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Bard Manufacturing Company, Inc.

Bryan, Ohio 43506

www.bardhvac.com

Manual: 2100-670I
Supersedes: 2100-670H
Date: 9-26-18

NOTE: LV1000 Controller is required for operation when

multiple HR**AP* units are used.

SERVICE INSTRUCTIONS

FUSION-TEC

WALL-MOUNT

AIR CONDITIONER

Models:

Part of the Bard Free Cooling System

HR36APA HR36APB
HR58APA HR58APB

Содержание FUSION-TEC HR Series

Страница 1: ...com Manual 2100 670I Supersedes 2100 670H Date 9 26 18 NOTE LV1000 Controller is required for operation when multiple HR AP units are used SERVICE INSTRUCTIONS FUSION TEC WALL MOUNT AIR CONDITIONER Mo...

Страница 2: ...8 Indoor Airflow Components 18 Blower 18 Blower Status Switch 19 Blower Status Alarm 20 Filters 20 Dirty Filter Switch 20 Dirty Filter Alarm 20 Filter Indicator Light 20 Freezestat 20 Indoor Airflow O...

Страница 3: ...sducer 17 Figure 27 Adjusting Suction Temperature Sensor Values 17 Figure 28 Adjusting Freeze Setpoint and Alarm Delay 18 Figure 29 Putting Blower Output into Override Mode 18 Figure 30 Dirty Filter S...

Страница 4: ...e the installation is made See Additional Publications for information on codes and standards Sizing of systems for proposed installation should be based on heat loss and heat gain calculations made a...

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: ...ewed 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 connects to the wall mount unit control boar...

Страница 7: ...rrent date time return air temperature RAT mixed air temperature MAT supply air temperature SAT outdoor air temperature OAT outdoor air humidity OAH and outdoor dew point ODP conditions Blower Message...

Страница 8: ...is displayed FIGURE 3 Quick Menu Icons Alarm Log Information Setpoints NOTE Screenshots shown in this manual reflect default settings when applicable Quick Menu Setpoints From this screen the local u...

Страница 9: ...and electronic expansion valve position FIGURE 7 A C Circuit Measurements Last 24 Hour Operation Last 24 Hour Operation information tracks the runtimes Time and start calls Start of different componen...

Страница 10: ...t is currently taking place and the Task the technician should be completing to verify operation FIGURE 11 Executing Run Test FIGURE 12 Run Test Summary Addressing Wall Mount Units Each unit must have...

Страница 11: ...tage of cooling Heat Stage Time Amount of time in seconds allowed for heating stage Reset to Factory Defaults To reset to factory default settings 1 Press MENU key to go to the Main Menu screen 2 Use...

Страница 12: ...igate to the screen at the end of the alarm list shown in Figure 16 and press and hold the ALARM key for 3 seconds OPERATION FIGURE 16 Clearing All Alarms Clearing Alarm Logs and Counters To clear the...

Страница 13: ...on screen is accurate see Figure 18 6 If the measurement needs to be adjusted apply an offset value by pressing ENTER to scroll to Offset 7 Press UP or DOWN keys to adjust the offset 8 The update will...

Страница 14: ...10 120 Compressor Stage 2 FIGURE 20 Cooling w No Economizer Compressor Stage 1 10 20 30 40 50 60 70 80 90 100 10 0 110 120 Compressor Stage 2 Off Deadband On Deadband sometimes called a neutral zone o...

Страница 15: ...e the latest revision of LV1000 Service Instructions 2100 673 for adjustment of the dehumidification setpoint and differentials FIGURE 23 Overriding EEV Output Electronic Expansion Valve EEV EEV Compo...

Страница 16: ...t and Subcooling on EEV 1 Circuit Suction Pressure Transducer The unit has a pressure transducer installed on the suction line between the evaporator coil and compressor The transducer is used for sys...

Страница 17: ...ey to scroll to Setpoint see Figure 28 on page 18 6 Press UP or DOWN keys to change to the desired value 7 Press ENTER key to save the value scroll to Delay 8 Press UP or DOWN keys to change to the de...

Страница 18: ...valve will close Low superheat protection will be active once the superheat value is at or below 5 F At this point the control will aggressively close the valve so that superheat is maintained Additi...

Страница 19: ...ith SGR 5W Supply Grille and RGR 5W Return Grille Model Static Pressure A0Z A05 00 00 B0Z B06 00 00 Mode Speed Percentage Controller Output Volts CFM Freezestat Active 80 0 8 0 v 2260 High Sensible Fu...

Страница 20: ...erent percentages of filter blockage Dirty Filter Alarm The wall mount unit is equipped with a differential pressure switch input to the controller see Figure 30 When the switch indicates a dirty filt...

Страница 21: ...h Static Setting 0 30 0 35 0 40 0 45 0 50 0 65 0 70 0 90 Evaporator Airflow 100 99 8 99 98 5 96 8 89 9 84 82 2 All units tested equipped with MERV 8 filters Appropriate supply SG and return RG grilles...

Страница 22: ...has a pressure transducer installed on the liquid line between the condenser and electronic expansion valve EEV The transducer is used for system monitoring of the liquid side system pressures This i...

Страница 23: ...s ESCAPE key several times to return to Main Menu screen FIGURE 37 Voltage to Pressure Discharge Liquid Pressure Transducer Troubleshooting the Discharge Liquid Pressure Transducer 0 650 psig 0 5vdc 4...

Страница 24: ...s than the pressure cutout it will resume stage 2 operation Low Ambient Control At low ambient outdoor air temperatures the fan motor will cycle as a means of controlling the system s head pressure to...

Страница 25: ...he durability of the compressor However reverse operation for over 1 hour may have a negative impact on the bearing due to oil pump out NOTE If compressor is allowed to run in reverse rotation for an...

Страница 26: ...in test mode for at least 5 minutes Brownout Protection with Adjustment Brownout protection may be necessary if the utility power or generator power has inadequate power to prevent the voltage from d...

Страница 27: ...ase Monitor Used only on three phase equipment the phase monitor is a compressor protection device that will prohibit operation of the compressor if the device senses a possible reverse rotation situa...

Страница 28: ...larm When the suction pressure transducer indicates a pressure value less than the low pressure alarm setpoint of 40 PSIG and there is an active call for cooling the controller will disable the compre...

Страница 29: ...low through the filters the unit will restrict the use of the economizer The FIGURE 45 Dust Sensor controller has adjustable software setpoints default to 80 to indicate dust levels are too high and t...

Страница 30: ...ecting open circuit on damper switch FIGURE 47 Damper Switch Damper Failed to Close Alarm When the controller commands the economizer damper actuator to the 0 position and the damper switch indicates...

Страница 31: ...ndition will disable the economizer This alarm is fixed and cannot be adjusted Outdoor Humidity Sensor Failure Alarm When the sensor reads a value that is outside of the acceptable 0 to 100 RH range a...

Страница 32: ...e low supply air temperature alarm 1 Press MENU key to go to the Main Menu screen 2 Press UP or DOWN keys and ENTER key to enter USER password 2000 3 Press UP or DOWN keys to scroll to System Config p...

Страница 33: ...21 Press UP or DOWN keys to adjust the outdoor dew point setpoint for economizer operation to the desired value 22 Press ENTER key to save the value and scroll to On Diff 23 Press UP or DOWN keys to a...

Страница 34: ...id model number entries will be accepted by the PLC To update model serial numbers 1 Press MENU key to go to the Main Menu screen 2 Press UP or DOWN keys and ENTER key to enter ENGINEER password 9254...

Страница 35: ...ates a smoke event the system will be shut down The alarm will automatically clear when the alarm condition is no longer present Inverter Option The inverter is only used in applications where a gener...

Страница 36: ...ple Yellow 40 ohms Red White 40 ohms Red Green 40 ohms White Green 80 ohms Blue Yellow 83 ohms 24VAC Hot 24VAC Common Smoke Detector Dirty Filter Switch Compressor Alarm Relay Micro USB Damper Blade S...

Страница 37: ...Thermistor B5 Outdoor Humidity Sensor Analog Output B6 Dust Sensor Board Analog Output 0 5VDC B7 Suction Temperature Sensor Analog Output 10K Ohm Curve J GND Analog Ground VDC 24VDC to Outdoor Humidi...

Страница 38: ...Finish 5 Desert Brown Baked Enamel Finish 8 Dark Bronze Baked Enamel Finish PLACEHOLDER X Future Use COIL AND UNIT COATING OPTIONS X Copper Aluminum Evaporator Coil Copper Aluminum Condenser Coil 1 C...

Страница 39: ...must come out of the charging cylinder tank as a liquid to avoid any fractionation and to insure optimal system performance Refer to instructions for the cylinder that is being utilized for proper met...

Страница 40: ...129 318 130 340 131 365 132 389 133 414 134 440 136 467 137 495 137 527 139 553 140 584 80 67 Low Side High Side 138 326 139 349 140 374 141 399 142 425 143 451 145 479 146 508 147 537 149 567 150 59...

Страница 41: ...an individual unit to be disconnected from the Bard Guard security system for an extended period of service time longer than the maximum 250 minutes disarm time place a jumper across the appropriate t...

Страница 42: ...Manual 2100 670I Page 42 of 47 TROUBLESHOOTING 8301 067 Outdoor Temperature Humidity Sensor FIGURE 58 8301 067 Sensor DIP Switches and Terminal Block...

Страница 43: ...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...

Страница 44: ...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 45: ...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 68 0 12492 106 0 5094 7 0...

Страница 46: ...6501 37 6260 38 6028 39 5806 40 5594 41 5390 42 5195 43 5007 44 4828 45 4656 46 4490 47 4332 48 4180 49 4034 50 3893 51 3759 52 3629 53 3505 54 3386 55 3271 56 3160 57 3054 58 2952 59 2854 60 2760 61...

Страница 47: ...Manual 2100 670I Page 47 of 47 8301 057 Blower Status Switch Dirty Filter Switch FIGURE 59 8301 057 Air Differential Switch Terminals Terminals 1 Normally Open 2 Normally Closed 3 Common...

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