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Section 1. Safety Information
SAFETY HAZARD! This information is intended for
use by individuals possessing adequate backgrounds
of electrical and mechanical experience. Any attempt to
repair a central air conditioning product may result in
personal injury and/or property damage. The manufac-
turer or seller cannot be responsible for the interpreta-
tion of this information, nor can it assume any liability
in connection with its use.
LIVE ELECTRICAL COMPONENTS! During in-
stallation, testing, servicing, and troubleshooting of this
product, it may be necessary to work with live electrical
components. Failure to follow all electrical safety pre-
cautions when exposed to live electrical components
could result in death or serious injury.
CORROSION HAZARD! To prevent shortening its
service life, the air handler should not be used during
the finishing phases of construction. The low return air
temperatures can lead to the formation of condensate.
Condensate in the presence of chlorides and fluo-
rides from paint, varnish, stains, adhesives, cleaning
compounds, and cement creates a corrosive condition
which may cause rapid deterioration of the cabinet and
internal components.
Table of Contents
Section 1. Safety Information ........................................................................................................... 2
Section 2. Unit Design...................................................................................................................... 3
Section 3. Unit Preparation............................................................................................................... 5
Section 4. Optional Cabinet Disassembly......................................................................................... 6
Section 5. Place Unit at Location..................................................................................................... 11
Section 6. Unit Location Considerations......................................................................................... 12
Section 7. Setting the Unit - Vertical Installation............................................................................. 17
Section 8. Setting the Unit - Horizontal Installation......................................................................... 19
Section 9. Connecting the Duct work.............................................................................................. 20
Section 10. Refrigerant Line............................................................................................................ 21
Section 11. Refrigerant Line Brazing.............................................................................................. 22
Section 12. Condensate Drain Piping.............................................................................................. 25
Section 13. Electrical - Low Voltage................................................................................................. 27
Section 14. Electrical - High Voltage............................................................................................... 30
Section 15. Filters........................................................................................................................... 33
Section 16. Unit Outline Drawing.................................................................................................... 34
Section 17. Start Up........................................................................................................................ 35
Section 18. Sequence of Operation................................................................................................ 36
Section 19. Checkout Procedures................................................................................................... 37
SAFETY HAZARD! Sharp Edge Hazard. Be care-
ful of sharp edges on equipment or any cuts made on
sheet metal while installing or servicing. Personal injury
may result.
HAZARDOUS VAPORS! Do not install an air
handler with a non-ducted return in the same closet,
alcove, or utility room as a fossil fuel device. Hazardous
vapors can be distributed throughout the conditioned
space and equipment damage can result.
Important: Panel damage can occur with prolonged
exposure to POE lubricants. Air handler front panels
that come in contact with POE oil must be washed
immediately with soapy water.
This product can expose you to chemicals includ-
ing lead, which are known to the State of California to
cause cancer and birth defects or other reproductive
harm. For more information go to www.P65Warnings.
ca.gov.
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