Bryant PACKAGED HEAT PUMP 548J User Manual Page 1

548JPACKAGED HEAT PUMP3 TO 8.5 NOMINAL TONSProduct DataC08515(Optional hail guard shown.)This product has been designed and manufactured tomeet Energy

10Table 5 – PHYSICAL DATA (COOLING) 3 -- 6 TONS548J*04 548J*05 548J*06 548J*07Refrigeration System#Circuits/#Comp./Type 1/1/Scroll 1/1/Scroll 1/1/Scro

11Table 6 – PHYSICAL DATA (COOLING) 7.5 -- 8.5 TONS548J*08 548J*09Refrigeration System#Circuits/#Comp./Type 2/2/Scroll 2/2/ScrollPuronr refrig. (R---

12Table 7 – ELECTRIC HEAT -- ELECTRICAL DATA 3 TONSUNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATERPART NUMBERCRHEATERXXXXXXNOMPWR(kW)APPPWR(kW)SIN

13Table 7 -- (cont.) ELECTRIC HEAT -- ELECTRICAL DATA 4 TONSUNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATERPART NUMBERCRHEATERXXXXXXNOMPWR(kW)APPP

14Table 7 -- (cont.) ELECTRIC HEAT -- ELECTRICAL DATA 5 TONSUNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATERPART NUMBERCRHEATERXXXXXXNOMPWR(kW)APPP

15Table 7 -- (cont.) ELECTRIC HEAT -- ELECTRICAL DATA 6 TONSUNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATERPART NUMBERCRHEATERXXXXXXNOMPWR(kW)APPP

16Table 7 -- (cont.) ELECTRIC HEAT -- ELECTRICAL DATA 7.5 TONSUNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATERPART NUMBERCRHEATERXXXXXXNOMPWR(kW)AP

17Table 7 -- (cont.) ELECTRIC HEAT -- ELECTRICAL DATA 8.5 TONSUNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATERPART NUMBERCRHEATERXXXXXXNOMPWR(kW)AP

18WEIGHTS & DIMENSIONSC09018Fig. 1 -- Dimensions 548J 04 --07548J

19WEIGHTS & DIMENSIONS (cont.)C09019Fig. 2 -- Dimensions 548J 04 --07CBADC08337Fig. 3 -- Service ClearanceLOC DIMENSION CONDITIONA48” (1219 mm) Un

2TABLE OF CONTENTSPAGEFEATURES AND BENEFITS 3...MODEL NUMBER NOMENCLATURE 4...FACTORY OPTIONS & ACCESSORIES 5...

20WEIGHTS & DIMENSIONS (cont.)548J*04-07AROOFCURBACCESSORYCRRFCURB001A01CRRFCURB002A011’ - 2”[356]2’ - 0”[610]UNIT SIZEC08560Fig. 4 -- Curb Dimens

21WEIGHTS & DIMENSIONS (cont.)Horizontal Connections / EconomizerVertical Connections / EconomizerC08679Fig. 5 -- Dimensions 548J 08 --09548J

22WEIGHTS & DIMENSIONS (cont.)C08680Fig. 6 -- Dimensions 548J 08 --09CBADC08337Fig. 7 -- Service ClearanceLOC DIMENSION CONDITIONA48” (1219 mm) Un

23WEIGHTS & DIMENSIONS (cont.)548J08, 09548J08, 09UNIT SIZEROOFCURBACCESSORYCRRFCURB003A01CRRFCURB004A011’ - 2”[356]2’ - 0”[610]C08561Fig. 8 -- Cu

24APPLICATION DATAMin operating ambient temp (cooling):In mechanical cooling mode, your Bryant rooftop cansafely operate down to an outdoor a mbient t

25SELECTION PROCEDURE (WITH 548J*07 EXAMPLE)(Selection software by Bryant saves time by performing many of the steps below.)I. Determine cooling and h

26Table 8 – COOLING CAPACITIES 1--STAGE COOLING 3 TONS548J*04AMBIENT TEMPERATURE85 95 105 115EA (dB) EA (dB) EA (dB) EA (dB)75 80 85 75 80 85 75 80 85

27Table 9 – COOLING CAPACITIES 1--STAGE COOLING 4 TONS548J*05AMBIENT TEMPERATURE85 95 105 115EA (dB) EA (dB) EA (dB) EA (dB)75 80 85 75 80 85 75 80 85

28Table 10 – COOLING CAPACITIES 1--STAGE COOLING 5 TONS548J*06AMBIENT TEMPERATURE85 95 105 115EA (dB) EA (dB) EA (dB) EA (dB)75 80 85 75 80 85 75 80 8

29Table 11 – COOLING CAPACITIES 1--STAGE COOLING 6 TONS548J*07AMBIENT TEMPERATURE85 95 105 115EA (dB) EA (dB) EA (dB) EA (dB)75 80 85 75 80 85 75 80 8

3FEATURES AND BENEFITSS Up to 28% lighter than similar industry units. Lighter rooftops make easier replacement jobs.S 3 --8.5 ton units fit on existi

30Table 12 – COOLING CAPACITIES 2--STAGE COOLING 7.5 TONS548J*08AMBIENT TEMPERATURE85 95 105 115EA (dB) EA (dB) EA (dB) EA (dB)75 80 85 75 80 85 75 80

31Table 13 – COOLING CAPACITIES 2--STAGE COOLING 8.5 TONS548J*09AMBIENT TEMPERATURE85 95 105 115EA (dB) EA (dB) EA (dB) EA (dB)75 80 85 75 80 85 75 80

32Table 14 – HEATING CAPACITIES 3 TONS548J*04RETURNAIR(°Fdb)CFM(STANDARD AIR)TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db at 70% rh)--- 1 0 0 10 17 30

33Table 16 – HEATING CAPACITY 5 TONS548J*06RETURNAIR(°FDB)CFM(STANDARD AIR)TEMPERATURE AIR ENTERING OUTDOOR COIL (°F DB AT 70% RH)--- 1 0 0 10 17 30 4

34Table 18 – HEATING CAPACITY 7.5 TONS548J*08RETURNAIR(°Fdb)CFM(STANDARD AIR)TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db at 70% rh)--- 1 0 0 10 17 30

35Table 20 – STATIC PRESSURE ADDERS (Factory Options and/or Accessories)Economizer3 --- 6 T O N SCFM (in. wg) 600 800 1000 1250 1500 1750 2000 2250 25

36FAN PERFORMANCETable 21 – 548J*04 ELECTRIC DRIVE, X13 MOTOR,3 TON HORIZONTAL SUPPLYSPEED(TORQUE)TAPCFM ESP BHP1900 0.70 0.31975 0.60 0.301050 0.50 0

37FAN PERFORMANCE (cont.)Table 23 – 548J*05 ELECTRIC DRIVE, X13 MOTOR,4 TON HORIZONTAL SUPPLYSPEED(TORQUE)TAPCFM ESP BHP11200 0.75 0.481300 0.63 0.461

38FAN PERFORMANCE (cont.)Table 25 – 548J*06 ELECTRIC DRIVE, X13 MOTOR,5 TON HORIZONTAL SUPPLYSPEED(TORQUE)TAPCFM ESP BHP11500 1.19 0.741625 1.01 0.731

39FAN PERFORMANCE (cont.)Table 27 – 548J*04 3 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP RPM BHP RPM BHP

4MODEL NUMBER NOMENCLATURE1234567891011121314151617185 4 8 J P 0 6 A 0 0 0 A 0 B 0 A A --____________ ______ ________ ______Unit Type Design Revision5

40FAN PERFORMANCE (cont.)Table 29 – 548J*05 4 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP RPM BHP RPM BHP

41FAN PERFORMANCE (cont.)Table 31 – 548J*06 5 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP RPM BHP RPM BHP

42FAN PERFORMANCE (cont.)Table 33 – 548J*07 6 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP RPM BHP RPM BHP

43FAN PERFORMANCE (cont.)Table 35 – 548J*08 7.5 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP RPM BHP RPM B

44FAN PERFORMANCE (cont.)Table 37 – 548J*09 8.5 TON HORIZONTAL SUPPLYCFMAVAILABLEEXTERNALSTATICPRESSURE(IN.WG)0.2 0.4 0.6 0.8 1.0RPM BHP RPM BHP RPM B

45FAN PERFORMANCE (cont.)Table 39 – PULLEY ADJUSTMENTUNIT MOTOR/DRIVE COMBOMOTOR PULLEY TURN S OPEN0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5043phaseMedium Stati

46ECONOMIZER, BAROMETRI C RELI EF AND PE PERFORMANCE050010001500200025000 0.05 0.1 0.15 0.2 0.25 0.3RETURN DUCT STATIC PRESS URE (in. wg)RELIEF FLOW (

47ELECTRICAL INFORMATIONTable 40 – 548J*04 1--Stage Cooling 3 TONSV--Ph--HzVOLTAGERANGECOMP (ea) OFM (ea) IFMMIN MAX RLA LRA WATTS FLA TYPEMaxWATTSMax

48ELECTRICAL INFORMATION (cont.)Table 43 – 548J*07 1--Stage Cooling 6 TONSV --- P h --- H zVOLTAGERANGECOMP (ea) OFM (ea) IFMRLA LRA WATTS FLA TYPEMax

49Table 46 – MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITH OUT C.O. or U NPWR C.O.Nom(kW)FLAWIT

5FACTORY OPTIONS AND/OR ACCESSORIESTable 1 – FACTORY--INSTALLED OPTIONS AND FIELD--INSTALLED ACCESSORIESCATEGORY ITEMFACTORYINSTALLEDOPTIONFIELDINSTAL

50Table 46 – (cont.) M CA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITHOUT C.O. or UNPWR C.O.Nom(kW

51Table 46 – (cont.) M CA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITHOUT C.O. or UNPWR C.O.Nom(kW

52Table 46 – (cont.) M CA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITHOUT C.O. or UNPWR C.O.Nom(kW

53Table 46 – (cont.) M CA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITHOUT C.O. or UNPWR C.O.Nom(kW

54Table 46 – (cont.) M CA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITHOUT C.O. or UNPWR C.O.Nom(kW

55Table 47 – MCA/MOCP DETERMINATION WITH PWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITH PWRD C.O.Nom(kW)FLAWITHOUT P.E. WITH P.E.MCA MOCP

56Table 47– (cont.) MCA/M OCP DETERMINATION WITH PWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITH PWRD C.O.Nom(kW)FLAWITHOUT P.E. WITH P.E.

57Table 47 – (cont.) M CA/MOCP DETERMINATION WITH PWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELEC. HTR WITH PWRD C.O.Nom(kW)FLAWITHOUT P.E. WITH P.E

58Table 47 – (cont.) M CA/MOCP DETERMINATION WITH PWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER WITH PWRD C.O.Nom(kW)FLAWITHOUT P.E. WI

59Table 47 – (cont.) M CA/MOCP DETERMINATION WITH PWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER WITH PWRD C.O.Nom(kW)FLAWITHOUT P.E. WI

6FACTORY OPTIONS AND/OR ACCESSORIES (cont.)Economizer (dry--bulb or enthalpy)Economizers save money. They bring in fresh, outside airfor ventilation;

60Table 47 – (cont.) M CA/MOCP DETERMINATION WITH PWRD C.O.UNITN O M . V --- P H --- H ZIFMTYPEELECTRIC HEATER WITH PWRD C.O.Nom(kW)FLAWITHOUT P.E. WI

61TYPICAL WIRING DIAGRAMSC09063Fig. 17 -- 1--Stage Cooling Typical Power Diagram548J

62C09065Fig. 18 -- 2--Stage Cooling Typical Power Diagram548J

63C09067Fig. 19 -- Multi--Protocol Option Diagram548J

64C09062Fig. 20 -- 1--Stage Typical Wiring Diagram548J

65C09064Fig. 21 -- 2--Stage Typical Wiring Diagram548J

66SEQUENCE OF OPERATIONCooling, unit without economizerWhen thermostat calls for cooling, terminals G and Y1 areenergized. The indoor-fan contactor (I

67At the end of the defrost cycle, the electric heaters (ifinstalled) wil l be deenergize d; the reversing valves switchand the outdoor-fan motor will

68GUIDE SPECIFICATIONS -- 548J*04--09Note about this specification:Bryant created this specification in “Masterformat” as published by the Constructio

697. Shall have an LED display independently showing the status of serial comm unication, running, errors, power, alldigital outputs, and al l analog

7FACTORY OPTIONS AND/OR ACCESSORIES (cont.)Motormaster Head Pressure ControllerThe Motormaster motor controller is a low ambient, headpressure control

7023 40 13 Panel Air Filters23 40 13.13 Decentralized, Rooftop Units:23 40 13.13.A. Standard filter section1. Shall consist of factory--installed, low

715. Unit shall be fa ctory configured for vertical supply & return configurations.6. Unit shall be fi eld convertible from vertical to horizontal

722. Optional Pre--coated aluminum--fin condenser coils: on all models.a. Shall have a durable epoxy--phenolic coating to provide protection in mildly

733. Shall consist of factory--installed, low velocity, throw-- away 2 --in. thick fiberglass filters.4. Filters shall be standard, commercially avail

74n. Economizer controller shall accept a 2--10Vdc CO2sensor input for IAQ/DCV control. In this mode, dampersshall modulate the outdoor--air damper to

759. Fan/Filter Status Switch:a. Switch shall provide status of indoor evaporator fan (ON/OFF) or filter (CLEAN/DIRTY).b. Status shall be displayed ei

76(2.) Heater assemblies are provided with integral fusing for protection of internal heater circuits not exceeding48 amps each. Auto reset thermo lim

8Table 2 – ARI COOLING RATING TABLESCOOLING MODE548J*NOMINALCAPACITY(TONS)NET COOLINGCAPACITY(BTUH)TOTALPOWER(kW)SEER EER IPLV04A 3 37,000 3.3 13.40**

9Table 3 – MINIMUM -- MAXIMUM AIRFLOWS ELECTRIC HEATUNITCOOLING ELECTRIC HEATERSMINIMUM MAXIMUM MINIMUM MAXIMUM548J*04 900 1500 900 1500548J*05 1200 2