Table of Contents
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163A / 165A
PREFERREDt SERIES AIR CONDITIONERS
WITH PURON
R
REFRIGERANT
1- -1/2 TO 5 NOMINAL TONS (SIZE 018 TO 060)
the environmentally sound refrigerant
Fig. 1 --- 163A / 165A
NOTE: Read the entire instruction manual before starting the
installation.
Installation Instructions
TM
TABLE OF CONTENTS
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Step 2 - - Install on Solid Pad
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Step 10- - Check OCT and OAT thermistor Attachment
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SUBCOOLING TABLE
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24 VOLT CONNECTION DIAGRAMS
PURONR REFRIGERANT QUICK REF. GUIDE
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Table of Contents
Related Manuals for Bryant Preferred 163A
Summary of Contents for Bryant Preferred 163A
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Page 1: Table Of Contents
163A / 165A PREFERREDt SERIES AIR CONDITIONERS WITH PURON REFRIGERANT 1- -1/2 TO 5 NOMINAL TONS (SIZE 018 TO 060) Installation Instructions TABLE OF CONTENTS PAGE SAFETY CONSIDERATIONS ..... . INSTALLATION RECOMMENDATIONS . -
Page 2: Safety Considerations
SAFETY CONSIDERATIONS INSTALLATION RECOMMENDATIONS Improper installation, adjustment, alteration, service, NOTE: In some cases noise in the living area has been traced to maintenance, or use can cause explosion, fire, electrical shock, or gas pulsations from improper installation of equipment. other conditions which may cause death, personal injury, or 1. -
Page 3: Installation
INSTALLATION 3/8--- IN. DIA. TIEDOWN KNOCKOUTS IN BASEPAN (2) PLACES Specifications for this unit in residential new construction market require the outdoor unit, indoor unit, refrigerant tubing sets, metering device, and filter drier listed in presale literature. There can be no deviation. Consult the Application Guideline and Service Manual –... - Page 4 INSTALLING TXV IN PLACE OF PISTON IN A RATED REPLACING TXV ON A RATED R- -22 INDOOR COIL INDOOR COIL (PRE- -2006) (PRE- -2006) 1. Pump system down to 2 psig and recover refrigerant. 1. Pump system down to 2 psig and recover refrigerant. 2.
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Page 5: Step 6 -Make Piping Connections
STEP 6 —Make Piping Connections CAUTION WARNING UNIT DAMAGE HAZARD PERSONAL INJURY AND ENVIRONMENTAL Failure to follow this caution may result in equipment HAZARD damage or improper operation. Failure to follow this warning could result in personal To prevent damage to unit or service valves observe the injury or death. - Page 6 Table 2—Accessory Usage REQUIRED FOR LOW---AMBIENT REQUIRED FOR LONG LINE Accessory APPLICATIONS APPLICATIONS* (Over 80 ft.) (0°F To 55 °F) Crankcase Heater Evaporator Freeze Thermostat (For non--- Evolution systems only) Winter Start Control (For non--- Evolution systems only) Thermal Expansion Valve (TXV) Hard Shutoff Compressor Start Assist Capacitor and Relay Low---ambient Pressure Switch...
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Page 7: Step 7 -Make Electrical Connections
DEEP VACUUM METHOD FINAL TUBING CHECK The deep vacuum method requires a vacuum pump capable of IMPORTANT: Check to be certain factory tubing on both pulling a vacuum of 500 microns and a vacuum gage capable of indoor and outdoor unit has not shifted during shipment. Ensure accurately measuring this vacuum depth. -
Page 8: Step 8 -Compressor Crankcase Heater
STEP 10 —Check OAT Thermistor and OCT Thermistor CONNECT GROUND AND POWER WIRES Attachments Connect ground wire to ground connection in control box for safety. Connect power wiring to contactor as shown in Fig. 8. Outdoor Air Temperature (OAT) Thermistor is factory installed by inserting the nibs on either sides of the thermistor body DISCONNECT through a keyhole in the bottom shelf of the control box and... -
Page 9: Step 11 -Start- -Up
STEP 11 —Start- -Up NOTE: If subcooling charging conditions are not favorable, charge must be weighed in accordance with unit rating plate, ±0.6 CAUTION oz/ft. of 3/8- -in. liquid line above or below 15 ft., respectively. Favorable conditions fall within the ranges given on the charging chart on the outdoor unit plate. -
Page 10: General Sequence Of Operation
GENERAL SEQUENCE OF OPERATION TIME DELAYS STANDARD THERMOSTAT The unit time delays include: Turn on power to indoor and outdoor units. Transformer is Five minute time delay to start cooling operation when energized. there is a call from the thermostat or user interface On a call for cooling, thermostat makes circuits R- -Y and R- -G. -
Page 11: Troubleshooting
Evolution Controlled low ambient cooling: If the LPS or HPS trips for five consecutive cycles, then unit operation is locked out for 4 hours and the appropriate fault code This unit is capable of low ambient cooling without a kit ONLY (See table 3) is displayed. - Page 12 IMPORTANT: The outdoor air thermistor and coil thermistor outdoor coil thermistors for proper resistance. Unplug the thermistor assembly from the circuit board and measure resistance are factory mounted in the correct locations. Do not re- -locate across each thermistor. For example, if the outdoor temperature is thermistor sensors.
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Page 13: Final Checks
THERMISTOR CURVE TEMPERATURE (DEG. F) A91431 Fig. 12 --- Resistance vs Temperature Chart Outdoor Coil Temp (OCT) Outdoor Air Temp (OAT) COMM STATUS A06134 Fig. 13 --- Single- -Stage Control Board FINAL CHECKS 5. Fill out Dealer Installation Checklist and place in customer file. - Page 14 Table 4—Required Liquid ---Line Temperature (°F) LIQUID REQUIRED SUBCOOLING TEMPERATURE (°F) PRESSURE AT SER- VICE VALVE (PSIG)
- Page 15 Single Stage AC A06087 Fig. 14 --- Evolution Control Four- -Wire Connection Wiring Diagrams (See Thermostat Installation Instructions for specific unit combinations) A06305 LEGEND 24--V FACTORY WIRING 24--V FIELD WIRING FIELD SPLICE CONNECTION A97368 Fig. 15 --- Non- -Communicating Standard Thermostat 3- -Wire 24V Circuit Connections (See Thermostat Installation Instructions for Specific Unit combinations) CAUTION ELECTRICAL OPERATION HAZARD...
- Page 16 TYPICAL FURNACE A/C THERMOSTAT A/C THERMOSTAT AIR CONDITIONER AIR CONDITIONER FAN COIL 24VAC HOT 24VAC COM W/W1 HEAT STAGE 1 Y/Y2 COOL STAGE 1 INDOOR FAN FIELD INSTALLED JUMPER WIRE A06304 Fig. 16 --- Non- -Communicating Standard Thermostat 2- -Wire 24V Circuit Connections (Applicable to units beginning with serial number 3006E and newer) NOTE: Wiring must conform to NEC or local codes.
- Page 17 PURONR (R- -410A) REFRIGERANT QUICK REFERENCE GUIDE S Puron refrigerant operates at 50- -70 percent higher pressures than R- -22. Be sure that servicing equipment and replacement components are designed to operate with Puron refrigerant. S Puron refrigerant cylinders are rose colored. S Recovery cylinder service pressure rating must be 400 psig, DOT 4BA400 or DOT BW400.
- Page 18 Catalog No. II 163A ---18---3 EBryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 06/06 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Replaces:II 163A--- 18--- 2...