Bard W12A1-K Installation Instructions Manual Download | Manualshive

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Manual 2100-509E
Page

1 of 17

WALL MOUNTED

PACKAGE AIR CONDITIONERS

Model:

W12A2-A

W12A1-K

INSTALLATION INSTRUCTIONS

Manual: 2100-509E
Supersedes: 2100-509D
File:

Volume III Tab 16

Date: 08-20-12

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

Since 1914....Moving ahead just as planned.

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Summary of Contents for W12A1-K

Page 1: ...NTED PACKAGE AIR CONDITIONERS Model W12A2 A W12A1 K INSTALLATION INSTRUCTIONS Manual 2100 509E Supersedes 2100 509D File Volume III Tab 16 Date 08 20 12 Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned ...

Page 2: ...14 Adjustments 15 Pressure Service Ports 15 Troubleshooting Fan Blade Setting Dimension 16 Refrigerant Charge 16 Pressure Table 17 Optional Field Installed Accessories 17 Figures Figure 1 Unit Dimensions 5 Figure 2 Fresh Air Damper 7 Figure 3 Mounting Instructions 9 Figure 4 Wall Mounting Instructions 10 Figure 5 Wall Mounting Instructions 10 Figure 6 Common Wall Mounting Instructions 11 Figure 7 ...

Page 3: ...Design for ACCA Manual D Residential Winter and Summer Air Conditioning and Equipment Selection For more information contact these publishers ACCA Air Conditioning Contractors of America 1712 New Hampshire Avenue NW 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 Telephone 212 642 4900 Fax 212 302 12...

Page 4: ...d MODEL NUMBER REVISIONS CONTROL MODULES E Low Ambient Control J Telecommunication VOLTS PHASE A 230 208 60 1 K 115 60 1 KW 00 No KW 02 2 2 KW 03 3 6 KW 05 5 0 KW VENTILATION OPTIONS X Barometric Fresh Air Damper Standard B Blank off Plate E Economizer Internal Fully Modulating with Exhaust V Commercial Ventilator Motorized with Exhaust FILTER OPTIONS X 1 Inch Throwaway Standard P 2 Inch Pleated C...

Page 5: ...position is Blow Thru Condenser Airflow Flanges Built In Side Wall Mounting Shipping Location Top Rain Flashing field convertible position Optional Electrical Position of return air flanges are interchangeable between two positions Factory built at 5 inches Note Maintain a minimum of 20 inches clearance on right side to allow access to control panel and allow proper airflow to outdoor condenser co...

Page 6: ...standards Size of unit for a proposed installation should be based on heat loss gain calculation made according to methods of Air Conditioning Contractors of America ACCA The air duct should be installed in accordance with the Standards of the National Fire Protection Association for the Installation of Air Conditioning and Ventilating Systems of Other Than Residence Type NFPA No 90A and Residence...

Page 7: ...e service door A 2 inch pleated filter is also available as an optional accessory The internal filter brackets are adjustable to accommodate the 2 inch filter by bending the metal tabs holding the 1 inch filter down There are two tabs on each side of the filter FRESH AIR INTAKE All units are built with fresh air inlet slots punched in the service panel If the unit is equipped with a fresh air damp...

Page 8: ...ocations if desired See Figure 3 3 Hook top rain flashing under back bend of top Top rain flashing is shipped attached to the back of the unit on the right side 4 Position unit in opening and secure with 5 16 lag bolts use 7 8 inch diameter flat washers on the lab bolts 5 Secure rain flashing to wall and caulk across entire length of top See Figure 3 6 For additional mounting rigidity the return a...

Page 9: ...Manual 2100 509E Page 9 of 17 FIGURE 3 MOUNTING INSTRUCTIONS ...

Page 10: ...Manual 2100 509E Page 10 of 17 FIGURE 5 WALL MOUNTING INSTRUCTIONS FIGURE 4 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS FIGURE 1 FOR ACTUAL DIMENSIONS ...

Page 11: ...Manual 2100 509E Page 11 of 17 FIGURE 6 COMMON WALL MOUNTING INSTALLATIONS ...

Page 12: ...ata lists fuse and wire sizes 75 C copper for all models including the most commonly used heater sizes Also shown are the number of field power circuits required for the various models with heaters The unit rating plate lists a Maximum Time Delay Relay Fuse of HACR type circuit breaker that is to be used with the equipment The correct size must be used for proper circuit protection and also to ass...

Page 13: ...tiple leaks and recharges R 410A refrigerant is close to being an azeotropic blend it behaves like a pure compound or single component refrigerant The remaining refrigerant charge in the system may be used after leaks have occurred and then top off the charge by utilizing the pressure charts on the inner control panel cover as a guideline REMEMBER When adding R 410A refrigerant it must come out of...

Page 14: ...y on make is complete and the high pressure switch and low pressure switch if employed is closed the compressor contactor is energized Upon shutdown the delay on break time starts and prevents restart until the delay on break and delay on make periods have expired During routine operation of the unit with no power interruptions the compressor will operate on demand with no delay High Pressure Swit...

Page 15: ...138 second DOM 4 0 minute 240 seconds DOB 144 second DOM 5 0 minute 300 seconds DOB 150 second DOM During routine operation of the unit with no power interruptions the compressor will operate on demand with not delay Typical Settings for Dual Unit Installation Unit No 1 DOB set at 2 minutes and DOM is 132 seconds Unit No 2 DOB set at 4 minutes and DOM is 144 seconds PRESSURE SERVICE PORTS High and...

Page 16: ...he units Since many installation specific situations can affect the pressure readings 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 TABLE 4 INDOOR BLOWER PERFORMANCE CFM 230V 115V TABLE 5 RATED CFM AND ES...

Page 17: ...136 379 138 405 141 432 142 460 143 490 80 deg DB 67 deg WB Low Side High Side 128 298 133 318 138 340 142 364 143 387 148 415 151 443 152 472 153 503 85 deg DB 72 deg WB Low Side High Side 132 308 138 329 143 352 147 377 150 403 153 430 156 459 157 489 158 521 Model Description BOP 1A Blank Off Plate X BFAD 1 Barometric Fresh Air Damper X EIFM 1 Economizer with Exhaust X CMA 28 Low Ambient Contro...

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