Bard MEGA-TEC W090A Service Instructions Manual Download Page 45

Page: 45 / 159

Manual 2100-671C

Page

43 of 59

TROUBLESHOOTING

FIGURE 56

Sensors and Peripheral Devices

DUST SENSOR

ST2 SUCTION

TEMP SENSOR

CONTROL BOARD

DOOR SWITCH

HPT2

HIGH

PRESSURE

TRANSDUCER

LLT2

LIQUID LINE

TEMPERATURE SENSOR

BLADE SWITCH

LPT1

LOW

PRESSURE

TRANSDUCER

FREEZE SENSOR

FS2 FREEZE SENSOR

FREEZE SENSOR

DIRTY FILTER SWITCH

BLADE SWITCH

DUST SENSOR

HPS1

HIGH PRESSURE SWITCH

OUTDOOR

ENTHALPY

SENSOR

HPT1

HIGH

PRESSURE

TRANSDUCER

ST1 SUCTION

TEMP SENSOR

LLT1 LIQUID TEMP SENSOR

DOOR SWITCH

LH EVAPORATOR COIL

RH EVAPORATOR COIL

FS1 FREEZE SENSOR

BLADE SWITCH

MAT MIXED AIR SENSOR

LPT2

LOW PRESSURE

TRANSDUCER

HPS1

HIGH PRESSURE SWITCH

CIRCUIT 1

SERVICE PORTS

CIRCUIT 2

SERVICE PORTS

BLOWER STATUS SWITCH

Summary of Contents for MEGA-TEC W090A

Page 1: ...Literature Assembly 911 0769 Contains the following 2100 671 C Mega Tec PKG A C Manual 2100 034 F User s Guide 2100 705 B Mega Tec A C Install Instructions 2100 479 Leak Test Evacuation Charging...

Page 2: ......

Page 3: ...1 of 59 Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 671C Supersedes 2100 671B Date 1 21 20 SERVICE INSTRUCTIONS MEGA TEC Wall Mount Air Conditioner Models W090A W120A...

Page 4: ...tatus Alarm 19 Filters 19 Dirty Filter Switch 19 Dirty Filter Alarm 20 Filter Indicator Light 20 Indoor Airflow Operation 20 Blower Speed Control 20 High Sensible Operation 20 Balanced ClimateTM Opera...

Page 5: ...age to Pressure Discharge Liquid Pressure Transducer 22 Figure 31 Adjusting Discharge Liquid Temperature Input 23 Figure 32 8201 164 Compressor Control Module 24 Figure 33 Adjusting Compressor Delays...

Page 6: ...tioning system should be carefully read before beginning the installation Note particularly any tags and or labels attached to the equipment While these instructions are intended as a general recommen...

Page 7: ...ANGER is to be limited to the most extreme situations DANGER signs should not be used for property damage hazards unless personal injury risk appropriate to these levels is also involved WARNING Indic...

Page 8: ...t setpoints and their ranges are easily 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 TEC EYE co...

Page 9: ...on page 8 for wall mount unit status messages The Quick Menu is accessible from the main Status screen Setpoints Information and Alarm Log are available through the Quick Menu Pressing the UP or DOWN...

Page 10: ...shown when the unit is operating the electric heaters to warm the space Optimized This message will be shown when the unit is operating both the economizer and the air conditioning simultaneously to...

Page 11: ...ooling for each circuit Suction temperature and pressure are also measured to provide a calculated superheat for each circuit Using both circuit 1 and circuit 2 the MEGA TEC unit can provide 35 80 and...

Page 12: ...w when the alarm cleared See page 12 for information on clearing alarms Product Software Name MULTI TEC MTS1000 FUSION TEC WR WTS1000 MEGA TEC MGS1000 LC6000 LCS6000 TABLE 2 Software Versioning Guide...

Page 13: ...equired A Open economizer damper Damper Time 120s B Close economizer Damper Damper Time 120s C Turn on compressor Heat Cool Time 60s D Enable second stage Heat Cool Time 60s E Enable third stage Heat...

Page 14: ...activate a red LED indicator that backlights the ALARM function key An alarm is acknowledged by pressing the ALARM key This calls up alarm display screen s that provide a text message detailing the al...

Page 15: ...2 6 Press UP or DOWN keys to change to the desired value 1 2 or 3 7 Press ENTER key to save value Temperature Control Temperature Control Components Return Air Temperature Sensor The unit is equipped...

Page 16: ...e the wall mount unit s loses communication with the LC6000 controller the wall mount unit s will go into orphan mode and operate using the last communicated setpoints To change default setpoints refe...

Page 17: ...menu override To manually override the valve NOTE The unit must be off to perform this override 1 Press MENU key to go to the Main Menu screen 2 Press UP or DOWN keys and ENTER key to enter TECHNICIAN...

Page 18: ...see Figure 6 A C Circuit Measurements on page 9 FIGURE 18 Electronic Expansion Valve EEV and Service Tool EEV Service Tool EEV Stator Coil EEV Suction Pressure Transducer The unit has pressure transdu...

Page 19: ...mperature sensor value is out of range 41 0 to 303 0 F the controller will generate a sensor failure alarm to indicate the sensor is not working properly This alarm cannot be adjusted Evaporator Freez...

Page 20: ...Evaporator Freeze Sensor Values FIGURE 23 Putting Blower Output into Override Mode TABLE 5 Rated Airflow Nominal Rated CFM Nominal Rated ESP High Low W090A 3000 2100 0 25 W120A 4000 2800 0 30 W150A 46...

Page 21: ...outed to the blower and evaporator areas of the unit The switch circuit consists of a normally open filter pressure switch The switch will open when the pressure differential goes above the setting in...

Page 22: ...the nominal speeds for each cooling stage the controller has the option to enable high sensible operation or Balanced ClimateTM operation see Table 8 High Sensible Operation In high sensible operation...

Page 23: ...h a condenser fan that is driven by an electronically commutated motor ECM This fan is controlled by a 0 100 command using modbus serial communication The fan operates between 100 1200 rpm To enable f...

Page 24: ...ress ENTER key 5 Press UP or DOWN keys to scroll to Condenser Fan 1 see Figure 28 6 Press ENTER key to scroll to the Fan Overrides 7 Press UP or DOWN keys to change the value from No to Go The overrid...

Page 25: ...n will speed up or slow down to attempt to maintain a discharge pressure setpoint Because the control is dependent on the discharge pressure sensor the controller will alter its operation if the senso...

Page 26: ...ke Timer Short Cycle Protection Delay on Break Test Mode High Pressure Detection Brownout Protection with Adjustment The LPC terminals are jumpered in this application Instead the low pressure transdu...

Page 27: ...ration it only indicates that a brownout condition was present at some point during the cooling call If a brownout condition is detected CC will be de energized and will retry after the delay on make...

Page 28: ...ompressor Operation The compressor will be enabled when the unit in orphan mode or LC provide a cooling stage 1 call The compressor call from the controller has several delays that may affect the star...

Page 29: ...e the value from On to Off 11 Press ENTER key to save Dust Sensor Failure Alarm When the sensor reads a value that is outside of the acceptable 0 to 100 range an alarm will be generated indicating the...

Page 30: ...3 Press UP or DOWN keys to scroll to I O Config press ENTER key 4 Press UP or DOWN keys to scroll to Digital Inputs press ENTER key 5 Press UP or DOWN keys to scroll to Digital Ins 2 2 6 Reference th...

Page 31: ...ffset press ENTER key to scroll to Offset 8 Press UP or DOWN keys to change to the desired value 9 Press ENTER key to save the value Outdoor Temperature Sensor Failure Alarm When the sensor reads a va...

Page 32: ...mpHum where the outdoor temperature and humidity are considered for economizer use on a free cooling call The fourth mode is Enthalpy where the outdoor temperature humidity and calculated dew point ar...

Page 33: ...key to save the value and scroll to Dew Pt Set 27 Press UP or DOWN keys to adjust the outdoor dew point setpoint for economizer operation to the desired value 28 Press ENTER key to save the value and...

Page 34: ...UP or DOWN keys to change to the desired value Miscellaneous Components Supply Temperature Sensor The unit is equipped with a supply air temperature sensor to monitor the leaving air temperature of t...

Page 35: ...tages The heating elements are located downstream of the evaporator coils and can be accessed through the upper control panel door Thermal Overload The heater assembly has a thermal overload wired in...

Page 36: ...ture from the space and turn on the electric heat to extend the run time of the cooling cycle while mitigating the cooling done by the compressor If when the return temperature falls to 2 above heatin...

Page 37: ...password 1313 3 Press UP or DOWN keys to scroll to I O Config press ENTER key 4 Press UP or DOWN keys to scroll to Digital Inputs press ENTER key 5 Press UP or DOWN keys to scroll to Digital Ins 1 2 6...

Page 38: ...Press MENU key to go to the Main Menu screen 2 Press UP or DOWN keys and ENTER key to enter ENGINEER password 9254 3 Press UP or DOWN keys to scroll to Adv Sys Config press ENTER key 4 Press UP or DOW...

Page 39: ...V 415 380 50 3 KW 0Z O kW with Circuit Breaker 09 9 kW with Circuit Breaker 18 18 kW with Circuit Breaker VENT B No Vent E Economizer DB and WB FILTER M MERV11 Disposable P MERV8 2 Pleated N MERV13 2...

Page 40: ...any fractionation and to insure optimal system performance Refer to instructions for the cylinder that is being utilized for proper method of liquid extraction Safety Practices 1 Never mix R 410A wit...

Page 41: ...75 375 381 391 407 427 452 483 518 80 DB Low Side 144 144 144 145 145 146 147 148 150 152 154 67 WB High Side 399 389 385 385 391 401 417 438 464 495 531 85 DB Low Side 149 149 149 150 150 151 152 153...

Page 42: ...35 137 137 62 WB High Side 312 334 357 379 403 427 451 476 501 527 553 80 DB Low Side 134 135 136 137 138 139 141 142 144 146 147 67 WB High Side 320 343 366 389 413 438 463 488 514 540 567 85 DB Low...

Page 43: ...31 132 133 62 WB High Side 442 430 423 423 428 439 456 478 507 541 581 80 DB Low Side 133 133 134 134 135 136 137 138 140 141 143 67 WB High Side 453 441 434 433 439 450 467 491 520 555 596 85 DB Low...

Page 44: ...vers if necessary to direct discharge air away from any direct route to the return grille 9 Re assemble wall mount unit remembering to fasten fan to mounting brackets Turn breakers back on 10 Enable s...

Page 45: ...SDUCER FREEZE SENSOR FS2 FREEZE SENSOR FREEZE SENSOR DIRTY FILTER SWITCH BLADE SWITCH DUST SENSOR HPS1 HIGH PRESSURE SWITCH OUTDOOR ENTHALPY SENSOR HPT1 HIGH PRESSURE TRANSDUCER ST1 SUCTION TEMP SENSO...

Page 46: ...Manual 2100 671C Page 44 of 59 FIGURE 57 Supply and Return Air Sensors Supply Air Sensor Return Air Sensor Rear View...

Page 47: ...door Temperature Humidity Sensor FIGURE 58 8301 089 Sensor DIP Switches and Terminal Block Unit temperature humidity sensor located on upper right side of unit Remove cover by turning counter clockwis...

Page 48: ...23 466 62 42 5 6 22 886 87 43 6 1 22 323 22 44 6 7 21 775 16 45 7 2 21 242 23 46 7 8 20 723 96 47 8 3 20 219 91 48 8 9 19 729 65 49 9 4 19 252 76 50 10 0 18 788 84 Temperature Resistance F C 51 10 6 1...

Page 49: ...8 16 480 mA 79 16 640 mA 80 16 800 mA 81 16 960 mA 82 17 120 mA 83 17 280 mA 84 17 440 mA 85 17 600 mA 86 17 760 mA 87 17 920 mA 88 18 080 mA 89 18 240 mA 90 18 400 mA 91 18 560 mA 92 18 720 mA 93 18...

Page 50: ...0 126219 26 0 38757 64 0 13820 102 0 5570 11 0 122089 27 0 37652 65 0 13474 103 0 5446 10 0 118108 28 0 36583 66 0 13137 104 0 5326 9 0 114272 29 0 35548 67 0 12810 105 0 5208 8 0 110575 30 0 34545 6...

Page 51: ...Switch Dirty Filter Switch FIGURE 59 8301 057 Air Differential Switch Terminals 1 Normally Closed 2 Normally Open 3 Common NOTE Contact position is in resting state P2 P1 Connect hose to P2 Hoses need...

Page 52: ...ion 15 Circuit 2 Supply Air Temperature Sensor Alarm See Indoor Airflow section 16 Circuit 2 High Supply Air Temperature Alarm See Indoor Airflow section 17 Circuit 2 Low Supply Air Temperature Alarm...

Page 53: ...ondition See Electronic Expansion Valve EEV section 51 Circuit 2 Freeze Condition See Electronic Expansion Valve EEV section 52 Circuit 1 Blower Fail Alarm See Indoor Airflow section 53 Circuit 2 Blow...

Page 54: ...nsion Valve EEV section 86 Circuit 2 Emergency Close See Electronic Expansion Valve EEV section 87 Circuit 2 High Delta Temperature See Electronic Expansion Valve EEV section 88 Circuit 2 High Delta P...

Page 55: ...nto the upper field bus connection FieldBus 1 on the PLC board see Figure 62 FIGURE 60 Disconnect Condenser Fan Communication Wires FIGURE 61 Unplug Modbus from Expansion Module FIGURE 62 Verify Modbu...

Page 56: ...i Yes Verify blower is still online and proceed to Step 6 a If blower is not online at this point double check wiring and or return to Step 1 ii No Replace condenser fan 6 Plug in expansion module C P...

Page 57: ...set and polarity verified the expansion module C PCOe will need to be replaced To verify the expansion module C PCOe is faulty the communication wires should be isolated from the blower and condenser...

Page 58: ...ONDENSER AIR CONDENSER AIR FRESH AIR SUPPLY AIR RETURN AIR CONDENSER EXHAUST CONDENSER AIR AIR CONDENSER FRESH AIR FRESH AIR AIR CONDENSER AIR CONDENSER FRESH AIR RETURN AIR SUPPLY AIR EXHAUST CONDENS...

Page 59: ...Manual 2100 671C Page 57 of 59 I O Layout...

Page 60: ...Manual 2100 671C Page 58 of 59...

Page 61: ...Manual 2100 671C Page 59 of 59...

Page 62: ......

Page 63: ...ring Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 705B Supersedes 2100 705A Date 1 21 20 INSTALLATION INSTRUCTIONS LC6000 200 Supervisory Controller Bard Air Conditioning System MEGA TEC...

Page 64: ...000 Controller Circuit Install 29 Figure 27 Controller Grounding Posts 29 Figure 28 WIRING LC6000 200 Wiring Diagram 31 Figure 29 TEC EYE Connection to Unit Control 32 Figure 30 TEC EYE Display and In...

Page 65: ...e used together Controller LC6000 controller and accessories shown below 1 One remote temperature humidity sensor is included with the LC6000 controller If the site in which the LC6000 controller will...

Page 66: ...des in any way Authorities having jurisdiction should be consulted before the installation is made See Additional Publications for information on codes and standards Sizing of systems for proposed ins...

Page 67: ...word DANGER is to be limited to the most extreme situations DANGER signs should not be used for property damage hazards unless personal injury risk appropriate to these levels is also involved WARNIN...

Page 68: ...lded cable for temperature only sensors Communication wire 2 wire 18 gauge shielded with drain 18 gauge non shielded wire for connecting emergency off emergency vent and or generator relays if applica...

Page 69: ...ure 2 Additional clearance may be required to meet local or national codes Care should be taken to ensure that the recirculation and obstruction of condenser discharge air does not occur Recirculation...

Page 70: ...ustible Materials Model Supply Air Duct 1st 3 Cabinet All Models 1 4 0 37 18 Optional steel platform adds 3 3 4 hight to vertical MIS 3945 B Filter Access Panel Hood for ECON Heater Access Panel Contr...

Page 71: ...onomizer models mount hoods after unit is installed so as to not block unit flange holes 6 Secure optional rain flashing to wall and caulk across entire length of top see Figure 5 7 For additional mou...

Page 72: ...PENING SUPPLY AIR WALL STRUCTURE MATERIALS AIR DUCT IS REQUIRED Right Side View RAIN FLASHING CAULKING ALONG SEAL WITH BEAD OF 0 250 CLEARANCE ON ALL FOUR SIDES OF SUPPLY IT IS RECOMMENDED THAT A BEAD...

Page 73: ...ons WOOD FRAME WALL INSTALLATION SUPPLY AIR OPENING RETURN AIR OPENING WOOD OR STEEL SIDING DUCT RETURN AIR OPENING SUPPLY AIR WALL STRUCTURE SUPPLY AIR CONCRETE BLOCK WALL INSTALLATION RETURN AIR OPE...

Page 74: ...R STRUCTURAL STEEL OVER FRAME EXTERIOR FINISH WALL PLATE OF WALL ATTACH TO TOP REQUIRED FOR SOME WALLS SECOND MEMBER MAY BE PLATE OF WALL ATTACH TO BOTTOM SPACING FOR REST OF WALL INTERIOR FINISHED WA...

Page 75: ...E FLOOR SURFACE RETURN AT UNIT RAIN FLASHING OUTSIDE WALL FREE AIR FLOW SUPPLY AIR SLEEVE SUPPLY AIR RAFTERS DUCTED SUPPLY SLEEVE DUCT OUTSIDE WALL RAIN FLASHING NO DUCT AIR GRILLE WALL SLEEVE FINISHE...

Page 76: ...VAC landing points Route wires into unit through recommended side entrances see Figure 11 on page 16 Optional rear entry points are also available see Figure 12 on page 16 NOTE Field wires enter at bo...

Page 77: ...090APC0Z C09 C18 460 60 3 1 1 1 26 26 26 40 40 40 8 8 8 10 10 10 W120APB0Z B09 B18 230 208 60 3 1 or 2 1 or 2 1 or 2 56 56 59 70 70 70 6 6 6 8 8 8 32 32 32 25 28 28 40 40 40 40 40 40 8 8 8 8 8 8 10 10...

Page 78: ...FIGURE 11 Side Communication and Power Wire Entrances Recommended Route communication wiring and power supply wiring in their own separate conduits They must not be run together Use 2 wire 18 gauge s...

Page 79: ...ON 6 Press ESCAPE key several times to return to Main Menu screen To verify or change the wall mount unit cooling and heating setpoints in orphan mode 1 Connect the TEC EYE diagnostic tool to the con...

Page 80: ...pical LC6000 200 Component Location Transformer RJ11 Cable to Display Four Fused Power Supply Terminals Terminal Block Emergency Off Alarm Jumper Emergency Vent Alarm Jumper Generator Run Alarm Jumper...

Page 81: ...shock hazard Disconnect VAC power supplies before servicing Failure to do so could result in electric shock or death WARNING IMPORTANT When working with circuit board components Bard recommends the us...

Page 82: ...13 18 19 and 22 2 Connect the other end of the shielded cable to the sensor terminals Be sure wires are connected to proper terminals as shown in table above Sensor jumpers need to be positioned for 0...

Page 83: ...re Sensors beginning on page 35 Zone 1 Optional Remote Temperature Sensor Terminals 20 21 The two wire connections for the optional remote temperature sensor are not polarity sensitive TB Wire Mark De...

Page 84: ...w the manufacturer s mounting instructions Use 18 gauge 5 conductor shielded cable to connect to controller FIGURE 18 Remote Outdoor Temperature Humidity Sensor Installation 1 Connect wires from the 1...

Page 85: ...and 7 emergency off 8 and 9 emergency ventilation and 10 and 11 generator run Remove the factory installed jumpers before making the connections FIGURE 19 LC6000 200 Series Connection for Emergency Of...

Page 86: ...ing in same conduit as supply wiring Route communication wiring and power supply wiring in their own separate conduits LC6000 Controller Wall Mount Unit Wall Mount Unit FIGURE 20 Communication Wiring...

Page 87: ...atter how many units there are the two end devices will only have ONE communication cable whereas the center devices will all have TWO as shown above Maximum two wires in each terminal Filters go insi...

Page 88: ...ive and the drain wire to ground terminal 60 The steps outlined on the following pages show how to connect the communication wiring using the daisy chain method shown in Figure 20 If using the alterna...

Page 89: ...olarity sensitive Two wire communication from control board is prewired to terminal block Make sure to match and symbols on the Field Wiring label above the terminal block 2 Connect the wires matching...

Page 90: ...tape 3 Continue daisy chaining units by connecting to to and wire nutting drain together until last unit which is capped with a wire nut Attach EMI filter as shown above at last unit Up to 14 wall mo...

Page 91: ...must be field supplied Install as shown in Figure 27 Failing to ground the controller box properly could result in damage to the equipment FIGURE 27 Controller Grounding Posts A reliable earth ground...

Page 92: ...Humidifier 2 35 C1 Common 36 NO3 Humidifier 3 37 C1 Common 38 NO4 Emergency Off Alarm TB Wire Mark Description 39 C2 Common 40 NO5 Emergency Vent Alarm 41 C2 Common 42 NO6 Generator Run Alarm 43 C2 Co...

Page 93: ...B 52 TB 54 NO7 BLUE BLK NO8 BLUE BLK NO9 BLUE BLK NO10 BLUE BLK NO11 BLUE BLK NO12 BLUE BLK 1 RX TX C7 BLACK C8 BLACK 2 RX TX 1 RX TX 2 RX TX GREEN TB 28 B8 RED SMK JUMPER HYD JUMPER GEN JUMPER ORANGE...

Page 94: ...er User 2000 Technician 1313 Engineer 9254 Use UP or DOWN keys and ENTER key to enter password TABLE 4 LC6000 TEC EYE Passwords Defaults TEC EYE Hand Held Diagnostic Tool The microprocessor control us...

Page 95: ...ess MENU key to access the Main Menu screen TEC EYE Status Screen The Status screen is the default start up screen and also the return screen after 5 minutes of no activity The screen can be accessed...

Page 96: ...third stage Heat Cool Time 60s F Turn all cooling off G Turn on electric heat Heat Cool Time 60s H Turn on electric heat stage 2 Heat Cool Time 60s I Turn off all heating 8 Electric Heat Stage 1 9 El...

Page 97: ...ne combination temperature and humidity sensor Additional combination sensors may be purchased or alternatively temperature only sensors may be purchased instead The LC is capable of supporting up to...

Page 98: ...Z1 Indoor Temp C7 5 Press ENTER key to scroll to Enable see Figure 39 6 Press UP or DOWN key to change value to ON to enable sensor or change value to OFF to disable sensor 5 Press ENTER key to scroll...

Page 99: ...value to ON to enable sensor or change value to OFF to disable sensor To enable disable Outdoor Air Humidity 1 Press MENU key to go to the Main Menu screen 2 Use UP or DOWN keys and ENTER key to enter...

Page 100: ...CAPE key to view the Status screen May need to be pressed more than once 2 Press UP or DOWN key until the Quick Menu in the lower right corner of the screen displays the Information icon press ENTER k...

Page 101: ...larms during startup and should be cleared after installation Controller alarm logs must be cleared at time of installation To clear the LC controller alarm logs 1 Press MENU key to go to the Main Men...

Page 102: ...ngineer 9254 Alarm Export User 2000 G Logout Used to log out of the current password level Entering back into the menu requires password Setpoints The LC6000 setpoints will determine the cooling and h...

Page 103: ...Heating This message will be shown when the unit is operating the electric heaters to warm the space Optimized This message will be shown when the unit is operating both the economizer and the air co...

Page 104: ...ff by BMS The LC6000 is being turned off by the Building Management System through Modbus TCP IP Off by Keyboard The LC6000 is turned off using the D On Off Menu on the PGD All communicating units wil...

Page 105: ...cts the position of the DP1 DP2 jumpers Depending on how the sensor is installed be sure to confirm that the jumpers are in the proper position for the 0 1 V setting as shown in the figures below This...

Page 106: ...1 of 11 Manual No 2100 479 Supersedes NEW File Volume I Tab 1 Date 03 08 07 SERVICING PROCEDURE R 410A LEAK TEST EVACUATION CHARGING Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving a...

Page 107: ...tioning Heat Pump Cooling 9 Low Suction Low Head Pressure 9 High Suction Low Head Pressure 9 Low Suction High Head Pressure 9 High Suction High Head Pressure 9 Heat Pump Heating 9 Low Suction Low Head...

Page 108: ...tion of the system The valving on the manifold is so arranged that when the valves are closed front seated the center port on the manifold is closed to the gauges and gauge ports With the valves in th...

Page 109: ...Relieve all pressure from the system down to 0 psig 5 Change the dryer When leaks if any have been repaired system is ready to be evacuated and charged Relieve all pressure from the system down to 0 p...

Page 110: ...serial plate for the full operating charge PRELIMINARY CHARGING STEPS If the system has been open to the atmosphere the dryer should be replaced and then evacuated Then proceed as follows 1 Attach a d...

Page 111: ...Manual 2100 479 Page 6 of 11 FIGURE 1 TYPICAL AIR CONDITIONING SYSTEM COOLING CYCLE MIS 369...

Page 112: ...Manual 2100 479 Page 7 of 11 FIGURE 2 TYPICAL HEAT PUMP SYSTEM COOLING CYCLE MIS 368...

Page 113: ...ed refrigerant flow it may be necessary to place refrigerant drum in a pan of warm water not greater than 130 F Remember to either consider the total weight of the pan of water or remove the drum for...

Page 114: ...ing device etc 6 Low charge 7 Low ambient entering air temperature Low entering water temperature to water coil HIGH SUCTION LOW HEAD PRESSURE 1 Defective or broken valves 2 IPRV valve open 3 Defectiv...

Page 115: ...r o s s e r p m o c m e t s y s e b u t p a c e r u t a r e p m e t e c a p S h g i h o o t Power Failure Blown Fuses or Tripped Circuit Breakers Faulty Wiring Loose Terminals Low Voltage Single 1PH...

Page 116: ...l n o p u d l i u b e c I l i o c D O f o g n i d o o l f t n a r e g i r f e r d i u q i L r o s s e r p m o c o t k c a b D I n o t a e h y r a i l i x u A f f o r e w o l b s t s o c g n i t a r e...

Page 117: ...911 0769 Contains the following 2110 1451 D Replacement Parts Manual 2100 710 A Multi Tec Quick Start Guide 7960 825 Exporting Alarm Logs 7960 826 Exporting 7 Day I O Logs 7960 788 Commissioning Repor...

Page 118: ......

Page 119: ...A TEC Wall Mount Air Conditioner Models Description Page Electric Heat Components Exploded View 20 Usage List 21 Usage List 22 Usage List 23 Intake Damper Assembly Exploded View 24 Usage List 25 Exhau...

Page 120: ...Manual 2110 1451D Page 2 of 28 CABINET COMPONENTS SEXP 897 18 25 28 9 14 2 11 31 36 22 23 13 33 21 16 25 17 7 20 1 35 8 25 24 29 27 32 19 10 34 4 26 12 3 6 5 15 30...

Page 121: ...n Non Economizer X X X X X X 20 118 123 Side Grille 2 2 2 2 2 2 21 21 537 908 8 135X391 RH Internal Deflector Economizer RH Internal Deflector Non Economizer X X X X X X 22 22 137X906 121 581 RH Conde...

Page 122: ...Manual 2110 1451D Page 4 of 28 ECONOMIZER INTAKE HOODS 7 2 4 5 6 8 3 1 4 SEXP 899...

Page 123: ...er of the unit for which cabinet parts are being ordered ECONOMIZER INTAKE HOODS W090A E W120A E W150A E Dwg No Part Number Description 1 101 1039 Left Side X X X 2 107 380 Econ Hood Top X X X 3 7003...

Page 124: ...Manual 2110 1451D Page 6 of 28 SYSTEM COMPONENTS SEXP 898 A 2 15 6 10 14 5 8 13 11 3 7 9 10 1 4 12 16 11...

Page 125: ...5E TF5 130 2 Stage Compressor ZPS60K5E TFD 130 2 Stage Compressor ZPS60K5E TFE 130 2 Stage Compressor ZPS67KCE TF5 250 2 Stage Compressor ZPS67KCE TFD 250 2 Stage Compressor ZPS67KCE TFE 130 X X X X X...

Page 126: ...Manual 2110 1451D Page 8 of 28 FAN SYSTEM COMPONENTS 2 5 3 7 2 2 8 4 1 7 9 2 10 5 6 6 9 7 6 12 6 7 11 SEXP 904 7...

Page 127: ...et X X X X X X X X X X X X X X X 5 113 735 Wheel Retention Rail 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 6 1171 035 Plastic Wheel 3 Diameter 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 7 1012 353 Cotter Pin 6 6 6 6 6 6 6 6 6...

Page 128: ...Manual 2110 1451D Page 10 of 28 SENSORS AND PERIPHERAL DEVICES 7 2 12 10 8 4 4 3 10 12 1 9 7 5 6 11 13 SEXP 905...

Page 129: ...sor X X X NS 8612 061 Dust Sensor Board X X X 7 8406 142 High Pressure Switch 2 2 2 2 2 2 8 8406 156 Door Switch 2 2 2 2 2 2 9 8611 199 Dirty Filter Light X X X X X X 10 8406 157 High Pressure Transdu...

Page 130: ...39 30 38 32 215 36 20 19 22 23 1 26 21 13 259 47 27 44 43 29 3 24 45 48 16 43 14 44 20 46 51 SEXP 992 A 2 49 15 35 17 9 PLC BOARD ASSEMBLY 10 3 5 5 13 8 42 7 6 6 12 8 35 4 11 14 14 52 41 1 2 3 4 217 3...

Page 131: ...LC Board X X X 14 8611 226 Terminal Block Kit for C PCOE X X X 15 8611 240 35MM DIN Rail 3 X X X 16 8607 070 Power Terminal Block X X 17 8615 086 Circuit Breaker 60A 3 Pole X X X 19 8401 037 Contactor...

Page 132: ...t Bus Bar 3 Pole X X X X X 16 8615 088 Jumper Bar Main Lugs 3 3 3 3 3 17 17 8615 084 8615 086 Circuit Breaker 40A 3 Pole Circuit Breaker 60A 3 Pole 2 2 X 2 2 19 8401 037 Contactor 3 Pole 30 Amp 2 2 2...

Page 133: ...14 8611 226 Terminal Block Kit for C PCOE X X X 15 8611 240 35MM DIN Rail 3 X X X 16 8607 070 Power Terminal Block X X 17 8615 085 Circuit Breaker 50A 3 Pole X X X 19 8401 037 Contactor 3 Pole 30 Amp...

Page 134: ...B SEXP 921 17 257 2 10 5 35 13 6 PLC BOARD ASSEMBLY 11 12 8 4 42 7 6 5 8 9 3 14 14 52 36 20 19 1 3 21 16 20 14 24 26 23 44 43 2 27 43 22 13 44 29 51 41 1 2 217 3 4 35 216 11 30 35 31 50 34 41 25 33 3...

Page 135: ...r Teminal Block 3 Pole X X X X X X X X X 17 8615 067 460V 40A Toggle Disconnect X X X X X X X X X 19 8401 037 Contactor 3 Pole 30 Amp 2 2 2 2 2 2 2 2 2 20 8401 041 Contactor 40 Amp 3 Pole 1 2 1 2 1 2...

Page 136: ...gle Disconnect 460V 60A Toggle Disconnect X X X X X X X X X X X X X 19 8401 037 Contactor 3 Pole 30 Amp 2 2 2 2 2 2 2 2 2 2 2 2 2 20 8401 041 Contactor 40 Amp 3 Pole 1 2 1 2 1 2 2 2 2 2 21 8201 126 3...

Page 137: ...k 3 Pole X X X X X X X X X 17 8615 067 460V 40A Toggle Disconnect X X X X X X X X X 19 8401 037 Contactor 3 Pole 30 Amp 2 2 2 2 2 2 2 2 2 20 8401 041 Contactor 40 Amp 3 Pole 1 2 1 2 1 2 21 8201 126 3...

Page 138: ...Manual 2110 1451D Page 20 of 28 ELECTRIC HEAT COMPONENTS SEXP 906 3 3 6 4 7 2 2 4 3 1 2 3 2 1 5 This drawing to be used for reference for pages 21 and 22...

Page 139: ...151 8604 152 8604 153 Heater Element 3KW 208 240V 2 Term Heater Element 3KW 460V 2 Term Heater Element 3 KW 575V 2 Term 3 6 3 6 3 6 3 6 3 6 5 5 5 8402 190 8402 192 8402 198 Limit Control Limit Contro...

Page 140: ...4 2 2 4 4 4 4 4 8604 151 8604 152 8604 153 Heater Element 3KW 208 240V 2 Term Heater Element 3KW 460V 2 Term Heater Element 3 KW 575V 2 Term 3 3 6 6 3 3 6 6 3 3 6 6 3 3 6 6 3 3 6 6 5 5 5 8402 190 840...

Page 141: ...8604 153 Heater Element 3KW 208 240V 2 Term Heater Element 3KW 460V 2 Term Heater Element 3 KW 575V 2 Term 3 6 3 6 3 6 3 6 3 6 5 5 5 8402 190 8402 192 8402 198 Limit Control Limit Control Limit Contro...

Page 142: ...Manual 2110 1451D Page 24 of 28 INTAKE DAMPER ASSEMBLY SEXP 900 12 17 7 10 13 3 3 6 5 11 4 3 14 8 9 1 15 2 16 18 17...

Page 143: ...8 141 486 Damper Blade Support 2 9 8602 042 1 4 X 6 Rod 2 10 139 396 Damper Blade 2 11 8602 008 Ball Joint 2 12 1012 174 1 4 20 x 3 1 4 Bolt 4 13 8602 078 Crank Arm 2 14 14 14 910 2082 910 2083 8602...

Page 144: ...Manual 2110 1451D Page 26 of 28 EXHAUST DAMPER ASSEMBLY 13 17 6 12 16 14 9 5 18 11 4 1 7 2 SEXP 901 7 8 3 1 18 10 15...

Page 145: ...et 2 8 141 485 Actuator Mounting Plate X 9 8602 093 Actuator 2 10V 88 IN LB X 10 8602 100 Terminal Strip Cover X 11 1012 174 1 4 20 x 3 1 4 Bolt 3 12 8602 008 Ball Joint X 13 139 399 Actuator Arm 2 14...

Page 146: ...8614 063 Junction Box w Hinged Cover X X X 2 113 774 Transformer Bracket X X X 3 8407 003 Stepdown Transformer 480 240V 1 5 kVA 2 2 2 4 8614 062 3 Pole Fuse Holder X X X 5 8614 046 5 Amp Class CC Fuse...

Page 147: ...logged due to testing Unit alarm logs must be cleared at time of installation To clear the wall mount unit alarm logs 1 Press MENU key to go to the Main Menu screen 2 Use UP DOWN ENTER keys to enter p...

Page 148: ...Press ESCAPE key to view the Status screen May need to be pressed more than once 2 Press UP DOWN key until the Quick Menu in the lower right corner of the screen displays the Information icon press EN...

Page 149: ......

Page 150: ...export an alarm log 1 Press MENU key to go to the Main Menu screen 2 Use UP or DOWN keys and ENTER key to enter USER password 1313 3 Press UP or DOWN keys to scroll to Settings press ENTER key 4 Pres...

Page 151: ...this happens remove USB connection press ESCAPE key and redo Step 8 11 Connect one end of USB cable to the short USB adapter cable on LC6000 200 control board see Figure 3 Connect other end of USB cab...

Page 152: ...s To export an alarm log 1 Press MENU key to go to the Main Menu screen 2 Use UP or DOWN keys and ENTER key to enter USER password 1313 3 Press UP or DOWN keys to scroll to Settings press ENTER key 4...

Page 153: ...this happens remove USB connection press ESCAPE key and redo Step 8 11 Connect one end of USB cable to the short USB adapter cable on LC6000 200 control board see Figure 3 Connect other end of USB ca...

Page 154: ...ories including supply and return louvers Are they free of damage Model and Serial Numbers of HVAC units Unit Model Number Serial Number 1 2 3 4 Model and Serial Number of Controller Model Number Seri...

Page 155: ...economizer compressor condenser fan electric heat is operational High Pressure psi measurement from TEC EYE service tool Low Pressure psi measurement from TEC EYE service tool Measure Voltage at unit...

Page 156: ...Record indoor humidity displayed on the controller Power Supply Voltage at unit controller measured with Multimeter Controller Software Version Final Jobsite review Verify the following Yes No Are all...

Page 157: ......

Page 158: ...ting environment is exposed to airborne saline particles typically 5 miles from coast line must have corrosion protection or warrenty claims will be declined on corrosion based cabinet and part failur...

Page 159: ...rts Must be registered at www wallmountwarranty com within 90 days of installation for the 10 year parts coverage to be in effect Factory coated coils have a 5 year warranty in corrosive environments...

Search results

Summary of Contents for MEGA-TEC W090A

Reviews:

Related manuals for MEGA-TEC W090A

Brands by name

Popular brands

Bard MEGA-TEC W090A, Service Instructions Manual

Search results

Summary of Contents for MEGA-TEC W090A

Reviews:

Related manuals for MEGA-TEC W090A

Brands by name

Popular brands