Bard 11EER WA Series Installation Instructions Manual Download Page 1

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11EER WA SERIES

WALL MOUNT AIR CONDITIONER

Models:

INSTALLATION INSTRUCTIONS

W12AB-A W12AB-D

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com

Manual: 2100-715B
Supersedes: 2100-715A
Date: 2-24-20

W12AB-K

Summary of Contents for 11EER WA Series

Page 1: ...11EER WA SERIES WALL MOUNT AIR CONDITIONER Models INSTALLATION INSTRUCTIONS W12AB A W12AB D Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 715B Supersedes 2100 715A Date 2 24 20 W12AB K ...

Page 2: ... Short Cycle Delay on Break 18 Low Pressure Detection 18 High Pressure Detection 19 Test Mode 19 Brownout Protection with Adjustment 19 Pressure Service Ports 20 Service 21 Fan Blade Setting Dimensions 21 R 410A Refrigerant Charge 21 Setting Unit Airflow 24 Blower Speeds 24 Speed Tap 1 Balanced Climate 24 Speed Tap 2 Default Cooling Heating 24 Speed Tap 3 Optional HI Cooling Heating 24 FIGURES Fig...

Page 3: ...g ACCA Manual J Residential Duct Design for Residential Winter and Summer Air Conditioning and Equipment Selection ACCA Manual D For more information contact these publishers ACCA Air Conditioning Contractors of America 1712 New Hampshire Ave N W Washington DC 20009 Telephone 202 483 9370 Fax 202 234 4721 ANSI American National Standards Institute 11 West Street 13th Floor New York NY 10036 Teleph...

Page 4: ...nd or labels attached to the equipment While these instructions are intended as a general recommended guide they do not supersede any national and or local codes in any way Authorities having jurisdiction should be consulted before the installation is made See page 3 for information on codes and standards Size of unit for a proposed installation should be based on heat loss calculation made accord...

Page 5: ...n codes may limit this cabinet to installation only in a single story structure Filters A 1 throwaway filter is standard with each unit The filter slides into position making it easy to service This filter can be serviced from the outside by removing the service door A 2 pleated filters is also available as an optional accessory The internal filter brackets are adjustable to accommodate the 2 filt...

Page 6: ... drainage A clear flexible PVC drain hose 3 4 ID 1 OD extends from the drain pan in the upper section of the unit and extends down to the unit base An opening is supplied towards the back of the unit base for the drain hose to pass through and the hose extends 1 to 2 below the unit base Water removed from the indoor air condensate will be expelled from the unit in large amounts during cooling oper...

Page 7: ...e that meets the 5 8 louver criteria and does not cause the unit to exceed the maximum specified external static pressure ESP may be used If using a return air filter grille filters must be of sufficient size to allow a maximum velocity of 400 fpm Filter return air grilles do not filter air being brought into the structure through ventilation options including fresh air dampers ventilators economi...

Page 8: ...m bend into the rear bend of the unit top see Figure 3 3 Apply a liberal amount of caulk on left and right cabinet side wall mount brackets and back of top rain flashing Place unit back surface flush against wall Unit must be level to ensure proper condensate drainage 4 Units are secured to the wall by using field supplied fasteners along each side of the wall mount through the built in wall mount...

Page 9: ...OLTAGE ELECTRICAL ENTRANCE BUILT IN RAIN HOOD 2 PITCH 1 50 48 00 21 88 14 63 CONDENSER AIR OUTLET HEATER FILTER ACCESS AIR VENTILATION CONDENSER AIRFLOW IS BLOW THRU 19 72 3 88 31 06 19 72 20 43 SHIPPING LOCATION ENTRANCE ELECTRICAL OPTIONAL TOP RAIN FLASHING DRAIN HOSE 22 25 25 750 10 00 5 00 5 00 17 00 30 13 32 00 2 50 MIS 3599 ...

Page 10: ...PPLIED FOAM AIR SEAL WALL WALL STRUCTURE MIS 3600 FLANGES AND UNDER TOP FLASHING AT TIME OF INSTALLATION SUPPLY AIR DUCT RETURN AIR NOTE IT IS RECOMMENDED THAT A BEAD OF SILICONE CAULKING BE PLACED BEHIND THE SIDE MOUNTING OPENING WALL OPENING AND HOLE LOCATION VIEW 7 031 19 719 10 000 7 031 17 000 6 969 19 719 5 000 17 000 5 000 2 500 ...

Page 11: ...tions RETURN AIR RETURN AIR OPENING OPENING DUCT SUPPLY AIR OPENING SUPPLY AIR OPENING CONCRETE BLOCK WALL INSTALLATION WOOD FRAME WALL INSTALLATION WALL STRUCTURE MOUNT ON UNIT SIDE VIEW OPENING WOOD OR STEEL SIDING RETURN AIR BEFORE INSTALLATION FACTORY SUPPLIED RAIN FLASHING SUPPLY AIR MIS 3670 ...

Page 12: ...Manual 2100 715B Page 12 of 25 FIGURE 6 Common Wall Mounting Installations ...

Page 13: ...erating condition For low voltage wiring an 18 gauge copper color coded cable is recommended See Table 4 on page 14 for more information Low Voltage 24VAC Connections These units use a 24 volt AC low voltage circuit C terminal is the 24VAC common and is grounded G terminal is the indoor blower input Y1 terminal is the 1st Stage input for cooling Y2 terminal is the 2nd Stage compressor input for co...

Page 14: ...Sensor w dehumidification Motion Sensor w Intelligent Learning Control BACnet compatible CS9B THOC 3 stage Cool 3 stage Heat Programmable Non Programmable HP or Conventional Auto or Manual Changeover Humidity Sensor w dehumidification CO2 Sensor Motion Sensor w Intelligent Learning Control BACnet compatible CS9BE THO 3 stage Cool 3 stage Heat Programmable Non Programmable HP or Conventional Auto o...

Page 15: ...4 1 2 3 If not equipped with a ventilation option to plug in a jumper plug must be installed 2 5 2 Factory installed jumper Remove jumper and connect to N C fire alarm circuit if emergency shutdown required 5 4 control optional for ECON only see vent instruction manuals 0 10 VDC modulating C02 control signal for modulating ventilation 3 periods Must be configured for multi stage for Y1 output to b...

Page 16: ...089 W C Rc Y R G O B to N C fire alarm circuit if emergency shutdown required If not equipped with a ventilation option to plug in a jumper plug must be installed TH311OD1040 8403 057 TH522OD1151 8403 058 5 4 6 7 3 Do not add these wires if setting up for modulating control See note 7 Thermostat will not work with units equipped with economizers 1 5 control Optional for ECON Only See vent installa...

Page 17: ...nk as a liquid to avoid any fractionation and to ensure 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 with other refrigerants 2 Use gloves and safety glasses Polyol ester oils can be irritating to the skin and liquid refrigerant will freeze the skin 3 Never use air and R 410A to le...

Page 18: ...ced Climate is not a replacement for a dehumidification hot gas reheat unit for extreme applications but rather an enhancement feature for limited climates and applications Vent Connection Plug All units are equipped with a vent connection plug in the side of the control panel for the different ventilation packages to plug in to If the compressor will not start and there is no Y1 at the compressor...

Page 19: ...g The conditions needed for the unit to enter test mode are as follows POT must start at a time less than or equal to the 40 second mark The POT must then be rapidly rotated to a position greater than or equal to the 280 second mark in less than second Normal operation will resume after power is reset or after the unit has been in test mode for at least 5 minutes Brownout Protection with Adjustmen...

Page 20: ...or units switches from utility power to generator power With 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 almost instantaneous transfer switches the millisecond long power glitch can be enough that the compressor will start to run backwards In this s...

Page 21: ...eadings this information should only be used by certified technicians as a guide for evaluating proper system performance They shall not be used to adjust charge If charge is in doubt reclaim evacuate and recharge the unit to the serial plate charge A AIRFLOW MIS 1724 Model Dimension A W12AB 2 25 Fan Blade Setting Dimensions Shown in Figure 10 is the correct fan blade setting for proper air delive...

Page 22: ...system evacuated and recharged to serial plate charge weight NOTE Pressure table based on high speed condenser fan operation If condensing pressures appear elevated check condenser fan wiring See Condenser Fan Operation Operating at these conditions would be outside the compressor operating envelope and is not recommended Model Return Air Temp DB WB Pressure 75 80 85 90 95 100 105 110 115 120 125 ...

Page 23: ...duit the conductors must be derated Pay special attention to Note 8 of Table 310 regarding Ampacity Adjustment Factors when more than three current carrying conductors are in a raceway IMPORTANT While this electrical data is presented as a guide it is important to electrically connect properly sized fuses and conductor wires in accordance with the National Electrical Code and all local codes MODEL...

Page 24: ...hermostat or other controlling device Multiple motor speed taps may be energized simultaneously by 24VAC power during different modes of operation The highest number speed tap energized takes priority with 3 being the highest and 1 being the lowest See Table 10 for the corresponding blower speeds with the different modes of operation Speed Tap 1 Balanced Climate Speed tap 1 is set as a lower than ...

Page 25: ... Optional HI Cooling Heating Speed Dry Coil Wet Coil Dry Coil Wet Coil Dry Coil Wet Coil W12AB B W12AB D 0 00 330 325 465 460 545 525 0 10 315 305 450 435 495 470 0 15 305 290 435 420 465 445 0 20 285 270 415 400 440 415 0 25 260 250 395 380 410 390 0 30 375 355 380 360 0 40 315 305 320 305 0 50 245 245 255 245 W12AB K 0 00 335 320 455 450 510 505 0 10 295 280 450 435 525 505 0 15 270 255 435 420 ...

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