Bard Q24A2-A Installation Instructions Manual Download

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INSTALLATION INSTRUCTIONS

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506
www.bardhvac.com

Manual No.: 2100-600C

Supersedes: 2100-600B

Date: 5-25-18

Q-TEC

SERIES

PACKAGED AIR CONDITIONER

Models:

Q24A2-A
Q24A2-B
Q24A2-C

Q30A2-A
Q30A2-B
Q30A2-C

Q36A2-A
Q36A2-B
Q36A2-C

Q42A2-A
Q42A2-B
Q42A2-C

Q48A2-A
Q48A2-B
Q48A2-C

Q60A2-A
Q60A2-B
Q60A2-C

Summary of Contents for Q24A2-A

Page 1: ...n Ohio 43506 www bardhvac com Manual No 2100 600C Supersedes 2100 600B Date 5 25 18 Q TECTM SERIES PACKAGED AIR CONDITIONER Models Q24A2 A Q24A2 B Q24A2 C Q30A2 A Q30A2 B Q30A2 C Q36A2 A Q36A2 B Q36A2...

Page 2: ...ade Setting 37 Tables Table 1 Factory Built In Electric Heat Table 5 Table 2 Electrical Specifications 6 Table 3 Operating Voltage Range 20 Table 4 Wall Thermostats 22 Table 5 Fan Blade Dimensions 37...

Page 3: ...ummer Manual N Air Conditioning Low Pressure Low Velocity ACCA Manual D or Duct System Design Manual Q Winter and Summer Air Conditioning FOR MORE INFORMATION CONTACT THESE PUBLISHERS ACCA Air Conditi...

Page 4: ...reheat if applicable VENTILATION OPTIONS X Barometric Fresh Air Damper Standard B Blank off Plate E Economizer Not available on dehumidification versions P Commercial Ventilator Motorized w Exhaust P...

Page 5: ...08V 1 240V 1 208V 1 480V 3 240V 1 208V 1 240V 1 208V 1 480V 3 KW BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH BTUH 5 0 16 380 12 290 16 380 12 290 6 0 20 500 15...

Page 6: ...60 25 6 10 10 10 Q42A2 B0Z B06 B09 B15 230 208 3 1 1 1 1 26 26 35 53 35 35 35 60 8 8 8 6 10 10 10 10 Q42A2 C0Z C06 C09 C15 460 3 1 1 1 1 13 14 18 27 15 15 20 30 14 14 12 10 14 14 12 10 Q48A2 A0Z A05 A...

Page 7: ...Manual 2100 600C Page 7 of 38 FIGURE 1 UNIT DIMENSIONS...

Page 8: ...moved to provide a place to hold the unit The unit can be slid forward on the skid until the front wheels hang over the edge of the skid See Figure 3 B The unit can be tipped forward and slid down the...

Page 9: ...nstructions and any instructions packaged with any separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation Note particularl...

Page 10: ...Manual 2100 600C Page 10 of 38 FIGURE 6 DUCTED APPLICATION FIGURE 5 INSTALLATION WITH FREE BLOW PLENUM...

Page 11: ...ly adjustable louvers on the front discharge grille For hot water coil option a QPBHWxx F for free blow or QPBHWxx D for ducted airflow is used When used with a ducted supply a QCX Cabinet Extension c...

Page 12: ...rom the wall When the side drain is used the plug must be removed and installed in the rear drain outlet The rear drain can be used with wall thickness of up to 10 inches where a water trap can be ins...

Page 13: ...REAR DRAIN TOP VIEW WALL MAXIMUM 10 FOR REAR DRAIN COUPLINGS NOT SHOWN BUT RECOMMENDED FOR EASE OF REMOVABILITY FOR SERVICE SLEEVE DRAIN LINE WALL BRACKET UNIT FIGURE 10 STANDARD REAR DRAIN FIGURE 9 O...

Page 14: ...Manual 2100 600C Page 14 of 38 MIS 2469 DRAIN BOX WALL SLEEVE OVERFLOW TUBE CAULK AROUND TUBE FIGURE 12A...

Page 15: ...PLASTIC PIPE NIPPLE HORIZONTAL TO FLOOR TIGHTEN THREADS SO TEE IS THREADS APPLY TEFLON TAPE TO REAR DRAIN CONNECTION IN Q Tec PRODUCT 1 2 SLIP X 1 2 SLIP X 3 4 NPT TEE SUPPLIED WITH DRAIN BOX KIT PLU...

Page 16: ...Manual 2100 600C Page 16 of 38 MIS 2471 A REMOVE KNOCK OUT FOR INDOOR DRAIN HOSE CONNECTOR FIGURE 12C If Used...

Page 17: ...OVE HOSE FROM ATTACHMENT IN LOWER DRAIN PAN AND SLIDE ONTO DRAIN BOX BARB FITTING SECURING WITH SUPPLIED CLAMP IF OUTDOOR PAN IS BYPASSED WILL REDUCE RISK OF ALGAE GROWTH IN THE OUTDOOR PAN BUT AT A S...

Page 18: ...le FIGURE 13A UNIT MOUNTING BOTTOM TRIM PIECE BOTTOM TRIM EXTENSION MOUNTING BRACKET SIDE TRIM 2 PCS SIDE TRIM 2 PCS CABINET SIDE PANEL ENLARGED VIEW OF MOUNTING BRACKET SHOWING SLEEVE TO CABINET ATTA...

Page 19: ...eck both sides of the unit as it is being rolled to keep it centered in the sleeve Also check the alignment to the mounting brackets This unit must be level from side to side If adjustments are necess...

Page 20: ...GE WIRING 230 208V 1 PHASE AND 3 PHASE EQUIPMENT DUAL PRIMARY VOLTAGE TRANSFORMERS All Equipment leaves the factory wired on 240V tap For 208V operation reconnect from 240V to 208V tap The acceptable...

Page 21: ...is set in the cool mode it can cool only to maintain the temperature set on the thermostat When the thermostat is set in the automatic mode the thermostat can change automatically to the heat or cool...

Page 22: ...nal Auto or Manual changeover 8403 060 1120 445 3 stage Cool 3 stage Heat Programmable Non Programmable Electronic HP or Conventional Auto or Manual changeover 8403 082 VT8600U5500B 2 stage Cool 2 sta...

Page 23: ...ons are installed 1 7 1 2 3 4 5 6 7 8 9 11 12 10 F G Y2 Y1 W2 C R W1 E 1 9 2 8 1 G 3 3 Y2 W1 E R C W2 Y1 A G R C Rc W W2 Y Y2 6 5 4 2 8403 082 or 8403 084 BROWN WHITE BROWN BLUE BLACK WHITE RED WHITE...

Page 24: ...the CS2000A or other field provided means to control ventilation must be used if any of the motorized ventilation options are installed W1 E Orange 2 Yellow Brown 7 G 12 W2 Red White Blue 9 10 1 6 5...

Page 25: ...FIGURE 19 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM D THERMOSTAT OPTION W1 E 8403 060 D THERMOSTAT OPTION Y2 12 Plug 2 Brown G Purple Orange C Blue 9 10 6 5 Black White A 3 11 8 4102 070 4 R Y1 7 Red Wh...

Page 26: ...Orange 2 Red White Blue 9 10 6 Part 8403 060 5 Black White G 3 11 8 R Y1 Plug 2 C W2 1 Yellow 12 Purple Brown 7 A Brown White 2 Y2 Black White Red White Brown White Out Controller Red White W1 E 4 3 4...

Page 27: ...e 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 use...

Page 28: ...t and the compressor contactor is allowed to energize If phases are reversed the red fault LED will be lit and compressor operation is inhibited If a fault condition occurs reverse two of the supply l...

Page 29: ...a compressor call is lost the time period must expire before a new call will be initiated High Pressure Detection High pressure switch monitoring allows for a lockout condition in a situation where th...

Page 30: ...e 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 Adjustment Brownout prot...

Page 31: ...OR COMMERCIAL ROOM VENTILATOR Option Before starting make sure the power has been turned off The return air grille panel must be removed The economizer EIFM or commercial room ventilator CRV can be se...

Page 32: ...Manual 2100 600C Page 32 of 38 FIGURE 22 FRESH AIR DAMPER REMOVAL MOUNTING SCREW...

Page 33: ...Manual 2100 600C Page 33 of 38 FIGURE 23 QERV REMOVAL MOUNTING SCREWS FRONT FILL LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS...

Page 34: ...bank of heaters if equipped is energized High Low Pressure control provides protection for the compressor In the event system pressures go above 600 PSI or below 15 PSI in cooling mode the compressor...

Page 35: ...it s air noise cabinet duct or motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check...

Page 36: ...n d Add a drip loop to the cables so that water cannot enter the motor by draining down the cables Refer to Figure 26 The installation is now complete Reapply the AC power to the HVAC equipment and ve...

Page 37: ...REFRIGERANT CHARGE This unit was charged at the factory with the quantity of refrigerant listed on the serial plate AHRI capacity and efficiency ratings were determined by testing with this refrigeran...

Page 38: ...2A2 75 DB 62 WB Low Side High Side 116 356 119 380 122 406 124 431 127 457 129 483 131 509 133 535 135 563 80 DB 67 WB Low Side High Side 124 365 127 390 130 416 133 442 136 469 138 495 140 522 142 54...

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