Bryant Preferred 581K Series Installation Instructions Manual
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Bryant Preferred 581K Series Installation Instructions Manual

Bryant Preferred 581K Series Installation Instructions Manual

Single package rooftop gas heat/electric cooling unit with puron (r-410a) refrigerant and axion fan technology
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Preferred™ Series 581K 17-28
S i n g l e P a c k a g e R o o f t o p G a s H e at/Electric Cooling Unit
with P ur on
®
(R -410A) R efri g erant
a n d A x i o n ™ F a n T e c h n o l o g y
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Step 1 - Plan for Unit Location . . . . . . . . . . . . . . . . . . . . 20
Step 3 - Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Step 4 - Provide Unit Support . . . . . . . . . . . . . . . . . . . . . 21
Step 5 - Field Fabricate Ductwork . . . . . . . . . . . . . . . . . 25
Step 6 - Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . . . 25
Step 7 - Horizontal Duct Connection . . . . . . . . . . . . . . . 26
Step 9 - Assemble Barometric Hood . . . . . . . . . . . . . . . . 27
CONFIGURATION)
Step 11 - Install Gas Piping . . . . . . . . . . . . . . . . . . . . . . . 29
Step 13 - Make Electrical Connections . . . . . . . . . . . . . 32
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53581042-01
Installation Instructions
Page
Printed in U.S.A.
Form No. II581K-17-28-02 Rev. B
Integrated Gas Controller . . . . . . . . . . . . . . . . . . . . . . . . . 41
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
EconomizerONE (Factory Option) . . . . . . . . . . . . . . . . . . 46
Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
EconomizerONE Occupancy Switch . . . . . . . . . . . . . . . . 67
Step 14 - Install Accessories . . . . . . . . . . . . . . . . . . . . . . 67
Step 15 - Fan Speed Set Up . . . . . . . . . . . . . . . . . . . . . . . 67
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
operations should be performed by trained service personnel.
When working on air-conditioning equipment, observe
precautions in the literature, tags and labels attached to the
unit, and other safety precautions that may apply.
Follow all safety codes, including ANSI (American National
Standards Institute) Z223.1. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations. Have
fire extinguisher available for all brazing operations.
It is important to recognize safety information. This is the
safety-alert symbol
. When you see this symbol on the unit
and in instructions or manuals, be alert to the potential for
personal injury.
Understand the signal
CAUTION, and NOTE. These words are used with the
safety-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 identify 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.
Pg 1
words
DANGER, WARNING,
3-24
Replaces: II581K-17-28-01

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  • Page 1: Table Of Contents

    Preferred™ Series 581K 17-28 S i n g l e P a c k a g e R o o f t o p G a s H e at/Electric Cooling Unit with P ur on ® (R -410A) R efri g erant a n d A x i o n ™...
  • Page 2 WARNING CAUTION FIRE, EXPLOSION HAZARD PERSONAL INJURY HAZARD Failure to follow this warning could result in death, serious Failure to follow this caution may result in personal injury. personal injury and/or property damage. Sheet metal parts may have sharp edges or burrs. Use care and Disconnect gas piping from unit when pressure testing at wear appropriate protective clothing, safety glasses and gloves pressure greater than 0.5 psig (3450 Pa).

  • Page 3: General

    GENERAL See Fig. 1-16 for unit options and dimensions. WARNING Rated Indoor Airflow (cfm) FIRE HAZARD Table 1 lists the rated indoor airflow used for the AHRI efficiency Failure to follow this warning could result in severe rating for the units covered in this document. personal injury and/or property damage.
  • Page 4 Position: 9 10 11 12 13 14 15 16 17 Example: Unit Type Packaging and Control 581 = Gas Heat/Electric Cooling RTU A = Standard Packaging, electromechanical Preferred™ Series controls, no intake or exhaust option. Allows for use of all field-installed economizers, manual or two-position damper.
  • Page 5 Fig. 2 — 581K*17 Vertical Airflow...
  • Page 6 Fig. 3 — 581K*17 Horizontal Airflow...
  • Page 7 Fig. 4 — 581K*17 Back View and Condensate Drain Location...
  • Page 8 Fig. 5 — 581K*17 Corner Weights and Clearances...
  • Page 9 Fig. 6 — 581K*17 Bottom View...
  • Page 10 Fig. 7 — 581K*20, 24 Vertical Airflow...
  • Page 11 Fig. 8 — 581K*20, 24 Horizontal Airflow...
  • Page 12 Fig. 9 — 581K*20, 24 Back View and Condensate Drain Location...
  • Page 13 Fig. 10 — 581K*20, 24 Corner Weights and Clearances...
  • Page 14 Fig. 11 — 581K*20, 24 Bottom View...
  • Page 15 Fig. 12 — 581K*28 Vertical Airflow...
  • Page 16 Fig. 13 — 581K*28 Horizontal Airflow...
  • Page 17 Fig. 14 — 581K*28 Back View and Condensate Drain Location...
  • Page 18 Fig. 15 — 581K*28 Corner Weights and Clearances...
  • Page 19 Fig. 16 — 581K*28 Bottom View...

  • Page 20: Installation

    INSTALLATION Step 2 — Plan for Sequence of Unit Installation The support method used for this unit will dictate different Jobsite Survey sequences for the steps of unit installation. For example, on curb- Complete the following checks before installation. mounted units, some accessories must be installed on the unit be- Consult local building codes and the NEC (National fore the unit is placed on the curb.

  • Page 21: Step 3 - Inspect Unit

    Step 3 — Inspect Unit is set on the roof curb. If field-installed thru-the-roof curb gas con- nections are desired remove knockout in basepan located in the Inspect unit for transportation damage. File any claim with trans- gas section, see Fig. 18 for location. Gas connections and power portation agency.
  • Page 22 Fig. 19 — Roof Curb Details — Size 17 Unit...
  • Page 23 Fig. 20 — Roof Curb Details — Size 20 and 24 Units...
  • Page 24 Fig. 21 — Roof Curb Details — Size 28 Unit...

  • Page 25: Step 5 - Field Fabricate Ductwork

    Step 5 — Field Fabricate Ductwork Step 6 — Rig and Place Unit Cabinet return-air static pressure (a negative condition) shall not Keep unit upright and do not drop. Spreader bars are not required exceed 0.5 in. wg (87 Pa) with or without economizer. if top crating is left on unit.

  • Page 26: Positioning On Curb

    POSITIONING ON CURB Step 8 — Install Outside Air Hood - Factory Option Position unit on roof curb so that the following clearances are The outside air hood for factory-option economizer and 2-position maintained: 1/4 in. (6 mm) clearance between the roof curb and damper is shipped in knock-down form and requires field the base rail inside the right and left, 1/2 in.

  • Page 27: Step 9 - Assemble Barometric Hood

    Secure side retainers (Item 6) to side panels (Items 4 and 5) using the screws provided, screwing from outside of the hood. Secure each central retainer (Item 2) to the hood top (Item 3). Then align central retainers to holes located on filter support (Item 1), so central retainer is perpendicular to hood and each filter support.

  • Page 28: Barometric Hood

    Install parts as shown in the following exploded view (see On the field installed economizer (CRECOMZR0**A00), a Fig. 32) using the seal strip and screws provided in the parts birdscreen or hardware cloth is shipped attached to the box. bottom panel used for vertical applications. NOTE: This panel is not used for horizontal return applications.

  • Page 29: Step 11 - Install Gas Piping

    Manifold pressure is factory-adjusted for NG fuel use. Adjust as required to obtain best flame characteristics. Table 5 — Natural Gas Manifold Pressure Ranges UNIT MODEL UNIT SIZE HIGH FIRE LOW FIRE 3.0 in. wg 2.0 in. wg 581K* 17, 20, 24, 28 (748 Pa) (498 Pa) Manifold pressure for LP fuel use must be adjusted to specified...
  • Page 30 Install a gas supply line that runs to the unit heating section. Refer to the NFPA 54/NFGC or equivalent code for gas pipe sizing data. Do not use a pipe smaller than the size specified. Size the gas sup- ply line to allow for a maximum pressure drop of 0.5 in. wg (124 Pa) between gas regulator source and unit gas valve connec- tion when unit is operating at high-fire flow rate.

  • Page 31: Step 12 - Install External Condensate Trap And Line

    FACTORY OPTION THRU-BASE CONNECTIONS Electrical Connections WARNING Knockouts are located in the control box area. Remove the Failure to follow this warning could result in personal appropriate size knockout for high voltage connection. Use the injury, death and/or property damage. field supplied connector depending on wiring or conduit being uti- lized.

  • Page 32: Step 13 - Make Electrical Connections

    Minimum Pitch 1 in. (25 mm) Per Base Rail 10 ft (3 m) of Line Load 3 in. (76 mm) Side Open Vent Line See Note To Roof Side Drain Roof Detail A Drain Plug Curb NOTE: Trap should be deep enough to offset maximum unit static difference.

  • Page 33: All Units

    Insert the shaft with the cross pin on the top of the shaft in the Units Without Disconnect Option horizontal position. Measure the tip of the shaft to the outside surface of the Equip corner post to be 0.88 inches. GR Lug Tighten the locking screw to secure the shaft to the NFD.

  • Page 34: Convenience Outlets

    Such operation would invalidate any ket over the screw heads. Slip the backing plate over the screw applicable Bryant warranty. heads at the keyhole slots and align with the gasket; tighten the 2 screws until snug (do not over-tighten).

  • Page 35: Factory Option Thru-Base Connections

    The electrical entrance is located in the control box area and can be accessed through the control box access panel. An embossed area is provided with 3 knock outs. High voltage is brought through the multi knock out by removing the appropriate size for the size of the fitting required.

  • Page 36: Units Without Thru-Base Connection Kit

    If the thermostat contains a logic circuit requiring 24 v power, use TRANSFORMER CONNECTION FOR 208-V POWER a thermostat cable or equivalent single leads of different colors SUPPLY with minimum of 7 leads. If the thermostat does not require a 24 v All units except 208/230-v units are factory wired for the voltage source (no “C”...

  • Page 37: Typical Unit Wiring Diagrams

    Programmable Thermostat Unit Control Board Thermostat Connections O/W2/B S RTN Fig. 55 — 581K*17-28 Unit with Perfect Humidity Dehumidification System and Programmable Thermidistat TYPICAL UNIT WIRING DIAGRAMS See Fig. 56-58 for examples of typical unit control and power wiring diagrams. These wiring diagrams are mounted on the inside of the unit control box.
  • Page 38 Fig. 56 — Typical 581K*17-28 Control Wiring Diagram, Electro-Mechanical with POL224 Controller...
  • Page 39 Fig. 57 — Typical 581K*17-24 Power Wiring Diagram, Electro-Mechanical Controller...
  • Page 40 Fig. 58 — Typical 581K*28 Power Wiring Diagram, Electro-Mechanical Controller...

  • Page 41: Integrated Gas Controller

    Integrated Gas Controller shut down the burners, and the control will shorten the 45 second delay to 5 seconds less than the time to trip the limit. For example, This unit contains an Integrated Gas Controller (IGC) board. The if the limit trips at 37 seconds, the control will change the “fan on IGC control board uses a flue gas pressure switch that senses pres- delay”...
  • Page 42 Status Locking Tab Connector Overcurrent Fuse Protection Locking Redundant Gas Tab Connector Valve Relay Spade Connect Ignitor Fig. 60 — IGC Board Component Layout UNIT CONTROL BOARD Fig. 61 — Typical IGC Control Wiring Diagram...
  • Page 43 Table 8 — IGC Board LED Alarm Codes a, b, c, d ACTION TAKEN BY FLASH DESCRIPTION RESET METHOD PROBABLE CAUSE CONTROL CODE Normal Operation — — — Loss of power to the IGC. Check 5 amp fuse Hardware Failure No gas heating.

  • Page 44: Perfect Humidity Dehumidification System

    Perfect Humidity Dehumidification System DEHUM/MECH COOLING (SUBCOOLING) MODE (Optional) This mode increases the latent heat removal and decreases sen- sible cooling compared to normal cooling. This occurs when Units with the factory-installed Perfect Humidity system there is a cooling and dehumidification demands. option are capable of providing multiple modes of improved dehumidification as a variation of the normal cooling cycle.
  • Page 45 Indoor Supply Valve 3-Wway Valve Condenser Coil Hot Gas Reheat Coil Outdoor Air Expansion Valve (TXV) Compressor Evaporator Coil = Closed Valve = Open Valve Indoor Return Air = 3-Way Valve Fig. 63 — Subcooling Mode – Perfect Humidity System for 581K*17-28 Indoor Supply Valve 3-Way...

  • Page 46: Economizerone (Factory Option)

    EconomizerONE (Factory Option) LED Indication NOTE: If different faulty events occur at the same time, the ECONOMIZER SETTINGS sensor/DAC LED lights up following this priority: Red  Interface Overview Yellow  Off. For example, if there is a humidity sensor error and air temperature failure at the same time, the sensor LED EconomizerONE turns red rather than yellow.
  • Page 47 Table 10 — LED Indication FREE SENSOR Power STATUS COOLING DAC LED Yellow Yellow Yellow Commissioning mode Blinking Blinking Blinking Power start-up Yellow On Yellow On Yellow On Free cooling is running Green On — — Free cooling is available Green —...
  • Page 48 Table 11 — Free Cooling Functions CONTROL MODE SENSORS USED ENABLE FREE COOLING? The outside air dry bulb temperature is compared with the set temperature OA (Outside Air) temperature sensor Control Mode 1 shutoff set point. • Fixed Dry Bulb If the outside air dry bulb temperature is below the temperature shutoff set MA (Mixed Air) temperature sensor point, then the outside air is used to meet all or part of the cooling demand.
  • Page 49 Table 12 — 1 and 2-Stage Cooling Stage I/O Logic Table 15 — Different Fan Speeds with Different Configured Outputs ECONOMIZER COOLING COOLING CONDITION MET STAGE 1 STAGE 2 FAN TYPE 1-SPEED COOLING 2-STAGE COOLING • Spd H (regardless of •...
  • Page 50 Table 17 — Different Damper Position Setting with Different Configured Outputs (DCV is Enabled) FAN TYPE 1-STAGE COOLING 2-STAGE COOLING • 2VENTMIN H to 2VENTMAX H (regardless of • 2VENTMIN H to 2VENTMAX H (regardless of 1-SPEED FAN cooling demand, OCC=Yes) cooling demand, OCC=Yes) •...
  • Page 51 • If Exhaust Fan 2 is connected and configured, then Fault Detection and Diagnostics Exhaust Fan 2 parameter group (L, M, and H) is available, The economizer controller can detect and diagnose free cool- depending on fan configuration. ing faults, sensor operation faults, and damper modulating •...

  • Page 52: Wiring

    WIRING WARNING Failure to follow this caution may result in damage to equipment. Be sure to allow enough time for compressor startup and shutdown between checkout tests so that the compressors do not short-cycle. Mounting Devices Connected to the Economizer Controller Devices like damper actuators, sensors (temperature sensor, hu- midity sensor, combination temperature and humidity sensor, CO sensor), thermostats, and exhaust fans can be connected to the...
  • Page 53 Table 19 — Economizer Control Wiring Settings LABEL TYPE DESCRIPTION RS485 Modbus A Line A RS485 Modbus B Line B ¬ GND_ISO Earth Ground Type II NTC 10K or 0-10 vdc Mixed or Discharge Air Temperature Sensor Mixed or Discharge Air Temperature Sensor Common Type II NTC 10K or 0-10 vdc Outside Air Temperature Sensor 0-10 vdc or 4-20mA...
  • Page 54 Connecting Peripheral Devices to the Economizer Controller See Fig. 72-76 for wiring details. • Outside Air: Connect to the Mixed or Discharge Air Temperature Sensor OAT and COM terminals of the Outside Air Temperature Sensor device. • Return Air (Differential): Return Air Temperature Sensor Connect to the RAT and S-COM...
  • Page 55 • Outside Combination Temperature/ Humidity: Connect Combo Temperature and Humidity Sensor to the OAT, COM, and OAH terminals of the device. • Combo Temperature and Humidity Sensor Return Combination Temperature/ Humidity: Connect to the RAT, S-COM, and RAH terminals of the device. Fig.

  • Page 56: Setup And Configuration

    SETUP AND CONFIGURATION NOTE: Parameters and display menus may display differently/dynamically if different applications are config- ured. See Tables 20-27. IMPORTANT: Before setup and configuration, it is recom- mended to obtain some location-based values, such as shutoff points, or utilize the location services in the Climatix ™...
  • Page 57 Table 20 — Status Display PARAMETER DESCRIPTION VALUE 1FREECOOL Indicates if the system can use outdoor air for free cooling. 1ECON ENAB Indicates if outdoor air is being used for the first stage of cooling. Indicates if the space is occupied. If users choose ALWAYS for 6OCC when configuring I/Os, the parameter value is YES;...
  • Page 58 Table 21 — Parameter Settings — Basic PARAMETER DESCRIPTION RANGE DEFAULT Temperature shutoff set point can be obtained automatically if a smartphone or tablet is connected to the network provided by a Wi-Fi/WLAN stick 2 TEMP OFF plugged into the Economizer Controller and the mobile application is 48...80°F;...
  • Page 59 Table 22 — Parameter Settings — Advanced PARAMETER DESCRIPTION VALUE/RANGE DEFAULT 3FREEZE POS Anti-freeze protection damper position (closed or minimum). 3SD ACT POS Damper position during shutdown (open or closed). MAT sensor location: • Choose MAT if the sensor is installed before the DX (Direct Expansion) coil. 3DIF T LOC •...
  • Page 60 Table 23 — Parameter Settings — I/O Configurations (cont) PARAMETER DESCRIPTION VALUE DEFAULT Choose ACT FB if feedback signal is available from the connected damper ACT FB 6AUX-AI2 ACT FB actuator. Otherwise, choose NONE. NONE Choose “COOL 2” if Cooling Stage 2 is available (another compressor is COOL 2 6Y2O COOL 2...

  • Page 61: Installing Optional Hh57Lw001 Single Outside Air Enthalpy Sensor

    Table 26 — Enter Running State PARAMETER DESCRIPTION 8RUN STATE Change to Running State. Press Enter to confirm the change. 8ENTER RUN? Confirm the change to Running State. Perform factory reset. Press Enter to confirm the reset. (This action resets the controller 8FACTORY DEF password to default: OneBT.) 8DEF CONFIRM?
  • Page 62 Fig. 77 — HH57LW001 Dimensional, Connection and Switching Information Fig. 78 — HH79NZ039 Dry Bulb and Mixed Air Sensor Wiring Economizer Actuator Outside Air (This End) Damper Wiring Harness Return Air Damper Fig. 79 — EconomizerONE System Component Locations Fig. 80 — California Title 24 Zones...
  • Page 63 U.S. and Canada I-Codes / ASHRAE Zones Climate Zone 1 Climate Zone 5 and Marine Climate Zone 2 Climate Zone 6 Climate Zone 3 Climate Zone 7 and 8 Climate Zone 4 (Except Marine) Fig. 81 — U.S. and Canada Climate Zones Table 28 —...
  • Page 64 Economizers are shipped standard with an HH79NZ039 outside Table 29 — California Title 24 Regional High Limit Dry air dry bulb sensor (refer to Fig. 78). System default setting (high Bulb Temperature Settings temp limit) is 63°F (17°C) and has a range of 48°F to 80°F (9°C to REQUIRED HIGH LIMIT 27°C).

  • Page 65: Checkout

    CHECKOUT NOTE: All settings are stored in non-volatile flash memory. Status Inspect all wiring connections at the economizer module’s termi- nals, and verify compliance with the installation wiring diagrams. Use the Status menu (refer to Table 20) to check the parameter For checkout, review the Status of each configured parameter and values for the various devices and sensors configured.

  • Page 66: Troubleshooting

    TROUBLESHOOTING For EconomizerONE troubleshooting issues, see Table 31. Table 31 — Operating Issues and Concerns SYMPTOM REASON SOLUTION An alarm is displayed on the Sensor, damper, or the whole working Check sensor, damper, or the whole working system following the detailed alarm information. system may not work properly DAC LED is blinking RED Damper slippage...

  • Page 67: Smoke Detectors

    Smoke Detectors UNITS WITH ELECTRO-MECHANICAL CONTROLS Smoke detectors are available as factory-installed options on The fan speed set up controls are located on the lower section of 581K models. Smoke detectors may be specified for supply air the Unit Control Board (UCB). See Fig. 82. only, for return air without or with economizer, or in combination Check the job specifications for the CFM (cubic feet per of supply air and return air.

  • Page 68: Field Setting

    ESP in. wg Factory Setting: Calculator 9.0 V 6000 Field Setting: 6500 Record field setting here 7000 7500 8000 Switch Range: 8500 9000 4.1 - 7.5 9500 10.0 6.9 - 8.7 10000 7.7 - 10.0 Field Accessories: Economizer * Overlap in A, B, C switch range designed for maximum field adjustment potential.
  • Page 70 © 2024 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53581042-01 Printed in U.S.A. Form No. II581K-17-28-02 Rev. B Pg 70 3-24 Replaces: II581K-17-28-01...

  • Page 71: Start-Up Checklist

    START-UP CHECKLIST FOR 581K*17-28 SINGLE PACKAGE ROOFTOP GAS HEATING/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 Installation Instruction document.
  • Page 72 PRESSURES Gas Inlet Pressure _____________ in. wg Gas Manifold Pressure STAGE 1_____________ in. wg STAGE 2_____________ in. wg Refrigerant Suction STAGE 1 _____________ PSIG STAGE 2 _____________ PSIG Refrigerant Discharge STAGE 1 _____________ PSIG STAGE 2 _____________ PSIG Verify Refrigerant Charge using Charging Charts (Y/N) _____ GENERAL Economizer minimum vent and changeover settings to job requirements (if equipped)

This manual is also suitable for:

Preferred 581k 17 seriesPreferred 581k 20 seriesPreferred 581k 24 seriesPreferred 581k 28 series

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