Carrier 24AHA4 Performance Series Installation Instructions Manual

24AHA4
Performance™ Series Air Conditioner
with Puronr Refrigerant
1-1/2 to 5 Nominal Tons
Fig. 1 - 24AHA4
NOTE: Read the entire instruction manual before starting the
installation.

TABLE OF CONTENTS

SAFETY CONSIDERATIONS
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Complete Pre−Installation Checks
Rig and Mount Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Complete Refrigerant Piping Connections
Make Electrical Connections
START−UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation Instructions

A07532
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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.
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 and
the current editions of the National Electrical Code (NEC)
NFPA70.
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
the 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
1
or death. WARNING signifies hazards which could result in
personal injury or death. CAUTION is used to identify unsafe
2−3
practices which may result in minor personal injury or product and
2
property damage. NOTE is used to highlight suggestions which
2
will result in enhanced installation, reliability, or operation.
3
!
3
4
ELECTRICAL SHOCK HAZARD
4
Failure to follow this warning could result in personal injury
6 or death.
Before installing, modifying, or servicing system, main
electrical disconnect switch must be in the OFF position.
There may be more than 1 disconnect switch. Lock out and
tag switch with a suitable warning label.
!
ENVIRONMENTAL HAZARD
Failure to follow this caution may result in environmental
pollution.
Remove and recycle all components or materials (i.e. oil,
refrigerant, etc.) before unit final disposal.
WARNING
CAUTION
.