AAON CF Series - Compressor and Coil Maintenance; Compressor Lubricant and Coil Cleaning

8
ENCLOSED AREA
Do not work in an en
closed area
where refrigerant or nitrogen gases
may be leaking. A sufficient quantity of
vapors may be present and cause
injury or death.
WARNING
COMPRESSOR LUBRICANT
Polyolester (POE) and Polyvinylether
(PVE) oils are two types of lubricants
used in hydrofluorocarbon (HFC)
refrigeration systems. Refer to the
compressor label for the proper
compressor lubricant type.
CAUTION
COIL CLEANERS
To prevent damage to the unit, do not
use acidic chemical coil cleaners. Do
not use alkaline chemical coil cleaners
with a pH value greater than 8.5, after
mixing, without first using an
aluminum corrosion inhibitor in the
cleaning solution.
CAUTION
COIL CLEANERS
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
COIL CLEANING
Do not clean DX refrigerant coils with
hot water or steam. The use of hot
water or steam on refrigerant coils will
cause high pressure inside the coil
tubing and damage to the coil.
CAUTION
CONVENIENCE OUTLETS
Factory installed convenience outlets
are not intended for use while the unit
is operating.
WARNING
Unit power supply wire must be only
copper or aluminum.
CAUTION
In order to avoid a hazard due to
inadvertent resetting of the THERMAL
CUT-OUT, this appliance must not be
supplied through an external switching
device, such as a timer, or connected to a
circuit that is regularly switched on and
off by the utility.
CAUTION