Bard MULTI-TEC W18AAPA Installation And Service Instructions Manual

Bard MULTI-TEC W18AAPA Installation And Service Instructions Manual

Table of Contents

Advertisement

Quick Links

INSTALLATION AND
SERVICE INSTRUCTIONS
WALL-MOUNT PACKAGE
W18AAPA
W24AAPA
W24AAPB
W24AAPC
W30AAPA
W30AAPB
W30AAPC
Part of the Bard Free Cooling Unit System
NOTE: LC6000 Controller is required for operation when multiple W***AP
units are used.
MULTI-TEC
AIR CONDITIONER
Models:
W36AAPA
W48AAPA
W36AAPB
W48AAPB
W36AAPC
W48AAPC
W42AAPA
W60AAPA
W42AAPB
W60AAPB
W42AAPC
W60AAPC
W72AAPA
W72AAPB
W72AAPC
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
®
W18LAPA
W48LAPA
W24LAPA
W48LAPB
W24LAPB
W48LAPC
W30LAPA
W60LAPA
W30LAPB
W60LAPB
W30LAPC
W60LAPC
W36LAPA
W72LAPA
W36LAPB
W72LAPB
W36LAPC
W72LAPC
W42LAPA
W42LAPB
W42LAPC
Manual :
Supersedes:
Date:
2100-665A
2100-665
2-16-17
Page
1 of 51

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MULTI-TEC W18AAPA and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Bard MULTI-TEC W18AAPA

  • Page 1 W36LAPB W72LAPB W72AAPC W36LAPC W72LAPC W42LAPA W42LAPB W42LAPC Part of the Bard Free Cooling Unit System NOTE: LC6000 Controller is required for operation when multiple W***AP units are used. Bard Manufacturing Company, Inc. Manual : 2100-665A Bryan, Ohio 43506 Supersedes: 2100-665 www.bardhvac.com...
  • Page 2: Table Of Contents

    CONTENTS SECTION 1: Installation Instructions ......................5 List of Necessary Materials/Tools .........................6 Site Preparation ..............................7 Wall-Mount Unit Installation ..........................9 Wall-Mount Unit Supply Wiring ..........................17 Preliminary Start-Up ............................21 Running in Stand Alone (Orphan) Mode .......................21 SECTION 2: Service Instructions ....................... 23 Using the TEC-EYE ............................24 Alarms ............................
  • Page 3 FREE COOLING UNIT SYSTEM in accordance with the Standards of the National Fire Protection Association for the Installation of Air The Bard Free Cooling Unit System is composed of Conditioning and Ventilating Systems of Other Than MULTI-TEC wall-mounted air conditioners matched Residence Type, NFPA No.
  • Page 4 ANSI Z535.5 Definitions: WARNING DANGER: Indicate[s] a hazardous situation which, if not avoided, will result in death or serious injury. The signal word “DANGER” is to be limited to the most Electrical shock hazard. extreme situations. DANGER [signs] should not be used for property damage hazards unless personal injury risk Have a properly trained individual perform appropriate to these levels is also involved.
  • Page 5: Section 1: Installation Instructions

    SECTION 1: INSTALLATION INSTRUCTIONS Manual 2100-665A Page 5 of 51...
  • Page 6: List Of Necessary Materials/Tools

    LIST OF NECESSARY MATERIALS/TOOLS Additional hardware and miscellaneous supplies are needed for installation. These items are field supplied and must be sourced before installation. This list also includes tools needed for installation. LIST OF MATERIALS/TOOLS • Personal protective equipment/safety devices •...
  • Page 7: Site Preparation

    Each installation side compressor and controls) for right unit. is unique and may require special accomodations and See Specifications Sheet S3532. modifications. Although Bard Manufacturing follows a long-established tradition of manufacturing equipment CLEARANCE TO COMBUSTIBLES using industry standard dimensions for building...
  • Page 8: Figure 1.2 Dimensions

    FIGURE 1.2 Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal) SUPPLY RETURN WIDTH DEPTH HEIGHT MODEL W18*A 33.300 17.125 74.563 7.88 19.88 11.88 19.88 35.00 10.88 29.75 20.56 30.75 32.06 33.25 31.00 2.63 34.13 26.06 10.55 4.19 12.00 9.00 W24*A W30*A...
  • Page 9: Wall-Mount Unit Installation

    WALL-MOUNT UNIT INSTALLATION MOUNTING THE UNITS 5. If desired, hook top rain flashing (attached to front- right of supply flange for shipping) under back bend of top. WARNING 6. Position unit in opening and secure with fasteners sufficient for the application such as 5/16" lag/ anchor/carriage bolts;...
  • Page 10: Figure 1.4A W18/24 Mounting Instructions

    Manual 2100-665A Page 10 of 51...
  • Page 11: Figure 1.4B W30/36 Mounting Instructions

    Manual 2100-665A Page 11 of 51...
  • Page 12: Figure 1.4C W42/48 Mounting Instructions

    Manual 2100-665A Page 12 of 51...
  • Page 13: Figure 1.4D W60/72 Mounting Instructions

    Manual 2100-665A Page 13 of 51...
  • Page 14: Figure 1.5 Electric Heat Clearance

    FIGURE 1.5 Electric Heat Clearance FIGURE 1.6 Wall Mounting Instructions WALL STRUCTURE See FIGURE 2 – Mounting Instructions FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR SUPPLY AIR SUPPLY AIR DUCT OPENING OPENING RETURN AIR RETURN AIR RETURN AIR OPENING OPENING...
  • Page 15: Wall Mounting Instructions

    FIGURE 1.7 Wall Mounting Instructions SEE UNIT DIMENSIONS, FIGURE 2, FOR ACTUAL DIMENSIONS. E + 1.000 ATTACH TO TOP PLATE OF WALL 1.000 1.000" CLEARANCE ALL AROUND DUCT SUPPLY DUCT OPENING INTERIOR FINISHED WALL OVER FRAME 1.000" CLEARANCE ALL AROUND DUCT RETURN DUCT OPENING EXTERIOR FINISH WALL...
  • Page 16: Common Wall Mounting Installations

    FIGURE 1.8 Common Wall Mounting Installations SUPPLY DUCT MAY BE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN RAIN RAIN FLASHING RAFTERS FLASHING RAFTERS FINISHED CEILING SURFACE SUPPLY AIR DUCT SUPPLY AIR DUCT FINISHED CEILING SURFACE W/GRILLE WALL SLEEVE RETURN AIR RETURN AIR OPENING W/ GRILLE...
  • Page 17: Wall-Mount Unit Supply Wiring

    DATE 3/17/2014 3/17/2014 The unit rating plate and Tables 1.1 and 1.2 list fuse SCALE DRAWN BY Bard Mfg. Co. and wire sizes (75°C copper) for all models including Bryan, Ohio 3/17/2014 ADDED FRENCH VERSION 11182 BD SD RP CHECKED...
  • Page 18: W**Aap Series

    TABLE 1.1 Electrical Specifications – W**AAP Series Single Circuit Multiple Circuit Rated  Minimum  Maximum     No. Field  Volts Maximum Field Circuit External Fuse or Field Power Ground  MODEL Power Minimum & External Power Ground Ampacity Ckt.
  • Page 19: W**Lap Series

    TABLE 1.2 Electrical Specifications – W**LAP Series Single Circuit Dual Circuit  Minimum  Maximum    Rated   Field Circuit External Fuse or Field Power Ground Maximum  MODEL Volts & Minimum Field Power Ampacity Ckt. Breaker Wire Size Wire Size External...
  • Page 20: Electric Heat Only

    TABLE 1.3 Recommended Airflow Nominal Nominal Recommended Factory Speed Model Rated Rated Airflow Range Connection CFM * ESP * W18A, W18L 550 - 725 W24A, W24L 700 - 950 Single W30A, W30L 1000 900 - 1200 High W36A, W36L 1100 1000 - 1300 High W42A, W42L...
  • Page 21: Preliminary Start-Up

    During installation, this allows deactivation 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 MULTI-TEC wall-mount units is installed, orphan mode can be enabled early in the installation—keeping the climate inside the shelter stable and the installers comfortable while the remainder of the older equipment is removed and the second Bard MULTI-TEC wall-mount unit and LC6000 controller are installed.
  • Page 22 Manual 2100-665A Page 22 of 51...
  • Page 23: Section 2: Service Instructions

    SECTION 2: SERVICE INSTRUCTIONS Manual 2100-665A Page 23 of 51...
  • Page 24: Using The Tec-Eye Tm

    USING THE TEC-EYE FIGURE 2.1 TEC-EYE (Bard P/N 8301-059) Display and Interface (Status Screen Shown) UP KEY ALARM KEY MENU KEY ENTER KEY BACK KEY DOWN KEY ALARM KEY UP KEY Allows viewing of active alarms Steps to next screen in the display menu...
  • Page 25: Figure 2.3 Quck Menu Icons

    FIGURE 2.3 TEC-EYE Menu Structure Quick Menu Icons Quick Menu Data Log Data Log Unit Information Setpoints Unit Information Setpoints Main Menu System Configuration Advanced System Configuration Setpoints: Local Cool and Heat/Current Cool and Heat I/O Configuration If at any time the unit(s) loses communication with On/Off the LC6000 controller, the unit(s) will go to stand Alarm Logs...
  • Page 26: Figure 2.5 Executing Run Test

    3. Press UP or DOWN keys to scroll to Sys Config; Changing Freecooling Type press ENTER key. The comparative enthalpy free cooling setting can be 4. Press UP or DOWN keys to scroll to Run Test (A10) changed to dry bulb free cooling using the TEC-EYE screen.
  • Page 27: Alarms

    ALARMS Alarm Adjustment FIGURE 2.6 Adjusting Mixed Air Alarm Values Acknowledging/Clearing Alarms Alarm conditions activate a red LED indicator that backlights the ALARM function key. As an option, an alarm condition may also be enunciated by an audible alarm signal. An alarm is acknowledged by pressing the ALARM key.
  • Page 28: Figure 2.7 Adjusting Damper Alarm Values

    Freezestat Upon receiving the alarm, the wall unit will remove the “Y” call from the CCM, resetting the status of the When the coil temperature is below 30°F, the unit CCM. The alarm will stay present on the wall unit until will generate a Freeze alarm on the TEC-EYE and a manually cleared.
  • Page 29: Control Operation

    CONTROL OPERATION On/Off Control FIGURE 2.8 LC6000 Status Screen Showing Control Values The wall unit can be turned on and off with the TEC- . When the unit is set to ON, the system will heat and cool the space either in standalone mode or when connected to the LC.
  • Page 30: Figure 2.10 Adjusting Cooling Differential Values

    To adjust these parameters: If the control value is below 56°F (Setpoint + Stage 3 Diff On), the unit will enable electric heat stage 3. 1. Press MENU key to go to the Main Menu screen. To adjust these parameters: 2.
  • Page 31: Freecooling

    Freecooling FIGURE 2.13 Economizer A4 Screen Economizer Enable The model number is used to determine if an economizer is installed. If an economizer is not installed, this feature will be disabled and sensors will be turned off that are not installed. The economizer will be enabled for cooling operation if the following conditions are true: (screens available through Sys Config in Main Menu)
  • Page 32: Compressor

    3. The outdoor air dewpoint is less than 60°F (OA Economizer Note Dew Pt Set on display). See Figure 2.14. The economizer and mechanical cooling can operate 4. LC6000 is not currently in Dehum Mode. simultaneously because the economizer uses the mixed air temperature sensor.
  • Page 33: Figure 2.16 Wall-Mount Unit Control Board

    FIGURE 2.16 Wall-Mount Unit Control Board 24VAC GND + Communication Wire 24VAC Hot - Communication Wire Smoke Dirty Filter Switch Comp. Alarm Relay 24VAC + Low Pressure Switch Y TO Compressor CCM Damper Blade Switch Damper Blade Switch Digital Ground Mixed Air Temp Sensor Outdoor Air Temp Sensor 24VAC +...
  • Page 34: General Refrigerant Information

    TOPPING OFF SYSTEM CHARGE of refrigerant listed on the serial plate. AHRI capacity and efficiency ratings were determined by testing with If a leak has occurred in the system, Bard this refrigerant charge quantity. Manufacturing recommends reclaiming, evacuating (see criteria above) and charging to the nameplate The pressure table found on page 34 shows nominal charge.
  • Page 35: Cooling Pressures

    TABLE 2.1 Cooling Pressures Air Temperature Entering Outdoor Coil °F Return Air Temp Model Pressure (DB/WB) Low Side 75/62 High Side Low Side W18A/L*P 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side W24A/L*P 80/67 High Side Low Side...
  • Page 36: Componentry

    COMPONENTRY The direction of rotation of the compressor may be WARNING changed by reversing any two line connections to the unit. PHASE MONITOR Electrical shock hazard. Used only on 3-phase equipment, the phase monitor is a Disconnect VAC power supply before compressor protection device that will prohibit operation servicing.
  • Page 37: Figure 2.17 Fan Blade Setting

    OUTDOOR FAN MOTOR routine operation of the unit. The compressor control module (CCM) also monitors the high pressure switch, Due to design considerations of the condenser section and will allow one automatic retry (after soft lockout of the wall-mount unit, placement/clearance of the delay) before disabling the compressor in a hard lockout motor/fan blade is critical to heat dispersal.
  • Page 38 TABLE 2.2A Optional Accessories – Right Hand EHW2TA-A05 EHW2TA-A08 EHW2TA-A10 EHWA24-A04B EHW2TA-B06 EHWH24B-C06 EHW3TA-A05 EHW3TA-A08 EHW3TA-A10 EHW3TA-A15 EHW30A-B06 EHW3TA-B06 EHW3TA-B09 EHW3TA-B15 EHW3TA-C06 EHW3TA-C09 EHW3TA-C12 EHW3TA-C15 EHW4TA-A05 EHWA05-A10B EHWA05-A15B EHWA05-A20B EHW4TA-B06 EHWA05-B09B EHW6TA-B06 EHWA05-B15B EHW5TA-B18 EHW4TA-B18 EHW4TA-C09 EHW4TA-C15 EHW5TA-A05 EHW60A-B09B EHW70A-B09B EHW6TA-B18 EHW72A-A10B EHW72A-A15B...
  • Page 39 TABLE 2.2B Optional Accessories – Left Hand EHW2TA-A05L EHW2TA-A08L EHW2TA-A10L EHW2TA-B06L EHW3TA-A05L EHW3TA-A08L EHW3TA-A10L EHW3TA-A15L EHW3TA-B09L EHW3TA-B15L EHW3TA-C09L EHW3TA-C15L EHW4TA-A05L EHWA05-A10LB EHWA05-A15LB EHW4TA-B06L EHWA05-B09LB EHW6TA-B06L EHWA05-B15LB EHW4TA-C09L EHW4TA-C15L EHW6TA-A05L EHWA60-B09LB EHW70A-B09LB EHW72A-A10LB EHW72A-A15LB WMCB-01B WMCB-02A WMCB-02B WMCB-03A WMCB-04B WMCB-05A WMCB-05B WMCB-06B WMCB-08A WMCB-09A...
  • Page 40: Maintenance And Troubleshooting

    MAINTENANCE AND TROUBLESHOOTING STANDARD MAINTENANCE 4. Manually spin fan and blower motors to ensure they turn freely. All motors are permanently PROCEDURES lubricated, so no oil is necessary. 5. Inspect free cooling damper actuator and linkage. WARNING 6. Install new air filter; check for additional filter grilles internal to the structure.
  • Page 41 In the event that a problem is encountered with a wall-mount unit, the TEC-EYE hand-held tool may be used to diagnose the cause. If the problem can’t be resolved using these guidelines, contact the BARD Technical Service Department at 419.636.0439 for assistance.
  • Page 42 TROUBLESHOOTING MULTI-TEC WALL-MOUNT UNIT ALARMS (CONT.) Device Signal Description Possible Cause Component to Check Recommended Action Actions Check the mixed air The alarm is activated The alarm is activated temperature sensor Mixed Air if the sensor is faulty, a if the sensor is faulty, a Replace the supply wiring.
  • Page 43: Section 3: Appendix

    SECTION 3: APPENDIX Manual 2100-665A Page 43 of 51...
  • Page 44: Wall-Mount Unit Architecture

    WALL-MOUNT UNIT ARCHITECTURE CAUTION: This Bard Free Cooling Unit System has been pre-programmed with what is widely considered to be the best settings for efficiency and operation. Any changes to internal programming through the LC6000 controller or the TEC-EYE not covered within this manual may cause the systems to operate improperly, cause internal damage to the HVAC units, cause the shelter to overheat or other very serious consequences.
  • Page 45 Screen Menu Item Range Default Value Description Freecool ST 0-59 Number of starts in last hour Cooling 1 Run 0-59 Number of minutes in last hour Cooling 1 ST 0-59 Number of starts in last hour Cooling 2 Run 0-59 Number of minutes in last hour Cooling 2 ST 0-59...
  • Page 46 WALL-MOUNT UNIT ARCHITECTURE (CONT.) Screen Menu Item Range Default Value Description Current Heat 52-75°F 60°F Current heating setpoint Press MENU Key two (2) times Insert Password 0000-9999 Password entry for settings access MAIN MENU SYS CONFIG Menu item Unit Setup Heading Address of wall unit used to Controller Address...
  • Page 47 Screen Menu Item Range Default Value Description On Diff -999.9 to 999.9 5.0°F Differential used by outdoor setpoint OA Humid Set 0-100% Setpoint to limit economizer operation Press DOWN Key Economizer Setpoint used to limit economizer OA Dew Pt Set -999.9 to 999.9 55.0°F operation...
  • Page 48 WALL-MOUNT UNIT ARCHITECTURE (CONT.) Screen Menu Item Range Default Value Description 0-32767 45 sec Delay for alarm Press DOWN Key Run Test Damper Test Volts 0-10 volts Damper position command for run test Time that damper will open for and close Damper Time 0-999 sec Heat/Cool Time...
  • Page 49 Screen Menu Item Range Default Value Description Channel 4 Low Pressure Descriptive text NO/NC Changes direction of input On/Off Enable/disable input On/Off Shows current value of input Channel 6 Damper Descriptive text NO/NC Changes direction of input On/Off Enable/disable input On/Off Shows current value of input Press DOWN Key...
  • Page 50 WALL-MOUNT UNIT ARCHITECTURE (CONT.) Screen Menu Item Range Default Value Description Press DOWN Key Freeze Sensor Heading Channel 7 Descriptive text -999.9 to 999.9 -0.1 Raw value of input Enable On/Off Used to enable/disable the sensor Used to increase or decrease the filter Filter Intensity 0-10 for input...
  • Page 51 Screen Menu Item Range Default Value Description Press DOWN Key Language English, Italiano, Deutsch, Press ENTER to change or BACK to Language English Francais, confirm Espanol Press MENU Key Press DOWN Key to SETTINGS Press ENTER Key Press DOWN Key to Initialization Initialization Alarm Initialization Delete Alarm Logs?

Table of Contents