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Manual 2100-671

Page

43 of 44

Index

Description

Circuit 2 EEV Motor Error

Circuit 2 Self Tuning Error

Circuit 2 Emergency Close

Circuit 2 High Delta Temperature

Circuit 2 High Delta Pressure

Circuit 2 Range Error

Circuit 2 Service Position Percent

Circuit 2 Valve ID

Th-Tune Device Offline

Th-Tune Temperature Probe Alarm

Th-Tune Humidity Probe Alarm

Th-Tune Clock Board Alarm

c.pCOe Offline

Offline EBM Blower 1

98
99

Offline EBM Blower 2

100
101

Offline EBM Fan 1

102
103

Offline EBM Fan 2

104
105

Circuit 1 Low Return Air Temperature Alarm

106

Circuit 2 Low Return Air Temperature Alarm

107

Panel Switch

Содержание MEGA-TEC W120AP

Страница 1: ...pany Inc Bryan Ohio 43506 www bardhvac com Manual 2100 671 Supersedes NEW Date 12 17 18 SERVICE INSTRUCTIONS MEGA TECTM WALL MOUNT AIR CONDITIONER Model W120AP NOTE LC6000 controller is required for o...

Страница 2: ...6 Evaporator Freeze Condition Alarm 16 EEV Operation 17 EEV Superheat Control 17 Additional EEV Alarms 17 Low Superheat Alarm 17 Indoor Airflow 17 Indoor Airflow Components 17 Blower 17 Blower Status...

Страница 3: ...ressure Suction Pressure Transducer 16 Figure 20 Adjusting Suction Temperature Sensor Values 16 Figure 21 Adjusting Evaporator Freeze Sensor Values 17 Figure 22 Putting Blower Output into Override Mod...

Страница 4: ...ications for information on codes and standards Sizing of systems for proposed installation should be based on heat loss and heat gain calculations made according to methods of Air Conditioning Contra...

Страница 5: ...s 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 Indicate s a...

Страница 6: ...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 con...

Страница 7: ...1 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 Message Descr...

Страница 8: ...heating setpoints will be replaced with the communicated cooling and heating setpoints If at any time the wall mount unit s loses communication with the LC6000 controller the wall mount unit s will go...

Страница 9: ...00 B Adv Sys Config B1 B4 Technician 1313 C I O Config Technician 1313 D On Off User 2000 E Alarm Logs User 1313 F Settings Date Time Technician 1313 Language User 2000 Serial Ports Technician 1313 Pa...

Страница 10: ...nter TECHNICIAN password 1313 3 Press UP or DOWN keys to scroll to Sys Config press ENTER key 4 Press UP or DOWN keys to scroll to Run Test A9 screen 5 Press ENTER key to scroll to Enable parameter se...

Страница 11: ...m condition may also be enunciated by an audible alarm signal An alarm is acknowledged by pressing the ALARM key This calls up alarm display screen s that provide a text message detailing the alarm co...

Страница 12: ...ss UP or DOWN keys to adjust the offset 9 The update will not take effect until the cursor is moved out of the Offset parameter 10 Once adjusted press the ESCAPE key several times to return to Main Me...

Страница 13: ...first of the Bard wall mount units is installed and powered on it will operate in orphan mode keeping the climate inside the shelter stable and the installers comfortable while the remainder of the o...

Страница 14: ...Press MENU key to go to the Main Menu screen 2 Press UP or DOWN keys and ENTER key to enter TECHNICIAN password 1313 3 Press UP or DOWN keys to scroll to I O Config press ENTER key 4 Press UP or DOWN...

Страница 15: ...Pressure Transducer The unit has pressure transducers installed on the suction line between the evaporator coil and compressor one on refrigerant circuit 1 and one on refrigerant circuit 2 The transdu...

Страница 16: ...nsor 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 Freeze Condition...

Страница 17: ...will clear itself when the condition is no longer present This alarm cannot be adjusted Indoor Airflow Indoor Airflow Components Blower The unit is equipped with a blower that is driven by an electro...

Страница 18: ...with a differential pressure switch to indicate when the filter s needs to be replaced see Figure 23 The dirty filter switch measures the pressure difference across the filter through silicone tubing...

Страница 19: ...omatically switch to the required speed for each mode High sensible mode and dehumidification mode are both communicated separately from the LC For more information on the high sensible command from L...

Страница 20: ...CAPE key several times to return to Main Menu screen FIGURE 26 Enabling Fan Override FIGURE 27 Adjusting Discharge Liquid Transducer Pressure Values FIGURE 28 Voltage to Pressure Discharge Liquid Pres...

Страница 21: ...eration if the sensor is not enabled or failed When the liquid pressure transducer is not enabled or considered failed by the controller a nominal speed of 74 will be used during a compressor call Com...

Страница 22: ...If the switch closes it will then restart the compressor after the delay on break setting has expired on the device If the switch trips again during the same Y call the compressor will be de energized...

Страница 23: ...ith slower transfer switches the time delay between the utility power and generator power didn t cause a problem The units lost power shut off and came back on line normally With the introduction of a...

Страница 24: ...mper 2 is powered by a 90 in lb actuator All dampers are spring return and will close the damper if power is lost To verify the output from the controller to the actuator 1 Press MENU key to go to the...

Страница 25: ...r press UP or DOWN keys to change 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...

Страница 26: ...n damper switch Damper Failed to Open Alarm When the controller commands the economizer damper actuator to a position other than 0 and the damper switch indicates the damper is not open after a delay...

Страница 27: ...er when the mode is set to temperature and humidity or enthalpy This alarm is fixed and cannot be adjusted Mixed Air Temperature Sensor The unit is equipped with a mixed air temperature sensor to moni...

Страница 28: ...value and scroll to the next parameter NOTE The following parameters are for the temperature consideration for economizer use Applies to Dry Bulb TempHum and Enthalpy type 8 The cursor should now be...

Страница 29: ...test revision of LC6000 Service Instructions 2100 669 In addition to dehum mode the economizer may be disabled for 5 minutes adjustable if the dust sensor indicates the outdoor air may cause particula...

Страница 30: ...acceptable 41 0 to 303 0 range an alarm will be generated indicating the sensor has failed This alarm is fixed and cannot be adjusted Emergency Cooling Mode If the shelter temperature is above the hig...

Страница 31: ...n a call for heat This call can be generated by the LC or the wall mount unit operating in orphan mode FIGURE 46 Adjusting Return Air Alarm Settings Unit Disable Option The unit is equipped with an in...

Страница 32: ...in the serial model number 6 Press UP or DOWN keys to change value of the digit 7 Continue Steps 5 and 6 until the serial model number s are correct and reflect the number on the product label For mor...

Страница 33: ...isposable P MERV8 2 Pleated N MERV13 2 Pleated COLOR AND CABINET FINISH 1 White Baked Enamel Finish OUTLET X Future Use COIL AND UNIT COATING OPTIONS X Copper Aluminum Evaporator Coil Copper Aluminum...

Страница 34: ...avoid 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 410...

Страница 35: ...146 147 67 WB High Side 320 343 366 389 413 438 463 488 514 540 567 85 DB Low Side 139 140 141 142 143 144 146 147 149 151 152 72 WB High Side 331 355 379 403 427 453 479 505 532 559 587 W120AP Stage...

Страница 36: ...are not recycling the air to one another Adjust supply louvers if necessary to direct discharge air away from any direct route to the return grille 9 Re assemble wall mount unit remembering to fasten...

Страница 37: ...Manual 2100 671 Page 37 of 44 TROUBLESHOOTING 8301 089 Outdoor Temperature Humidity Sensor FIGURE 50 8301 089 Sensor DIP Switches and Terminal Block...

Страница 38: ...3 466 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 18...

Страница 39: ...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...

Страница 40: ...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...

Страница 41: ...1 Page 41 of 44 8301 057 Blower Status Switch Dirty Filter Switch FIGURE 51 8301 057 Air Differential Switch Terminals Terminals 1 Normally Closed 2 Normally Open 3 Common NOTE Contact position is in...

Страница 42: ...Circuit 1 Suction Pressure Sensor Alarm 35 Circuit 2 Suction Pressure Sensor Alarm 36 Circuit 1 Low Pressure 37 Circuit 2 Low Pressure 38 Circuit 1 High Pressure 39 Circuit 2 High Pressure 40 Circuit...

Страница 43: ...Error 90 Circuit 2 Service Position Percent 91 Circuit 2 Valve ID 92 Th Tune Device Offline 93 Th Tune Temperature Probe Alarm 94 Th Tune Humidity Probe Alarm 95 Th Tune Clock Board Alarm 96 c pCOe O...

Страница 44: ...inal High Sensible Enhanced Latent Free Cooling 57 N A N A Cooling Stage 1 42 48 5 32 6 Cooling Stage 2 57 63 43 8 Cooling Stage 3 57 63 43 8 Heating Stage 1 57 N A N A Heating Stage 2 57 N A N A Emer...

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