Bryant Preferred Series Installation Instructions Manual

123A, 126B, 126C
Preferred™ Series Air Conditioners
with Puron® Refrigerant
1-1/2 To 5 Nominal Tons
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 thoroughly and follow all
warnings or cautions included in literature and attached to the unit.
Consult local building codes and current editions of the National
Electrical Code ( NEC ) NFPA 70. In Canada, refer to current editions
of the Canadian electrical code CSA 22.1.
Recognize safety information. This is the safety-alert symbol
you see this symbol on the unit and in instructions or manuals, be alert to
the potential for personal injury.
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 would 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.
WARNING
!
EXPLOSION HAZARD
Failure to follow this warning could result in
death, serious personal injury, and/or property
damage.
Never use air or gases containing oxygen for
leak
compressors.
gases containing oxygen can lead to an
explosion.
Installation Instructions
Understand these signal words;
testing or operating
Pressurized mixtures of air or
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, etc. where unit
operation sound may disturb customer.
2. Ensure that vapor and liquid tube diameters are appropriate for unit
capacity.
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
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 which comes in direct contact with tubing. (See
When
Fig. 1.)
8. Ensure that tubing insulation is pliable and completely surrounds
vapor tube.
9. When necessary, use hanger straps which are 1 in. (25.4 mm) wide
and conform to shape of tubing insulation. (See
10. Isolate hanger straps from insulation by using metal sleeves bent to
conform to shape of insulation.
For proper unit operation, check refrigerant charge using charging
information located on control box cover and/or in the Check Charge
section of this instruction.
refrigerant
IMPORTANT: Maximum liquid-line size is 3/8-in. OD for all
residential applications including long line. Refer to Residential Piping
and Longline Guideline for further information.
IMPORTANT: Always install the factory-supplied liquid-line filter
drier. If replacing the filter drier, refer to Product Data Digest for
appropriate part number. Obtain replacement filter driers from your
distributor or branch.
GENERAL
Fig. 1 – Piping Installation
Fig. 1.)
Fig. 1.)
A94028