1
50ZP
10 SEER Sing le Packaged Air Condit io ner
2---5 Nominal Tons (Sizes 024---060)
Installation Instructions
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS 1.........................
General 2..........................................
RECEIVING AND INSTALLATION 5--8..................
Check Equipment 5..................................
Identify Unit 5....................................
Inspect Shipment 5.................................
Provide Unit Support 5...............................
Slab Mount 5.....................................
Provide Clearances 5.................................
Place Unit 5........................................
Select and Install Ductwork 5...........................
Install Flanges for Ductwork Connections (50ZP060 only) 5.
Converting Horizontal Discharge Units to Downflow (Vertical)
Discharge 6......................................
Provide for Condensate Disposal 6......................
Install Electrical Connections 8.........................
High Voltage Connections 8..........................
Routing Power Leads into Unit 8......................
Connecting Ground Lead to Unit Ground 8..............
Routing Control Power Wires 8.......................
Special Procedures for 208--V Operation 8...............
PRE --START --UP 9....................................
START--UP 10--12.....................................
MAINTENANCE 12--14................................
TROUBLESHOOTING 14..............................
START--UP CHECKLIST 14............................
NOTE: TO INSTALLER -- Before the installation , READ
THESE INSTRUCTIONS CAREFULLY AND COMPLETELY.
Also, make sure the User’s Manual is left with the unit after
installation.
SAFETY CONSIDERATIONS
Improper installation adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, 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.
C00001
Fig. 1 -- 50ZP (Size 036 Shown)
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes, the
current editions of the National Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the Canadian Electrical
Code CSA C22.1.
Recognize safety information. This is the safety -- alert symbol
.
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury. Understand
these signal words; DANGER, WARNING, and CAUTION. These
words are used with the safety--alert symbol. DANGER identifies
the most serious hazards which will result in severe personal injury
or death. WARNING signifies 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.
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Before installing or servicing system, always turn off main
power to system and install lockout tag. There may be
more than one disconnect switch.
!
WARNING
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