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Manual 2100-642

Page

37 of 82

Model

Return Air

Temperature

Pressure

Air Temperature Entering Outdoor Coil, Degree °F

75

80

85

90

95

100

105

110

115

120

W48

75° DB

62° WB

Low Side

High Side

129
289

130
309

132
331

133
353

135
376

136
401

137
426

138
452

139
481

141
509

80° DB

67° WB

Low Side

High Side

138
296

139
317

141
339

142
362

144
386

145
411

146
437

148
464

149
493

151
522

85° DB

72° WB

Low Side

High Side

143
306

144
328

146
351

147
375

149
400

150
425

151
452

153
480

154
510

156
540

W60

75° DB

62° WB

Low Side

High Side

121
304

122
325

124
346

126
369

128
392

130
416

132
443

134
469

136
497

137
527

80° DB

67° WB

Low Side

High Side

129
312

131
333

133
355

135
378

137
402

139
427

141
454

143
481

145
510

147
540

85° DB

72° WB

Low Side

High Side

134
323

136
345

138
367

140
391

142
416

144
442

146
470

148
498

150
528

152
559

W72

75° DB

62° WB

Low Side

High Side

116
329

117
350

119
372

121
395

122
419

123
444

125
470

128
496

130
524

132
552

80° DB

67° WB

Low Side

High Side

124
337

125
359

127
382

129
405

131
430

132
455

134
482

137
509

139
537

141
566

85° DB

72° WB

Low Side

High Side

128
349

129
372

131
395

134
419

136
445

137
471

139
499

142
527

144
556

146
586

TABLE 2.1

Nominal Pressures: Models W48, W60, W72

The refrigerant sight glass installed in this unit is not a
charging indicator. Use only universally recommended
practices of charging: superheat, subcooling,and preferably,
weighing in the correct charge. The sight glass is for
moisture reference only.

FIGURE 2.1

Refrigerant Sight Glass

Low Side Pressure ±4 PSIG
High Side Pressure ±10PSIG

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Содержание W48A2PQ

Страница 1: ...LC5000 100 Controller is required for operation when multiple W 2PQ units are used INSTALLATION AND SERVICE INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 64...

Страница 2: ...Mount Unit Supply Wiring 15 Preliminary Start Up 18 Bard LinkTM Controller Installation 19 System Start Up 31 SECTION 2 Service Instructions 35 General Refrigerant Information 36 Sequence of Operation...

Страница 3: ...elief openings in the shelter Each of these units are fully charged with refrigerant and have auxilliary heat installed BARD LINKTM PLC CONTROLLER LC5000 100 controller and accessories included with c...

Страница 4: ...r use with or without duct work Flanges are provided for attaching the supply and return ducts These instructions explain the recommended method to install the air cooled self contained unit and the e...

Страница 5: ...alert against unsafe practices that can result in property damage only NOTICE this header is preferred to address practices not related to personal injury The safety alert symbol shall not be used wit...

Страница 6: ...Manual 2100 642 Page 6 of 82...

Страница 7: ...Manual 2100 642 Page 7 of 82 SECTION 1 INSTALLATION INSTRUCTIONS...

Страница 8: ...5 wire 18 gauge shielded cable with drain for remote temperature and humidity sensor CAT 6 Ethernet cable of field determined length for remote communication if applicable Miscellaneous electrical sup...

Страница 9: ...f condenser discharge air can be from either a single unit or multiple units Any object such as shrubbery a building or a large object can cause obstructions to the condenser discharge air Recirculati...

Страница 10: ...R HEATER ACCESS PANEL SIDE VIEW DRAIN DT K J C A I H D 2 13 7 Built In OPENING RETURN AIR OPENING SUPPLY AIR Brackets Mounting OPENING SUPPLY AIR Optional Entrances Electrical Side Wall BOTTOM INSTALL...

Страница 11: ...page 12 On wood frame walls the wall construction must be strong and rigid enough to carry the weight of the unit without transmitting any unit vibration Concrete block walls must be thoroughly inspe...

Страница 12: ...LE MATERIALS A B C D E 30 1 2 10 1 2 6 1 4 1 1 4 29 3 4 32 12 5 1 2 2 RETURN AIR OPENING 29 1 Right Side View NOTES SUPPLY AIR RAIN FLASHING IT IS RECOMMENDED THAT A BEAD OF SILICONE CAULKING BE PLACE...

Страница 13: ...ME WALL INSTALLATION OPENING WALL BEFORE MOUNT ON UNIT OPENING BEFORE INSTALLATION BOTTOM MOUNTING CONCRETE BLOCK WALL INSTALLATION BRACKET MOUNT ON OPENING WOOD OR STEEL SIDING OPENING INSTALLING UNI...

Страница 14: ...TO MATCH STUD SPACING FOR REST OF WALL A SECOND MEMBER MAY BE REQUIRED FOR SOME WALLS MIS 549 B ALL AROUND DUCT FIGURE 1 7 Common Wall Mounting Installations SUPPLY DUCT MAYBE LOCATED IN AN ATTIC OR...

Страница 15: ...attention to note 8 of Table 310 regarding Ampacity Adjustment Factors when more than three 3 current carrying conductors are in a raceway Maximum size of the time delay fuse or circuit breaker for pr...

Страница 16: ...ge tap is used FIGURE 1 8 Circuit Routing Label See Figure 1 9 to reference VAC landing points The disconnect access door on this unit may be locked to prevent unauthorized access to the disconnect To...

Страница 17: ...ect 575V voltage 2 Confirm correct wires are connected For 575V the gray 575 and black common transformer wires must be used Shelter supply breaker in ON position Bard system breaker in OFF position 5...

Страница 18: ...vation of one of the two existing older wall mount units while keeping the shelter cool with the other unit still operating Once the first of the two Bard wall mount units is installed Orphan Mode can...

Страница 19: ...CONTROLLER INSTALLATION FIGURE 1 11 Typical LC5000 Wiring PLC Board Smoke Alarm Jumper RJ11 Cable to Display Power Input 120V 230V 240V Transformer Ethernet Cable Connection Zone 1 2 3 Sensor Shielded...

Страница 20: ...holes for conduit connections are provided in both the base sides and top of the controller Electrical shock hazard Disconnect VAC power supplies before servicing Failure to do so could result in ele...

Страница 21: ...e remote indoor temperature humidity sensor is included with the controller This sensor must be installed for proper operation Use shielded cable to mount the temperature humidity sensor in a location...

Страница 22: ...e purchased and installed in Zones 2 and 3 one per zone For information on remote indoor sensor configuration see section on additional sensors beginning on page 46 10 4 3 2 29 1 6 7 8 9 11 12 1314 15...

Страница 23: ...00 PLC controller is shipped with smoke detector contacts There is a factory installed jumper across terminals 23 and 24 If there is no smoke detector no action is necessary If smoke detector alarm is...

Страница 24: ...e controller in the manner shown in Figure 1 15 The communication wire should be 2 wire 18 gauge shielded cable with drain Any color can be used Be sure to match and symbols on controller terminal blo...

Страница 25: ...filter at the intersection of the loop FIGURE 1 16 Communication Wiring Termination at the Controller 2 Connect one wire to terminal 27 negative the other wire to terminal 28 positive and the drain w...

Страница 26: ...nal block Make sure to match and symbols on controller terminal blocks 2 Connect the wires matching the terminal designations of the controller terminals Leave the drain wire loose 3 Connect another c...

Страница 27: ...ach EMI filter as shown FIGURE 1 18 Communication Wiring Termination at Additional Wall Mount Units 2 Connect the wires matching the terminal designations of the controller terminals Cap the loose dra...

Страница 28: ...y grounding from conduit Grounding posts are included with the controller for this purpose install as shown in Figure 1 20 Failing to ground the controller box properly could result in damage to the e...

Страница 29: ...mote Sensor Zone 2 11 GND Ground 12 B4 Indoor Remote Sensor Zone 3 13 GND Ground 14 B5 Remote Indoor Humidity Sensor 0 1 VDC Zone 3 15 GND Ground 16 VDC Power for B5 17 B6 Remote Indoor Humidity Senso...

Страница 30: ...ED RED BLK RED YELLOW YELLOW BLUE BLK BLK WHITE BLACK BLACK BLUE YELLOW TB 8 TB 10 TB 12 TB 14 TB 17 TB 20 TB 21 TB 16 27 28 PLAN RX TX PLAN RX TX BLACK BLACK TB 27 JMP TB Wire Mark Description 1 115...

Страница 31: ...Use the UP arrow key to change unit count to the number of units that will be connected to the LC controller see Figure 1 23 FIGURE 1 23 Total Units Displayed 3 Set Up and Configure Units Set up and c...

Страница 32: ...the value of a modifiable field ALARM KEY MENU KEY ESCAPE KEY DOWN KEY UP KEY ENTER KEY 9 Reattach communication wire connection plug to wall unit control board that was removed in Step 1 After first...

Страница 33: ...e wiring connections on the units showing as offline 4 Repeat Steps 1 3 to confirm unit online status and further diagnose connection issues if necessary 5 Run Test Units Using the TEC EYE a run test...

Страница 34: ...all the installation steps have been completed and system verification and run test results were satisfactory the installation can now be considered complete The Bard LinkTM PLC lead lag controller ha...

Страница 35: ...Manual 2100 642 Page 35 of 82 SECTION 2 SERVICE INSTRUCTIONS...

Страница 36: ...a guideline REMEMBER When adding R 410A refrigerant it must come out of the charging cylinder tank as a liquid to avoid any fractionation and to insure optimal system performance Refer to instruction...

Страница 37: ...2 139 427 141 454 143 481 145 510 147 540 85 DB 72 WB Low Side High Side 134 323 136 345 138 367 140 391 142 416 144 442 146 470 148 498 150 528 152 559 W72 75 DB 62 WB Low Side High Side 116 329 117...

Страница 38: ...mper Signal Modulates damper to achieve 55 F at supply air temperature sensor 2 24VAC from terminal N07 Blower Motor Start Relay If the outdoor conditions are conducive to free cooling but a 2nd stage...

Страница 39: ...sed by the freezestat the compressor will deactivate for 5 minutes or until the sensor sees 55 F whichever comes first FIGURE 2 2 Wall Mount Unit Control Board Dirty Filter Switch High Pressure Alarm...

Страница 40: ...power to hydrogen detector through terminals 3 and 4 The terminal block is fused internally see Componentry section 24VDC power to smoke detector through terminals 6 and 7 The terminal block is fused...

Страница 41: ...rmer Common for Smoke Detector Communication Wire Communication Wire LC 5000 Control Board Smoke Detector 24V to Outdoor Air Humidity Sensor Ground Remote Indoor Humidity Sensor Zone 2 Remote Indoor H...

Страница 42: ...r closed during normal operations Below 60 F Dewpoint Below 80 Relative Humidity Description Default Setpoint Temperature at local remote main sensor Temperature Setpoint 77 F Heating Setpoint 60 F Te...

Страница 43: ...l require no field set up However the default setpoints and their ranges are easily viewed and adjusted from the controller display The program and operating parameters are permanently stored on FLASH...

Страница 44: ...4 Pressing the ENTER key during the 1 hour period will deactivate COMFORT MODE Status Screen The STATUS screen is the default start up screen and also the return screen after 5 minutes of no activity...

Страница 45: ...to Service Settings menu press ENTER key 3 Press UP or DOWN arrow keys to get to Control Setting menu press ENTER key 4 Cursor will be flashing in upper left corner of screen Press ENTER key to scrol...

Страница 46: ...Enter an offset of 3 0 F to display the temperature correctly An offset of 9 9 F to 9 9 F can be entered Resetting Controller Model Serial Numbers 1 Go to Factory menu press ENTER key 2 Go to Factory...

Страница 47: ...as been covered in this manual is not recommended CAUTION 4 Go to Analog Inputs press ENTER key 5 To enable Zone 2 and Zone 3 temperature sensors move cursor to desired zone by pressing the ENTER key...

Страница 48: ...ily viewed and adjusted from the TEC EYE display The program and operating parameters are permanently stored on FLASH MEMORY in case of power failure The controller is designed to manage temperature l...

Страница 49: ...R key to access that menu Press the ESCAPE key or MENU key to return to the STATUS screen from the Main Menu Status Screen The STATUS screen is the default start up screen and also the return screen a...

Страница 50: ...ing Run Test Identifying a Unit Address 1 Go to On Off Unit menu 2 Screen will display individual address of wall mount unit Manual Override Outputs Blower 1 Go to Technician menu press ENTER key 2 Go...

Страница 51: ...ition to ON and press ENTER key 6 Verify heater ON status 7 Repeat Steps 1 6 to enable Stage 2 heat Before enabling Stage 2 heater make sure the Stage 2 heater option is enabled under Unit Set Up The...

Страница 52: ...lay on make for initial start up or anytime power is interrupted for a minum 2 minutes plus 10 of the red dial setting There is no delay during routine operation of the unit The compressor control mod...

Страница 53: ...34545 68 0 12492 106 0 5094 7 0 107010 31 0 33574 69 0 12183 107 0 4982 6 0 103574 32 0 32634 70 0 11883 108 0 4873 5 0 100260 33 0 31723 71 0 11591 109 0 4767 4 0 97064 34 0 30840 72 0 11307 110 0 4...

Страница 54: ...d MODEL RATED ESP MAX ESP FREE COOLING RATED FULL LOAD COOLING CFM ELECTRIC HEAT AIRFLOW W48A W48L 0 20 0 50 1800 1800 1800 W60A W60L 0 20 0 50 1800 1800 1800 W72A W72L 0 20 0 50 1800 1800 1800 FIGURE...

Страница 55: ...NAL BLOCK FILTER SWITCH TOGGLE BRACKET GROUND PLC CONTROLLER BLOCK TOGGLE SENSOR TERMINAL L1 25 AMP CABLE WIRE SHEILD TERMINAL EVAP TEMP CABLE DUCT TRANSFORMER BLOCK BASE MONITIOR PHASE MODULE ASSEMBL...

Страница 56: ...applicable 115 L3 Low Ambient Control opt L2 122 L3 Treminal T3 119 Compressor T2 Contactor L1 119 Y Outdoor Fan Capacitor T1 L2 L3 Red L1 L2 L1 Red 50 hz only Low 100 Red Yout C Phase Monitor Outdoo...

Страница 57: ...dditional wall mount units 1 Disable system from LC controller see Advanced Programming section 2 Turn off AC breakers at wall mount units 3 Check inlet sides of condenser and evaporator coils for obs...

Страница 58: ...r if the PLC controller board is defective Check if the connection is ok Reconnect the cable If the controller board is defective replace it High Temperature Alarm Alarm is reset automatically Occurs...

Страница 59: ...ne 2 remote indoor temperature humidity sensor wiring Replace the Zone 2 remote indoor temperature humidity sensor Zone 3 Remote Indoor Temperature Sensor Failed Alarm B004 The alarm is activated if t...

Страница 60: ...has failed The condenser fan speed controller has failed Check the condenser fan status while the high pressure is outside the normal setting Replace the condenser fan Replace the condenser low ambien...

Страница 61: ...ensor is faulty a sensor wire is loose or an out of range value is read Check the outdoor temperature sensor wiring Check temperature vs resistance of temperature sensor see Table 2 5 on page 52 Repla...

Страница 62: ...Manual 2100 642 Page 62 of 82...

Страница 63: ...Manual 2100 642 Page 63 of 82 SECTION 3 APPENDIX...

Страница 64: ...egrees Current outdoor air humidity for unit address displayed Blower On Off Current blower status for unit address displayed Damper Open Current damper status for unit address displayed 17 28 Last ho...

Страница 65: ...int ZONE 1 HEAT 52 75 60 Heating setpoint ZONE 2 COOL 65 90 77 Cooling setpoint ZONE 2 HEAT 52 75 60 Heating setpoint ZONE 3 COOL 65 90 77 Cooling setpoint ZONE 3 HEAT 52 75 60 Heating setpoint Setpoi...

Страница 66: ...Zone Temp 1 Current value if applicable Remote Zone Temp 1 Current value if applicable Remote Zone Temp 2 Current value if applicable Remote Zone Temp 3 Current value if applicable Indoor Humidity Zon...

Страница 67: ...rs COMPRESSOR STAGE 1 Run Hours 000H Displays number of run hours Number Starts 00000 Displays number of unit starts COMPRESSOR STAGE 2 Run Hours 000H Displays number of run hours Number Starts 00000...

Страница 68: ...one 1 Enable On Off On Type Normal Hi Res Normal Ohm x 5 4 20ma Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 0 10VDC Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 0 1V...

Страница 69: ...to 3276 8 Offset 99 9 to 99 9 SPKP0087TO Offset 99 9 to 99 9 nu10 Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 10T170 Offset 99 9 to 99 9 50T90 Offset 99 9 to 99 9 NTCHT Offset 99 9...

Страница 70: ...3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 0 10VDC Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 0 1VDC Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 PT1000 Offse...

Страница 71: ...9 9 Max 9999 9 to 9999 9 Offset 99 9 to 99 9 Current Value Out of Range Alarm Will show if input out of range Power Delay 0 999 seconds 5 seconds Power up delay Run Delay 0 999 seconds 5 seconds Units...

Страница 72: ...45 Band 1 999 20 Modulating Setup Humidifier Zone 2 Setpoint 1 999 45 Band 1 999 20 Modulating Setup Humidifier Zone 3 Setpoint 1 999 45 Band 1 999 20 Setpoint FREECOOL Enthalpy Dry Bulb None Enthalp...

Страница 73: ...1 Heat UP DIFFERENTIAL 99 9 to 99 9 deg 2 DOWN DIFFERENTIAL 99 9 to 99 9 deg 2 DELAY UP 0 to 9999 sec 110 DELAY DOWN 0 to 9999 sec 60 SETPOINT 60 Control Dead Band Zone 2 Cool UP DIFFERENTIAL 99 9 to...

Страница 74: ...N 999 9 to 999 9 Value entered to command point Value Current I O Value Remote Sensor 1 MANUAL CONTROL On Off Off MANUAL POSITION 999 9 to 999 9 Value entered to command point Value Current I O Value...

Страница 75: ...Yes Duration 0 999 sec 30 Voltage 0 10 V 2 5 CONTROL DEADBAND ZONE 1 COOL Direction Direct Reverse Direct Stages 0 99 4 Up Differential 99 9 to 99 9 2 Down Differential 99 9 to 99 9 2 Delay Up 0 999...

Страница 76: ...irection Direct Reverse Direct Stages 0 99 2 Up Differential 99 9 to 99 9 2 Down Differential 99 9 to 99 9 2 Delay Up 0 999 sec 60 Delay Down 0 999 sec 60 Setpoint 77 CONTROL DEADBAND ZONE 3 HEAT Dire...

Страница 77: ...Setpoint 0 99 55 Differential 0 9 9 5 Above Setpoint Delay 0 999 sec 120 Below Setpoint Delay 0 999 sec 180 MODULATING SETUP HUMIDIFIER ZONE 1 Cntrl DIR REV BOTH P PID P I Rev P Band 0 999 9 20 DeadB...

Страница 78: ...IT ON OFF By Digit Input On Off Off By Supervisor On Off Off By pLan Network On Off Off By Schedule On Off Off CONFIGURATION UNIT CONTROL Custom 1 On Off Off Custom 2 On Off Off Custom 3 On Off Off Cu...

Страница 79: ...HM x 1 Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 OHM x 5 Min 3276 8 to 3276 7 0 Max 3276 8 to 3276 8 100 Offset 99 9 to 99 9 0 nu13 Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset...

Страница 80: ...its Temp Other Pressure Temp Remote Zone 1 Same as Zone Temp 1 above Remote Zone 2 Same as Zone Temp 1 above Remote Zone 3 Same as Zone Temp 1 above Humidity Zone 1 Enable On Off On Type Normal Hi Res...

Страница 81: ...fset 99 9 to 99 9 0 nu13 Min 3276 8 to 3276 7 Max 3276 8 to 3276 8 Offset 99 9 to 99 9 nu12 Min Max 3276 8 to 3276 7 Offset 3276 8 to 3276 8 SPKP0087T0 99 9 to 99 9 Offset nu10 99 9 to 99 9 Min Max 32...

Страница 82: ...above Humidity Zone 3 Same as Humidity Zone 1 above Digital Inputs Smoke Detector Enable On Off Action Open Closed Delay 0 999 sec Relay Outputs Not configurable Analog outputs Not configurable FACTOR...

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