Bryant 548J Instrukcja Użytkownika

548JSINGLE PACKAGE HEAT PUMP/ELECTRIC HEATNOMINAL 3 TO 8.5 TONSWITH PURONR(R--410A) REFRIGERANTService and Maintenance InstructionsTABLE OF CONTENTSSA

10Avoid sprayin g in horizontal pattern to minimize poten-tial for fin damage.7. Ensure cleaner thoroughly penetrates deep into fi nnedareas.8. Interi

100Manufacturer r es er ves the right to disc ontinue, or change at any time, specifications or designs without notice and without incurr ing obligati

11To EvaporatorCoilCircuitsFromLiquidHeaderMeteringOrificeC09229Fig. 15 -- Heat Pump Acutrol — Flow as EvaporatorFunctionConverging circuit flow in th

12Table 5 – Defrost Mode04A---07A and 08D--- 09D/Circuit 2:ComponentStatus/PositionDefrost Thermostat ClosedOutdoor Fan(s) OffReversin g Valve Energiz

13PURONR(R--410A) REFRIGERANTThis unit is designed for use wit h Puron (R--410A)refrigerant. Do not use any other refrigerant i n thissystem.Puron (R-

14COOLING CHARGING CHARTSC09184Fig. 20 -- Cooling Charging Charts-- 548J*04AC09185Fig. 20 (cont.) -- Cooling Charging Charts -- 548J*05A548J

15C09186Fig. 20 (cont.) -- Cooling Charging Charts -- 548J*06AC09187Fig. 20 (cont.) -- Cooling Charging Charts -- 548J*07A548J

16C09188Fig. 20 (cont.) -- Cooling Charging Charts -- 548J*08DC09189Fig. 20 (cont.) -- Cooling Charging Charts -- 548J*09D548J

17Compressor RotationPERSONAL INJURY HAZARDFailure to follow this caution may result in personalinjury.CAUTION!On 3--phase units with scroll compresso

18Table 6 – Heating and Cooling TroubleshootingPROBLEM CAUSE REMEDYCompressor andOutdoor FanWill Not Start.Power failure. Call power company.Fuse blow

19CONVENIENCE OUTLETSELECTRICAL OPERATION HAZARDFailure to follow this warning could result in personalinjury or death.Units with conveni ence outlet

2ELECTRICAL OPERATION HAZARDFailure to follow this warning could result in personalinjury or death.Before performing service or maintena nce operation

20if the GFCI receptacle does not trip as required. Press theRESET button to clear the tripped condition.CO8283UNITVOLTAGECONNECTASPRIMARYCONNECTIONST

21OvertemperatureThe compressor has an internal protector to protect itagai nst excessively high discharge gas temperatures.High PressureSwitchThe sys

22C09276Fig. 27 -- Defrost Control Board (DFB) LocationTable 9 – 548J Defrost Board I/O and Jumper ConfigurationsInputsPoint Name Type of I/O Conne ct

23Auxiliary (Electric) Heat control — The 548J unit can beequipped with one or two auxiliary electric heaters, toprovide a second stage of Heating. Th

24Shorting the jumpers for a period of 5 to 20 secs bypassesthe remaining continuous run period and places the unit ina Forced Defrost mode. If the co

25Single Point Boxes and Supplementary Fuses — Whenthe unit MOCP device value exceeds 60--A, unit--mountedsupplementary fuses are required for each he

26SMOKE DETECTORSSmoke detectors are available as factory--installed optionson 548J models. Smoke detectors may be specified forSupply Air onl y or fo

27such as smoke from a fire, causes the sensor to signal analarm state but dust and debris accumulated over timedoes not.For installations using two s

286. For units with an economizer, the sampling tube is in-tegra ted into the economizer housing but the conne c-tion of the flexible tubing to the sa

29Sensor and Controller TestsSensor Alarm TestThe sensor alarm test checks a sensor’s ability to signal analarm state. This test requires that you use

3UNIT ARRANGEMENT AND ACCESSGeneralFig. 1 and Fig. 2 show general unit arrangement andaccess locations.INDOOR BLOWERACCESSCONTROL BOXCOMPRESSORS(D08-

30OPERATIONAL TEST HAZARDFailure to follow this caution may result in personneland authority concern.Changing the dirty sensor test operation will put

31Table 13 – Detector IndicatorsCONTROL OR INDICATOR DESCRIPTIONMagnetic test/reset switch Resets the sensor when it is in the alarm or trouble state.

32AlarmPowerTest/resetswitchTroubleC07298Fig. 45 -- Controller AssemblyNOTE: All troubles are latched by the duct smokedetector. The trouble condition

33RTU--MP CONTROL SYSTEMThe RTU--MP controlle r, see Fig. 46, provides expandedstand--alone operation of the HVAC system plusconnec tion and control t

34C099015Fig. 47 -- RTU --MP System Control Wiring Diagram – 548J*04A — 548J*07A Units548J

35C099025Fig. 48 -- RTU --MP System Control Wiring Diagram – 548J*08D & 548J*09D Units548J

36Table 14 – R TU--MP Controller Inputs and OutputsPOINT NAMEBACnet OBJECTNAMETYPE OF I/OCONNECTION PINNUMBERSINPUTSSpace Temperature Sensor sptsens A

37Table 15 – Thermistor Resistance vs TemperatureValues for Space Temperature Sensor, Supply AirTemperature Sensor, and Outdoor Air TemperatureSensorT

38SENSENJ20-1J20-2C08460Fig. 52 -- RTU --MP T--55 Sensor ConnectionsConnect T--56 -- See Fig. 53 for T--56 internalconnec tions. Instal l a jumpe r be

39Differential Enthalpy Control — Differential enthalpycontrol is provided by sensing and comparing the outsideair and return air e nthalpy conditions

4Outside Air HoodOutside air hood inle t screens are permanentaluminum--mesh type filters. Check these for cleanliness.Remove the screens when cleanin

40Outdoor Air Quality Sensor (PNO 33ZCSENCO2 plusweathe rproof enclosure) — The outdoor air CO2sensor isdesigned to monitor carbon dioxide (CO2) level

41on manufacturer. Protocols do not change the function ofa controller; just make the front end user different.The RTU--MP can be set to communicate o

42C07170Fig. 64 -- BACview6Handheld ConnectionsRTU --MP TroubleshootingCommunication LEDsThe L EDs on the RTU--MP (see Fig. 46) i ndicate if thecontro

43Table 17 – Troubleshooting AlarmsPOINT NAMEBACnetOBJECTNAMEACTION TAKEN BYCONTROLRESETMETHODPROBABLE CAUSESafety Chain Alarm safety_chainAlarm Gener

44AlarmsAlarms can be checked through the network and/or thelocal access. All the alarms are listed in Table 17 withname , objec t name, action taken

45S Max Masters: Defines the highest MS/TP Master MACaddress on this MS/TP network. For example, if t here are3 master nodes on an MS/TP network, and

46Table 18 – Manufacture DateWhen troubleshooting, you may need to know a control module’s manufacture date.Obtain the manufacture date froma...NotesM

47N21. Verify that the BAS and controller are both set tospeak the N2 protocol. The protocol of the controlleris set via SW3 (switches 3, 4, 5, and 6)

48Economizer 2 Position DamperUnit Without Economizer or2 Position DamperC08631Fig. 68 -- EconoMi$er IV Wiring435286711011912PINKVIOLETBLACKBLUEYELLOW

49Table 21 – EconoMi$er IV Input/Output LogicINPUTS OUTPUTSDemand ControlVentilation (DCV)Enthalpy*Y1 Y2Compressor NTerminal†Outdoor ReturnStage1Stage

5460, 575-v Units208/230-v UnitsC09263Fig. 7 -- EMC Unit WiringECM Motor – The di rect--drive motor is an X13Electronically Commutated motor (ECM). An

50SUPPLY AIRTEMPERATURESENSORMOUNTINGLOCATIONSUPPLY AIRTEMPERATURESENSORC06033Fig. 71 -- Supply Air Sensor LocationThe temperature sensor looks like a

510510152025300.13 0.20 0.22 0.25 0.30 0.35 0.40 0.45 0.50STATIC PRESSURE (in. wg)FLOW IN CUBIC FEET PER MINUTE (cfm)C06031Fig. 74 -- Outdoor--Air Dam

52TR124 VacCOMTR24 Va cHOT12345EFEF1+_P1T1PTNEXH2V 10VEXHSetSet2V 10V2V 10VDCVDCVFreeCoolBCADSO+SR+SRSOAQ1AQDCVMinPosOpenMaxN1C06038Fig. 77 -- EconoMi

53To determine the minimum position setting, perform thefollowing procedure:1. Calculate the appropriate mixed air temperature usingthe following form

54graph with the left side of the chart to determine that therange configuration for the CO2sensor should be 1800ppm. The EconoMi$er IV controller wil

55EconoMi$e r IV PreparationThis procedure is used to prepare the EconoMi$er IV fortroubleshooting. No troubleshooting or testing is done byperforming

565. Return EconoMi$er IV settings and wiring to normalafte r completing troubleshooting.EconoMi$e r IV TroubleshootingCompletionThis procedure is use

57C09200Fig. 80 -- 50TCQ Typical Unit Wiring Diagram -- Control (D08, 208/230--3--60)548J

58PRE--START--UPPERSONAL INJURY HAZARDFailure to follow this warning could result in personalinjury or death.1. Follow recognized safety practices and

59Internal WiringCheck all electric al connections in unit control boxes.Tighten as required.Refrigerant Service PortsEac h unit system has two1/4” SA

6Table 2 – Motor Test VoltsUnit Voltage Motor Voltage Min---Max Volts208/230 230 190---250460 230 210---250575 460 420---5005. Apply a jumper at unit

60service test. Indoor fans a nd outdoor fans are controllednormally to maintain proper unit ope ration. All normalcooling alarms and alerts are funct

61InputsNOTE: For i nstallation of inputs and field installe daccessories, refer to the appropriate sections.Input 3This input is a discrete input and

62Economize rEconomize r ExistsThis point tells the controller if there is an economizerinstalled on the unit.Factory Default = NO if no economizerYES

63position. Compressor 2 contactor (C2) is energized;Compressor 2 starts and Circuit 2 operates in Coolingmode.When Cooling Stage 2 is satisfied, ther

64de--energized as the dampers close below the PE--Onsetpoint.Damper movement from full closed to full open (or viceversa) will take between 11/2and 2

65are restored and phase sequence is correct. If no 24-vcontrol power is available to the PMR, the red LED willbe off.RTU--MP Sequence of OperationThe

66look for a contact closure whenever the Supply Fan Rel ayis on. If it is not enabled then it will always be the samestate as the Supply Fan Relay. T

67the difference between the indoor air quality and anoptional outdoor air quality sensor. If the outdoor airquality is not present then a fixed value

68APPENDIX I. MODEL NUMBER SIGNIFICANCEMODEL NUMBER NOMENCLATURE1234567891011121314151617185 4 8 J P 0 6 A 0 0 0 A 0 B 0 A A --____________ ______ ___

69APPENDIX II. PHYSICAL DATAPhysical Data (Cooling) 3 -- 6 TONS548J*04A 548J*05A 548J*06A 548J*07ARefrigeration System#Circuits/#Comp./Type 1/1/Scroll

7Adjustable--Pitch Pulley on MotorThe motor pulley is an adjustable--pitch type that allows aservicer to implement changes in the fan wheel speed toma

70APPENDIX II. PHYSICAL DATA (cont.)Physical Data (Cooling) 7.5 -- 8.5 TONS548J*08D 548J*09DRefrigeration System#Circuits/#Comp./Type 2/2/Scroll 2/2/S

71APPENDIX III. FAN PERFORMANCEGeneral Fan Performance Notes:1. Interpolation is permissible. Do not extrapolate.2. External static pressure is the st

72APPENDIX III. FAN PERFORMANCETable 25 – 548J*04A ELECTRIC DRIVE, X13MOTOR, 3 TON HORIZONTAL SUPPLYSPEED(TORQUE)TAPCFM ESP BHP1900 0.70 0.31975 0.60

73APPENDIX III. FAN PERFORMANCE (cont.)Table 27 – 548J*05A ELECTRIC DRIVE, X13MOTOR, 4 TON HORIZONTAL SUPPLYSPEED(TORQUE)TAPCFM ESP BHP11200 0.75 0.48

74APPENDIX III. FAN PERFORMANCE (cont.)Table 29 – 548J*06A ELECTRIC DRIVE, X13MOTOR, 5 TON HORIZONTAL SUPPLYSPEED(TORQUE)TAPCFM ESP BHP11500 1.19 0.74

75APPENDIX III. FAN PERFORMANCE (cont.)Table 31 – 548J*04A 3 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP

76APPENDIX III. FAN PERFORMANCE (cont.)Table 33 – 548J*05A 4 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP

77APPENDIX III. FAN PERFORMANCE (cont.)Table 35 – 548J*06A 5 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP

78APPENDIX III. FAN PERFORMANCE (cont.)Table 37 – 548J*07A 6 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP

79APPENDIX III. FAN PERFORMANCE (cont.)Table 39 – 548J*08D 7.5 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BH

8HEAT PUMP REFRIGERATIONSYSTEMUNIT OPERATION AND SAFETY HAZARDFailure to follow this warning c ould cause personalinjury, death and/or equipment damag

80APPENDIX III. FAN PERFORMANCE (cont.)Table 41 – 548J*09D 8.5 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BH

81APPENDIX III. FAN PERFORMANCE (cont.)Table 43 – PULLEY ADJUSTMENTUnit Motor/Drive ComboMotor Pulley turns open0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5043phas

82APPENDIX IV. ELECTRICAL INFORMATIONTable 44 – 548J*04A 1--Stage Cooling 3 TONSV--Ph--HzVOLTAGERANGECOMP (ea) OFM (ea) IFMMIN MAX RLA LRA W ATTS FLA

83APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 47 – 548J*07A 1--Stage Cooling 6 TONSV --- P h --- H zVOLTAGERANGECOMP (ea) OFM (ea) IFMRLA LRA WAT

84APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 – Unit Wire/MOCP Sizing DataUNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER NO C.O. or UNPWR

85APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER w/ PWRD C

86APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER NO C.O. o

87APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER w/ PWRD C

88APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER NO C.O. o

89APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER w/ PWRD C

9OUTDOORCOILC09219Fig. 11 -- Cleaning Condenser Coil (Size 04--07 shown)C08206Fig. 12 -- Propping Up Top Panel4. For Sizes 04--07: Remove screws secur

90APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER NO C.O. o

91APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER w/ PWRD C

92APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER NO C.O. o

93APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER w/PWRD C.

94APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER NO C.O. o

95APPENDIX IV. ELECTRICAL INFORMATION (cont.)Table 50 — Unit Wire/MOCP Sizing Data (cont)UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER w/PWRD C.

96Legend and Notes for Table 50LEGEND:CO --- Convenient outletDISC --- DisconnectFLA --- Full load ampsIFM --- Indoor fan motorLRA --- Locked rotor am

97APPENDIX VI. MOTORMASTER SENSOR LOCATIONSSensorLocationC09191Fig. 81 -- 548J*04A Outdoor CircuitingSensorLocationC09192Fig. 82 -- 548J*05A Outdoor C

98APPENDIX VI. (cont) MOTORMASTER SENSOR LOCATIONSSensorLocationC09195Fig. 85 -- 548J*08D/09D Outdoor CircuitingManufacturer r es er ves the right to

99START-UP CHECKLIST(Remove and Store in Job File)I. PRELIMINARY INFORMATIONMODEL NO.: SERIAL NO.:DATE: TECHNICIAN:II. PRE-STAR T-UP (insert checkmark