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Bryant Legacy 577C K Series Installation Instructions Manual
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Bryant Legacy 577C K Series Installation Instructions Manual

13.4 seer2 single-packaged air conditioner and gas furnace system with puron (r-410a) refrigerant single phase 2-5 nominal tons (sizes 24-60), three phase 3-5 nominal tons (sizes 36-60)
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577C--K,
Legacy™13.4 SEER2 Single-Packaged Air
Conditioner and Gas Furnace System with Puron®
(R-410A) Refrigerant
Single Phase 2-5 Nominal Tons (Sizes 24-60)
Three Phase 3-5 Nominal Tons (Sizes 36-60)
IMPORTANT: Effective January 1, 2015, all split system and packaged
air conditioners must be installed pursuant to applicable regional
efficiency standards issued by the Department of Energy.
NOTE:
Read the entire instruction manual before starting the
installation.
NOTE:
Installer: Make sure the Owner's Manual and Service
Instructions are left with the unit after installation.

Table of Contents

Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pre-Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Start-up Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Fig. 1 - Unit 577C
(Low NOx Model Available)

Safety Considerations

Improper installation, adjustment, alteration, service maintenance, or use
can cause explosion, fire, electrical shock, or other conditions which
may cause death, personal injury, or property damage. Consult a
qualified installer, service agency, or your distributor or branch for
information or assistance. The qualified installer or agency must use
factory-authorized kits or accessories when modifying this product.
Refer to the individual instructions packaged with the kits or accessories
when installing.
Follow all safety codes. Wear safety glasses, protective clothing, and
work gloves. Have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in literature and
attached to the unit. consult local building codes, the current editions of
Installation Instructions
A09033
the National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1, and the
National Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the National Standards of
Canada CAN/CSA-B149.1 and 2 Natural Gas and Propane Installation
codes, and Canadian Electrical Code CSA C22.1
Recognize safety information. This is the safety-alert symbol
you see this symbol on the unit and in instructions or manuals, be alert to
the potential for personal injury. Understand these signal words: DAN-
GER, WARNING, and CAUTION. These words are used with the safe-
ty-alert symbol. DANGER identifies the most serious hazards which will
result in severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is used to iden-
tify unsafe practices which may result in minor personal injury or product
and property damage. NOTE is used to highlight suggestions which will
result in enhanced installation, reliability, or operation.
WARNING
!
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury and/or
death.
Carbon Monoxide (CO) is a colorless, odorless, and tasteless poisonous
gas that can be fatal when inhaled. Follow all installation, maintenance,
and service instructions. See additional information below regarding
the installation of a CO Alarm.
Most states is the USA and jurisdictions in Canada have laws that
require the use of Carbon Monoxide (CO) alarms with fuel burning
products. Examples of fuel burning products are furnaces, boilers, space
heaters, generators, water heaters, stoves/ranges, clothes dryers,
fireplaces, incinerators, automobiles, and other internal combustion
engines. Even if there are no laws in your jurisdiction requiring a CO
Alarm, it's highly recommended that whenever any fuel burning product
is used in or around the home or business that the dwelling be equipped
with a CO Alarm(s). The Consumer Product Safety Commission
recommends the use of CO Alarm(s). The CO Alarm(s) must be
installed, operated, and maintained according to the CO Alarm
manufacturer's instructions. For more information about Carbon
Monoxide, local laws, or to purchase a CO Alarm only, please visit the
following website
https://www.kidde.com
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Before installing or servicing system, always turn off main power to
system and install lockout tag. There may be more than one disconnect
switch. Turn off accessory heater power switch if applicable.
. When

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Summary of Contents for Bryant Legacy 577C K Series

  • Page 1: Table Of Contents

    577C--K, Legacy™13.4 SEER2 Single-Packaged Air Conditioner and Gas Furnace System with Puron® (R-410A) Refrigerant Single Phase 2-5 Nominal Tons (Sizes 24-60) Three Phase 3-5 Nominal Tons (Sizes 36-60) Installation Instructions IMPORTANT: Effective January 1, 2015, all split system and packaged the National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1, and the air conditioners must be installed pursuant to applicable regional National Electrical Code (NEC) NFPA 70.

  • Page 2: Introduction

    577C--K,: Installation Instructions Receiving and Installation WARNING Step 1 – Check Equipment Identify Unit FIRE, EXPLOSION, ELECTRICAL SHOCK AND The unit model number and serial number are stamped on the unit CARBON MONOXIDE POISONING HAZARD information plate. Check this information against shipping papers. Failure to follow this warning could result in personal injury or unit Inspect Shipment damage.
  • Page 3 577C--K,: Installation Instructions Rigging and handling of this equipment can be hazardous for many reasons due to the installation location (roofs, elevated structures, etc.). OPTIONAL OPTIONAL Only trained, qualified crane operators and ground support staff should RETURN SUPPLY OPENING OPENING handle and install this equipment.
  • Page 4 577C--K,: Installation Instructions A230133 Fig. 3 – 577C 24-30 Dimensions Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 5 577C--K,: Installation Instructions A230134 Fig. 4 – 577C 36-60 Dimensions Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 6 577C--K,: Installation Instructions SMALL/COMMON CURB SMALL SUPPLY BASE UNIT LARGE BASE RETURN UNIT UNIT PLACEMENT ON COMMON CURB SMALL OR LARGE BASE UNIT LARGE CURB A180216 B (large B (small / common UNIT CATALOG base) base) SIZE NUMBER IN. (mm) IN.
  • Page 7 577C--K,: Installation Instructions CAUTION - NOTICE TO RIGGERS PRUDENCE - AVIS AUX MANIPULATEUR ACCESS PANELS MUST BE IN PLACE WHEN RIGGING. PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION. Use top skid as spreader bar. / Utiliser la palette du haut comme barre de répartition DUCTS MINIMUM HEIGHT: 36"...
  • Page 8 577C--K,: Installation Instructions Table 1 – Physical Data UNIT SIZE 24040 24060 30040 30060 36060 36090 42060 42090 NOMINAL CAPACITY (ton) 2-1/2 2-1/2 3-1/2 3-1/2 SHIPPING WEIGHT lb. SHIPPING WEIGHT (kg) COMPRESSOR / QUANTITY Scroll / 1 REFRIGERANT (R-410A) Quantity lb. 5.75 5.75 Quantity (kg)
  • Page 9 577C--K,: Installation Instructions Table 1—Physical Data (Continued) UNIT SIZE 48090 48115 48130 60090 60115 60130 NOMINAL CAPACITY (ton) SHIPPING WEIGHT lb SHIPPING WEIGHT kg COMPRESSOR / QUANTITY Scroll / 1 REFRIGERANT (R-410A) Quantity lb 10.75 10.75 10.75 Quantity (kg.) REFRIGERANT METERING DEVICE Orifice ORIFICE ID in./mm .080 / 2.03...
  • Page 10 577C--K,: Installation Instructions These models meet the California maximum oxides of nitrogen (NOx) 2. When flexible connectors are used, the maximum length shall not emissions requirements of 40 nanograms/joule or less as shipped from exceed 36 in. (915 mm). the factory. 3.
  • Page 11 577C--K,: Installation Instructions screwdriver and hammer. Push cover down to break rear and left WARNING side tabs. These plastic knockouts are held in place with tabs similar to an electrical knockout. Discard plastic knockout covers. FIRE OR EXPLOSION HAZARD 5. Set unit on roof curb. Failure to follow this warning could result in personal injury, death 6.
  • Page 12 577C--K,: Installation Instructions use vapor barrier in accordance with latest issue of Sheet Metal and The field-supplied disconnect switch box may be mounted on the unit Air Conditioning Contractors National Association (SMACNA) over the high-voltage inlet hole when the standard power and and Air Conditioning Contractors of America (ACCA) minimum low-voltage entry points are used (See Fig.

  • Page 13: Pre-Start-Up

    577C--K,: Installation Instructions Pre-Start-up Standard Connection Run the low-voltage leads from the thermostat, through the inlet hole, WARNING and into unit low-voltage splice box. Locate six (seven for 3-phase) 18-gage wires leaving control box. These ENVIRONMENTAL, FIRE, EXPLOSION, ELECTRICAL low-voltage connection leads can be identified by the colors red, green, SHOCK HAZARD yellow, brown, blue, and white (See Fig.

  • Page 14: Start-Up

    577C--K,: Installation Instructions 4. Verify the following conditions: Follow the lighting instructions on the heating section operation label a. Make sure gas line is free of air. Before lighting the unit for the (located on the inside of the control access panel) to start the heating first time, perform the following with the gas valve in the OFF section.
  • Page 15 577C--K,: Installation Instructions unit controller (IGC) has the capability to automatically reduce the CAUTION evaporator “ON” delay and increase the evaporator “OFF” delay in the event of high duct static and/or partially-clogged filter. UNIT DAMAGE HAZARD Check Gas Input Failure to follow this caution may result in reduced unit and/or Check gas input and manifold pressure after unit start-up (See Table component life.
  • Page 16 577C--K,: Installation Instructions 1. 32 sec. to complete one revolution. 3. Replace regulator cover screw on gas valve (See Fig. 13). 2. 3600 ¸ 32 = 112.5. 4. Turn off gas supply to unit. Remove manometer from pressure tap and replace pipe plug on gas valve. (See Fig.
  • Page 17 577C--K,: Installation Instructions A230148 Fig. 14 – 208/230-1-60 Connection Wiring Diagram Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 18 577C--K,: Installation Instructions A230149 Fig. 15 – 208/230-1-60 Ladder Wiring Diagram Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 19 577C--K,: Installation Instructions A230150 Fig. 16 – 208/230-3-60 Connection Wiring Diagram Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 20 577C--K,: Installation Instructions A230151 Fig. 17 – 208/230-3-60 Ladder Wiring Diagram Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 21 577C--K,: Installation Instructions A230152 Fig. 18 – 460-3-60 Connection Wiring Diagram Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 22 577C--K,: Installation Instructions A230153 Fig. 19 – 460-3-60 Ladder Wiring Diagram Normal Operation Table 9 show the approved temperature rise range for each heating input, and the air delivery CFM at various temperature rises for a given An LED (light-emitting diode) indicator is provided on the integrated external static pressure.
  • Page 23 577C--K,: Installation Instructions Heating Sequence of Operation Checking Cooling Control Operation (See Fig. Fig. 15 and unit wiring label) Start and check the unit for proper cooling control operation as follows: On a call for heating, terminal W of the thermostat is energized, starting 1.
  • Page 24 577C--K,: Installation Instructions CFM/Ton) for use with either a dehumidistat or a thermostat that CAUTION supports dehumidification. This unit is factory-set for use with a single cooling fan speed. For single UNIT DAMAGE HAZARD phase models, the cooling speed is marked “COOL” on the IGC (See Fig.
  • Page 25 577C--K,: Installation Instructions Table 7 – Color Coding for Indoor Fan Motor Leads Black = High Speed Orange = Med-High Speed Red = Med Speed Pink = Med-Low Speed Blue = Low Speed Cooling Sequence of Operation With the room thermostat SYSTEM switch in the COOL position and the FAN switch in the AUTO position, the cooling sequence of operation is as follows: 1.
  • Page 26 577C--K,: Installation Instructions Table 8 – Cooling Charging Chart Superheat charging table is derived from optimum performance point. (95°F [35°C] outdoor ambient and (80°F [27°C] dry bulb; 67°F [19°C] wet bulb indoor condition.) Where a dash (-) appears do not attempt to check charge or charge unit under these conditions using the superheat method. (Weigh in method should be used.) A150625 A230061 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 27 Table 9 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 Heating ESP (in. W.C.) Allowable Unit Size Rise Motor Speed Functions 0.07 0.08 0.08 0.09 Low† Blue Alternate Heating Gas Heat Rise ( Gas Heat Rise ( 0.12 0.13 0.13...
  • Page 28 Table 9 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 (Continued) Heating ESP (in. W.C.) Allowable Unit Size Rise Motor Speed Functions 0.09 0.10 0.11 0.11 0.11 Low† Blue Alternate Heating Gas Heat Rise ( Gas Heat Rise ( 0.14 0.15 0.15...
  • Page 29 Table 9 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 (Continued) Heating ESP (in. W.C.) Allowable Unit Size Rise Motor Speed Functions 1096 1044 Alternate Cooling, 0.14 0.15 0.16 0.18 0.19 0.19 0.20 0.21 0.22 0.23 Low†...
  • Page 30 Table 9 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 (Continued) Heating ESP (in. W.C.) Allowable Unit Size Rise Motor Speed Functions 0.13 0.13 0.14 0.15 0.16 0.16 0.17 0.18 0.18 0.19 Low† Blue Alternate Heating Gas Heat Rise ( Gas Heat Rise ( 1201...
  • Page 31 Table 9 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 (Continued) Heating ESP (in. W.C.) Allowable Unit Size Rise Motor Speed Functions 0.05 0.06 0.06 0.07 0.07 0.08 0.08 0.09 Low† Blue Gas Heat Rise ( Gas Heat Rise ( 1437 1395...
  • Page 32 Table 9 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 (Continued) Heating ESP (in. W.C.) Allowable Unit Size Rise Motor Speed Functions 0.05 0.06 0.06 0.07 0.07 0.08 0.08 0.09 Low† Blue Gas Heat Rise ( Gas Heat Rise ( 1437 1395...
  • Page 33 Table 9 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 (Continued) Heating ESP (in. W.C.) Allowable Unit Size Rise Motor Speed Functions 0.05 0.06 0.06 0.07 0.07 0.08 0.08 0.09 Low† Blue Gas Heat Rise ( Gas Heat Rise ( 1437 1395...
  • Page 34 Table 10 – Wet Coil Pressure Drop (IN. W.C.) Standard CFM (SCFM) Unit Size 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 0.03 0.04 0.04 0.05 0.06 0.05 0.06 0.07 0.08 0.11 0.06 0.06 0.09 0.10 0.11 0.14...

  • Page 35: Maintenance

    577C--K,: Installation Instructions Maintenance 6. Check and inspect heating section before each heating season. Clean and adjust when necessary. To ensure continuing high performance and to minimize the possibility 7. Check flue hood and remove any obstructions, if necessary. of premature equipment failure, periodic maintenance must be Air Filter performed on this equipment.
  • Page 36 577C--K,: Installation Instructions season. For the first heating season, inspect blower wheel bimonthly to WARNING determine proper cleaning frequency. To inspect blower wheel, remove draft hood assembly. Shine a flashlight FIRE, EXPLOSION HAZARD into opening to inspect wheel. If cleaning is required, remove induced-draft blower assembly as follows: Failure to follow this warning could result in personal injury, death or property damage.
  • Page 37 577C--K,: Installation Instructions 1. Remove 6 screws holding outdoor grille and motor to top cover. 2. Turn motor/grille assembly upside down on top cover to expose fan blade. 3. Inspect the fan blades for cracks or bends. 4. If fan needs to be removed, loosen setscrew and slide fan off motor shaft.
  • Page 38 577C--K,: Installation Instructions FAN GRILLE MOTOR MOTOR SHAFT A08505 Max Distance Between Top of Fan Grille and Bottom of Fan Blade “A” Size Fig. 25 – Fan Blade Position Refrigerant Circuit pressure switches must not be used as replacements for the Puron (R-410A) system.

  • Page 39: Troubleshooting

    577C--K,: Installation Instructions 3. Place terry cloth shop towel inside unit immediately under WARNING component(s) to be serviced and prevent lubricant run-offs through the louvered openings in the unit base. FIRE/EXPLOSION HAZARD 4. Perform required service. Failure to follow this warning could result in personal injury or death 5.
  • Page 40 577C--K,: Installation Instructions Table 13 – Troubleshooting Chart SYMPTOM CAUSE REMEDY Power failure Call power company Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective contactor, transformer, or high-pressure, Replace component loss-of-charge or low-pressure switch Compressor and condenser fan will not start. Insufficient line voltage Determine cause and correct Incorrect or faulty wiring...
  • Page 41 577C--K,: Installation Instructions Table 14 – Troubleshooting Guide–Heating SYMPTOM CAUSE REMEDY Water in gas line Drain. Install drip leg. No power to furnace Check power supply fuses, wiring or circuit breaker. Check transformer. No 24-v power supply to control circuit NOTE: Some transformers have internal over-current protection that requires a cool-down period to reset.
  • Page 42 577C--K,: Installation Instructions Table 15 – Troubleshooting Guide–LED Status Codes SYMPTOM CAUSE REMEDY Check 5-amp fuse son IGC*, power to unit, 24-v circuit breaker, No Power or Hardware failure and transformer. Units without a 24-v circuit breaker have an Loss of power to control module (IGC)*. (LED OFF) internal overload in the 24-v transformer.
  • Page 43 577C--K,: Installation Instructions Start-Up Checklist (Remove and Store in Job Files) I. PRELIMINARY INFORMATION MODEL NO.: ____________________________________________ SERIAL NO.: ____________________________________________ DATE: __________________________________________________ TECHNICIAN: ___________________________________________ II. PRESTART-UP (Insert check mark in box as each item is completed) (¦ ) VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT ( ) REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS ( ) CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS ( ) CHECK GAS PIPING FOR LEAKS (WHERE APPLICABLE)

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577c series577ck series