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Legacy™ Line 582K*04-06 Ultra Low NOx
Si n gl e P a c ka g e Roo ft o p
U l t r a L o w N O x ( 1 4 n g / J ) G a s H e a t / E l e c t r i c C o o l i n g U n i t
with Pu ro n® ( R- 4 1 0 A) R efr i ger an t
3 t o 5 N o m i n a l T o n s
Service and Maintenance Instructions
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2
UNIT ARRANGEMENT AND ACCESS . . . . . . . . . . . . . . 3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SUPPLY FAN (BLOWER) SECTION . . . . . . . . . . . . . . . . 4
Supply Fan (Direct-Drive) . . . . . . . . . . . . . . . . . . . . . . . . . . 4
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Condenser Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Evaporator Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Evaporator Coil Metering Devices . . . . . . . . . . . . . . . . . . 13
THERMOSTATIC EXPANSION VALVE (TXV) . . . . . 13
TXV Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Replacing TXV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Refrigerant System Pressure Access Ports . . . . . . . . . . . . 14
PURON (R-410A) REFRIGERANT . . . . . . . . . . . . . . . . . 15
Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
COMPRESSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Replacing Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Condenser-Fan Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 18
Troubleshooting Cooling System . . . . . . . . . . . . . . . . . . . . 20
CONVENIENCE OUTLETS . . . . . . . . . . . . . . . . . . . . . . 21
Convenience Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Installing Weatherproof Cover . . . . . . . . . . . . . . . . . . . . . 21
Non-Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Unit-Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fuse on Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SMOKE DETECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Smoke Detector Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Smoke Detector Locations . . . . . . . . . . . . . . . . . . . . . . . . . 23
FIOP Smoke Detector Wiring and Response . . . . . . . . . . 25
SENSOR AND CONTROLLER TESTS . . . . . . . . . . . . . 26
Sensor Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Controller Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Dirty Controller Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Dirty Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Changing the Dirty Sensor Test . . . . . . . . . . . . . . . . . . . . 26
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53582022-01
Printed in U.S.A.
Form No. SM582K-D-4-6-02
Remote Station Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
SD-TRK4 Remote Alarm Test Procedure . . . . . . . . . . . . 27
Page
Remote Test/Reset Station Dirty Sensor Test . . . . . . . . . 27
Dirty Sensor Test Using an SD-TRK4 . . . . . . . . . . . . . . . 27
Detector Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
PROTECTIVE DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . 29
Compressor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Relief Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Control Circuit, 24-V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
GAS HEATING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . 29
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Fuel Types and Pressures . . . . . . . . . . . . . . . . . . . . . . . . . 29
Combustion-Air Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Burners and Igniters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Burner Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Orifice Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Troubleshooting Heating System . . . . . . . . . . . . . . . . . . . 34
RTU OPEN CONTROL SYSTEM . . . . . . . . . . . . . . . . . . 36
Sensory/Accessory Installation . . . . . . . . . . . . . . . . . . . . . 36
ECONOMIZER SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . 37
EconoMi$er2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
EconomizerONE (Field-Installed Accessory) . . . . . . . . . 39
EconomizerONE (Factory Option) . . . . . . . . . . . . . . . . . . 43
PRE-START-UP/START-UP . . . . . . . . . . . . . . . . . . . . . . 64
START-UP, GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Additional Installation/Inspection . . . . . . . . . . . . . . . . . . 64
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Outdoor-Air Inlet Screens . . . . . . . . . . . . . . . . . . . . . . . . . 65
Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Refrigerant Service Ports . . . . . . . . . . . . . . . . . . . . . . . . . 65
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Main Burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Ventilation (Continuous Fan) . . . . . . . . . . . . . . . . . . . . . . 66
FASTENER TORQUE VALUES . . . . . . . . . . . . . . . . . . . 66
START-UP, RTU OPEN CONTROLS . . . . . . . . . . . . . . 66
APPENDIX A - MODEL NUMBER
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
APPENDIX B - PHYSICAL DATA . . . . . . . . . . . . . . . . 68
APPENDIX C - FAN PERFORMANCE . . . . . . . . . . . . 75
APPENDIX D - WIRING DIAGRAMS . . . . . . . . . . . . 100
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . CL-1
Pg 1
5-24
Replaces: SM582K-D-4-6-01
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Table of Contents
Troubleshooting
Related Manuals for Bryant Legacy 582K 04 Series
Summary of Contents for Bryant Legacy 582K 04 Series
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Page 1: Table Of Contents
Legacy™ Line 582K*04-06 Ultra Low NOx Si n gl e P a c ka g e Roo ft o p U l t r a L o w N O x ( 1 4 n g / J ) G a s H e a t / E l e c t r i c C o o l i n g U n i t with Pu ro n®... -
Page 2: Safety Considerations
SAFETY CONSIDERATIONS Installation and servicing of air-conditioning equipment can be WARNING hazardous due to system pressure and electrical components. FIRE, EXPLOSION HAZARD Only trained and qualified service personnel should install, re- pair, or service air-conditioning equipment. Untrained personnel Failure to follow this warning could result in death, serious can perform the basic maintenance functions of replacing filters. -
Page 3: Unit Arrangement And Access
UNIT ARRANGEMENT AND ACCESS Heating • Heat exchanger flue passageways cleanliness General • Gas burner condition Figures 1 and 2 show general unit arrangement and access • Gas manifold pressure locations. • Heating temperature rise Filter Access Panel Economizer or Outside Air Damper •... -
Page 4: Supply Fan (Blower) Section
SUPPLY FAN (BLOWER) SECTION 17' 1/4" WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death. Before performing service or maintenance operations on Divider unit, LOCKOUT/TAGOUT the main power switch to unit. Electrical shock and rotating equipment could cause severe Outside injury. -
Page 5: Selecting Fan Speed
EVALUATING MOTOR SPEED The direct drive ECM blower motor uses a constant speed design. Motor speed is controlled by a 0-10 vdc signal, where 10 vdc is equal to motor’s maximum rpm. SELECTING FAN SPEED All units come factory set for 7.8 vdc or approximately 78% of the motor’s maximum speed. -
Page 6: Field Setting
ESP in. wg Factory Setting: Calculator 9.0 V 1500 Field Setting: 1625 Record field setting here 10.0 1750 1875 2000 Switch Range: 2125 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 designed for maximum field adjustment potential. - Page 7 Low Speed Fan Adjustment (Single Phase and 3-Phase Units) position. See Fig. 10. Switches 2 and 3 are used to determine the unit tonnage. Switches 4 and 5 are used to match the motor and 2-Pin DIP Switch drive combination. Table 2 details the various settings for the The 2-pin DIP switch is common to both the single and 3 phase 5-pin DIP switch.
- Page 8 TROUBLESHOOTING THE ECM MOTOR Axion™ Fan Technology 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 opera- tion.
- Page 9 Removing the Motor and Fan Assembly NOTE: Due to press fit design of composite Rotor on Motor, it is highly recommended that any time a motor is replaced the fan rotor is replaced as well. The rest of the assembly may be reused. See Fig.
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Page 10: Cooling
Fit grommet on motor wire harness into keyhole feature on Reinstalling Motor and Fan Assembly the side of the stator and pull wire harness out through See Fig. 16. grommet. Align motor harness/grommet at ~7 o’clock (facing installer) Install rotor on motor by lining up one of 9 holes on com- and align the bottom flats on right and left sides of fan stator posite rotor with one of 9 holes on motor flange. -
Page 11: Condenser Coil Maintenance And Cleaning Recommendation
Condenser Coil Maintenance and Cleaning Two-Row Condenser Coils (582K*05-06 Ultra Low NOx Units) Recommendation Clean coil as follows: Routine cleaning of coil surfaces is essential to maintain proper operation of the unit. Elimination of contamination and removal of Turn off unit power, tag disconnect. harmful residues will greatly increase the life of the coil and ex- Remove all screws from the top panel except the screws tend the life of the unit. - Page 12 Coil Clips CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in reduced unit performance or unit shutdown. High velocity water from a pressure washer, garden hose, or compressed air should never be used to clean a coil. The force of the water or air jet will bend the fin edges and increase airside pressure drop.
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Page 13: Evaporator Coil
Evaporator Coil The pin is spring loaded, which exerts pressure on the underside of the diaphragm. Therefore, the bulb pressure CLEANING THE EVAPORATOR COIL works against the spring pressure and evaporator suction pressure to open the valve. If the load increases, the tem- Turn unit power off. -
Page 14: Refrigerant System Pressure Access Ports
Refrigerant System Pressure Access Ports permanently assembled into this core body and cannot be serviced separately; replace the entire core body if necessary. Service tools There are two access ports in the system: on the suction tube near are available from RCD that allow the replacement of the check the compressor and on the discharge tube near the compressor. -
Page 15: Puron (R-410A) Refrigerant
Puron (R-410A) refrigerant from the cylinder as a vapor. Refrigerant Charge Amount of refrigerant charge is listed on the unit’s nameplate. Re- fer to Bryant GTAC2-5 Charging, Recovery, Recycling and Recla- mation training manual and the following procedures. Remove Charge if Below the Curve Unit panels must be in place when unit is operating during the charging procedure. -
Page 16: System) Option
Cooling Charging Chart Std Tier 4 Ton 3 Ton Std Tier Hot Gas Reheat R-410A CHARGING CHART (3-Phase) R-410A Refrigerant (Unit must run on Sub-cooling mode) 1241 OUTDOOR TEMP 59.9 1172 °F / °C 115 / 46 105 / 41 95 / 35 1103 48.8... -
Page 17: Compressor
Cooling Charging Chart Std Tier 5 Ton 5 Ton Std Tier Hot Gas Reheat R-410A CHARGING CHART (Single Phase) R-410A Refrigerant (Unit must run on Sub-cooling mode) 1241 OUTDOOR TEMP 59.9 1172 °F / °C 115 / 46 Add Charge if Above the Curve 105 / 41 Add Charge if Above the Curve 95 / 35... -
Page 18: Replacing Compressor
On 3-phase units with scroll compressors, it is important to be cer- tain compressor is rotating in the proper direction. To determine WARNING whether or not compressor is rotating in the proper direction: Connect service gauges to suction and discharge pressure FIRE, EXPLOSION HAZARD fittings. - Page 19 No Screw (Blank Tab) Fig. 33 — Condenser-Fan Assembly — Screw Pattern Sequence...
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Page 20: Troubleshooting Cooling System
Troubleshooting Cooling System Refer to Table 4 for additional troubleshooting topics. Table 4 — 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 21: Convenience Outlets
CONVENIENCE OUTLETS Loosen the two screws at the GFCI duplex outlet, until approximately 1/2-in. (13 mm) under screw heads is exposed. Press the gasket over the screw heads. Slip the backing WARNING plate over the screw heads at the keyhole slots and align with the gasket;... -
Page 22: Duty Cycle
SMOKE DETECTORS Smoke detectors are available as factory-installed options on 582K Ultra Low NOx models. Smoke detectors may be specified for supply air only, for return air without or with economizer, or in combination of supply air and return air. Return air smoke detec- tors are arranged for vertical return configurations only. -
Page 23: Smoke Detector Locations
Air is introduced to the duct smoke detector sensor’s sensing chamber through a sampling tube that extends into the HVAC duct and is directed back into the ventilation system through a (shorter) Supply Air exhaust tube. Smoke Detector The difference in air pressure between the two tubes pulls the sam- pled air through the sensing chamber. -
Page 24: Completing Installation Of Return Air Smoke Detector
RETURN AIR SMOKE DETECTOR SENSOR WITH Flexible Exhaust Tubes ECONOMIZER The sampling tube is inserted through the side plates of the econo- mizer housing, placing it across the return air opening on the unit basepan. See Fig. 41. The holes in the sampling tube face down- ward, into the return air stream. -
Page 25: Fiop Smoke Detector Wiring And Response
FIOP Smoke Detector Wiring and Response Highlight D WHT lead at Smoke Alarm input on UCB provides 24-v signal to ELECTRO-MECHANICAL AND RTU OPEN UNITS FIOP DDC control. The FIOP smoke detector is configured to automatically shut RTU Open down all unit operations when a smoke condition is detected. See The 24-v signal is conveyed to RTU Open-J1-10 input terminal. -
Page 26: Sensor And Controller Tests
SENSOR AND CONTROLLER TESTS Dirty Sensor Test The dirty sensor test provides an indication of the sensor’s ability Sensor Alarm Test to compensate for gradual environmental changes. A sensor that The sensor alarm test checks a sensor’s ability to signal an alarm can no longer compensate for environmental changes is consid- state. -
Page 27: Sd-Trk4 Remote Alarm Test Procedure
Dirty Sensor Test Using an SD-TRK4 Turn the key switch to the RESET/TEST position for two IMPORTANT: Failure to follow this ALERT can result in an seconds. unnecessary evacuation of the facility. Verify that the test/reset station’s Trouble LED flashes. This test places the duct detector into the alarm state. -
Page 28: Alarm State
ALARM STATE RESETTING ALARM AND TROUBLE CONDITION TRIPS The smoke detector enters the alarm state when the amount of Manual reset is required to restore smoke detector systems to Nor- smoke particulate in the sensor’s sensing chamber exceeds the mal operation. For installations using two sensors, the duct smoke alarm threshold value. -
Page 29: Protective Devices
PROTECTIVE DEVICES Compressor Protection FLUE GAS FLUE GAS PRESSURE PRESSURE SENSE TUBE SWITCH OVERCURRENT The compressor has internal line-break motor protection. OVERTEMPERATURE BURNER The compressor has an internal protector to protect it against ex- FLUE EXHAUST cessively high discharge gas temperatures. HIGH PRESSURE SWITCH The system is provided with a high pressure switch mounted on INDUCED-... -
Page 30: Unit Model
Manifold pressure is factory-adjusted for Natural Gas (NG) To inspect blower wheel, shine a flashlight into draft hood open- fuel use. Adjust as required to obtain best flame characteristic ing. If cleaning is required, remove motor and wheel as follows: (see Table 8). -
Page 31: Burners And Igniters
Burners and Igniters CLEANING AND ADJUSTMENT Remove gas valve assembly from unit as described in “Removal and Replacement of Gas Train” section. CAUTION If factory orifice has been removed, check that each orifice is tight at its threads into the manifold pipe and that orifice EQUIPMENT DAMAGE HAZARD projection does not exceed maximum value. -
Page 32: Gas Valve
Heat Exchanger Support Rack Limit Switch Heat Exchanger Cover Panel Unit Center Burner Post Partition Panel Fig. 53 — Heat Exchanger Access - Internal Panels, Center Post and HX Rack Locations GAS VALVE All Ultra-Low NOx models are equipped with single-stage gas valve. -
Page 33: Limit Switch
CHECK UNIT OPERATION AND MAKE NECESSARY reset. The LED error code can be observed through the viewport. During servicing, refer to the label on the control box cover or ADJUSTMENTS Table 9 for an explanation of LED alarm code descriptions. NOTE: Gas supply pressure at gas valve inlet must be within If lockout occurs, unit may be reset by interrupting power supply specified ranges for fuel type and unit size. -
Page 34: Orifice Replacement
Orifice Replacement the second stage of heat whenever the ambient temperature is below the thermostat set point. Indoor comfort may be compro- This unit uses orifice type LH32RFnnn (where “nnn” indicates mised when heating is initiated using low entering air tempera- orifice reference size). -
Page 35: Reset Method
Table 11 — 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 on IGC, power to Hardware Failure No gas heating. -
Page 36: Rtu Open Control System
The RTU Open controller is an integrated component of the RTU Open. Some of these can be factory or field installed, while Bryant rooftop unit. Its internal application programming provides others are only field installable. The RTU Open controller may optimum performance and energy efficiency. -
Page 37: Electrical Shock Hazard
WARNING Actuator Wiring ELECTRICAL SHOCK HAZARD Harness Failure to follow this warning could result in personal injury, death and/or equipment damage. Disconnect and lockout/tagout electrical power before wiring the RTU Open controller. Additional RTU Open Installation and Troubleshooting Additional installation, wiring and troubleshooting information for the RTU Open Controller can be found in the following man- ual: “582/559K, 581/5551K Single Package Rooftop Units with RTU Open Controls, Start-up, Operation and Troubleshooting... -
Page 38: Economi$Er2
EconoMi$er2 IMPORTANT: The optional EconoMi$er 2 does not ® include a controller. The EconoMi$er2 is operated by a 4 mA to 20 mA signal from an existing field-supplied con- troller. See Fig. 61 for wiring information. BLACK Transformer Ground BLUE 500 OHM Resistor VIOLET... -
Page 39: Economizerone (Field-Installed Accessory)
EconomizerONE (Field-Installed Accessory) MOUNTING, INSTALLATION, AND 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 the Economizer Controller Base Module Before mounting, leave specific mounting clearances so that there is space for mounting, wiring, and servicing. - Page 40 Table 12 — 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 41 CONNECTING PERIPHERAL DEVICES TO THE ECONOMIZER CONTROLLER See Fig. 63-67 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 42 • 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.
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Page 43: Economizerone (Factory Option)
EconomizerONE (Factory Option) the harness are made to the C (24 vac common) and R (24 vac power) terminals of the economizer controller. See Fig. 70. ECONOMIZER SETTINGS LED Indication Interface Overview NOTE: If different faulty events occur at the same time, then EconomizerONE sensor/DAC LED lights up following the priority below: Red ... - Page 44 Table 13 — 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 45 Table 14 — Free Cooling Functions CONTROL MODE SENSORS USED ENABLE FREE COOLING? The outside air dry bulb temperature is compared with the set temperature Control Mode 1 OA (outside air) Temperature Sensor shutoff setpoint. • Fixed Dry bulb and MA (Mixed Air) Temperature Sensor If the outside air dry bulb temperature is below the temperature shutoff setpoint, then the outside air is used to meet all or part of the cooling demand.
- Page 46 Table 15 — 1 and 2-Stage Cooling Stage I/O Logic Table 18 — 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 47 Table 20 — Different Damper Position Settings 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 48 Exhaust Fan Operation Users can enable this function only from the Climatix mobile ap- ™ plication if the related function is available in the current mobile Up to two exhaust fans can be connected to the economizer application version. controller. Fault Detection and Diagnostics •...
- Page 49 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, humidity sensor, combination temperature and humidity sensor, CO...
- Page 50 Table 22 — EconomizerONE 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 51 Connecting Peripheral Devices to the Economizer Controller See Fig. 75-79 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 52 • 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.
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Page 53: Setup And Configuration
SETUP AND CONFIGURATION NOTE: Parameters and display menus may display differently/dynamically if different applications are config- ured. See Tables 23-30. IMPORTANT: Before setup and configuration, it is recommend- ed to obtain some location-based values, such as shutoff points, IMPORTANT: Not all operations are available on the local or utilize the location services in the Climatix ™... - Page 54 Table 23 — Status Display PARAMETER DESCRIPTION VALUE 1FREECOOL Indicates whether the system can use outdoor air for free cooling. 1ECON ENAB Indicates whether outdoor air is being used for the first stage of cooling. Indicates whether the space is occupied. If users choose ALWAYS for 6OCC when configuring I/Os, then the parameter value is YES;...
- Page 55 Table 24 — Parameter Settings — Basic PARAMETER DESCRIPTION RANGE DEFAULT Temperature shutoff setpoint can be obtained automatically if a smartphone or tablet with the mobile application installed on it is connected to the 2 TEMP OFF 48...80°F; increment by 1 63°F network provided by a Wi-Fi/WLAN stick plugged into the economizer controller.
- Page 56 Table 25 — 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 57 Table 26 — Parameter Settings — I/O Configurations (cont) PARAMETER DESCRIPTION VALUE DEFAULT Choose “COOL 2” if Cooling Stage 2 is available (another compressor is COOL 2 6Y2O COOL 2 connected to the Economizer). Otherwise, choose “NONE”. NONE Auxiliary DO-1. Configurable as: NONE •...
- Page 58 Table 29 — 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 59 Fig. 80 — HH57LW001 Dimensional, Connection and Switching Information Fig. 81 — HH79NZ039 Dry Bulb and Mixed Air Sensor Wiring Actuator Wiring Harness Outside Air Temperature Sensor Outside Air Damper Fig. 83 — California Title 24 Zones Fig. 82 — EconomizerONE Component Locations (CRECOMZR108A00 Shown)
- Page 60 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. 84 — U.S. and Canada Climate Zones Table 31 —...
- Page 61 Economizers are shipped standard with an HH79NZ039 outside Table 32 — California Title 24 Regional High Limit Dry air dry bulb sensor (see Fig. 81). System default setting (high temp Bulb Temperature Settings limit) is 63°F (17°C) and has a range of 48°F to 80°F (9°C to REQUIRED HIGH LIMIT 27°C).
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Page 62: Electric Shock Hazard
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 23) to check the parameter For checkout, review the Status of each configured parameter and values for the various devices and sensors configured. -
Page 63: Troubleshooting
TROUBLESHOOTING For EconomizerONE troubleshooting issues see Table 34. Table 34 — 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 64: 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 65: What To Do If You Smell Gas
Compressor Rotation WARNING CAUTION RISK OF FIRE OR EXPLOSION If the information in this manual is not followed exactly, a fire EQUIPMENT DAMAGE HAZARD or explosion may result causing property damage, personal in- Failure to follow this caution can result in premature wear jury or loss of life. -
Page 66: Ventilation (Continuous Fan)
After a call for heating, the main burners should light temporarily shut unit off until space temperature falls below within 5 seconds. If the burner does not light, then there is thermostat setting. a 22-second delay before another 5-second try. If the Ventilation (Continuous Fan) burner still does not light, the time delay is repeated. -
Page 67: Appendix A - Model Number Nomenclature
APPENDIX A — MODEL NUMBER NOMENCLATURE Position: 9 10 11 12 13 14 15 16 17 Example: Unit Type Packaging and Control 582 = Gas Heat RTU, Legacy™ Line A = Standard Packaging, electromechanical controls, no intake or exhaust option. Will allow for use of all field-installed Model economizers, manual or two-position... -
Page 68: Appendix B - Physical Data
APPENDIX B — PHYSICAL DATA 582K Ultra Low NOx Units — 3 Ton Physical Data 582K UNIT 582K(E/P)04-D 582K(E/P)04-E 582KJ04-3 NOMINAL TONS BASE UNIT OPERATING WT (lb) REFRIGERATION SYSTEM No. of Circuits / No. of Compressors / Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll Puron... - Page 69 APPENDIX B — PHYSICAL DATA (cont) 582K Ultra Low NOx Units — 3 Ton Physical Data (cont) 582K UNIT 582K(E/P)04-D 582K(E/P)04-E 582KJ04-3 High Static 3-Phase Motor Qty / Drive Type 1 / Direct 1 / Direct — Maximum Continuous bhp 1.07 1.07 —...
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Page 70: Refrigeration System
APPENDIX B — PHYSICAL DATA (cont) 582K Ultra Low NOx Units — 4 Ton Physical Data 582K UNIT 582K(E/P)05-D 582K(E/P)05-E 582KJ05-3 NOMINAL TONS BASE UNIT OPERATING WT (lb) REFRIGERATION SYSTEM No. of Circuits / No. of Compressors / Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll Puron... - Page 71 APPENDIX B — PHYSICAL DATA (cont) 582K Ultra Low NOx Units — 4 Ton Physical Data (cont) 582K UNIT 582K(E/P)05-D 582K(E/P)05-E 582KJ05-3 High Static 3-Phase Motor Qty / Drive Type 1 / Direct 1 / Direct — Maximum Continuous bhp 1.96 1.96 —...
- Page 72 APPENDIX B — PHYSICAL DATA (cont) 582K Ultra Low NOx Units — 5 Ton Physical Data 582K UNIT 582K(E/P)06-D 582K(E/P)06-E 582KJ06-3 NOMINAL TONS BASE UNIT OPERATING WT (lb) REFRIGERATION SYSTEM No. of Circuits / No. of Compressors / Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll Puron...
- Page 73 APPENDIX B — PHYSICAL DATA (cont) 582K Ultra Low NOx Units — 5 Ton Physical Data (cont) 582K UNIT 582K(E/P)06-D 582K(E/P)06-E 582KJ06-3 CONDENSER FAN AND MOTOR Qty / Motor Drive Type 1 / Direct 1 / Direct 1 / Direct Motor HP / rpm 1/4 / 1100 1/4 / 1100...
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Page 74: Gas Connection
APPENDIX B — PHYSICAL DATA (cont) 582K Ultra Low NOx Units, 3 to 5 Ton Gas Heat Data — 1 Phase Units 582K UNIT 582KJ04 582KJ05 582KJ06 GAS CONNECTION No. of Gas Valves Natural Gas Supply Line Pressure 5-13 [0.18-0.47] 5-13 [0.18-0.47] 5-13 [0.18-0.47] (in. -
Page 75: Appendix C - Fan Performance
Product Data book. External static pressure is the static pressure difference For more information on the performance limits of Bryant between the return duct and the supply duct plus the static motors, see the application data section of the Product Data pressure caused by any FIOPs or accessories. - Page 76 APPENDIX C — FAN PERFORMANCE (cont) 582KJ043 Single Phase Ultra Low NOx — 3 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1112 0.10 1341 0.17 1530 0.25 1696 0.34 1845 0.44 1162 0.11 1385 0.19 1571 0.27 1733...
- Page 77 APPENDIX C — FAN PERFORMANCE (cont) 582KJ043 Single Phase Ultra Low NOx — Medium Static — 3 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1112 1341 1530 1696 1845 1162 1385 1571 1733 1881 1050 1213 1431 1613...
- Page 78 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)04D Three Phase Ultra Low NOx — 3 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1112 0.10 1341 0.17 1530 0.25 1696 0.34 1845 0.44 1162 0.11 1385 0.19 1571 0.27 1733...
- Page 79 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)04D Three Phase Ultra Low NOx — Medium Static — 3 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1112 1341 1530 1696 1845 1162 1385 1571 1733 1881 1050 1213 1431 1613...
- Page 80 APPENDIX C — FAN PERFORMANCE (cont) 582KJ053 Single Phase Ultra Low NOx — 4 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1262 0.21 1452 0.33 1614 0.45 1757 0.58 1888 0.72 1300 1333 0.25 1516 0.37 1674...
- Page 81 APPENDIX C — FAN PERFORMANCE (cont) 582KJ053 Single Phase Ultra Low NOx — Medium Static — 4 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1262 1452 1614 1757 1888 1300 1333 1516 1674 1813 1942 1400 1405...
- Page 82 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)05D Three Phase Ultra Low NOx — 4 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1262 0.21 1453 0.33 1614 0.45 1757 0.58 1888 0.72 1300 1333 0.25 1517 0.37 1674...
- Page 83 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)05D Three Phase Ultra Low NOx — Medium Static — 4 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1262 1453 1614 1757 1888 1300 1333 1517 1674 1814 1942 1400 1405...
- Page 84 APPENDIX C — FAN PERFORMANCE (cont) 582KJ063 Single Phase Ultra Low NOx — 5 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1478 0.34 1650 0.48 1799 0.62 1932 0.76 2055 0.92 1625 1571 0.41 1735 0.55 1879...
- Page 85 APPENDIX C — FAN PERFORMANCE (cont) 582KJ063 Single Phase Ultra Low NOx — Medium Static — 5 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1478 1650 1799 1932 2055 1625 1571 1735 1879 2009 2129 1750 1666...
- Page 86 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)06D Three Phase Ultra Low NOx — 5 Ton Vertical Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1478 0.34 1650 0.48 1798 0.62 1932 0.76 2055 0.92 1625 1571 0.41 1735 0.55 1879...
- Page 87 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)06D Three Phase Ultra Low NOx — Medium Static — 5 Ton Vertical Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1478 1650 1798 1932 2055 1625 1571 1735 1879 2009 2129 1750 1665...
- Page 88 APPENDIX C — FAN PERFORMANCE (cont) 582KJ043 Single Phase Ultra Low NOx — 3 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1079 0.09 1315 0.16 1510 0.24 1679 0.33 1830 0.43 1126 0.10 1355 0.17 1546 0.26 1713...
- Page 89 APPENDIX C — FAN PERFORMANCE (cont) 582KJ043 Single Phase Ultra Low NOx — Medium Static — 3 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1079 1315 1510 1679 1830 1126 1355 1546 1713 1863 1050 1175 1396 1584...
- Page 90 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)04D Three Phase Ultra Low NOx — 3 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1079 0.09 1315 0.16 1510 0.24 1679 0.33 1830 0.43 1126 0.10 1355 0.17 1546 0.26 1713...
- Page 91 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)04D Three Phase Ultra Low NOx — Medium Static — 3 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1079 1315 1510 1679 1830 1126 1355 1546 1713 1863 1050 1175 1396 1584...
- Page 92 APPENDIX C — FAN PERFORMANCE (cont) 582KJ053 Single Phase Ultra Low NOx — 4 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1217 0.19 1411 0.30 1576 0.42 1722 0.55 1855 0.68 1300 1283 0.23 1470 0.34 1631...
- Page 93 APPENDIX C — FAN PERFORMANCE (cont) 582KJ053 Single Phase Ultra Low NOx — Medium Static — 4 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1217 1411 1576 1722 1855 1300 1283 1470 1631 1774 1904 1400 1351...
- Page 94 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)05D Three Phase Ultra Low NOx — 4 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1216 0.19 1411 0.30 1576 0.42 1722 0.55 1855 0.68 1300 1282 0.23 1470 0.34 1631...
- Page 95 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)05D Three Phase Ultra Low NOx — Medium Static — 4 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1200 1216 1411 1576 1722 1855 1300 1282 1470 1631 1773 1904 1400 1351...
- Page 96 APPENDIX C — FAN PERFORMANCE (cont) 582KJ063 Single Phase Ultra Low NOx — 5 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1420 0.31 1593 0.43 1746 0.57 1883 0.71 2008 0.86 1625 1509 0.37 1673 0.50 1820...
- Page 97 APPENDIX C — FAN PERFORMANCE (cont) 582KJ063 Single Phase Ultra Low NOx — Medium Static — 5 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1420 1593 1746 1883 2008 1625 1509 1673 1820 1954 2076 1750 1599...
- Page 98 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)06D Three Phase Ultra Low NOx — 5 Ton Horizontal Supply (rpm - bhp) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1420 0.31 1593 0.43 1746 0.57 1883 0.71 2008 0.86 1625 1509 0.37 1673 0.50 1820...
- Page 99 APPENDIX C — FAN PERFORMANCE (cont) 582K(E/P)06D Three Phase Ultra Low NOx — Medium Static — 5 Ton Horizontal Supply (rpm - vdc) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 1500 1420 1593 1746 1883 2008 1625 1509 1673 1820 1954 2076 1750 1599...
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Page 100: Appendix D - Wiring Diagrams
APPENDIX D — WIRING DIAGRAMS 582K*04-06 Ultra Low NOx Units — Wiring Diagrams CONTROL WIRING POWER WIRING CONTROLLER VOLTAGE PAGE PAGE DIAGRAM DIAGRAM 208/230-1-60 48TC004947 48TC004291 582K Ultra Low NOx with Standard Electro- 208/230-3-60 48TC004945 48TC004289 Mechanical with POL224 Controller 460-3-60 48TC004946 48TC004290... - Page 101 APPENDIX D — WIRING DIAGRAMS (cont) Fig. B — 582K Ultra Low NOx — 208/230-1-60 — Electro-Mechanical with POL224 Controller — Control Wiring Diagram...
- Page 102 APPENDIX D — WIRING DIAGRAMS (cont) Fig. C — 582K Ultra Low NOx — 208/230-3-60 — Electro-Mechanical with POL224 Controller — Control Wiring Diagram...
- Page 103 APPENDIX D — WIRING DIAGRAMS (cont) Fig. D — 582K Ultra Low NOx — 460-3-60 — Electro-Mechanical with POL224 Controller — Control Wiring Diagram...
- Page 104 APPENDIX D — WIRING DIAGRAMS (cont) Fig. E — 582K Ultra Low NOx — 208/230-1-60 — Control Wiring Diagram for Units with RTU Open Controller...
- Page 105 APPENDIX D — WIRING DIAGRAMS (cont) Fig. F — 582K Ultra Low NOx — 208/230-3-60 — Control Wiring Diagram for Units with RTU Open Controller...
- Page 106 APPENDIX D — WIRING DIAGRAMS (cont) Fig. G — 582K Ultra Low NOx — 460-3-60 — Control Wiring Diagram for Units with RTU Open Controller...
- Page 107 APPENDIX D — WIRING DIAGRAMS (cont) Fig. H — 582K Ultra Low NOx — 208/230-1-60 — Power Wiring Diagram for Units with Standard, RTU Open or POL224 Controllers...
- Page 108 APPENDIX D — WIRING DIAGRAMS (cont) A M E R I C A N W I R E G A U G E Fig. I — 582K Ultra Low NOx — 208/230-3-60 — Power Wiring Diagram for Units with Standard, RTU Open or POL224 Controllers...
- Page 109 APPENDIX D — WIRING DIAGRAMS (cont) Fig. J — 582K Ultra Low NOx — 460-3-60 — Power Wiring Diagram for Units with Standard, RTU Open or POL224 Controllers...
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Page 110: Appendix E - Low Ambient Control Sensor Location
APPENDIX E — LOW AMBIENT CONTROL SENSOR LOCATION Sensor Location Sensor Location Fig. K — 582K*04 Ultra Low NOx Outdoor Circuiting Fig. L — 582K*05/06 Ultra Low NOx Outdoor Circuiting © 2024 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. -
Page 111: Preliminary Information
START-UP CHECKLIST 582K*04-06 Ultra Low NOx Single Package Rooftop Gas Heating/Electric Cooling Unit (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 sec- tions of this Service and Maintenance Instruction document. - Page 112 TEMPERATURES Outdoor-air Temperature _____________ °F DB (Dry Bulb) Return-air Temperature _____________ °F DB _____________ °F WB (Wet Bulb) Cooling Supply Air Temperature _____________ °F Gas Heat Supply Air _____________ °F PRESSURES Gas Inlet Pressure in. wg ____________ in. wg Gas Manifold Pressure STAGE 1 ____________ in.
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