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Bryant 581Jx14 series, Installation Instructions Manual

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Bryant 581Jx14 series Installation Instructions Manual Download Page 37

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Summary of Contents for 581Jx14 series

Page 1: ...rical Connections 16 Field Power Supply 16 All Units 18 Units without Factory Installed Non Fused Disconnect 18 Units with Factory Installed Non Fused Disconnect 18 Convenience Outlets 19 Factory Option Thru Base Connections Electrical Connections 21 Units without Thru Base Connections 21 Field Control Wiring 21 Thermostat 21 Unit without Thru Base Connection Kit 22 Heat Anticipator Settings 22 Lo...

Page 2: ...ation reliability or operation FIRE EXPLOSION HAZARD Failure to follow this warning could result in personal injury or death Disconnect gas piping from unit when leak testing at pressure greater than 0 5 psig 3450 Pa Pressures greater than 0 5 psig 3450 Pa will cause gas valve damage resulting in hazardous condition If gas valve is subjected to pressure greater than 0 5 psig 3450 Pa it must be rep...

Page 3: ...an Options 1 Standard Static Option Belt Drive 2 Medium Static Option Belt Drive 3 High Static Option Belt Drive C High Static Option with High Efficiency Motor Belt Drive Cooling Tons 14 12 5 ton Packaging and 2 Speed Indoor Fan Motor A Standard Packaging electro mech controls that require W7212 EconoMi er IV B LTL Packaging electro mech controls that require W7212 EconoMi er IV C Standard Packag...

Page 4: ...4 C11338 Fig 2 Unit Dimensional Drawing 14 Size Unit 581J 14 ...

Page 5: ...5 C11339 Fig 2 Unit Dimensional Drawing 14 Size Unit cont 581J 14 ...

Page 6: ... checks before installation 1 Consult local building codes and the NEC National Electrical Code ANSI NFPA 70 for special installa tion requirements 2 Determine unit location from project plans or select unit location 3 Check for possible overhead obstructions which may interfere with unit lifting or rigging Step 1 Plan for Unit Location Select a location for the unit and its support system curb or...

Page 7: ... plug Rig and place unit Convert unit to side duct connection arrangement Install field fabricated ductwork at unit duct openings Install outdoor air hood Install condensate line trap and piping Make electrical connections Install other accessories Frame mounted installation Frame mounted applications generally follow the sequence for a curb installation Adapt as required to suit specific installa...

Page 8: ...8 C10772 Fig 4 Roof Curb Details 581J 14 ...

Page 9: ...eld Fabricate Ductwork NOTE Cabinet return air static pressure a negative condition shall not exceed 0 35 in wg 87 Pa with economizer or 0 45 in wg 112 Pa without economizer For vertical ducted applications secure all ducts to roof curb and building structure Do not connect ductwork to unit Fabricate supply ductwork so that the cross sectional dimensions are equal to or greater than the unit suppl...

Page 10: ...m dimension to float if necessary C10003 Fig 7 Retrofit Installation Dimensions If the alternative condensate drain location through the bottom of the unit is used in conjunction with a retrofit curb the hole in the curb must be moved 12 5 in 320 mm towards the end of the unit See Fig 8 Although unit is weatherproof guard against water from higher level runoff and overhangs Remove all shipping mat...

Page 11: ...the return air compartment It is attached to the economizer using two plastic tie wraps 2 To gain access to the hood remove the filter access panel See Fig 10 3 Locate and cut the 2 plastic tie wraps being careful to not damage any wiring See Fig 11 4 Carefully lift the hood assembly through the filter access opening and assemble per the steps outlined in Economizer Hood and Two Position Hood on p...

Page 12: ...l too far as it might fall out Use the screws provided to attach the hood sides to the hood top Use screws provided to attach the hood sides to the unit See Fig 14 TOP PANEL INDOOR COIL ACCESS PANEL SCREW HOOD DIVIDER LEFT HOOD SIDE C10008 Fig 14 Economizer Hood Construction 3 Remove the shipping tape holding the economizer barometric relief damper in place 4 Insert the hood divider between the ho...

Page 13: ...e 2 Natural Gas Supply Line Pressure Ranges UNIT MIN MAX 581J 14 5 0 in wg 1250 Pa 13 0 in wg 3240 Pa Table 3 Liquid Propane Supply Line Pressure Ranges UNIT MIN MAX 581J 14 11 0 in wg 2740 Pa 13 0 in wg 3240 Pa The gas supply pipe enters the unit at the burner access panel on the front side of the unit through the long slot at the bottom of the access panel The gas connection to the unit is made ...

Page 14: ...e the basepan of the unit the female threads protrude below the basepan Check tightness of connector lock nuts before connecting gas piping Install a 3 4 in NPT street elbow on the thru base gas fitting Attach a 3 4 in pipe nipple with minimum length of 16 in 406 mm field supplied to the street elbow and extend it through the access panel at the gas support bracket See Fig 20 GASKET CONNECTOR PLAT...

Page 15: ... all gas piping in accordance with local and national plumbing and gas codes before connect ing piping to unit NOTE Pressure test the gas supply system after the gas supply piping is connected to the gas valve The supply piping must be disconnected from the gas valve during the testing of the piping systems when test pressure is in excess of 0 5 psig 3450 Pa Pressure test the gas supply piping sys...

Page 16: ...51 MIN C08022 Fig 26 Condensate Drain Piping Details Step 12 Make Electrical Connections ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Do not use gas piping as an electrical ground Unit cabinet must have an uninterrupted unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur This ground may con...

Page 17: ...nit control box 14 1 Disconnect Option 14 1 W O Disconnect Option TB1 14 00 NOTE TEST LEADS Unit may be equipped with short leads pigtails on the field line connection points off the optional disconnect switch These leads are for factory run test purposes only remove and discard before connecting field power wires to unit connection points Make field power connections directly to line connection p...

Page 18: ...unit label diagram for additional information UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage Operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components Such operation would invalidate any applicable Bryant warranty CAUTION NOTE Check all factory and field electrical connections for tightness Unit...

Page 19: ...tlet for power status before opening unit for service Locate its disconnect switch if appropriate and open it Lock out and tag out this switch if necessary WARNING Two types of convenience outlets are offered on the 581J 14 non powered and unit powered Both types provide a 125 volt GFCI ground fault circuit interrupter duplex receptacle rated at 15 A behind a hinged waterproof access cover located...

Page 20: ...itaire Usage intermittent maximum 15 Amps Usage continu maximum 8 Amps Observez une limite de 50 sur le circuit Chargement au dessus de 8 Amps C10077 Fig 37 Convenience Outlet Utilization Notice Test the GFCI receptacle by pressing the TEST button on the face of the receptacle to trip and open the receptacle Check for proper grounding wires and power line phasing if the GFCI receptacle does not tr...

Page 21: ...ption Check tightness of connector lock nuts before connecting electrical conduits Field supplied and field installed liquid tight conduit connectors and conduit may be attached to the connectors on the basepan Pull correctly rated high voltage and low voltage through appropriate conduits Connect the power conduit to the internal disconnect if unit is so equipped or to the external disconnect thro...

Page 22: ...nector at the control box and the wire tie to ensure that the thermostat wire is tight and will not be damaged by contact with the condenser coil See Fig 42 C10018 Fig 42 Thermostat Wire Routing NOTE If thru the bottom connections accessory is used refer to the accessory installation instructions for information on routing power and control wiring Heat Anticipator Settings Set heat anticipator set...

Page 23: ...ontrol box 4 Use the connector and the wire tie to reduce any slack in the humidistat cable to ensure that it will not be damaged by contact with the condenser coil see Fig 42 5 Use wire nuts to connect humidistat cable to two PINK leads in the low voltage wiring as shown in Fig 44 To connect the Edge Programmable Thermidistat T6 PRH01 A 1 Route the Edge Programmable Thermidistat multi conductor t...

Page 24: ...c Rh W1 G Y2 C O W2 B Y1 OAT RRS SRTN HUM D1 D2 V Vg X C G W2 W1 Y2 Y1 R Edge Programable Thermostat Unit CTB THERMOSTAT Connection not required Perfect Humidity FIOP C09501 Fig 45 Typical Rooftop Unit with Perfect Humidity Dehumidification System with Edge Programmable Thermostat 581J 14 ...

Page 25: ... interface card to the RTU Open Selection of the communication protocol and baud rate are made at on board DIP switches Refer to Table 5 RTU Open Controller Inputs and Outputs for locations of all connections to the RTU Open board J4 J2 J1 J5 J5 J22 J17 J19 J14 J11 J22 J3 J13 J12 J15 J20 Network Comm Configurable Input_8 24 VAC Configurable Input_5 24 VAC Configurable Input_3 24 VAC Input_9 Humidi...

Page 26: ...26 C150061 Fig 47 RTU Open System Control Wiring Diagram 581J 14 ...

Page 27: ...27 C150062 Fig 48 RTU Open System Control Wiring Diagram with Perfect Humidityt 581J 14 ...

Page 28: ...tate comp_2 BO Relay 24VAC 1A J1 7 Binary Output 4 Y2 Cool 3 Relay State comp_3 BO Relay 24VAC 1A J11 5 6 Binary Output 7 Y3 Heat 1 Relay State heat_1 BO Relay 24VAC 1A J1 6 Binary Output 3 W1 Heat 2 Relay State heat_2 BO Relay 24VAC 1A J1 5 Binary Output 2 W2 Power Exhaust Relay State pexh BO Relay 24VAC 1A J11 2 3 N O Binary Output 8 PE Dehumidification Relay dehum BO Relay 24VAC 1A J11 7 8 N O ...

Page 29: ...commended that return air duct sensor be installed to allow stand alone operation for back up Refer to the configuration section for details on controller configurations associated with space sensors Field connections to T 55 T 56 and T 59 are provided as examples S 33ZCT55SPT space temperature sensor with override button T 55 S 33ZCT56SPT space temperature sensor with override button and setpoint...

Page 30: ... 2 1 2 1 H G 24 VAC OR 24 VDC NC ALARM RELAY CONTACTS COM NO 0 10VDC SIG COM 4 20mA J3 J4 C08635 Fig 55 Indoor Outdoor Air Quality CO2 Sensor 33ZCSENCO2 Typical Wiring Diagram To accurately monitor the quality of the air in the conditioned air space locate the sensor near a return air grille if present so it senses the concentration of CO2 leaving the space The sensor should be mounted in a locati...

Page 31: ...ant to be tied to a space humidistat or thermidistat on an electromechanical unit On RTU Open equipped units these pink wires must be connected to J11 7 8 to allow the Open board to operate the dehumidification function for the unit Disconnect the J11 Phoenix style connector from the board and use the plug screws to secure the pink wires in pins 7 and 8 reconnect the plug to the board at J11 Relat...

Page 32: ...is accessory the unit must be configured for filter status by setting MENU Config Inputs input 3 5 8 or 9 to Filter Status and normally open N O or normally closed N C Input 8 or 9 is recommended for easy of installation Refer to Fig 46 and Fig 47 or Fig 48 for wire terminations at J5 Fan Status The fan status accessory is a field installed accessory This accessory detects when the indoor fan is b...

Page 33: ...rk address See Fig 61 and 62 for protocol switch settings and address switches The 3rd party connection to the RTU Open is through plug J19 See Fig 63 for wiring NOTE Power must be cycled after changing the SW1 3 switch settings Contact your Bryant applications engineer for more detailed information on protocols 3rd party wiring and networking for RTU Open SW3 Protocol Selection PROTOCOL DS8 DS7 D...

Page 34: ...ntroller and includes a USB Link Cable The link cable connects a USB port to the J12 local access port See Fig 64 RTU Open Troubleshooting Communication LEDs The LEDs indicate if the controller is speaking to the devices on the network The LEDs should reflect communication traffic based on the baud rate set The higher the baud rate the more solid the LEDs will appear See Table 6 NOTE Refer to Cata...

Page 35: ...control 33CSENTHSW is available as a field installed accessory to be used with the EconoMi er2 damper system The outdoor air enthalpy sensor is part of the enthalpy control The separate field installed accessory return air enthalpy sensor 33CSENTSEN is required for differential enthalpy control See Fig 66 Locate the enthalpy control in the economizer next to the Actuator Motor Locate two GRA leads...

Page 36: ... modifications to unit terminal board may be necessary to complete the unit and smoke detector configuration to meet project requirements Units equipped with factory optional Return Air smoke detectors require a relocation of the sensor module at unit installation See Fig 67 for the as shipped location Completing Installation of Return Air Smoke Sensor 1 Unscrew the two screws holding the Return A...

Page 37: ...2 185 HIGH 32 40 33 184 34 40 35 186 34 40 36 186 36 45 38 188 575 3 60 STD 20 25 21 138 24 30 25 142 22 25 23 140 26 30 27 144 MED 20 25 21 138 24 30 25 142 22 25 23 140 26 30 27 144 HIGH 27 30 28 150 31 35 32 154 29 35 30 152 33 40 34 156 581J 14D 2 stage cool Units produced on or prior to 02 15 2015 208 230 3 60 STD 56 56 70 70 59 58 330 60 60 70 70 63 63 334 61 61 70 70 64 64 335 65 65 80 80 6...

Page 38: ... 33 184 34 40 35 186 34 40 36 186 36 45 38 188 575 3 60 STD 20 25 21 138 24 30 25 142 22 25 23 140 26 30 27 144 MED 20 25 21 138 24 30 25 142 22 25 23 140 26 30 27 144 HIGH 27 30 28 150 31 35 32 154 29 35 30 152 33 40 34 156 581J 14D 2 stage cool Units produced on or prior to 02 15 2015 208 230 3 60 STD 56 56 70 70 59 58 330 60 60 70 70 63 63 334 61 61 70 70 64 64 335 65 65 80 80 68 68 339 MED 58 ...

Page 39: ...30 179 30 35 32 181 HIGH 32 40 33 184 34 40 35 186 34 40 36 186 36 45 38 188 575 3 60 STD 22 25 23 138 26 30 27 142 24 25 25 140 27 30 29 144 MED 22 25 23 138 26 30 27 142 24 25 25 140 27 30 29 144 HIGH 27 30 28 150 31 35 32 154 29 35 30 152 33 40 34 156 581J 14D 2 stage cool Units produced on or prior to 02 15 2015 208 230 3 60 STD 56 56 70 60 59 58 311 60 59 70 70 63 62 315 61 60 70 70 64 63 316...

Page 40: ... 181 HIGH 32 40 33 184 34 40 35 186 34 40 36 186 36 45 38 188 575 3 60 STD 22 25 23 138 26 30 27 142 24 25 25 140 27 30 29 144 MED 22 25 23 138 26 30 27 142 24 25 25 140 27 30 29 144 HIGH 27 30 28 150 31 35 32 154 29 35 30 152 33 40 34 156 581J 14D 2 stage cool Units produced or or prior to 02 15 2015 208 230 3 60 STD 56 56 70 70 59 58 311 60 60 70 70 63 62 315 61 61 70 70 64 63 316 65 65 80 80 69...

Page 41: ...er operate a motor where a phase imbalance in supply voltage is greater than 2 Use the following formula to de termine the percentage of voltage imbalance Voltage Imbalance 100 x max voltage deviation from average voltage average voltage Example Supply voltage is 230 3 60 AB 224 v BC 231 v AC 226 v Average Voltage 224 231 226 681 3 3 227 Determine maximum deviation from average voltage AB 227 224 ...

Page 42: ...mper EconoMi er IV with control and integrated barometric relief EconoMi er2 without control for external signal and integrated barometric relief Barometric relief Power Exhaust Differential dry bulb sensor EconoMi er IV Outdoor enthalpy sensor Differential enthalpy sensor Time Guard II compressor anti cycle control Outdoor coil protector grille Head pressure control Programmable setback thermosta...

Page 43: ...FY SETSCREW IS TIGHT j VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED j VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRRECT DIRECTION j VERIFY INSTALLATION OF THERMOSTAT II START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 COMPRESSOR AMPS 1 L1 L2 L3 COMPRESSOR AMPS 2 L1 L2 L3 SUPPLY FAN AMPS L1 L2 L3 TEMPERATURES OUTDOOR AIR TEMPERATURE _F DB DRY BULB RETURN AIR TE...

Page 44: ...NOID ENGERIZED VALVE CLOSES j 6 SWITCH UNIT TO DEHUMID REHEAT BY OPENING Y1 OBSERVE j A SUCTION PRESSURE INCREASES TO NORMAL COOLING LEVEL j B DISCHARGE PRESSURE DECREASES 35 TO 50 PSI j C LIQUID TEMPERATURE RETURNS TO NORMAL COOLNG LEVEL j D LSV SOLENOID ENERGIZED VALVE CLOSES j E DSV SOLENOID ENERGIZED VALVE OPENS j 7 WITH UNIT IN DEHUMID MODE CLOSE W1 COMPRESSOR AND OUTDOOR FAN STOP LSV AND DSV...

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