AAON M3-094 - Manual (Page 10)

10
Some chemical coil cleaning
compounds are caustic or toxic. Use
these substances only in accordance
with
the manufacturer ’s usage
instructions. Failure to follow
instructions may result in equipment
damage, injury or death.
WARNING
Door compartments containing
hazardous voltage or rotating parts
are equipped with door latches to
allow locks. Door latch are shipped
with nut and bolts requiring tooled
access. If you do not replace the
shipping hardware with a pad lock
always re-install the nut & bolt after
closing the door.
CAUTION
Check the shipping section weights
on the Bill of Lading to be sure they
can be lifted safely. Rigging should
be adjusted so that all sections are
lifted level.
WARNING
Do not enter or reach into a fan
cabinet while the fan is still turning.
WARNING
Never attempt to open an access
door or remove a panel while the unit
is running. Pressure in the unit can
cause excessive force against the
panel.
WARNING
Never pressurize equipment over 8”
w.c
– Equipment and property
damage, personal injury or loss of life
could result.
WARNING
Ensure that sufficient dampers will be
open to provide air path before fan is
allowed to run.
WARNING
Risk of injury from hot parts
–
Disconnect all power, close all
isolation valves and allow equipment
to cool before servicing equipment
with hot water and steam heating
coils. Hot water will circulated even
after the power is off.
WARNING
PVC (Polyvinyl Chloride) and CPVC
(Chlorinated Polyvinyl Chloride) are
vulnerable to attack by certain
chemicals. Polyolester (POE) oils
used
with R-410A and other
refrigerants, even in trace amounts,
in a PVC or CPVC piping system will
result in stress cracking of the piping
and fittings and complete piping
system failure.
CAUTION