551J

SINGLE PACKAGEROOFTOP

COOLING ONLY

SIZES 04 --06 with PURONR(R--410A) REFIRGERANT
Installation Instructions
NOTE: Readthe entire instructionmanual before starting
the installation

TABLE OF CONTENTS

SAFETY CONSIDERATIONS 1....................
INSTALLATION 5...............................
Step1 -- Plan forUnit Location 5..................
Step 2 --Plan for Sequence of Unit Installation 5......
Step3 -- InspectUnit 6...........................
Step 4 --Provide Unit Support 6...................
Step5 -- Field FabricateDuctwork 8................
Step6 -- Rig and Place Unit 8.....................
Step 7 --Convert to Horizontal and Connect
Ductwork 9............................
Step8 -- Install OutsideAir Hood 9................
Step 9 --Install External Condensate Trap
andLine 11............................
Step10 -- Make Electrical Connections 11...........
Step 11-- Adjust Factory--InstalledOptions 35........
Step12 -- InstallAccessories 36...................

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire,electrical
shock or other conditions which may cause personal
injury or property damage. Consult a qualified installer,
service agency, or your distributor or branch for
information or assistance. The qualified installer or
agency must use factory--authorized kits or accessories
when modifying this product. Refer to the individual
instructions packaged with the kits or accessories when
installing.
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloths for brazing operations and
have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions attached to
the unit. Consult local building codes and appropriate
national electrical codes (in USA, ANSI/NFPA70,
National Electrical Code (NEC); in Canada, CSA C22.1)
for special requirements.
It is important to recognize safety information. This is the
safety--alertsymbol . When you see this symbol on the
unit and in instructions or manuals, be alert to the
potential for personal injury.
Understand the signal words DANGER, WARNING,
CAUTION, and NOTE. These words are used wi th the
safety--alert symbol. DANGER identifies the most se rious
hazards which will result in severe personal injury or
death. WARNINGsignifies hazards which could result in
personal injury or death. CAUTION is used to identify
unsafe practices, which may result in minor personal
injury or product and property damage. NOTE is used to
highlight suggestions which will result in enhanced
installation, reliability,or operation.