cuts or dismemberment.