Bard Q-TEC Q24A2 Installation Instructions Manual Download Page 1

Page: 1 / 38

Manual 2100-600
Page

1 of 38

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

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

Manual: 2100-600
Supersedes:

NEW

File:

Vol II Tab 14

Date: 08-21-13

Models:

Q24A2 Q30A2
Q36A2

Q42A2

Q48A2 Q60A2

Q-TEC SERIES
PACKAGED
AIR CONDITIONER

INSTALLATION
INSTRUCTIONS

Summary of Contents for Q-TEC Q24A2

Page 1: ...ing Company Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned Manual 2100 600 Supersedes NEW File Vol II Tab 14 Date 08 21 13 Models Q24A2 Q30A2 Q36A2 Q42A2 Q48A2 Q60A2 Q TEC SERIES PACKAGE...

Page 2: ...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 Table 6 Indoor Blower Performance 37 T...

Page 3: ...mmer 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 Conditio...

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 Po...

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: ...0 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 A1...

Page 7: ...Manual 2100 600 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: ...structions 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 particularly...

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

Page 11: ...y 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 ca...

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: ...EAR 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 OP...

Page 14: ...Manual 2100 600 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 600 Page 16 of 38 REMOVE KNOCK OUT FOR INDOOR DRAIN HOSE CONNECTOR MIS 2471 FIGURE 12C If Used...

Page 17: ...RAIN PAN MOVE 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...

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: ...ck 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 necessa...

Page 20: ...E 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 o...

Page 21: ...thermostat When the thermostat is set in the automatic mode the thermostat can change automatically to the heat or cool modes to maintain the temperature set on the thermostat The CO2 control will en...

Page 22: ...0 1120 445 3 stage Cool 3 stage Heat Programmable Non Programmable Electronic HP or Conventional Auto or Manual changeover 8403 058 TH5220D1151 2 stage Cool 2 stage Heat Electronic Non Programmable HP...

Page 23: ...zed ventilation options are installed 1 Y2 W1 R C W2 Y1 E 1 2 G Y2 A Y1 W2 C R W1 E 1 G Y2 Y W2 C R W 2 3 4 5 6 7 8 9 11 12 10 F Rc G 2 3 BROWN PURPLE RED WHITE BLUE YELLOW TERMINAL BLOCK 8403 060 1 8...

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 B...

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: ...range 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: ...event compressor damage due to phase reversal The phase monitor in this unit is equipped with two LEDs If the Y signal is present at the phase monitor and phases are correct the green LED will light a...

Page 29: ...lockout Regardless the state of the low pressure switch the contactor will reenergize after the delay on make time delay has expired If the low pressure switch remains open or opens again for longer t...

Page 30: ...pected from the outside of the building by looking through the outdoor grille The mist eliminator can be serviced from the outside by using a vacuum cleaner The outdoor grille must be removed Use the...

Page 31: ...te slide out of the QERV The mist eliminator can be seen through the opening in the back of the unit The mist eliminator must be raised up and the bottom can be pulled toward the front of the unit and...

Page 32: ...Manual 2100 600 Page 32 of 38 FIGURE 21 FRESH AIR DAMPER REMOVAL MOUNTING SCREW...

Page 33: ...Manual 2100 600 Page 33 of 38 FIGURE 22 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: ...A2 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 124 365 127 390 130 416 133 442 136 469 138 495 140 522 142 549...

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