Bryant 559K 04-07 Series Service And Maintenance Instructions
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Bryant 559K 04-07 Series Service And Maintenance Instructions

Bryant 559K 04-07 Series Service And Maintenance Instructions

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55 9K * 0 4- 0 7
S i n g l e P a c k a g e R o o f t o p E l e c t r i c C o o l i n g U n i t
with P ur on
®
( R-4 1 0A ) Refr i g er an t
3 to 6 Nominal Tons
Service and Maintenance Instructions
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
UNIT ARRANGEMENT AND ACCESS . . . . . . . . . . . . . . 3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SUPPLY FAN (BLOWER) SECTION . . . . . . . . . . . . . . . . 4
Supply Fan (Direct-Drive) . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2-Speed Indoor Fan Motor System . . . . . . . . . . . . . . . . . . . 9
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Condenser Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Evaporator Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Evaporator Coil Metering Devices . . . . . . . . . . . . . . . . . . 11
TXV Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Replacing TXV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Refrigerant System Pressure Access Ports . . . . . . . . . . . . 12
PURON (R-410A) REFRIGERANT . . . . . . . . . . . . . . . . . 13
Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
COOLING CHARGING CHARTS . . . . . . . . . . . . . . . . . 14
COMPRESSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Replacing Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
COMPRESSOR ROTATION . . . . . . . . . . . . . . . . . . . . . . 17
Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Condenser-Fan Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 17
Troubleshooting Cooling System . . . . . . . . . . . . . . . . . . . . 19
CONVENIENCE OUTLETS . . . . . . . . . . . . . . . . . . . . . . 20
Convenience Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Installing Weatherproof Cover . . . . . . . . . . . . . . . . . . . . . 20
Non-Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Unit-Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fuse on Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
ELECTRIC HEATERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Completing Heater Installation . . . . . . . . . . . . . . . . . . . . . 22
SMOKE DETECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Smoke Detector Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Smoke Detector Locations . . . . . . . . . . . . . . . . . . . . . . . . . 23
Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SENSOR AND CONTROLLER TESTS . . . . . . . . . . . . . 26
Sensor Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Controller Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Dirty Controller Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53559018-01
Page
Printed in U.S.A.
Form No. SM559K-4-7-02
Dirty Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Changing the Dirt Sensor Test . . . . . . . . . . . . . . . . . . . . . 26
Remote Station Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
SD-TRK4 Remote Alarm Test Procedure . . . . . . . . . . . . 26
Dirty Sensor Test Using an SD-TRK4 . . . . . . . . . . . . . . . 27
Detector Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
PROTECTIVE DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . 28
Compressor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Relief Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Control Circuit, 24-V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
RTU OPEN CONTROL SYSTEM . . . . . . . . . . . . . . . . . . 29
Sensory/Accessory Installation . . . . . . . . . . . . . . . . . . . . . 29
ECONOMIZER SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . 31
EconoMi$er 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Economi$er X (Factory Option) . . . . . . . . . . . . . . . . . . . . 40
PRE-START-UP/START-UP . . . . . . . . . . . . . . . . . . . . . . 53
START-UP, GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Additional Installation/Inspection . . . . . . . . . . . . . . . . . . 53
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Outdoor-Air Inlet Screens . . . . . . . . . . . . . . . . . . . . . . . . . 53
Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Refrigerant Service Ports . . . . . . . . . . . . . . . . . . . . . . . . . 53
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Ventilation (Continuous Fan) . . . . . . . . . . . . . . . . . . . . . . 54
FASTENER TORQUE VALUES . . . . . . . . . . . . . . . . . . . 54
START-UP, RTU OPEN CONTROLS . . . . . . . . . . . . . . 54
APPENDIX A - MODEL NUMBER
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
APPENDIX B - PHYSICAL DATA . . . . . . . . . . . . . . . . 56
APPENDIX C - FAN PERFORMANCE . . . . . . . . . . . . 63
APPENDIX D - WIRING DIAGRAMS . . . . . . . . . . . . . 92
SENSOR LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . 109
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . CL-1

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install,
repair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance functions
of cleaning coils and filters and replacing filters. All other
Pg 1
7-23
Replaces: SM559K-4-7-01

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Summary of Contents for Bryant 559K 04-07 Series

  • Page 1: Table Of Contents

    55 9K * 0 4- 0 7 S i n g l e P a c k a g e R o o f t o p E l e c t r i c C o o l i n g U n i t with P ur on ®...
  • Page 2 operations should be performed by trained service personnel. When working on air-conditioning equipment, observe WARNING precautions in the literature, tags and labels attached to the unit, and other safety precautions that may apply. UNIT OPERATION AND SAFETY HAZARD Follow all safety codes. Wear safety glasses and work gloves. Failure to follow this warning could cause personal injury, Use quenching cloth for unbrazing operations.

  • Page 3: Unit Arrangement And Access

    UNIT ARRANGEMENT AND ACCESS • Ensure indoor coils are clean • Check supply blower motor amperage General Electric Heating Figures 1 and 2 show general unit arrangement and access • Inspect power wire connections locations. • Ensure fuses are operational Filter Access Panel •...

  • Page 4: Supply Fan (Blower) Section

    All low-voltage wiring should be routed through the provided raceway built into the corner post of the unit or secured to the 17 1/4" unit control box with the electrical conduit in order to provide UL-required clearance between high and low-voltage wiring. Supply Fan (Direct-Drive) All 559K units have the Axion direct drive vane axial fan...
  • Page 5 NOTE: Fan Speed Set-Up is for full load airflow. If the unit has multiple stages of cooling, low cool and ventilation may operate at lower fan rpms. This offset is factory set and controlled by the UCB. If fan speed verification is being done with a strobe, fan speed should be verified in all unit operation modes.
  • Page 6 ESP in. wg Factory Setting: Calculator 9.0 V 1500 Field Setting: 1625 Record field setting here 1750 1875 2000 Switch Range: 2125 10.0 2250 4.1 - 7.5 2375 6.9 - 8.7 2500 7.7 - 10.0 Field Accessories: Economizer * Overlap in A, B, C switch range 1 Stage E Heat designed for maximum field adjustment potential.
  • Page 7 TROUBLESHOOTING THE ECM MOTOR Axion motors are designed with several built-in protections ™ included in the motor software. If the motor detects a fault it will safely shut down. For temperature related faults the motor requires a line voltage reset to continue operation. For all oth- ers, the motor will resume operation automatically as soon as the fault condition is cleared.
  • Page 8 Disassembling Motor and Fan Assembly See Fig. 11. Remove six screws from retaining rings in the top of the fan rotor. Remove rotor from motor. Remove four screws connecting motor to stator flange. Remove stator from motor. If required, remove stator limit switch on aluminum stator. Remove three screws from the heat shield.

  • Page 9: 2-Speed Indoor Fan Motor System

    Set retaining rings (x3) into composite rotor and install COOLING 6 no. 10-32 x 1/2 in. hex head machine screws (P/N: AD07AB126) through the holes in retaining rings. Tighten to 23 in.-lb (2.6 Nm). It is recommended this WARNING screw installation be done in a star pattern. 10.
  • Page 10 Avoid use of: Top Panel • coil brighteners • acid cleaning prior to painting Support (Field- • high pressure washers Supplied) • poor quality water for cleaning Totaline environmentally balanced coil cleaner is nonflamma- Center ble, hypo-allergenic, non-bacterial, and a USDA accepted bio- Baffle degradable agent that will not harm the coil or surrounding components such as electrical wiring, painted metal surfaces,...

  • Page 11: Evaporator Coil

    Thoroughly apply Totaline environmentally balanced coil Top View cleaner solution to all coil surfaces including finned area, tube sheets and coil headers. Hold garden sprayer nozzle close to finned areas and apply cleaner with a vertical, up-and-down motion. Avoid spray- ing in horizontal pattern to minimize potential for fin damage.

  • Page 12: Thermostatic Expansion Valve (Txv)

    THERMOSTATIC EXPANSION VALVE (TXV) All 559K*04-06 units equipped with the Perfect Humidity ™ option and all 559K*07 units include TXV control. The TXV is a bi-flow, bleed port expansion valve with an external equal- izer. The TXVs are specifically designed to operate with Puron refrigerant.

  • Page 13: Puron (R-410A) Refrigerant

    85°F (29°C) Amount of refrigerant charge is listed on the unit’s nameplate. Suction Pressure 140 psig (965 kPa) Refer to Bryant GTAC2-5 Charging, Recovery, Recycling and Suction Temperature should be 65°F (16°C) Reclamation training manual and the following procedures. USING COOLING CHARGING CHARTS Unit panels must be in place when unit is operating during the charging procedure.

  • Page 14: Cooling Charging Charts

    COOLING CHARGING CHARTS 3 Ton Std Tier Hot gas Reheat R-410A CHARGING CHART (Unit must run on Sub-cooling mode) Cooling Charging Chart Std Tier 3 Ton (Single Phase) R-410A Refrigerant 59.9 1241 OUTDOOR TEMP 1172 °F / °C Add Charge if Above the Curve 115 / 46 48.8 Add Charge if Above the Curve...
  • Page 15 Cooling Charging Chart Std Tier 4 Ton Cooling Charging Chart Std Tier 5 Ton (3-Phase) R-410A Refrigerant (Single Phase) R-410A Refrigerant 1241 1241 OUTDOOR OUTDOOR TEMP TEMP 1172 1172 °F / °C °F / °C 115 / 46 115 / 46 Add Charge if Above the Curve 105 / 41 105 / 41...

  • Page 16: Compressor

    5 Ton Std Tier Hot gas Reheat R-410A CHARGING CHART 6 Ton Std Tier Hot gas Reheat R-410A CHARGING CHART (Unit must run on Sub-cooling mode) (Unit must run on Sub-cooling mode) 59.9 59.9 Add Charge if Above the Curve Add Charge if Above the Curve 48.8 48.8...

  • Page 17: Replacing Compressor

    On 3-phase units with scroll compressors, it is important to be certain compressor is rotating in the proper direction. To deter- WARNING mine whether or not compressor is rotating in the proper direction: FIRE, EXPLOSION HAZARD Connect service gauges to suction and discharge pressure Failure to follow this warning could result in death, serious fittings.
  • Page 18 No Screw (Blank Tab) Fig. 32 — Condenser-Fan Assembly — Screw Pattern Sequence...

  • Page 19: Troubleshooting Cooling System

    Troubleshooting Cooling System Refer to Table 3 for additional troubleshooting topics. Table 3 — Troubleshooting SYMPTOM CAUSE SOLUTION Power failure. Call power company. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Determine root cause. Defective thermostat, contactor, transformer, Replacement component.

  • Page 20: Convenience Outlets

    CONVENIENCE OUTLETS Press the gasket over the screw heads. Slip the backing plate over the screw heads at the keyhole slots and align with the gasket; tighten the two screws until snug (do not over-tighten). WARNING Mount the weatherproof cover to the backing plate as shown in Fig.

  • Page 21: Duty Cycle

    ELECTRIC HEATERS The 559K units can be equipped with field-installed accessory electric heaters. The heaters are modular in design, with heater frames holding open coil resistance wires strung through ce- ramic insulators and control contactor(s), using a combination of 24-v control side break/auto-reset or line-break/auto-reset limit switches and a pilot-circuit/manual reset limit switch to protect the unit against over-temperature situations.

  • Page 22: Completing Heater Installation

    Stator Manual Reset Limit Switch Heater Module Fig. 38 — Typical Module Installation SINGLE POINT BOXES AND SUPPLEMENTARY FUSES Control Side Line Break Automatic Reset “One Shot” When the unit MOCP device value exceeds 60A, unit-mounted Limit Switches Limit Switches supplementary fuses are required for each heater circuit.

  • Page 23: Smoke Detectors

    SMOKE DETECTORS Duct Smoke Sensor Smoke detectors are available as factory-installed options on 559K models. Smoke detectors may be specified for supply air only, for return air without or with economizer, or in combina- tion of supply air and return air. Return air smoke detectors are Exhaust Tube arranged for vertical return configurations only.

  • Page 24: Completing Installation Of Return Air Smoke

    connected using tubing to the return air sensor mounted on a bracket high on the partition between return filter and control- ler location. The sensor is shipped in a flat-mounting location. Supply Air Installation requires the sensor be relocated to its operating Smoke Detector location and the tubing to the sampling tube be connected.

  • Page 25: Fiop Smoke Detector Wiring And Response

    HIGHLIGHT A Return Air Smoke Detector Smoke detector NC contact set will open on smoke alarm con- (Operating Position Shown) dition, de-energizing the ORN conductor. HIGHLIGHT B 24-v power signal using the ORN lead is removed at the smoke detector input on UCB; all unit operations cease immediately. RTU OPEN CONTROLS Unit operating functions (fan, cooling and heating) are termi- nated as described above.

  • Page 26: Sensor And Controller Tests

    SENSOR AND CONTROLLER TESTS IIMPORTANT: Failure to follow this ALERT can result in an Sensor Alarm Test unnecessary evacuation of the facility. Holding the test magnet against the sensor housing for more The sensor alarm test checks a sensor’s ability to signal an than seven seconds will put the duct detector into the alarm alarm state.

  • Page 27: Remote Test/Reset Station Dirty Sensor Test

    Remote Test/Reset Station Dirty Sensor Test The test/reset station dirty sensor test checks the test/reset sta- HVAC Duct Sampling tion’s ability to initiate a sensor dirty test and indicate the re- Tube sults. It must be wired to the controller as shown in Fig. 50 and Sensor configured to operate the controller’s supervision relay.

  • Page 28: Troubleshooting

    An internal sensor fault is detected upon entering the trouble CONTROLLER’S TROUBLE LED IS FLASHING state: One or both of the sensors is 100% dirty. • The contacts on the controller’s supervisory relay switch Determine which Dirty LED is flashing then clean that sen- positions.

  • Page 29: Relief Device

    RTU OPEN CONTROL SYSTEM The RTU Open controller is an integrated component of the Bryant rooftop unit. Its internal application programming pro- WARNING vides optimum performance and energy efficiency. RTU Open ELECTRICAL SHOCK HAZARD enables the unit to run in 100% stand-alone control mode or us- ing a Third Party Building Automation System (BAS).
  • Page 30 Board Power (AO-1) 0-10VDC 4-20mA BO-1 BO-2 BO-3 BO-4 BO-5 VAF Output AO-2 BO-6 (2-10V) BO-6 3-Volt BO-7 (H) Humidimizer Lithium Battery BO-8 BO-8 (Power Exhaust) LonWorks Option Card Port Network Comm Example set for BACnet MS/TP and 76.8K baud (1, 2, and 4 ON) Recommended for all Protocol Selector...

  • Page 31: Additional Rtu Open Installation And Troubleshooting

    Additional RTU Open Installation and Troubleshooting Outside Air Temperature Sensor Additional installation, wiring and troubleshooting information Low Ambient for the RTU Open Controller can be found in the following EconoMi$er IV Sensor manual: “582/559K, 581/551K Single Package Rooftop Units Controller (W7212) with RTU Open Controls, Start-up, Operation and Trouble- shooting Instructions.”...

  • Page 32: Economi$Er 2

    EconoMi$er 2 IMPORTANT: The optional EconoMi$er ® 2 does not include a controller. The EconoMi$er 2 is operated by a 4 to 20 mA signal from an existing field-supplied controller. See Fig. 57 for wiring information. BLACK Tranformer Ground BLUE 500 OHM Resistor VIOLET...

  • Page 33: Economi$Er Iv (Field-Installed Accessory)

    EconoMi$er IV (Field-Installed Accessory) IMPORTANT: For 559K rooftop units EconoMi$er IV is available as a factory-installed option for 04-06 units only. ECONOMI$ER IV STANDARD SENSORS Troubleshooting instructions are enclosed. A functional view of the EconoMi$er IV accessory is shown in Fig. 58. Typical ®...
  • Page 34 Table 6 — EconoMi$er IV Input/Output Logic INPUTS OUTPUTS Demand Enthalpy Compressor N Terminal Controlled Ventilation Outdoor Return Stage 1 Stage 2 Occupied Unoccupied (DCV) High (Free Cooling Minimum position Closed LED Off) Below set (DCV LED Modulating (between minimum Modulating (between Off)
  • Page 35 Table 7 — Supply Air Sensor Temperature/Resistance DIP Switch Changeover Values Position Temperature TEMPERATURE (°F) RESISTANCE (ohms) 48°F –58 220,250 1 2 3 –40 100,000 –22 53,010 53°F –4 29,091 1 2 3 16,500 9,795 55°F 5,970 1 2 3 3,747 58°F 3,000...
  • Page 36 Horizontal Economizer Barometric Relief Flow Vertical Economizer Barometric Relief Flow 2500 2500 Horizontal Economizers Vertical Economizers 2000 2000 1500 1500 3-5 Ton 3-5 Ton 6 Ton 6 Ton 1000 1000 0.05 0.15 0.25 0.05 0.15 0.25 Return Duct Static Pressure (in. wg) Return Duct Static Pressure (in.
  • Page 37 Exhaust Set Point Adjustment The exhaust set point will determine when the exhaust fan runs (29) (32) (35) (38) (41) (43) based on damper position (if accessory power exhaust is in- CONTROL POINT CONTROL stalled). The set point is modified with the Exhaust Fan set point APPROX.
  • Page 38 EconoMi$er IV control will be in occu- Use setting 1 or 2 for Bryant equipment. pied mode. When the timeclock contacts are open (removing the 24-v signal from terminal N), the EconoMi$er IV will be in Press Clear and Mode buttons.
  • Page 39 Set minimum position, DCV set point, and exhaust poten- DCV MINIMUM AND MAXIMUM POSITION tiometers fully CCW (counterclockwise). To check the DCV minimum and maximum position: 10. Set DCV maximum position potentiometer fully CW Make sure EconoMi$er IV preparation procedure has been (clockwise).

  • Page 40: Economi$Er X (Factory Option)

    Economi$er X (Factory Option) Economizer Module The module is the core of the EconoMi$er X system. The mod- The EconoMi$er X system is an expandable economizer con- ® ule is mounted in the unit’s control box, and includes the user trol system, which includes a W7220 economizer module (con- interface for the system.
  • Page 41 INPUTS Sensors NOTE: A Mixed Air (MA) analog sensor is required on all W7220 units; either an Outdoor Air (OA) sensor for dry bulb change over or an OA bus sensor for outdoor enthalpy change over is required in addition to the MA sensor. An additional Re- turn Air (RA) bus sensor can be added to the system for differen- tial enthalpy or dry bulb changeover.
  • Page 42 Table 9 — Economizer Module — Table 10 — HH57AC081 Sensor Wiring Terminations Right Hand Terminal Blocks TERMINAL TYPE DESCRIPTION LABEL TYPE DESCRIPTION NUMBER LABEL Top Right Terminal Blocks S-BUS Communications AUX2 I 24 vac IN The first terminal is not used. S-BUS S-BUS (Enthalpy Control...
  • Page 43 INTERFACE OVERVIEW Press the (Enter) button to display the value of the This section describes how to use the EconoMi$er X user ® currently displayed item. interface for: Press the ▲ button to increase (change) the displayed parameter value. • Keypad and menu navigation Press the ▼...
  • Page 44 Table 12 — W7220 Menu Structure a,b,c,d,e PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT FIRST STAGE COOLING DEMAND (Y1–IN) ECONO AVAIL YES/NO YES = economizing available; the system can use outside air for free cooling when required FIRST STAGE COOLING RELAY OUTPUT ECONOMIZING YES/NO...
  • Page 45 Table 12 — W7220 Menu Structure a,b,c,d,e (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT MECH COOL ON Displays stage of mechanical cooling that is active. 0, 1, or 2 HEAT STAGES ON Displays the stage of heat pump heating that is active. STATUS SUPPLY FAN SPEED (CONT)
  • Page 46 Table 12 — W7220 Menu Structure a,b,c,d,e (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT ENERGY RECOVERY VENTILATOR UNIT OUTDOOR AIR 0 to 50°F ERV OAT SP 32°F TEMPERATURE SETPOINT increment by 1 Only displayed when AUX1 O = ERV Exhaust fan set point for single speed units.
  • Page 47 Table 12 — W7220 Menu Structure a,b,c,d,e (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT COOLING STAGE 3 DELAY 0 min, 5 min, Delay after stage 2 cool has been active. Turns on second stage of 15 min, then cooling when economizer is first stage and mechanical cooling is STG3 DLY 2.0h...
  • Page 48 Table 12 — W7220 Menu Structure a,b,c,d,e (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT DISCHARGE AIR S-BUS SENSOR ERROR DA SYLK T ERR Discharge air sensor has failed or become disconnected — check wiring then replace sensor if the alarm continues. OUTSIDE AIR TEMPERATURE SENSOR ERROR OA SENS T ERR Outdoor air temperature sensor has failed or become disconnected...
  • Page 49 Enthalpy Settings point are all below the selected boundary, the economizer sets the economizing mode to YES, economizing is available. When the OA temperature, enthalpy and dew point are below the respective setpoints, the Outdoor Air can be used for econ- When all of the OA conditions are above the selected bound- omizing.
  • Page 50 Standard or Single Speed Fan Operation The W7220 controller will control a standard 1 speed unit when configured for FAN TYPE = 1 SPEED. Refer to Table 14 for economizer operation. Table 14 — Economizer Operation — FAN TYPE = 1SPEED INPUTS OUTPUTS Demand...
  • Page 51 2 Speed Fan Operation The W (heating mode) is not controlled by the W7220 but it re- quires the status to know where to position the OA damper for NOTE: 2 Speed Fan operation applies to 559K*07 models only. minimum position for the fan speed. The W7220 controller has the capability to work with a system The 2 speed fan delay is available when the system is pro- using a 2 speed supply fan.
  • Page 52 2SP H/C and 3 Speed Fan Operation To perform a Checkout test: FAN TYPE = 2SP H/C and FAN TYPE = 3SPEED are not Scroll to the desired test in the Checkout menu using the used on 559K units. ▲ and ▼ buttons. Press the (Enter) button to select the item.

  • Page 53: Pre-Start-Up/Start-Up

    PRE-START-UP/START-UP c. Inspect all field-wiring and factory-wiring connections. Be sure that connections are completed and tight. Be sure that wires are not in contact with refrigerant tubing or sharp edges. WARNING d. Inspect coil fins. If damaged during shipping and han- PERSONAL INJURY HAZARD dling, carefully straighten fins with a fin comb.

  • Page 54: Compressor Rotation

    Compressor Rotation Heating To start unit, turn on main power supply. Set system selector switch to the HEAT position and set thermostat at a setting CAUTION above room temperature. Set fan to AUTO position. First stage of thermostat energizes the first stage of the electric EQUIPMENT DAMAGE HAZARD heaters.

  • Page 55: Nomenclature

    APPENDIX A — MODEL NUMBER NOMENCLATURE Position: 9 10 11 12 13 14 15 16 17 Example: Unit Type Packaging and Control 559 = Cooling RTU with optional A = Standard Packaging, electro-mechanical Electric Heat, Legacy™ Line controls, no intake or exhaust option. Will allow for use of all field-installed economizers, manual or 2-position damper.

  • Page 56: Appendix B - Physical Data

    APPENDIX B — PHYSICAL DATA 559K 3 Ton Physical Data 559K UNIT 559K*04A 559K*04G 559K*041 NOMINAL TONS BASE UNIT OPERATING WT (lb) REFRIGERATION SYSTEM No. Circuits/No. Compressors/Type 1 / 1/ Scroll 1 / 1/ Scroll 1 / 1/ Scroll Puron ®...
  • Page 57 APPENDIX B — PHYSICAL DATA (cont) 559K 3 Ton Physical Data (cont) 559K UNIT 559K*04A 559K*04G 559K*041 High Static 3 Phase Motor Qty/Drive Type 1/Direct 1/Direct — Maximum Cont Bhp 1.07 1.07 — Rpm Range 249-2490 249-2490 — Fan Qty/Type 1/Vane Axial 1/Vane Axial —...
  • Page 58 APPENDIX B — PHYSICAL DATA (cont) 559K 4 Ton Physical Data 559K UNIT 559K*05A 559K*05G 559K*051 NOMINAL TONS BASE UNIT OPERATING WT (lb) REFRIGERATION SYSTEM No. Circuits/No. Compressors/Type 1 / 1/ Scroll 1 / 1/ Scroll 1 / 1/ Scroll Puron (R-410A) Charge A/B (lb-oz) 9-14...
  • Page 59 APPENDIX B — PHYSICAL DATA (cont) 559K 4 Ton Physical Data (cont) 559K UNIT 559K*05A 559K*05G 559K*051 High Static 3 Phase Motor Qty/Drive Type 1/Direct 1/Direct — Maximum Cont Bhp 1.96 1.96 — Rpm Range 266-2660 266-2660 — Fan Qty/Type 1/Vane Axial 1/Vane Axial —...
  • Page 60 APPENDIX B — PHYSICAL DATA (cont) 559K 5 Ton Physical Data 559K UNIT 559K*06A 559K*06G 559K*061 NOMINAL TONS BASE UNIT OPERATING WT (lb) REFRIGERATION SYSTEM No. Circuits/No. Compressors/Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll Puron (R-410A) Charge A/B (lb-oz) —...
  • Page 61 APPENDIX B — PHYSICAL DATA (cont) 559K 5 Ton Physical Data (cont) 559K UNIT 559K*06A 559K*06G 559K*061 High Static 3 Phase Motor Qty/Drive Type 1/Direct 1/Direct — Maximum Cont Bhp 2.43 2.43 — Rpm Range 284-2836 284-2836 — Fan Qty/Type 1/Vane Axial 1/Vane Axial —...
  • Page 62 APPENDIX B — PHYSICAL DATA (cont) 559K 6 Ton Physical Data 559K UNIT 559K*07N 559K*07R NOMINAL TONS BASE UNIT OPERATING WT (lb) REFRIGERATION SYSTEM No. Circuits/No. Compressors/Type 1 / 1 / 2-Stage Scroll 1 / 1 / 2-Stage Scroll Puron (R-410A) Charge A/B (lb-oz) 10-3 —...

  • Page 63: Appendix C - Fan Performance

    FIOPs or accessories. For more information on the performance limits of Bryant Tabular data accounts for pressure loss due to clean filters, motors, see the application data section of the product data unit casing, wet coils, and highest gas heat exchanger book for this model and size.
  • Page 64 APPENDIX C — FAN PERFORMANCE (cont) 559K*041 Single Phase — 3 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1040 0.08 1307 0.16 1526 0.25 1705 0.35 1859 0.45 1082 0.09 1336 0.17 1554 0.26 1736 0.36 1892 0.47...
  • Page 65 APPENDIX C — FAN PERFORMANCE (cont) 559K*041 Single Phase — Medium Static — 3 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1040 1307 1526 1705 1859 1082 1336 1554 1736 1892 1050 1127 1366 1582 1766 1925 1125...
  • Page 66 APPENDIX C — FAN PERFORMANCE (cont) 559K*04A Three Phase — 3 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1040 0.08 1307 0.16 1526 0.25 1705 0.35 1859 0.45 1082 0.09 1336 0.17 1554 0.26 1736 0.36 1892 0.47...
  • Page 67 APPENDIX C — FAN PERFORMANCE (cont) 559K*04A Three Phase — Medium Static — 3 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1040 1307 1526 1705 1859 1082 1336 1554 1736 1892 1050 1127 1366 1582 1766 1925 1125...
  • Page 68 APPENDIX C — FAN PERFORMANCE (cont) 559K*051 Single Phase — 4 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1120 0.15 1327 0.25 1506 0.37 1667 0.50 1814 0.65 1300 1178 0.18 1375 0.28 1549 0.40 1705 0.54...
  • Page 69 APPENDIX C — FAN PERFORMANCE (cont) 559K*051 Single Phase — Medium Static — 4 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1120 1327 1506 1667 1814 1300 1178 1375 1549 1705 1849 1400 1238 1424 1593 1745...
  • Page 70 APPENDIX C — FAN PERFORMANCE (cont) 559K*05A Three Phase — 4 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1115 0.15 1332 0.26 1513 0.37 1665 0.50 1801 0.63 1300 1174 0.17 1376 0.28 1557 0.41 1709 0.54...
  • Page 71 APPENDIX C — FAN PERFORMANCE (cont) 559K*05A Three Phase — Medium Static — 4 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1115 1332 1513 1665 1801 1300 1174 1376 1557 1709 1843 1400 1236 1422 1601 1754...
  • Page 72 APPENDIX C — FAN PERFORMANCE (cont) 559K*061 Single Phase — 5 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1301 0.24 1477 0.35 1639 0.47 1788 0.62 1925 0.77 1625 1381 0.28 1544 0.40 1700 0.53 1843 0.67...
  • Page 73 APPENDIX C — FAN PERFORMANCE (cont) 559K*061 Single Phase — Medium Static — 3 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1301 1476 1639 1788 1925 1625 1381 1545 1700 1843 1976 1750 1463 1615 1763 1901...
  • Page 74 APPENDIX C — FAN PERFORMANCE (cont) 559K*06A Three Phase — 5 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1301 0.24 1477 0.35 1639 0.47 1788 0.62 1925 0.77 1625 1381 0.28 1545 0.40 1700 0.53 1843 0.67...
  • Page 75 APPENDIX C — FAN PERFORMANCE (cont) 559K*06A Three Phase — Medium Static — 5 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1301 1477 1639 1788 1925 1625 1381 1545 1700 1843 1977 1750 1463 1615 1763 1902...
  • Page 76 APPENDIX C — FAN PERFORMANCE (cont) 559K*07N Three Phase — 6 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1800 1423 0.30 1550 0.39 1682 0.50 1820 0.64 1955 0.79 1950 1521 0.37 1638 0.46 1758 0.57 1883 0.70...
  • Page 77 APPENDIX C — FAN PERFORMANCE (cont) 559K*07N Three Phase — Medium Static — 6 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1800 1423 1550 1682 1820 1955 1950 1521 1638 1758 1883 2011 2100 1620 1730 1839 1953...
  • Page 78 APPENDIX C — FAN PERFORMANCE (cont) 559K*041 Single Phase — 3 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1017 0.07 1284 0.15 1501 0.24 1684 0.33 1843 0.44 1055 0.08 1311 0.16 1527 0.25 1711 0.35 1871 0.46...
  • Page 79 APPENDIX C — FAN PERFORMANCE (cont) 559K*041 Single Phase — Medium Static — 3 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1017 1284 1501 1684 1843 1055 1311 1527 1711 1871 1050 1096 1340 1553 1737 1899 1125...
  • Page 80 APPENDIX C — FAN PERFORMANCE (cont) 559K*04A Three Phase — 3 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1017 0.07 1284 0.15 1501 0.24 1684 0.33 1843 0.44 1055 0.08 1311 0.16 1527 0.25 1711 0.35 1871 0.46...
  • Page 81 APPENDIX C — FAN PERFORMANCE (cont) 559K*04A Three Phase — Medium Static — 3 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1017 1284 1501 1684 1843 1055 1311 1527 1711 1871 1050 1096 1340 1553 1737 1899 1125...
  • Page 82 APPENDIX C — FAN PERFORMANCE (cont) 559K*051 Single Phase — 4 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1092 0.14 1306 0.24 1497 0.35 1667 0.49 1819 0.64 1300 1148 0.16 1348 0.26 1533 0.38 1700 0.52...
  • Page 83 APPENDIX C — FAN PERFORMANCE (cont) 559K*051 Single Phase — Medium Static — 4 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1092 1306 1497 1667 1819 1300 1148 1348 1533 1700 1851 1400 1207 1394 1571 1734...
  • Page 84 APPENDIX C — FAN PERFORMANCE (cont) 559K*05A Three Phase — 4 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1093 0.14 1306 0.24 1497 0.35 1667 0.49 1819 0.64 1300 1148 0.16 1348 0.26 1533 0.38 1700 0.52...
  • Page 85 APPENDIX C — FAN PERFORMANCE (cont) 559K*05A Three Phase — Medium Static — 4 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1093 1306 1497 1667 1819 1300 1148 1348 1533 1700 1850 1400 1206 1393 1571 1734...
  • Page 86 APPENDIX C — FAN PERFORMANCE (cont) 559K*061 Single Phase — 5 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1267 0.21 1442 0.31 1612 0.44 1770 0.58 1916 0.73 1625 1345 0.25 1506 0.35 1666 0.48 1818 0.62...
  • Page 87 APPENDIX C — FAN PERFORMANCE (cont) 559K*061 Single Phase — Medium Static — 5 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1267 1442 1612 1770 1916 1625 1345 1506 1666 1818 1960 1750 1425 1574 1723 1869...
  • Page 88 APPENDIX C — FAN PERFORMANCE (cont) 559K*06A Three Phase — 5 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1267 0.21 1442 0.31 1612 0.44 1770 0.58 1916 0.73 1625 1345 0.25 1506 0.35 1666 0.48 1818 0.62...
  • Page 89 APPENDIX C — FAN PERFORMANCE (cont) 559K*06A Three Phase — Medium Static — 5 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1267 1442 1612 1770 1916 1625 1345 1506 1666 1818 1960 1750 1425 1574 1723 1869...
  • Page 90 APPENDIX C — FAN PERFORMANCE (cont) 559K*07N Three Phase — 6 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1800 1379 0.27 1512 0.35 1650 0.46 1786 0.58 1918 0.72 1950 1473 0.32 1594 0.41 1721 0.52 1848 0.64...
  • Page 91 APPENDIX C — FAN PERFORMANCE (cont) 559K*07N Three Phase — Medium Static — 6 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1800 1379 1512 1650 1786 1918 1950 1473 1594 1721 1848 1973 2100 1569 1680 1796 1915...

  • Page 92: Appendix D - Wiring Diagrams

    APPENDIX D — WIRING DIAGRAMS Wiring Diagrams 559K*04-07 UNITS SIZE VOLTAGE CONTROL (OVERLAY) PAGE POWER PAGE 208/230-1-60 48TC003003 48TC002993 04-06 Electro-Mechanical 208/230-3-60 48TC002998 48TC002994 W7212 Controller 460/575-3-60 48TC002999 48TC002995 208/230-1-60 48TC003003 (48TC002989) 48TC002993 04-06 Electro-Mechanical 208/230-3-60 48TC002998 (48TC002989) 48TC002994 W7220 Controller 460/575-3-60 48TC002999 (48TC002989) 48TC002995...
  • Page 93 APPENDIX D — WIRING DIAGRAMS (cont) Fig. B — 559K*04-06 Electro-Mechanical Control Wiring Diagram — 208/230-1-60 (with W7212 Control)
  • Page 94 APPENDIX D — WIRING DIAGRAMS (cont) Fig. C — 559K*04-06 Electro-Mechanical Control Wiring Diagram — 208/230-3-60 (with W7212 Control)
  • Page 95 APPENDIX D — WIRING DIAGRAMS (cont) Fig. D — 559K*04-06 Electro-Mechanical Control Wiring Diagram — 460/575-3-60 (with W7212 Control)
  • Page 96 APPENDIX D — WIRING DIAGRAMS (cont) Fig. E — 559K*04-06 Electro-Mechanical Control Wiring Diagram — 208/230-1-60 (with W7220 Control)
  • Page 97 APPENDIX D — WIRING DIAGRAMS (cont) Fig. F — 559K*04-06 Electro-Mechanical Control Wiring Diagram — 208/230-3-60 (with W7220 Control)
  • Page 98 APPENDIX D — WIRING DIAGRAMS (cont) Fig. G — 559K*04-06 Electro-Mechanical Control Wiring Diagram — 460/575-3-60 (with W7220 Control)
  • Page 99 APPENDIX D — WIRING DIAGRAMS (cont) Fig. H — 559K*07 Electro-Mechanical Control Wiring Diagram — 208/230-3-60 (with W7220 Control)
  • Page 100 APPENDIX D — WIRING DIAGRAMS (cont) Fig. I — 559K*07 Electro-Mechanical Control Wiring Diagram — 460/575-3-60 (with W7220 Control)
  • Page 101 APPENDIX D — WIRING DIAGRAMS (cont) Fig. J — 559K*04-06 208/230-1-60 Unit with RTU Open Controller...
  • Page 102 APPENDIX D — WIRING DIAGRAMS (cont) Fig. K — 559K*04-06 208/230-3-60 Unit with RTU Open Controller...
  • Page 103 APPENDIX D — WIRING DIAGRAMS (cont) Fig. L — 559K*04-06 460/575-3-60 Unit with RTU Open Controller...
  • Page 104 APPENDIX D — WIRING DIAGRAMS (cont) Fig. M — 559K*07 208/230 Unit with RTU Open Controller...
  • Page 105 APPENDIX D — WIRING DIAGRAMS (cont) Fig. N — 559K*07 460/575 Unit with RTU Open Controller...
  • Page 106 APPENDIX D — WIRING DIAGRAMS (cont) Fig. O — 559K*04-06 Power Wiring Diagram — 208/230-1-60...
  • Page 107 APPENDIX D — WIRING DIAGRAMS (cont) Fig. P — 559K*04-07 Power Wiring Diagram — 208/230-3-60...
  • Page 108 APPENDIX D — WIRING DIAGRAMS (cont) Fig. Q — 559K*04-07 Power Wiring Diagram — 460/575-3-60...

  • Page 109: Appendix E - Low Ambient Control

    APPENDIX E — LOW AMBIENT CONTROL SENSOR LOCATION Sensor Location Fig. R — 559K*04 Outdoor Circuiting Sensor Location Fig. T — 559K*07 Outdoor Circuiting Sensor Location Fig. S — 559K*05/06 Outdoor Circuiting...
  • Page 110 Printed in U.S.A. Form No. SM559K-4-7-02 © 2023 Carrier Cat. No. 04-53559018-01 Edition Date: 7-23 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: SM559K-4-7-01...

  • Page 111: Start-Up Checklist

    START-UP CHECKLIST FOR 559K*04-07 SINGLE PACKAGE ROOFTOP ELECTRIC COOLING UNITS (Remove and use for job file) NOTE: To avoid injury to personnel and damage to equipment or property when completing the procedures listed in this start-up checklist, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preceding sections of this Service and Maintenance document.
  • Page 112 PRESSURES Refrigerant Suction _____________ PSIG Refrigerant Discharge _____________ PSIG Verify Refrigerant Charge using Charging Charts. (Y/N) _____ GENERAL Economizer minimum vent and changeover settings to job requirements (if equipped). (Y/N) _____ Verify smoke detector unit shutdown by utilizing magnet test. (Y/N) _____ IV.

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