Bryant 548F Manual do Utilizador

Form No. PDS 548F.36.4COMMERCIALSINGLE PACKAGE ROOFTOPSTANDARD AND HIGH EFFICIENCYHEAT PUMP UNITSStandard-efficiency (548F), and high-efficiency (542J

10CONTROLSOPERATING SEQUENCE — 548F036-120 AND 549B036-120Cooling, Units Without Economizer — When thermostat callsfor cooling, terminals G and Y1 are

100GUIDE SPECIFICATIONS — 548F AND 549B036-120 UNITS (cont)15. Compressor Cycle Delay:Unit shall be prevented from restarting for minimumof 5 min. aft

101MODEL NUMBER NOMENCLATURE — 542J150,180 UNITSNominal Cooling Capacity150 – 12 Tons180 – 15 TonsFactory-Installed OutdoorAir Upgrade OptionsC – Econ

102ARI* CAPACITY RATINGS542J150,180 UNITS LEGEND*Air-Conditioning and Refrigeration Institute.NOTES:542J units are rated in ac

103PHYSICAL DATA (cont)542J150,180 LEGEND*Weight of 14 in. roof curbUNIT 542J 150 180OPERATING WT (lb)Unit1615 1925Electric Heat65 65EconoMi$er

104BASE UNIT DIMENSIONS*Units with aluminum indoor and outdoor coil fins.UNIT542JMAXIMUM SHIPPING WEIGHT*Lb Kg1501895 8601802205 1000 LEGENDUNIT5

105ACCESSORY DIMENSIONSPKG NO. REF.CURBHEIGHTDESCRIPTIONCRRFCURB010A001′-2″(305)Standard Curb14″ HighCRRFCURB011A002′-0″(610)Standard Curb forUnits Re

106ACCESSORY DIMENSIONS (cont)Horizontal Adapter Installation — 542J150,180NOTE: CRRFCURB013A00 is a fully factory pre-assembled horizontaladapter whi

107ACCESSORY DIMENSIONS (cont)2'-1 5/8"2'-2 1/16"1'-6 5/16"Non-Fused Disconnect — 542J150,180Power Exhaust — 542J150,180

108SELECTION PROCEDURE (WITH 542J180 EXAMPLE)I DETERMINE HEATING AND COOLING REQUIRE-MENTS AT DESIGN CONDITIONS.Given:Required Cooling Capacity (TC).

109PERFORMANCE DATACOOLING CAPACITIESLEGENDNOTES:1. Direct interpolation is permissible. Do not extrapolate.2. The following formulas may be used:tlwb

11CONTROLS (cont)NOTE: Compressor no. 2 cannot be energized unless there is asignal for Y2 from the space thermostat.4. If compressor no. 2 is energiz

110PERFORMANCE DATA (cont)INTEGRATED HEATING CAPACITIES LEGEND NOTES:1. Integrated heating capacity ratings shown are not adjuste

111PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS LEGENDRefer to this page for general Fan Performance notes.

112PERFORMANCE DATA (cont)ACCESSORY/FIOP STATIC PRESSURE* (in. wg) — 542J150,180 LEGEND*Units with electric heat are not designed t

113PERFORMANCE DATA (cont)ELECTRIC HEATING CAPACITIES — 542J150,180*Maximum number of stages using accessory outdoor-air thermostats. NOTE: Heaters ar

114PERFORMANCE DATA (cont)INDOOR-FAN MOTOR PERFORMANCE — 542J150,180 LEGEND*Extensive motor and electrical testing on these units ensure

115TYPICAL WIRING SCHEMATIC542J180, 460-3-60 Shown50TFQ004-012542J150,180

116TYPICAL WIRING SCHEMATIC (cont)LEGEND AND NOTES FOR TYPICAL WIRING SCHEMATICAHA —Adjustable Heat AnticipatorBKR W/AT —Breaks with Amp TurnsC —Conta

117TYPICAL WIRING SCHEMATIC (cont)5L3 3L2 1L1 LINE6T3 4T2 2T1 LOADOptional Non-Fused Disconnect — 542J150,180NOTES:1. If the non-fused disconne

118GUIDE SPECIFICATIONS — 542J150,180 UNITSPACKAGED ROOFTOP AIR-TO-AIR HEAT PUMP — CON-STANT VOLUME APPLICATIONHVAC GUIDE SPECIFICATIONSSIZE RANGE: 12

119GUIDE SPECIFICATIONS — 542J150,180 UNITS (cont)b. E-Coated aluminum-fin coils shall have a flexibleepoxy polymer coating uniformly applied to all

12CONTROLS (cont)Heating, Units Without Economizer — With unit main poweron, set thermostat at HEAT position and desired room tempera-ture. Set fan sw

120GUIDE SPECIFICATIONS — 542J150,180 UNITS (cont)K. Electrical Requirements:All unit power wiring shall enter unit cabinet at a singlefactory-predril

121GUIDE SPECIFICATIONS — 542J150,180 UNITS (cont)15. Power Exhaust Accessory:Power exhaust shall be used to provide systemexhaust of up to 100% of re

Copyright 2002 Bryant Heating & Cooling Systems Printed in U.S.A. 1/02 Catalog No. 5254-804SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICEUNIT MUS

13CONTROLS (cont)OPERATING MODESBP —Building Pressurization: Indoor fan on, economizer energized to fully open position, power exhaust disabled.E—Evac

14CONTROLS (cont)LEGENDAPPLICATION DATA1. OUTDOOR INSTALLATION — Units approved for outdoorinstallation only.2. DUCTWORK — Secure vertical discharge d

15APPLICATION DATA (cont)Concentric Duct Distribution —542J150,180NOTE:1. Do not drill in this area, damage to basepan may result inwater leak.2. A 90

16TYPICAL PIPING AND WIRINGVertical Discharge Ducting — 548F036-120 and 549B036-120Horizontal Discharge Ducting — 548F036-120 and 549B036-120LEGENDNEC

17TYPICAL PIPING AND WIRING (cont)LEGENDNOTES:1. Illustration shown is a general guide only and is not intended for or to include all details for any

18MODEL NUMBER NOMENCLATURE — 548F UNITS(ODS Model Number)ARI* CAPACITY RATINGS548F036-060548F072-120LEGEND*Air Conditioning and Refrigeration Institu

19PHYSICAL DATA548F036-072LEGEND*Weight of 14-in. roof curb.†Single phase/three phase.NOTE: The 548F units have a loss-of-charge switch located in the

2TABLE OF CONTENTSPageFeatures/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Options and Accessories . . . . . . . .

20PHYSICAL DATA (cont)548F090-120 LEGEND*Weight of 14-in. roof curb.NOTE: The 548F units have a loss-of-charge switch located in the liqu

21BASE UNIT DIMENSIONS548F036-07250TFQ004-012548F036-120

22BASE UNIT DIMENSIONS (cont)548F090-12050TFQ004-012548F036-120

23ACCESSORY DIMENSIONSTO ENSURE AIRTIGHT CONNECTION.PLACE UNIT AS CLOSE TO THISEND AS POSSIBLETO ENSURE AIRTIGHT CONNECTION.PLACE UNIT AS CLOSE TO THI

24ACCESSORY DIMENSIONS (cont)TO ENSURE AN AIRTIGHT CONNECTION,PLACE UNIT ON CURB AS CLOSE TODUCT END AS POSSIBLE.TO ENSURE AN AIRTIGHT CONNECTION,PLAC

25SELECTION PROCEDURE (WITH 548F048 EXAMPLE)I DETERMINE COOLING AND HEATING LOADS ATDESIGN CONDITIONS.Given:Required Cooling Capacity (TC) . . . . . .

26PERFORMANCE DATACOOLING CAPACITIES548F036 (3 TONS)Temp (F)OutdoorEntering Air(Edb)Indoor Entering Air — Cfm/BF900/0.10 1200/0.15 1500/0.21Indoor Ent

27PERFORMANCE DATA (cont)COOLING CAPACITIES (cont)548F072 (6 TONS)Temp (F)OutdoorEntering Air(Edb)Indoor Entering Air — Cfm/BF1800/0.10 2400/0.13 3000

28PERFORMANCE DATA (cont)COOLING CAPACITIES (cont)LEGENDNOTES:1. Direct interpolation is permissible. Do not extrapolate.2. The following formulas may

29PERFORMANCE DATA (cont)INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) LEGEND NOTES:1. indicate

3INTEGRATED ECONOMI$ERS AND OUTDOOR AIROptional EconoMi$ers and manual outdoor-air dampers intro-duce outdoor air which mixes with the conditioned air

30PERFORMANCE DATA (cont)INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) LEGEND NOTES:1. indicates

31PERFORMANCE DATA (cont)INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) LEGEND NOTES:1. indicates

32PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITSLEGENDRefer to page 51 for general Fan Performance notes.LEGEND*Motor drive range:

33PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGENDRefer to page 51 for general Fan Performance notes.LEGEND*Motor drive

34PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGENDRefer to page 51 for general Fan Performance notes.LEGEND*Motor drive

35PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 1300 to 1685 rpm. All other rpms require field-sup

36PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 1300 to 1685 rpm. All other rpms require field-sup

37PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGEND*Standard motor drive range: 590 to 840 rpm. Alternate motor driverang

38PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 860 to 1080 rpm. All other rpms require field-supp

39PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 685 to 935 rpm. All other rpms require field-suppl

4OPTIONS AND ACCESSORIES*Factory-installed.†Field-installed.**Special order/DEC only.NOTES: 1. Refer to unit price pages or contact your local represe

40PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 860 to 1080 rpm. All other rpms require field-supp

41PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGEND*Standard motor drive range: 685 to 935 rpm. Alternate motor driverang

42PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITSLEGENDRefer to page 51 for general Fan Performance notes.LEGEND*Motor drive range

43PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGENDRefer to page 51 for general Fan Performance notes.LEGEND*Motor driv

44PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGENDRefer to page 51 for general Fan Performance notes.LEGEND*Motor driv

45PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 1300 to 1685 rpm. All other rpms require field-s

46PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 1300 to 1685 rpm. All other rpms require field-s

47PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 590 to 840 rpm. Alternate motor drive range: 685

48PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 860 to 1080 rpm. All other rpms require field-su

49PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 685 to 935 rpm. All other rpms require field-sup

5OPTIONS AND ACCESSORIES (cont)LOW AMBIENT CONTROLSStandard units are designed to operate in cooling at outdoor temperatures down to 25 F (for size 03

50PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGEND*Motor drive range: 860 to 1080 rpm. All other rpms require field-su

51PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGEND*Standard motor drive range: 685 to 935 rpm. Alternate motor drivera

52PERFORMANCE DATA (cont)ACCESSORY/FIOP STATIC PRESSURE* (in. wg) — 548F036-072LEGENDFIOP — Factory-Installed Option*The static pressure must be added

53PERFORMANCE DATA (cont)FLOW (cfm)00.10.20.30.40.5STATIC PRESSURE (in. wg)2 FANSOPERATING1 FANOPERATING2500200015001000500050004000300020001000000.10

54PERFORMANCE DATA (cont)ELECTRIC HEATING CAPACITIES*Two heater packages required to provide kW indicated.†On units with factory-installed outlet, use

55PERFORMANCE DATA (cont)INDOOR-FAN MOTOR PERFORMANCE — 548F UNITSLEGENDBHP — Brake Horsepower*Extensive motor and electrical testing on these units e

56ELECTRICAL DATAUNITS WITHOUT ELECTRICAL CONVENIENCE OUTLETNOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-P H-HzIFMTYPEVO

57ELECTRICAL DATA (cont)UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont)NOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-P

58ELECTRICAL DATA (cont)UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont)NOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-P

59ELECTRICAL DATA (cont)UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont)NOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-P

6OPTIONS AND ACCESSORIES (cont)CONTROLLERBAROMETRICRELIEF DAMPERSOUTDOOR AIRTEMPERATURESENSORGEAR-DRIVENDAMPERACTUATORECONOMI$ERPLUG204060801000ABCDOF

60ELECTRICAL DATA (cont)UNITS WITH ELECTRICAL CONVENIENCE OUTLETNOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-PH-HzIFMTYP

61ELECTRICAL DATA (cont)UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont)NOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-P H-

62ELECTRICAL DATA (cont)UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont)NOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-PH-H

63ELECTRICAL DATA (cont)UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont)NOTE: Legend and Notes for Electrical Data are on page 64.UNIT548FNOMINALV-PH -

64ELECTRICAL DATA (cont)LEGEND AND NOTES FOR ELECTRICAL TABLESLEGEND*Heaters are field installed only.†Used to determine minimum disconnect size per N

65TYPICAL WIRING SCHEMATICLEGENDAHA —Adjustable Heat AnticipatorAWG —American Wire GageC —Contactor, CompressorCAP —CapacitorCB —Circuit BreakerCC —Co

66TYPICAL WIRING SCHEMATIC (cont)12-PINFEMALE111210956784321MOLEXCONNECTORPL6121110987654321REDBLUBLKBRNGRYVIOPNKYELORNFIELD INSTALLEDOPTIONRATOATVIOW

67MODEL NUMBER NOMENCLATURE(ODS Model Number)ARI* CAPACITY RATINGS549B036-060549B072-120LEGEND*Air Conditioning and Refrigeration Institute.†Applies o

68PHYSICAL DATA549B036-072 LEGENDBASE UNIT 549B 036 048 060 072NOMINAL CAPACITY (tons)34 5 6OPERATING WEIGHT (lb)Unit500 550 590 630Durab

69PHYSICAL DATA (cont)549B090,120 LEGENDBASE UNIT 549B 090 120NOMINAL CAPACITY (tons)71/210OPERATING WEIGHT (lb)Unit870 1000Durablade Eco

7OPTIONS AND ACCESSORIES (cont)Factory-installed, internally mounted, NEC (National ElectricalCode) and UL (Underwriters’ Laboratories) approved non-f

70BASE UNIT DIMENSIONS549B036-07250TFQ004-012549B036-120

71BASE UNIT DIMENSIONS (cont)549B090,12050TFQ004-012549B036-120

72ACCESSORY DIMENSIONSTO ENSURE AIRTIGHT CONNECTION.PLACE UNIT AS CLOSE TO THISEND AS POSSIBLETO ENSURE AIRTIGHT CONNECTION.PLACE UNIT AS CLOSE TO THI

73ACCESSORY DIMENSIONS (cont)TO ENSURE AN AIRTIGHT CONNECTION,PLACE UNIT ON CURB AS CLOSE TODUCT END AS POSSIBLE.TO ENSURE AN AIRTIGHT CONNECTION,PLAC

74SELECTION PROCEDURE (WITH 549B048 EXAMPLE)I DETERMINE COOLING AND HEATING REQUIRE-MENTS AT DESIGN CONDITIONS.Given:Required Cooling Capacity (TC). .

75PERFORMANCE DATACOOLING CAPACITIES549B036 (3 Tons)Temp (F)OutdoorEntering Air(Edb)Indoor Entering Air — Cfm/Bf900/0.13 1200/0.17 1500/0.19Indoor Ent

76PERFORMANCE DATA (cont)COOLING CAPACITIES (cont)549B072 (6 Tons)Temp (F)OutdoorEntering Air(Edb)Indoor Entering Air — Cfm/Bf1800/0.06 2100/0.066 240

77PERFORMANCE DATA (cont)INSTANTANEOUS AND INTEGRATED HEATING RATINGS LEGEND NOTES:1. indicates integ

78PERFORMANCE DATA (cont)INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) LEGEND NOTES:1. indicate

79PERFORMANCE DATA (cont)INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) LEGEND NOTES:1. indicate

8OPTIONS AND ACCESSORIES (cont)Outdoor coil hail guard accessory (field installed) protects coilsagainst damage from hail and other flying debris.Coil

80PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITSLEGENDRefer to page 87 for general Fan Performance notes.NOTES:1.Boldface indicates

81PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGENDRefer to page 87 for general Fan Performance notes.NOTES:1.Boldface in

82PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGENDRefer to page 87 for general Fan Performance notes.NOTES:1.Boldface in

83PERFORMANCE DATA (cont)FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)LEGENDRefer to page 87 for general Fan Performance notes.NOTES:1.Boldface in

84PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITSLEGENDRefer to page 87 for general Fan Performance notes.NOTES:1.Boldface indicat

85PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGENDRefer to page 87 for general Fan Performance notes.NOTES:1.Boldface

86PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGENDRefer to page 87 for general Fan Performance notes.NOTES:1.Boldface

87PERFORMANCE DATA (cont)FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)LEGENDRefer to this page for general Fan Performance notes.NOTES:1.Boldfac

88PERFORMANCE DATA (cont)ACCESSORY/FIOP STATIC PRESSURE* (in. wg) — 549B036-072LEGENDFIOP — Factory-Installed Option*The static pressure must be added

89PERFORMANCE DATA (cont)OPTIONAL POWER EXHAUSTPOWER REQUIREMENTS INDOOR-FAN MOTOR DATA — 549B036-120LEGEND*Extensive motor and electrical testing on

9OPTIONS AND ACCESSORIES (cont)This is included as a factory-installed option. It per-mits quick and simple indoor-fan access.This is included as a fa

90PERFORMANCE DATA (cont)ELECTRIC HEATING CAPACITIES ELECTRIC HEATING CAPACITIES (cont)*Two heater packages required to provide kW indicated.†On units

91ELECTRICAL DATAUNITS WITHOUT ELECTRICAL CONVENIENCE OUTLETUNIT549BNOMINAL VOLTAGE(V-Ph-Hz)VOLTAGERANGECOMPRESSOR OFM IFMELECTRICHEAT*POWERSUPPLYMINI

92ELECTRICAL DATA (cont)UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont)LEGEND AND NOTES FOR ELECTRICAL DATA TABLES LEGEN

93ELECTRICAL DATA (cont)UNITS WITH ELECTRICAL CONVENIENCE OUTLETUNIT549BNOMINAL VOLTAGE(V-Ph-Hz)VOLTAGERANGECOMPRESSOR OFM IFMELECTRICHEAT*POWERSUPPLY

94ELECTRICAL DATA (cont)UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont)LEGEND AND NOTES FOR ELECTRICAL DATA TABLES LEGEND*U

95TYPICAL WIRING SCHEMATIC549B036-12050TFQ004-012549B036-120

96TYPICAL WIRING SCHEMATIC (cont)LEGEND FOR TYPICAL WIRING SCHEMATICIMPORTANT: Consult unit wiring label for actual wiring schematic.NOTES:1. If any o

97GUIDE SPECIFICATIONS — 548F AND 549B036-120 UNITSPACKAGED ROOFTOP AIR-TO-AIR HEAT PUMP — CONSTANT VOLUME APPLICATIONHVAC GUIDE SPECIFICATIONSSIZE RA

98GUIDE SPECIFICATIONS — 548F AND 549B036-120 UNITS (cont)b. E-Coated aluminum-fin coils shall have a flexibleepoxy polymer coating uniformly applied

99GUIDE SPECIFICATIONS — 548F AND 549B036-120 UNITS (cont)K. Electrical Requirements:All unit power wiring shall enter unit cabinet at a singlefactory