Bryant LEGACY 213R Service Manual

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Applicat ion Guideline
and Service Manual
RESIDENTIAL AIR CONDITIONERS AND HEAT PUMP S
USING R--22 AND PURONR REFRIGERANT
TABLE OF CONTENTS
PAGE
UNIT IDENTIFICATION 2.............................
SAFETY CONSIDERATIONS 3.........................
INTRODUCTION 3...................................
INSTALLATION GUIDELINE 3........................
ACCESSORY DESCRIPTIONS 4 -- 5.....................
LOW--AMBIENT GUIDELINE 6 -- 7......................
LONG LINE GUIDELINE 8............................
CABINET ASSEMBLY & COMPONENTS 8 -- 10...........
ELECTRICAL 11 -- 13.................................
Aluminum Wire 11.................................
Contactor 11......................................
Capacitor 12......................................
Cycle Protector 12..................................
Crankcase Heater 13................................
Time--Delay Relay 13...............................
PRESSURE SWITCHES 13 -- 14.........................
Low--Pressure Switch (AC only) 13.................
High-- Pressure Switch (AC & HP) 14................
Loss Of Charge Switch (HP only) 14................
TECH ASSIST 14 -- 15.................................
DEFROST THERMOSTAT 16..........................
DEFROST CONTROL BOARD 16 -- 19...................
HK32EA001—Defrost Control 18..................
HK32EA003—Defrost Control 18 -- 19..............
FAN MOTOR 19......................................
COMPRESSOR PLUG 19..............................
LOW--VOLTAGE TERMINALS 19.......................
COPELAND SCROLL COMPRESSOR 20 -- 23............
Compressor Failures 20..............................
Mechanical Failures 20 -- 21..........................
Electrical Failures 22 -- 23............................
PAGE
REFRIGERATION SYSTEM 23 -- 31.....................
Refrigerant 23.....................................
Compressor Oil 23..................................
Servicing Systems on Roofs With Synthetic Materials 24....
Brazing 24........................................
Service Valves and Pump down 25 -- 27.................
Liquid Line Filter Drier 28...........................
Suction Line Filter Drier 28...........................
Accumulator 29....................................
Thermostatic Expansion Valve (TXV) 30 -- 31............
REFRIGERATION SYSTEM REPAIR 32 -- 34..............
Leak Detection 32..................................
Coil Removal 32...................................
Compressor Removal and Replacement 33...............
System Clean-- Up After Burnout 33....................
Evacuation 34.....................................
CHECK CHARGE 34..................................
TROUBLESHOOTING WITH SUPERHEAT 34 -- 44.........
TWO-- STAGE 45 -- 57.................................
Application Guidelines 45............................
Airflow Selections for 187ANA/286ANA using
Non-- Communicating Thermostats 46...................
Airflow Selections for FV Fan coils for 187ANA/286ANA
using Non --Communicating Thermostats 46..............
General Information 46..............................
Check Charge 47 -- 48...............................
System Function and Sequence of Operation 49...........
Fan Motor 50 -- 51..................................
Fan Motor Operation 50..........................
ECM Fan Motor Troubleshooting 51................
Time Delays 51....................................
Pressure Switches 51................................
Muf fler, Accumulator, Reversing Valve (RVS) 51..........
Thermistors 51.....................................
Control Box 52....................................
Troubleshooting 53 -- 57.............................
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Summary of Contents

Page 1 - Applicat ion Guideline

Applicat ion Guidelineand Service ManualRESIDENTIAL AIR CONDITIONERS AND HEAT PUMP SUSING R--22 AND PURONR REFRIGERANTTABLE OF CONTENTSPAGEUNIT IDENTI

Page 2 - UNIT IDENTIFICATION

10LabelingThe wiring schematic, sub--cooling charging tables withinstructions, and warning labels. Refer to Fig. 5 for label location.Fig. 5 – Figure

Page 3 - INSTALLATION GUIDELINE

11ELECTRICALELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.Exercise extreme caution when working on any

Page 4 - ACCESSORIES

12CapacitorELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or equipment damage.Capacitors can store electrical en

Page 5 - ACCESSORY DESCRIPTIONS

13Crankcase HeaterCrankcase heater is a device for keeping compressor oil warm. Bykeeping oil warm, refrigerant does not migrate to and condense incom

Page 6

14High--Pressure Switch (AC &HP)The high--pressure switch is located in liquid line and protectsagainst excessive condenser coil pressure. It open

Page 7 - MATL: 20 GA STEEL

15Table 3—TechAssistt Diagnostics--at-- a --GlanceLEDDescription ON OFFY Thermostat cooling call Yes No... ... ...HPS High Pressure Swit

Page 8 - CABINET ASSEMBLY

16FEEDER TUBEDEFROSTTHERMOSTATSTUB TUBEA97517Fig. 9 – Defrost Thermostat LocationDefrost ThermostatsDefrost thermostat signals heat pump that conditio

Page 9

17Troubleshooting(HK32EA001)If outdoor unit will notrun:1. Does the Y input has 24 volts from thermostat? If not,check thermostat or wire. If yes proc

Page 10 - Labeling

1814. Remove jumper between DFT and R terminals. Reconnectdefrost thermostat leads. Failure to remove jumper causesunit to switch to defrost every 30,

Page 11 - ELECTRICAL

19Deluxe Defrost Speedup (HK32EA003CONT.)To initiate a force defrost, speedup pins (J1) must be shorted with aflat head screwdriver for 5 seconds and

Page 12 - Cycle Protector

2TABLE OF CONTENTS (CONTINUED)CARE AND MAINTENANCE 58 -- 59...PURON QUICK REFERENCE GUIDE 59...PRESSURE VS. TEMPERATURE

Page 13 - Pressure Switches

20COPELAND SCROLLCOMPRESSORScroll Gas FlowCompression in the scroll iscreated by the interaction ofan orbiting spiral and a stationary spiral. Gas ent

Page 14 - Tech Assist

21Noisy CompressorNoise may be caused by a variety of internal and external factors.Careful attention to the “type” of noise may help identify thesour

Page 15 - Indication

22POWER OFF!OHMMETER0-10Ω SCALE5.2Ω0.6Ω5.8ΩDEDUCTION:(EXAMPLE) TO DETERMINE INTERNAL CONNECTIONS OF SINGLE- PHASE MOTORS (C,S,R) EXCEPT SHADED-POLE???

Page 16 - Defrost Control Board

23GroundCircuitTo determine if a wire has broken or come in direct contact withshell, causing a direct short to ground, follow these steps:1. Allow cr

Page 17

24Table 5 —Oil ChargingREFRIGERANT COMPRESSOR MODEL RECHARGE (FL OZ) OIL TYPECOPELANDPURON ZP16---26 38 3MA POE (32 cSt)PURON ZP32---41 42 3MA POE (32

Page 18 - HK32EA003

25Service Valves and PumpdownPERSONAL INJURY AND UNIT DAMAGEHAZARDFailure to follow this warning could result in personalinjury or equipment damage.Ne

Page 19 - Low--Voltage Terminals

26Heating Piston (AccuRaterr) -- Heat Pumps OnlyIn this product line, AccuRater pistons are used to meter refrigerantfor heat pump heating mode only.

Page 20 - Mechanical Failures

27Reversing ValveIn heat pumps, changeover between heating and cooling modes isaccomplished with a valve that reverses flow of refrigerant insystem. T

Page 21

28Liquid Line Filter DrierFilter driers are specifically designed for R--22 or Puronrrefrigerant. Only operate with the appropriate drier using factor

Page 22 - Electrical Failures

29AccumulatorThe accumulator is specifically designed to operate with Puronror R22 respectfully; use only factory-- authorized components.Under some l

Page 23 - REFRIGERATION SYSTEM

3SAFETY CONSIDERATIONSInstallation, service, and repair of these units should be attemptedonly by trained service technicians familiar with standard s

Page 24 - Materials

30Thermostatic Expansion Valve (TXV)All fan coils and furnace coils will have a factory installedthermostatic expansion valve (TXV). The TXV will be a

Page 25 - Service Valves and Pumpdown

31Replacing TXV on an Indoor Coil(pre-- 2006)1. Pump system down to 2 psig and recover refrigerant.2. Remove coil access panel and fitting panel from

Page 26 - SWEAT/FLARE ADAPTER

32REFRIGERATION SYSTEM REPAIRLeak DetectionNew installations should be checked for leaks prior to completecharging. If a system has lost all or most o

Page 27 - Reversing Valve

33Compressor Removal and ReplacementOnce it is determined that compressor has failed and the reasonestablished, compressor must be replaced.PERSONAL I

Page 28 - Suction Line Filter Drier

34EvacuationProper evacuation of the system will remove non --condensiblesand assure a tight, dry system before charging. The 2 methods usedto evacuat

Page 29 - 430° FUSE

35⎯ Check refrigerant pressure at vapor service valve andrefrigerant temperature at outlet of evaporator.⎯ Use suction line geometry (diameter and equ

Page 30 - Install TXV

36Pseudo Evaporator SuperheatInstructionsThe Pseudo Evaporator Superheat calculates the superheat at theoutlet of the evaporator with known and availa

Page 31 - Make Piping Connections

37Table 7—Puron System Suction Pressure DropNominalSize(Btuh)Suction LineOD(in.)PressureDrop(psi/100 ft)SuctionVelocityfpmPuron Suction Line Pressure

Page 32 - Coil Removal

38Table 8—R--22 System Suction Pressure DropNominalSize(Btuh)LineOD(in.)PressureDrop(psi/100 ft)SuctionVelocityFpmR---22 Suction Line Pressure Drop (p

Page 33

39Table 9—Puronr Refrigerant Pressure Temperatur e ChartPSIGPSIG°FPSIG°FPSIG°FPSIG°FPSIG°FPSIG°F12 --38.2 118 39.9 224 76.9 330 102.9 436 123.3 542 14

Page 34

4ACCESSORIESTable 1—Required Field--Installed Accessories for Air ConditionersAccessoryREQUIRED FOR LOW---AMBIENTCOOLING APPLICATIONS(Below 55°F / 12.

Page 35

40Table 10—R--22 Refrigerant Pressure Temperature Relationshippsig°Fpsig°Fpsig°Fpsig°Fpsig°Fpsig°Fpsig°F7 --25.9 71 41.7 135 76.2 199 101.1 263 120.9

Page 36 - 90° LONG RAD 45° STD

41Table 11—Puro n Subcooling Chart2 4 6 8 10 12 14 16 18 20200 70 68 66 64 62 60 58 56 54 52 50210 73 71 69 67 65 63 61 59 57 55 53220 76 74 72 70 68

Page 37

42Table 12—Puron Superheat Chart2 4 6 8 10 12 14 16 18 20 22 24 26 28 3080 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 5182 22 24 26 28 30 32 34 36 3

Page 38

43Table 13—R --22 Subcooling Chart2 4 6 8 10 12 14 16 18 20 22 24 26120 70 68666462605856545250484644125 72 70686664626058565452504846130 74 727068666

Page 39

44Table 14—R--22 Superheat Chart2 4 6 8 10 12 14 16 18 20 22 24 26 28 3050 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 5651 27 29 31 33 35 37 39 41 4

Page 40

45TWO--STAGE(286ANA, 288ANA, 180ANA, 187ANA)Application GuidelinesBryant designed and tested the two--stage air conditioner and heatpump products with

Page 41

46Make Airflow Selections for 187ANA/286ANAUsing Non-- Communicating (Non--Evolution)ThermostatsAirflow Selection for 58CVA/58MVB FurnacesThe 58CVA/58

Page 42

47QuietShiftQuiet Shift is a field--selectable defrost mode which may eliminateoccasional noise that could be heard at the start of the defrost cyclea

Page 43

48Table 16—Required Liquid-- Line Temperature (°F)LIQUID PRESSUREAT SERVICE VAL VE(PSIG)REQUIRED SUBCOOLING TEMPERA TURE (°F)8 10 12 14 16 18251 76 74

Page 44

49System Functions and Sequence of OperationThe outdoor unit control system has special functions. Thefollowing is an overview of the two--stage contr

Page 45 - TWO--STAGE

5ACCESSORY DESCRIPTIONSRefer to Table 1 for an Accessory Usage Guide for AirConditioners and Table 2 for Heat Pumps. Refer to the appropriatesection b

Page 46

50Fan MotorFan motor rotates the fan blade that either draws or blows airthrough outdoor coil to exchange heat between refrigerant and air.Motors are

Page 47 - Check Charge

51ECM Fan MotorTroubleshootingIf the outdoor fan motor fails to start and run:S Check the high--voltage supply. The unit need not berunning to check h

Page 48

52Control BoxContactor And CapacitorRemoval of the information plate exposes the control components.Both air conditioner and heat pump control boxes w

Page 49

53UTILITY RELAY *UTILITY SIGNALOPEN RELAY* SUPPLIED BY UTILITY PROVIDERMODEL PLUGLLSLiquid Line SolenoidMODEL PLUGA06525/.A06526Fig. 36 – 2-- Stage C

Page 50

54Compressor VoltageSensingThe control board input terminals labeled VS, VR and L2 on286ANA/187ANA models and VS and L2 on 288ANA/180ANAmodels (see Fi

Page 51 - THERMISTOR CURVE

55Thermistor SensorComparisonThe control continuously monitors and compares the outdoor airtemperature sensor and outdoor coil temperature sensor to e

Page 52 - Control Box

56Table 19—TROUBLESHOOTINGOPERATION FAUL TAMBERLEDFLASHCODEPOSSIBLE CAUSE AND ACTIONStandby – no call for unit operation NoneOn solid,no flashNormal o

Page 53 - A06525/.A06526

57RVS/Heat Stage 2 O/B W2Heat Stage 1 W/W1Compressor Low Y1Compressor High Y/Y2Fan G24VAC Hot Heating Rh24VAC Hot Cooling RcDry Contact 1 D1Dry Contac

Page 54

58CARE AND MAINTENANCETo assure high performance and minimize possible equipmentmalfunction, it is essential that maintenance be performedperiodically

Page 55 - OCT Thermistor

59Final Check-- OutAfter the unit has been operating, the following items should bechecked.1. Check that unit operational noise is not excessive due t

Page 56 - Table 19—TROUBLESHOOTING

6LOW--AMBIENT COOLING GUIDELINEThe minimum operating temperature for these units in coolingmode is 55_F/12.7_C outdoor ambient without additionalacces

Page 57 - RYOWCHUM

60Table 20—Pressure vs. Temperature Chart -- Puronr Refrigerant (R--410a)PSIG °F PSIG °F PSIG °F PSIG °F PSIG °F PSIG °F12 –37.7 114 37.8 216 74.3 318

Page 58 - CARE AND MAINTENANCE

61Table 21—Required Liquid-- Line TemperatureLIQUID PRESSUREAT SERVICE VAL VE(PSIG)REQUIRED SUBCOOLING TEMPERA TURE (°F)8 10 12 14 16 18251 76 74 72 7

Page 59 - Final Check-- Out

62NO COOLING ORINSUFFICIENTCOOLINGCOMPRESSORWILL NOT RUNCONTACTOROPENPOWER SUPPLYDEFECTIVELOW-VOLTAGETRANSFORMEROPENTHERMOSTATOPEN CONTROLCIRCUITLOSS

Page 60

63NO HEATING ORINSUFFICIENTHEATINGCOMPRESSORWILL NOT RUNCONTACTOPENDEFECTIVE LOW-VOLTAGETRANSFORMERREMOTECONTROLCENTERDEFECTIVECONTACTORCOIL OPEN ORSH

Page 61

64NO COOLING ORINSUFFICIENTCOOLINGCOMPRESSORWILL NOT RUNCONTACTOROPENPOWER SUPPLYDEFECTIVELOW-VOLTAGETRANSFORMEROPENTHERMOSTATOPEN CONTROLCIRCUITLOSS

Page 62 - TROUBLESHOOTING CHART

65INDEX OF TABLESDESCRIPTION TABLE #Required Field--Installed Accessories for Air Conditioners 1...

Page 63 - TROUBLESHOOTING HEATING CYCLE

66Manufacturer reserves the right to discontinue, or c hange at any time, specifications or designs without notice and without incurring obligations.E

Page 64

7BAFFLE-1 MATL: 20 GA STEELA06230Deluxe U nits (in.)UNITSIZEAA UNIT HEIGHT A B C D E F G HMedium 3329---1/2 23--- 13/16 11---7/816 81.9 16---3/8 80.3

Page 65 - INDEX OF TABLES

8LONG LINE GUIDELINERefer to Long Line Guideline for Puronr Refrigerant AirConditioners and Heat Pumps or Long Line Guideline for R-- 2 2Air Condition

Page 66 - Replaces: NEW

9Access Compressor Or Other Internal CabinetComponentsNOTE: It is not necessary to remove the top cover to gain access.Removing the top cover may caus

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