Bryant 549C - Manual

Bryant 549C

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Table of Contents:

  • Page 2 – TABLE OF CONTENTS
  • Page 3 – sensor for; SERVICE OPTIONS; • An integral non-fused disconnect switch within the rooftop unit; INDOOR-AIR QUALITY BEGINS WITH BRYANT ROOFTOPS; Optional proportional reacting CO
  • Page 4 – Quality Assurance; No factory-installed electric heaters; Quality Assurance
  • Page 5 – ARI* CAPACITY RATINGS; Economizer
  • Page 7 – OPTIONS AND ACCESSORIES; Refer to unit guide specifications, price pages, or contact your
  • Page 11 – CONVENIENCE OUTLET
  • Page 12 – Hinged access panels are not available on 548F units.
  • Page 13 – LOUVERED HAIL GUARD OPTON
  • Page 14 – PHYSICAL DATA
  • Page 16 – BASE UNIT DIMENSIONS
  • Page 18 – ACCESSORY DIMENSIONS
  • Page 20 – SELECTION PROCEDURE (WITH 548F048 EXAMPLE)
  • Page 21 – PERFORMANCE DATA — 548F; COOLING CAPACITIES; Direct interpolation is permissible. Do
  • Page 23 – INSTANTANEOUS AND INTEGRATED HEATING RATINGS
  • Page 24 – INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont); indicates integrated ratings.
  • Page 27 – FAN PERFORMANCE — VERTICAL DISCHARGE UNITS; See General Fan Performance notes below.; GENERAL FAN PERFORMANCE NOTES
  • Page 28 – FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont); indicates field-supplied drive is required.
  • Page 30 – See General Fan Performance notes on page 27.
  • Page 39 – FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
  • Page 40 – FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
  • Page 51 – Vertical EconoMi$erIV and
  • Page 55 – ELECTRICAL DATA — 548F
  • Page 57 – POWER EXHAUST ELECTRICAL DATA
  • Page 65 – TYPICAL WIRING SCHEMATICS — 548F
  • Page 66 – RUN
  • Page 67 – RED; Use copper conductors only.
  • Page 68 – TYPICAL PIPING AND WIRING — 548F; Vertical Discharge Ducting; National Electrical Code
  • Page 72 – both
  • Page 81 – SELECTION PROCEDURE (WITH 549B048 EXAMPLE)
  • Page 115 – FAN RPM AT MOTOR PULLEY SETTINGS*; †Indicates standard motor and drive package.; INDOOR-FAN MOTOR PERFORMANCE — STANDARD MOTORS
  • Page 117 – rated x; kW
  • Page 118 – MULTIPLICATION FACTORS
  • Page 119 – ELECTRICAL DATA — 549B
  • Page 127 – ELECTRICAL DATA — 549C; See Legend on page 128.
  • Page 129 – See Legend on page 130.
  • Page 134 – NEC —
  • Page 143 – CRRFCURB013A00 is a fully factory preassembled; ACCESSORY; Pre-Assembled Horizontal
  • Page 145 – SELECTION PROCEDURE (WITH 542J180 EXAMPLE)
  • Page 146 – PERFORMANCE DATA — 542J
  • Page 147 – INTEGRATED HEATING CAPACITIES
  • Page 152 – The following equation converts kW of heat energy to Btuh:
  • Page 153 – ELECTRICAL DATA — 542J
  • Page 154 – TYPICAL WIRING SCHEMATIC — 542J
  • Page 156 – Outdoor Air Temperature Sensor
  • Page 163 – CONTROLS; Heating, Units Without Economizer —
  • Page 165 – APPLICATION DATA; will not
  • Page 167 – CHANGEOVER STRATEGIES —; APPROXIMATE DRY BULB TEMPERATURE— °F (°C); Economizer Changeover Curves
  • Page 168 – ECONOMI$ERIV SENSOR USAGE; †CGCDXSEN004A00 is an accessory CO
Loading the manual

Form No. PDS548F-36-6

COMMERCIAL
SINGLE PACKAGE ROOFTOP
STANDARD AND HIGH EFFICIENCY
HEAT PUMP UNITS

Standard-Efficiency (548F), and High-Efficiency (549B, 549C,
542J) heat pump units offer:

• Pre-painted galvanized steel cabinet for long life and quality

appearance

• Commercial strength base rails with built-in rigging capability
• Convertible design for vertical or horizontal supply/return
• Non-corrosive, sloped condensate drain pan, meets

ASHRAE 62 (IAQ)

• Two-inch return-air filters
• A wide assortment of factory-installed options available,

including high-static drives that provide additional perfor-
mance range

• Factory-installed optional gear driven EconoMi$erIV (vertical

return for sizes 024-120 only) for use with standard rooftop
unit controls (includes CO

2

sensor control capability)

• Factory-installed optional gear driven EconoMi$er2 (vertical

return only) for use with third party controls (includes 4 to
20 mA actuator for demand control ventilation)

• State-of-the-art defrost system
• Dependable 4-way valve operation

Heat Options

• Field-installed electric heat available
• Glycol hydronic coils

FEATURES/BENEFITS

Every compact one-piece unit arrives fully assembled,
charged, tested, and ready to run.

QUIET, EFFICIENT OPERATION AND DEPENDABLE PER-
FORMANCE —

Compressors have vibration isolators for quiet

operation. Efficient fan and motor design permits operation at
low sound levels.

Unit sizes 090-180 offer lower utility costs through part-load
operation using 2 stages of cooling.

Quiet and efficient operation is provided by belt-driven indoor
fans (standard on all units over 5 tons). The belt-driven indoor
fan is equipped with variable-pitch pulleys which allow adjust-
ment within the rpm ranges of the factory-supplied pulleys.
Increased operating efficiency is achieved through computer-
designed coils featuring staggered internally enhanced copper
tubes. Fins are ripple-edged for strength, lanced, and double
waved for higher heat transfer.

Models 542J, 548F, 549B, 549C

Sizes 024-180

DuraPac and DuraPac Plus

2 to 15 Tons

548F036-072

549B036-072
549C024-060

548F090-120

549B090-120

542J150,180

50-1219

50-1304

50-1214

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Summary

Page 2 - TABLE OF CONTENTS

2 TABLE OF CONTENTS Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . 4,5ARI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,6Options and Accessories . . . . ...

Page 3 - sensor for; SERVICE OPTIONS; • An integral non-fused disconnect switch within the rooftop unit; INDOOR-AIR QUALITY BEGINS WITH BRYANT ROOFTOPS; Optional proportional reacting CO

3 INTEGRATED ECONOMIZERS AND OUTDOOR-AIRDAMPERS Available as options or accessories, economizers and manualoutdoor-air dampers introduce outdoor air which mixes with theconditioned air, improving indoor-air quality and often reducingenergy consumption. During a first stage call for cooling, if the o...

Page 4 - Quality Assurance; No factory-installed electric heaters; Quality Assurance

4 MODEL NUMBER NOMENCLATURE — 548F UNITS (ODS Model Number) MODEL NUMBER NOMENCLATURE — 549B AND 549C UNITS (ODS Model Number) Voltage DesignationE – 460-3-60 J – 208/230-1-60† P – 208/230-3-60 T – 575-3-60 548F E X 090 000 AA 548F – Single-PackageHeat PumpUnit X – No Heat Installed.(Field-installed...

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