Carrier 38CKC(Q) - Manual
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Table of Contents:
- Page 2 – SWEAT CONNECTION; Fig. 2—Connecting Tubing Installation; UNIT SIZE
- Page 3 – Fig. 4—Refrigerant Tube Dimensions/Connections
- Page 4 – Step 8—Make Electrical Connections; Fig. 8—Solenoid Valve Installation; NOTE: System flow direction; Fig. 9—Line Power Connections
- Page 8 – LEGEND
38CKC(Q), 38CMC, 38BRC
Split-System Air Conditioner
Installation and Start-Up Instructions
NOTE:
Read the entire instruction manual before starting the
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.
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 thor-
oughly and follow all warnings or cautions included in literature
and attached to the unit. Consult local building codes and National
Electrical Code (NEC) 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 the signal words DANGER, WARNING, and CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER 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 would result in minor personal
injury or product and property damage.
Before installing, modifying, or servicing system, main elec-
trical 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. Electrical shock can
cause personal injury or death.
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.
2. Ensure that vapor and liquid tube diameters are appropriate to
capacity of unit. (See Model Specific Instructions for proper
tube sizing.)
3. Run refrigerant tubes as directly as possible by avoiding
unnecessary turns and bends.
4. Leave some slack between structure and unit to absorb
vibration.
5. When passing refrigerant tubes through the wall, seal opening
with RTV or other pliable silicon-based caulk. (See Fig. 2.)
6. Avoid direct tubing contact with water pipes, ductwork, floor
joists, wall studs, floors, and walls.
7. Do not suspend refrigerant tubing from joists and studs with a
rigid wire or strap which comes in direct contact with the
tubing. (See Fig. 2.)
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. 2.)
10. Isolate hanger straps from insulation by using metal sleeves
bent to conform to shape of insulation.
When outdoor unit is connected to factory-approved indoor unit,
outdoor unit contains system refrigerant charge for operation with
factory-approved indoor unit of the same size when connected by
15 ft of field-supplied tubing. For proper unit operation, check
refrigerant charge using charging information located on control
box cover.
INSTALLATION
Step 1—Check Equipment and Jobsite
INSPECT EQUIPMENT — If shipment is damaged or incom-
plete, file claim with shipping company prior to installation.
Locate unit rating plate on unit service panel. It contains informa-
tion needed to properly install unit. Check rating plate to be sure
unit matches job specifications.
Step 2—Install on a Solid, Level Mounting Pad
If conditions or local codes require the unit be attached to pad, use
tiedown bolts to fasten through knockouts provided in unit base
pan. Refer to Fig. 3 for pad dimensions and dimensions needed to
mount unit to pad.
Fig. 1—Split-System Air Conditioner
A97005
Visit www.carrier.com
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1
4
Tab
3a 2a
PC 101
Catalog No. 533-840
Printed in U.S.A.
Form 38BRC-1SI
Pg 1
2-97
Replaces: New
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Summary
Step 3—Clearance Requirements When installing, allow sufficient space for airflow clearance,wiring, refrigerant piping, and service. Common clearances are 6in. on 1 side, 12 in. on 2 sides, and 30 in. on service side of unit.Allow 24 in. between units. Discharge air must be unobstructedand must not ...
4. After wrapping service valve with a wet cloth, tubing set can be brazed to service valve using either silver bearing ornon-silver bearing brazing material. 5. Refrigerant tubing and indoor coil are now read for leak testing. This check should include all field and factory joints. MECHANICAL CONNE...
Wiring must comply with local codes and NEC requirements,if a field-supplied control power source is needed whenadding solenoid. 1. Remove coil liquid connection cap and discard. 2. Mount solenoid valve on liquid tube, making sure valve flow arrow points toward indoor coil. Mount valve in any positi...
