Bryant 581J series Installation Instructions Manual Download Page 40

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Table 9 − Unit Wire/Fuse or HACR Breaker Sizing Data − Two Speed Indoor Fan Motor (cont.)

UNIT

NOM.V-Ph-Hz

IFM

TYPE

NO C.O. or UNPWR C.O.

w/ PWRD C.O.

NO P.E.

w/ P.E. (pwrd fr/ unit)

NO P.E.

w/ P.E. (pwrd fr/ unit)

MCA

MAX FUSE

or HACR

BRKR

DISC. SIZE

MCA

MAX FUSE

or HACR

BRKR

DISC. SIZE

MCA

MAX FUSE

or HACR

BRKR

DISC. SIZE

MCA

MAX FUSE

or HACR

BRKR

DISC. SIZE

FLA

LRA

FLA

LRA

FLA

LRA

FLA

LRA

581J*12D

(2-stage cool)

208/230-3-60

STD

50/49

60/60

52/52

279

53/53

60/60

56/56

283

54/54

60/60

57/57

284

58/58

70/70

62/61

288

MED

53/52

60/60

56/55

329

57/56

70/60

60/59

333

58/57

70/70

62/60

334

62/61

70/70

66/65

338

HIGH

56/55

60/60

59/58

340

60/59

70/70

64/63

344

61/60

70/70

65/64

345

65/64

80/70

69/68

349

460-3-60

STD

134

136

138

MED

159

161

163

HIGH

164

166

168

575-3-60

STD

107

111

109

113

MED

116

120

118

122

HIGH

130

134

132

136

See “Legend and Notes for Tables 8 and 9” on page 36.

48HC

581J

Summary of Contents for 581J series

Page 1: ...ke Electrical Connections 17 Field Power Supply 17 Units with Factory Installed Non Fused Disconnect 18 Units without Factory Installed Non Fused Disconnect 19 All Units 19 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 21 Heat Anticipator Settin...

Page 2: ...lation 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 re...

Page 3: ...Stainless Steel Gas Heat Exchanger and Perfect Humidity Heat Level Standard Stainless Steel 072 72 000 125 125 000 150 150 000 180 180 000 224 224 000 250 250 000 Indoor Fan Options 1 Standard Static Option Belt Drive 2 Medium Static Option Belt Drive 3 High Static Option Belt Drive Cooling Tons 07 6 ton 08 7 5 ton 09 8 5 ton 11 10 ton 12 0 EER 12 10 ton 11 5 EER Packaging and 2 Speed Indoor Fan M...

Page 4: ...4 C160140 Fig 2 Unit Dimensional Drawing Sizes 07 09 581J ...

Page 5: ...5 C160141 Fig 2 Unit Dimensional Drawing Sizes 07 09 cont 581J ...

Page 6: ...6 C13300A Fig 3 Unit Dimensional Drawing Sizes 11 and 12 581J ...

Page 7: ...7 C13301A Fig 3 Unit Dimensional Drawing Sizes 11 and 12 cont 581J ...

Page 8: ...a 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 other that provides for the minimum clearances required for safety This includes the clearance to combustible surfaces unit per...

Page 9: ...ction arrangement Install field fabricated ductwork at unit duct openings Install outdoor air hood Install flue hood Install gas piping 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 installation plan Step 3 In...

Page 10: ...RRIER CORPORATION 1 DEC 2 DEC 3 DEC ANG MATERIAL AUTHORIZATION NUMBER TITLE 1029120 CURB ASY ROOF ENGINEERING MANUFACTURING ENGINEERING REQUIREMENTS SIZE DRAWING NUMBER REV T 005 Y 002 DRAFTER CHECKER D 50HJ405012 C WEIGHT MMC 12 16 09 SHEET 5 OF 5 SURFACE FINISH MFG PURCH MODEL INTERNAL USE ONLY NEXT DRAWING SCALE DISTRIBUTION PURCH N A NOTES 1 ROOFCURB ACCESSORY IS SHIPPED DISASSEMBLED 2 INSULAT...

Page 11: ... than the unit supply duct opening dimensions for the first 18 in 458 mm of duct length from the unit basepan Insulate and weatherproof all external ductwork joints and roof openings with counter flashing and mastic in accordance with applicable codes Ducts passing through unconditioned spaces must be insulated and covered with a vapor barrier If a plenum return is used on a vertical unit the retu...

Page 12: ...result in equipment damage All panels must be in place when rigging Unit is not designed for handling by fork truck when panels or packaging are removed CAUTION Flue vent discharge must have a minimum horizontal clearance of 4 ft 1220 mm from electric and gas meters gas regulators and gas relief equipment Minimum distance between unit and other electrically live parts is 48 inches 1220 mm Flue gas...

Page 13: ...d and Two Position Hood NOTE If the power exhaust accessory is to be installed on the unit the hood shipped with the unit will not be used and must be discarded Save the aluminum filter for use in the power exhaust hood assembly 1 The indoor coil access panel will be used as the top of the hood Remove the screws along the sides and bot tom of the indoor coil access panel See Fig 11 2 Swing out ind...

Page 14: ... input rating for altitudes above 2000 ft 610 m must be derated by 4 for each 1000 ft 305 m above sea level For natural gas applications gas pressure at unit gas connection must not be less than 4 in wg 996 Pa or greater than 13 in wg 3240 Pa while the unit is operating For liquified petroleum applications the gas pressure must not be less than 11 in wg 2740 Pa or greater than 13 in wg 3240 Pa at ...

Page 15: ...pan in the condenser section See Fig 16 LOW VOLTAGE CONDUIT CONNECTOR HIGH VOLTAGE CONDUIT CONNECTOR BRASS FITTING FOR 3 TO 6 TON UNITS C13410 Fig 16 Thru Base Connection Fittings The thru base gas connector has male and female threads The male threads protrude above the basepan of the unit the female threads protrude below the basepan Check tightness of connector lock nuts before connecting gas p...

Page 16: ...ions 4 Pressure test 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 g...

Page 17: ...he unit connection 3 4 in 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 consist of electrical wire con...

Page 18: ... result in personal injury death or property damage Do not connect aluminum wire between disconnect switch and air conditioning unit Use only copper wire See Fig 25 WARNING COPPER WIRE ONLY ELECTRIC DISCONNECT SWITCH ALUMINUM WIRE A93033 Fig 25 Disconnect Switch and Unit Units with Factory Installed Non Fused Disconnect The factory installed option non fused disconnect NFD switch is located in a w...

Page 19: ...inal on the primary side of the transformer Refer to unit label diagram for additional information Voltage to compressor terminals during operation must be within voltage range indicated on unit nameplate See Tables 8 and 9 On 3 phase units voltages between phases must be balanced within 2 and the current within 10 Use the formula shown in the legend for Tables 8 and 9 Note 3 see page 36 to determ...

Page 20: ...omer option If local codes permit the transformer primary leads can be connected at the line side terminals on the unit mounted non fused disconnect or HACR breaker switch this will provide service power to the unit when the unit disconnect switch or HACR switch is open Other connection methods will result in the convenience outlet circuit being de energized when the unit disconnect or HACR switch...

Page 21: ...ns included with the accessory Locate the thermostat accessory on a solid wall in the conditioned space to sense average temperature in accordance with the thermostat installation instructions If the thermostat contains a logic circuit requiring 24 v power use a thermostat cable or equivalent single leads of different colors with minimum of seven leads If the thermostat does not require a 24 v sou...

Page 22: ...istat control contact closes on rise in space RH above control setpoint or a combination thermostat humidistat control device with isolated contact set for dehumidification control The humidistat is normally used in applications where a temperature control is already provided such as a third party Building Management System To connect a field supplied humidistat 1 Route the humidistat 2 conductor ...

Page 23: ...ing Rc 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 Programable Thermostat Unit CTB THERMOSTAT Connection not required Perfect Humidity FIOP C12743 Fig 34 Typical Rooftop Unit with Perfect Humidity Dehumidification System with a Programmable Thermostat 581J ...

Page 24: ...r to Table 6 RTU Open Controller Inputs and Outputs for locations of all connections to the RTU Open controller 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 Humidistat 24 VAC 24 VAC Input _8 Enthalpy AO 1 ECON Gnd OAT Gnd SAT Input_5 SMK Input_4 R BO 5 Y1 BO 4 Y2 BO 3 W1 BO 2...

Page 25: ...25 C160113 Fig 36 Typical RTU Open Controller Wiring Diagram 581J ...

Page 26: ...26 C160114 Fig 37 Typical RTU Open Controller Wiring Diagram Wiring Diagram with Perfect Humidityt System 581J ...

Page 27: ... 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 Binary Output 6 LEGEND AI Analog Input AO Analog Output BI Binary Input BO Binary ...

Page 28: ...urn 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 S 33ZCT55SPT space temperature sensor with override button T 55 S 33ZCT56SPT space temperature sensor with override button and setpoint adjustment T 56 S 33ZCT59SPT space temperature sensor with LCD liquid crystal disp...

Page 29: ...ows fans or over heat sources Allow at least 3 ft 0 9 m between the sensor and any corner Avoid mounting the sensor where it is influenced by the supply air the sensor gives inaccurate readings if the supply air is blown directly onto the sensor or if the supply air does not have a chance to mix with the room air before it is drawn into the return airstream To controller 24 Vac Line Dedicated Tran...

Page 30: ...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 wires as follows secure the PNK BLK wires at pin 7 and the PNK wires at pin 8 and then reconnect the plug to the board at J11 Relative Humidity Sensors Space or Duct Mounted The accessory space humidity sensor 33ZCSENSRH 01 or duct humidity sensor 33...

Page 31: ...ters When installing this 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 35 and Figs 36 or 37 for wire terminations at J5 Fan Status The fan status accessory is a field installed accessory This accessory detects when...

Page 32: ...dress See Fig 50 and 51 for protocol switch settings and address switches The third party connection to the RTU Open controller is through plug J19 See Fig 52 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 third party wiring and networking SW3 Protocol Selection PROTOCOL DS8 DS7 DS6 ...

Page 33: ...es a USB Link Cable The link cable connects a USB port to the J12 local access port See Fig 53 RTU Open Controller 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 7 NOTE Refer to the RTU Open...

Page 34: ...halpy Control P N 33CSENTHSW The enthalpy 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 54 Locate the enthalpy control in the economizer next ...

Page 35: ...tor 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 56 for the as shipped location Completing Installation of Return Air Smoke Sensor 1 Unscrew the two screws holding the Return Air Smoke Detector assembly See Fig 57 Step 1 Save the screws 2 Turn the assembly 90 degrees...

Page 36: ...or either 208 or 230 volts 3 Unbalanced 3 Phase Supply Voltage Never operate a motor where a phase imbalance in supply voltage is greater than 2 Use the following formula to determine 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...

Page 37: ...19 25 19 83 MED 17 20 16 106 19 25 18 108 19 25 19 108 21 25 21 110 HIGH 19 25 19 114 21 25 21 116 21 25 21 116 23 30 23 118 575 3 60 STD 11 15 10 66 15 20 15 70 13 15 12 68 17 20 17 72 MED 12 15 12 81 16 20 16 85 14 20 14 83 18 20 18 87 HIGH 15 20 15 95 19 25 19 99 17 20 17 97 21 25 21 101 581J 08D 2 stage cool 208 230 3 60 STD 39 50 41 191 43 50 45 195 44 50 46 196 48 60 51 200 MED 41 41 50 50 4...

Page 38: ... 30 29 153 29 35 31 155 HIGH 26 30 28 152 28 30 30 154 28 30 30 154 30 35 32 156 575 3 60 STD 18 20 18 95 21 25 23 99 19 25 20 97 23 25 24 101 MED 18 20 19 106 22 25 23 110 20 25 21 108 24 25 25 112 HIGH 21 25 22 120 25 30 27 124 23 25 24 122 27 30 29 126 581J 12D 2 stage cool 208 230 3 60 STD 48 60 50 282 51 60 54 286 52 60 55 287 56 60 60 291 MED 53 60 56 338 57 70 60 342 58 70 61 343 62 70 66 3...

Page 39: ...25 23 102 23 25 25 104 HIGH 21 25 22 125 22 25 24 127 23 25 24 127 25 30 26 129 575 3 60 STD 14 15 14 79 18 20 19 83 16 20 16 81 19 25 21 85 MED 15 20 15 83 18 20 19 87 16 20 17 85 20 25 21 89 HIGH 16 20 16 92 19 25 21 96 17 20 18 94 21 25 23 98 581J 09D 2 stage cool 208 230 3 60 STD 40 40 50 50 42 41 195 44 44 50 50 46 46 199 45 45 50 50 47 47 200 49 48 60 60 52 51 204 MED 41 41 50 50 43 43 199 4...

Page 40: ... 283 54 54 60 60 57 57 284 58 58 70 70 62 61 288 MED 53 52 60 60 56 55 329 57 56 70 60 60 59 333 58 57 70 70 62 60 334 62 61 70 70 66 65 338 HIGH 56 55 60 60 59 58 340 60 59 70 70 64 63 344 61 60 70 70 65 64 345 65 64 80 70 69 68 349 460 3 60 STD 24 30 25 134 26 30 27 136 26 30 28 136 28 30 30 138 MED 26 30 27 159 28 30 29 161 28 30 29 161 30 35 32 163 HIGH 27 30 29 164 29 35 31 166 29 35 31 166 3...

Page 41: ...sories Available accessories include Roof Curb Thru base connection kit must be installed before unit is set on curb LP conversion kit Manual outside air damper High Altitude Gas kits Flue Discharge Deflector Flue Exhaust Heat Shield Low Ambient Controls Thermostat Sensors Two Position motorized outside air damper EconoMi er2 without control for external signal and integrated barometric relief Eco...

Page 42: ... Cooling Systems Edition Date 09 16 11 16A Printed in U S A Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No II581J 7 12 02 Replaces II581J 7 12 01 581J ...

Page 43: ... FOR LEAKS j CHECK THAT INDOOR AIR FILTERS ARE CLEAN AND IN PLACE j CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE j VERIFY THAT UNIT IS LEVEL j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND VERIFY SETSCREW IS TIGHT j VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED j VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION j VERIFY INSTALLAT...

Page 44: ... B DISCHARGE PRESSURE UNCHANGED j C LIQUID TEMPERATURE DROPS TO 50 TO 55_F RANGE j D LIQUID SOLENOID VALVE LSV ENERGIZED 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 COOLING LEVEL j D LIQUID SOLENOID VALVE LSV ENERGIZED VALVE CLOSES j...

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