Carrier 38CKD Installation Instructions Manual

38CKD
13 SEER Split System Air Conditioner
with R---22 Refrigerant
Export Model
1---1/2 To 5 Nominal Tons (Sizes 18---60)

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 fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult National Electrical
Code (NEC), ANSI/NFPA 70, Canadian Electrical Code CSA
C22.1 and local codes and ordinances for special requirements.
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.
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury
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.
INSTALLATION RECOMMENDATIONS
NOTE: In some cases noise in the living area has been traced to
gas pulsations from improper installation of equipment.
1. Locate unit away from windows, patios, decks, and so forth,
where unit operation sound may disturb customer.
2. Insure that vapor- - and liquid- -tube diameters are appropriate
to capacity of unit.
3. Run refrigerant tubes as directly as possible by avoiding un-
necessary turns and bends.
4. Leave some slack between structure and unit to absorb vi-
bration.

Installation Instructions

5. When passing refrigerant tubes through the wall, seal open-
ing with RTV or other pliable silicon- -based caulk. (See Fig.
1.)
6. Avoid direct tubing contact with water pipes, duct work,
floor joists, wall studs, floors, and walls.
7. Do not suspend refrigerant tubing from joists and studs with
a rigid wire or strap that comes in direct contact with tubing.
(See Fig. 1.)
8. Ensure that tubing insulation is pliable and completely sur-
rounds vapor tube.
9. When necessary, use hanger straps which are 1 in. wide and
conform to shape of tubing insulation. (See Fig. 1.)
10. Isolate hanger straps from insulation by using metal sleeves
bent to conform to shape of insulation.
!
! !
UNIT OPERATION HAZARD
Failure to follow this caution may result in improper product
operation.
Do not bury more than 36" (914 mm) of line set underground.
Refrigerant may migrate to cooler buried section during
extended periods of unit shut- -down, causing refrigerant
slugging and possible compressor damage at start- -up.If ANY
section of the line set is buried underground, provide a
minimum 6" (152 mm) vertical rise at the service valve.
OUTDOOR WALL
CAULK
INSULATION
HANGER STRAP
(AROUND SUCTION
TUBE ONLY)
1" MIN
Fig. 1 --- Connecting Tubing Installation
CAUTION
INDOOR WALL
LIQUID TUBE
SUCTION TUBE
THROUGH THE WALL
JOIST
INSULATION
SUCTION TUBE
LIQUID TUBE
SUSPENSION
A07588