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Q-TEC SERIES
PACKAGED HEAT PUMP
INSTALLATION
Models:
INSTRUCTIONS
Q24H1 Q30H1
Q36H1 Q42H1
Q48H1 Q60H1
Bard Manufacturing Company, Inc.
Manual: 2100-519C
Bryan, Ohio 43506
Supersedes: 2100-519B
File: Vol. II Tab 14
Since 1914 . . . Moving ahead, just as planned.
Date: 02-17-12
Manual 2100-519C
Page 1 of 42
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CONTENTS Getting Other Information and Publications Start Up For more information, contact these publishers: .......... 3 R-410A Refrigerant Required ........................................ 27 Topping Off System Charge ........................................... 27 Q-TEC General Information Safety Practices ............................................................. 27 Q-TEC Model Nomenclature ......................................... 4 Description of Standard Equipment ......................
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GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these at THESE PUBLISHERS: your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. ACCA Air Conditioning Contractors of America 1712 New Hampshire Avenue Washington, DC 20009 National Electrical Code ..................... ANSI/NFPA 70 Telephone: (202) 483-9370 Fax: (2
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Q-TEC Series General Information Q-TEC MODEL NOMENCLATURE Q 36 H 1– A 10 X X V X X X MODEL HEAT COIL OPTIONS FILTER OPTIONS NUMBER PUMP X - Standard X - 1-Inch Fiberglass KW Q - Q-TEC (Standard) REVISION 0Z - 0KW F - 2-Inch Fiberglass CAPACITY | 05 - 5KW P - 2-Inch Pleated 24 - 2 Ton 06 - 6KW INTERNAL CONTROLS 30 - 2½ Ton 09 - 9KW X - Standard SPECIAL UNITS | 36 - 3 Ton 10 - 10KW • High Pressure Switch L - Low Ampacity COLOR OPTIONS 42 - 3½ Ton 12 - 12KW • Low Pressure Switch
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TABLE 2 ELECTRICAL SPECIFICATIONS Single Circuit Dual Circuit 3 Minimum 1 Maximum 2 Field Rated No. Field 3 Minimum 1 Maximum 2 Field 2 Ground Circuit External Fuse Power 2 Ground Wire Size Model Volts Power Circuit External Fuse Power Wire Ampacity or Ckt. Breaker Wire Size and Phase Circuits Ampacity or Ckt. Brkr. Wire Size Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Q24H1-A0Z 1 22 30 10 10 - - - - - - - - A05 230/208-1 1 47 50 8 10 - - - - - - - - A10 1 or 2 72 80 4 8 22 50 30 50
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Manual 2100-519C Page 6 of 42 FIGURE 1 UNIT DIMENSIONS Q24H1 Q30H1 Q36H1 Q42H1 Q48H1 Q60H1
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FIGURE 2 SHIPPING DAMAGE AIR SEAL UNDER QTEC UNIT Upon receipt of equipment, the carton should be checked for external signs of shipping damage. The skid must remain attached to the unit until the unit is ready for installation. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent. UNIT REMOVAL FROM SKID WARNING This unit is heavy and requires more than one person to handle and remove from
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The blade of the appliance cart should be slid under the HANDLING UNIT AFTER REMOVAL wheels of the unit. The strap of the appliance cart FROM SKID should be placed around the unit and strapped tightly. Help will be required to tip the unit back onto the cart. The unit can be leaned far enough back to be rolled WARNING through the door. Be careful when setting the unit back up to keep from damaging the unit. Exercise extreme caution when pushing the unit on the rollers. Handle and push
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FIGURE 5 INSTALLATION WITH FREE BLOW PLENUM FIGURE 6 DUCTED APPLICATION Manual 2100-519C Page 9 of 42
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For hot water coil option a QPBHWxx-F for free blow DUCT WORK or QPBHWxx-D for ducted airflow is used. Any heat pump is more critical of proper operating When used with a ducted supply, a QCX Cabinet charge and an adequate duct system than a straight air Extension can be used to conceal the duct work above conditioning unit. All duct work must be properly sized the unit to the ceiling. This extends 20" above the unit for the design airflow requirement of the equipment. for a total height abov
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The rear drain can be used with wall thickness of up to FRESH AIR INTAKE 10 inches where a water trap can be installed between This unit is equipped with a fresh air damper assembly. the unit and the interior wall. See Figure 10. The trap The damper blade is locked in the closed position when cannot extend beyond the edge of the unit or it will the unit is shipped from the Factory. To allow the interfere with the wall mounting bracket. The drain can damper to operate remove the two plastic l
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FIGURE 9 FIGURE 10 OPTIONAL SIDE DRAIN (SIDE VIEW) STANDARD REAR DRAIN INSTALLATION Q-TEC UNIT FIGURE 11 REAR DRAIN (TOP VIEW) DRAIN LINE WALL (MAXIMUM 10" FOR REAR DRAIN) SLEEVE COUPLINGS NOT SHOWN BUT RECOMMENDED FOR EASE OF REMOVABILITY FOR SERVICE. WALL BRACKET WATER TRAP UNIT Manual 2100-519C Page 12 of 42
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Manual 2100-519C Page 13 of 42 FIGURE 12A OVERFLOW TUBE CAULK AROUND TUBE WALL SLEEVE DRAIN BOX MIS-2469
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FIGURE 12B PLUG INSTALLED IN SIDE Q/Tec DRAIN REAR DRAIN CONNECTION IN Q/Tec PRODUCT IMPORTANT ! 1/2" SLIP X 1/2" SLIP X 3/4" NPT TEE SUPPLIED WITH DRAIN BOX KIT 3/4" PLASTIC PIPE NIPPLE (TIGHTEN THREADS SO TEE IS SUPPLIED WITH DRAIN BOX KIT HORIZONTAL TO FLOOR) (APPLY TEFLON TAPE TO THREADS) MIS-2470 Manual 2100-519C Page 14 of 42
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FIGURE 12C REMOVE KNOCK-OUT FOR INDOOR DRAIN HOSE CONNECTOR (If Used) MIS-2471 Manual 2100-519C Page 15 of 42
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FIGURE 12D DRAIN HOSE FROM INDOOR DRAIN 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 BUT AT A SLIGHT COOLING PERFORMANCE REDUCTION OF 2-3% ) MIS-2472 Manual 2100-519C Page 16 of 42
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FIGURE 13A UNIT MOUNTING - METHOD 1 ENLARGED VIEW OF MOUNTING BRACKET SHOWING SLEEVE TO CABINET ATTACHMENT SIDE TRIM MOUNTING BRACKET (2 PCS.) QWS Series WALL Wall Sleeve SLEEVE SIDE TRIM (2 PCS.) #8 SCREW PROVIDED (LIGHT COLOR) CABINET MOUNTING SIDE PANEL BRACKET #10 HEX HEAD SCREW PROVIDED BOTTOM TRIM BOTTOM TRIM PIECE EXTENSION FIGURE 13B UNIT MOUNTING - METHOD 2 Return Grille Sleeve Stud Washer Nut Condenser Door (Removed) MIS-2689 Lower Control Panel Manual 2100-519C Page 17 of 42
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INSTALLATION INSTRUCTIONS alignment to the mounting brackets. This unit MOUNTING THE UNIT must be level from side to side. If adjustments When installing a Q-TEC unit near an interior wall on the are necessary, shim up under the rollers with left side, a minimum of 8 inches is required; 12 inches is sheets of steel or any substance that is not preferred. affected by moisture. When installing a Q-TEC unit near an interior wall on the 5. Make sure the gasket on the rear of the unit is right side
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See Start Up section for information on three phase WIRING – MAIN POWER scroll compressor start-ups. Refer to the unit rating plate and/or Table 2 for wire The field wiring connections are located behind the top sizing information and maximum fuse or “HACR Type” and hinged panel in the circuit breaker panel. See circuit breaker size. Each unit is marked with a Figure 15. “Minimum Circuit Ampacity”. This means that the field wiring used must be sized to carry that amount of current. Dependi
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NOTE: For total and proper control using DDC, a total LOW VOLTAGE CONNECTIONS of 6 controlled outputs are required (5 if no These units use a grounded 24 volt AC low voltage ventilation system is installed). For proper circuit. system operation under Emergency Heat conditions. Where the compressor needs to be The “R” terminal is the hot terminal and the “C” deactivated, the B-W2-E outputs need to be terminal is grounded. energized. Removing the Y (compressor) signal “G” terminal or pins 6 and
