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Application Guide and Service Manual Source: www.hvacmechanic.com
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Short Description: Refer to Table 1 for an Accessory Usage Guide for Air Condi- ... residential air conditioner and heat pump split systems that have a ...

Content Inside: Application Guide and Service Manual AIR CONDITIONERS AND HEAT PUMPS USING R-22 REFRIGERANT Cancels: AP01-3, SM01,02-4 SM01,02-5 10-00 NOTE: Read the entire instruction manual before starting the Fan Motors ..............................................................................21 installation. Service Alarm Control Board.................................................21 This symbol indicates a change since the last issue. Outdoor Thermostat(s)............................................................22 Compressor Plug.....................................................................24 TABLE OF CONTENTS Low-Voltage Terminals ..........................................................25 SAFETY CONSIDERATIONS .....................................................1 RECIPROCATING COMPRESSOR ..........................................25 Mechanical Failures ................................................................25 INTRODUCTION ..........................................................................2 Electrical Failures ...................................................................26 INSTALLATION GUIDELINE ....................................................2 System Cleanup After Burnout ..............................................27 Residential New Construction ..................................................2 Compressor Removal And Replacement ...............................27 Add-On Replacement (Retrofit) ...............................................2 COPELAND SCROLL COMPRESSOR ....................................28 Seacoast (For Air Conditioners Only) .....................................2 Features ...................................................................................28 ACCESSORY DESCRIPTIONS ...................................................2 Troubleshooting ......................................................................28 Compressor Crankcase Heater..................................................2 Discharge Thermostat .............................................................28 Evaporator Freeze Thermostat..................................................2 Discharge Solenoid Valve ......................................................28 Winter Start Control .................................................................2 MILLENNIUM SCROLL COMPRESSOR ................................29 Compressor Start Assist--PTC ................................................2 Features ...................................................................................29 Compressor Start Assist Capacitor/Relay ................................2 Compressor Protection............................................................29 Low-Ambient Controller ..........................................................2 Troubleshooting ......................................................................29 MotorMasterTM Control ............................................................2 Scroll Compressor, 3­Phase Monitor.....................................29 Low-Ambient Pressure Switch.................................................2 Wind Baffle...............................................................................3 TWO-SPEED SYSTEM ..............................................................29 Coastal Filter.............................................................................3 Cautions and Warnings...........................................................29 Support Feet ..............................................................................3 System Functions ....................................................................29 Liquid-Line Solenoid Valve .....................................................3 Factory Defaults......................................................................33 Thermostatic-Expansion Valve.................................................3 Major Components..................................................................33 Isolation Relay ..........................................................................3 LED Function/Malfunction Lights .........................................34 Troubleshooting ......................................................................34 LOW-AMBIENT GUIDELINE.....................................................3 REFRIGERATION SYSTEM .....................................................35 LONG-LINE GUIDELINE............................................................3 Refrigeration Cycle.................................................................35 Approved Systems ....................................................................3 Leak Detection ........................................................................35 Interconnecting Tubing Sizing .................................................3 Brazing ....................................................................................37 Metering Device Sizing ............................................................6 Service Valves ........................................................................38 Liquid-Line Solenoid And Tubing Configuration ...................7 Check-Flo-RaterTM (Bypass-Type) Heat Pumps Only...........39 Charging Information................................................................8 Reversing Valve......................................................................39 2­Speed Applications ...............................................................8 Thermostatic-Expansion Valves (TXV) .................................40 UNIT IDENTIFICATION .............................................................8 Thermostatic-Expansion Valve (Bi-Flow TXV)....................41 Product Number Stamped on Unit-Rating Plate......................8 Coil Removal ..........................................................................41 Serial Number Identification ....................................................9 Liquid-Line Strainer (Heat Pumps Only) ..............................41 CABINET.....................................................................................10 Accumulator ............................................................................43 Remove Top Cover--Before 1/1/92 ......................................10 Contaminant Removal ............................................................43 Remove Fan-Motor Assembly--Before 1/1/92 .....................10 System Charging.....................................................................43 Information Plate--Reliant Products......................................10 Checking Charge.....................................................................43 Control-Box Cover--Cube Products......................................10 CARE AND MAINTENANCE...................................................45 Remove Top Cover-- After 1/1/92 .......................................10 Remove Fan-Motor Assembly--After 1/1/92........................11 SAFETY CONSIDERATIONS ELECTRICAL..............................................................................12 Service and repair of these units should be attempted only by Aluminum Wire ......................................................................12 trained service technicians familiar with Bryant standard service Contactors................................................................................13 instructions and training manual. Capacitors................................................................................14 All equipment should be installed in accordance with accepted Cycle Protector........................................................................15 practices and unit Installation Instructions, and in compliance with Crankcase Heater ....................................................................16 all national and local codes. Time-Delay Relay...................................................................16 Power should be turned off when servicing or repairing electrical Pressure Switches....................................................................17 components. Extreme caution should be observed when trouble- Defrost Thermostats................................................................18 shooting electrical components with power on. Observe all warn- Defrost-Control Board ............................................................18 ing notices posted on equipment. --1--

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