AAON LL-540 - Manual (Page 10)

10
1. Startup and service must be performed
by a Factory Trained Service
Technician.
2. The unit is for outdoor use only. See
General Information section for more
information.
3. Use only with type of the gas approved
for the boiler. Refer to the boiler rating
plate.
4. Provide adequate combustion ventilation
air to the boiler.
5. Every unit has a unique equipment
nameplate with electrical, operational,
and
unit clearance specifications.
Always refer to the unit nameplate for
specific ratings unique to the model you
have purchased.
6. READ THE ENTIRE INSTALLATION,
OPERATION AND MAINTENANCE
MANUAL.
OTHER IMPORTANT
SAFETY PRECAUTIONS ARE
PROVIDED THROUGHOUT THIS
MANUAL.
7. Keep this manual and all literature
safeguarded near or on the unit.
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
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
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
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
COMPRESSOR CYCLING
5 MINUTE MINIMUM OFF TIME
To prevent motor overheating
compressors must cycle off for a
minimum of 5 minutes.
5 MINUTE MINIMUM ON TIME
To maintain the proper oil level
compressors must cycle on for a
minimum of 5 minutes.
The cycle rate must not exceed 6
starts per hour.
WARNING