AAON RN Series, Installation, Operation & Maintanance Manual, Page: 8 / 116

8
Safety
Electric shock hazard. Before
servicing, shut off all electrical power
to the unit, including remote
disconnects, to avoid shock hazard
or injury from rotating parts. Follow
proper Lockout-Tagout procedures.
WARNING
WHAT TO DO IF YOU SMELL GAS

Do not try to turn on unit.

Shut off main gas supply.

Do not touch any electric switch.

Do not use any phone in the
building.

Never test for gas leaks with an
open flame.

Use a gas detection soap solution
and check all gas connections
and shut off valves.
CAUTION
ELECTRIC SHOCK, FIRE OR
EXPLOSION HAZARD
Failure to follow safety warnings
exactly could result in dangerous
operation, serious injury, death or
property damage.
Improper servicing could result in
dangerous operation, serious injury,
death, or property damage.

Before servicing, disconnect all
electrical power to the furnace.
More than one disconnect may be
provided.

When servicing controls, label all
wires prior to disconnecting.
Reconnect wires correctly.

Verify proper operation after
servicing. Secure all doors with
key-lock or nut and bolt.
WARNING
Attention should be paid to the following statements:
NOTE - Notes are intended to clarify the unit installation, operation, and maintenance.
CAUTION - Caution statements are given to prevent actions that may result in
equipment damage, property damage, or personal injury.
WARNING - Warning statements are given to prevent actions that could result in
equipment damage, property damage, personal injury or death.
DANGER - Danger statements are given to prevent actions that will result in equipment
damage, property damage, severe personal injury or death.