Bryant 223A - User Manual

223A, 225B
Preferredt Series Heat Pump
with Puronr Refrigerant
1--1/2 To 5 Nominal Tons
Installation 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
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
!
!
.
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.
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing and gloves when
handling parts.
CAUTION
!
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, 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 un-
necessary turns and bends.
4. Leave some slack between structure and unit to absorb vi-
bration.
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 which 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.
INSULATION
SUCTION TUBE
LIQUID TUBE
OUTDOOR WALL INDOOR WALL
LIQUID TUBE
SUCTION TUBE
INSULATION
CAULK
HANGER STRAP
(AROUND SUCTION
TUBE ONLY)
JOIST
1” (25.4 mm)
MIN
THROUGH THE WALL
SUSPENSION
A07588
Fig. 1 -- Connecting Tubing Installation
When outdoor unit is connected to factory--approved indoor unit,
outdoor unit contains system refrigerant charge for operation with
AHRI rated indoor unit when connected by 15 ft. (4.57 m) of
field--supplied or factory accessory tubing. 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.
IMPORTANT: Maximum liquid--line size is 3/8--in. OD for all
residential applications including line line.

Summary

SAFETY CONSIDERATIONS

Safety Symbol and Signal Word Usage

Explains safety-alert symbol and signal words (DANGER, WARNING, CAUTION).

Electrical Shock and Cut Hazard Precautions

Critical warnings on electrical safety and sharp edges.

INSTALLATION RECOMMENDATIONS

Unit Placement and Tubing Installation Guidance

Covers location, tube sizing, routing, slack, sealing, and support.

INSTALLATION: EQUIPMENT & SITE PREPARATION

Equipment Inspection and Mounting Pad Requirements

Unpacking, inspection, and installing on a solid, level mounting pad.

Clearance Requirements and Operating Ambient

Specifies unit clearances and acceptable outdoor temperature ranges.

Defrost Thermostat Check and Piping Connections

Verifying defrost thermostat and making initial piping connections.

System Piping Safety and Evacuation Advice

Warnings on line burial, evacuation, and refrigerant handling.

INSTALLATION: PIPING, WIRING, & START-UP

Refrigerant Tubing Connections and Filter Drier

Guidance on sweat connections and liquid line filter drier installation.

Indoor Piston Installation and Evacuation

Indoor piston setup and deep vacuum evacuation process.

Final Tubing Checks and Electrical Wiring

Final tubing inspection and instructions for power/ground wiring.

Control Wiring and Crankcase Heater Setup

Guidance on 24v control wiring and compressor crankcase heater.

System Start-Up Procedures

Steps for safely energizing and starting the unit.

SEQUENCE OF OPERATION

Cooling and Heating Mode Operation

Describes the sequence of events during cooling and heating modes.

Defrost Control and Quiet Shift Functionality

Explains defrost settings, quiet shift, and speedup features.

REFRIGERANT CHARGE CHECK

Charge Check Conditions and General Procedure

Favorable conditions for subcooling charging and overall adjustment.

TXV and Piston Unit Specific Charging

Detailed charging methods for TXV and piston systems.

FINAL CHECKS AND HANDOVER

Pre-Operation Job Completion Verification

Verifying wiring, tubing, valve caps, securing panels, and documentation.

Owner Manual and Maintenance Guidance

Providing manuals and explaining maintenance to the customer.

CARE AND MAINTENANCE

Importance of Regular Equipment Servicing

Emphasizes maintenance for performance and reliability.

PURON (R-410 A) QUICK REFERENCE GUIDE

Refrigerant Properties and Safety Guidelines

Key facts on Puron refrigerant, pressure, and safety.

Charging, Handling, and Service Notes

Guidelines for charging, filter driers, TXVs, and service for Puron.

Bryant 223A Specifications

General

Brand	Bryant
Model	223A
Category	Heat Pump
Language	English