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Final Installation Checklist
WARNING
HIGH VOLTAGE
DISCONNECT ALL POWER BEFORE SERVICING
OR INSTALLING THIS UNIT. MULTIPLE POWER
SOURCES MAY BE PRESENT. FAILURE TO DO SO
MAY CAUSE PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
• Inspect and ensure that all components and
accessories have been installed properly and that
they have not been damaged during the installation
process.
• Ensure that all installation instructions concerning
clearances around the unit have been adhered
to.
• Check to ensure that the unit air lter, indoor coil, and
outdoor coil are free from any obstructions.
• Ensure that the circuit breaker(s) or fuse(s)
and supply circuit wire size have been sized
correctly.
• Check the condensate water drain(s) to ensure that
they are adequate for the removal of condensate
water and that they meet approval of the end
user.
• Ensure that the entire installation is in compliance
with all applicable national and local codes and
ordinances having jurisdiction.
• ENSURE THAT THE SUPPLY VOLTAGE TO THE
UNIT IS WITHIN THE OPERATING RANGE
• Secure all access panels (i.e. front cover and/
or control box), apply power to the unit. The unit
commissioning should be done at this time to ensure
unit function.
NOTE: Maintaining a log for recording the dates of
maintenance and/or service is recommended, and
should be suggested to the owner or operator of the
equipment.
• Present the owner or operator of the equipment with
the Installation & Operation Manual, all accessory
installation instructions, and the name, address and
telephone number Warranty Service Company in the
area for future reference if necessary.
NOTE: The unit is not designed to guarantee
continuous operation with outdoor ambient conditions
greater than 110°F.
Chassis Operation
Fresh Air Door
The fresh air door is an “intake” system. It is opened via
a slide mechanism on the front of the chassis located just
above the indoor coil. Move the slide left to open and right
to close the door. The system is capable of delivering up to
60 CFM of outdoor air.
Low Ambient Compressor Cut Out
Each chassis is equipped with low ambient protection
that is determined by thermistor feedback. The feedback
will prevent the compressor from operating at low suction
temperatures.
Room Freeze Protection
This feature will monitor the indoor room conditions and in
the event that the room falls below 40°F, the unit will cycle
on high fan with the electric heater. This occurs regardless
of mode.
Chassis Final Connections
With the chassis in place, you are now ready to begin
chassis connections:
A. Move the thermostat switches to “OFF” and “AUTO”.
This will keep the thermostat from cycling the chassis
until nal connections are complete.
B. Connect the duct work onto the 10” collar. Plastic
wire ties (eld supplied) are suggested to secure
the duct work in place. Use 2 wire ties, one for each
inner and outer ex duct sleeve.
C. Review the Final Installation Checklist before
replacing the power quick disconnect, reconnecting
power to the chassis, or operating the chassis.
WARNING
HIGH VOLTAGE
DISCONNECT ALL POWER BEFORE SERVICING
OR INSTALLING THIS UNIT. MULTIPLE POWER
SOURCES MAY BE PRESENT. FAILURE TO DO SO
MAY CAUSE PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
Service & Warranty
Servicing / Chassis Quick Changeouts
The chasis is designed for quick disconnect and change
out. For minor electrical service, the control box cover
lifts straight up after the screws & disconnect head are
removed. For major electrical, refrigeration and fan service
the chassis may be removed from utility closet.
16
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