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Bard QC501 manual

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Table of contents for the manual

  • Page 1

    © Copyright 2003 Manual No.: 2100-416C Supersedes: 2100416B File: V ol II T ab 14 Date: 12-22-03 Bard Manufacturing Company Bryan, Ohio 43506 Since 1914...Moving ahead, just as planned. QC SERIES CHILLED W A TER UNIT INST ALLA TION INSTRUCTIONS Model: QC501 MIS-1554[...]

  • Page 2

    CONTENTS i Getting Other Information and Publications For more information, contact these publishers: ..... 1 QC General Information QC Model Nomenclature ......................................... 2 Shipping Damage .................................................... 5 Unit Removal From Skid .......................................... 5 Handling Uni[...]

  • Page 3

    Manual 2100-416 Page 1 GETTING OTHER INFORMA TION AND PUBLICA TIONS These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. National Electrical Code ...................... ANSI/NFPA 70[...]

  • Page 4

    Manual 2100-416 Page 2 QC SERIES WA TER SOURCE GENERAL INFORMA TION QC MODEL NOMENCLATURE QC 50 1 – A 10 X X X X X X TABLE 1 FACTORY BUILT-IN ELECTRIC HEAT TABLE s l e d o MA - 1 0 5 C Q 1 - V 0 4 21 - V 8 0 2 W KH U T BH U T B 0 . 50 8 3 , 6 10 9 2 , 2 1 0 . 0 10 7 6 , 2 30 7 5 , 4 2 0 . 5 10 5 1 , 9 40 6 8 , 6 3 Q R S Maximum size of the time d[...]

  • Page 5

    Manual 2100-416 Page 3 TABLE 2A COOLING PERFORMANCE CHART M P GT W EM F C ) 0 0 0 1 ( y t i c a p a C H U T B) 0 0 0 1 ( y t i c a p a C H U T B l i o C r e t a W p o r D e r u s s e r P 1 e g a t S2 d n a 1 e g a t S l a t o Te l b i s n e St n e t a Ll a t o Te l b i s n e St n e t a LG I S P. d H . t F 6 2 40 0 0 1 1 . 5 15 . 0 16 . 45 . 8 33 . [...]

  • Page 6

    Manual 2100-416 Page 4 FIGURE 1 UNIT DIMENSIONS[...]

  • Page 7

    Manual 2100-416 Page 5 SHIPPING DAMAGE 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 t[...]

  • Page 8

    Manual 2100-416 Page 6 REMOVAL OF WALL BRACKET FROM SHIPPING LOCATION The wall brackets are attached to the back of the unit. Remove and retain the wall brackets for use when attaching the unit to the wall. In those installations where a wall sleeve is required these two wall brackets are to be discarded. A different style bracket is supplied with [...]

  • Page 9

    Manual 2100-416 Page 7 FIGURE 4 INSTALLATION OF UNIT THRU WALL WITH WALL SLEEVE MIS-1564[...]

  • Page 10

    Manual 2100-416 Page 8 FIGURE 6 DUCTED APPLICATION MIS-1558 FIGURE 5 INSTALLATION WITH FREE BLOW PLENUM CEILING FLOOR DUCT FLANGE DUCT FIXED CEILING SUSPENDED CEILING FLOOR MIS-1559 20 IN. MINIMUM[...]

  • Page 11

    Manual 2100-416 Page 9 DUCT WORK Any heat pump is more critical of proper operating charge and an adequate duct system than a straight air conditioning unit. All duct work must be properly sized for the design air flow requirement of the equipment. Air Conditioning Contractors of America (ACCA) is an excellent guide to proper sizing. All duct work [...]

  • Page 12

    Manual 2100-416 Page 10 CONDENSATE DRAIN The condensate drain hose is routed down from the evaporator drain pan on the right side of the unit into the compressor compartment. There are three locations that the drain can exit the cabinet. For a stand pipe type of drain, the drain hose can exit the rear of the cabinet. There is adequate hose length t[...]

  • Page 13

    Manual 2100-416 Page 11 BAROMETRIC FRESH AIR DAMPER (Optional) Before start to remove make sure the power has been turned off. The hinged return air grille panel must be opened. The fresh air damper assembly can be seen on the back of the unit. Refer to Figure 10. 1. The fresh air damper is attached to the back of the unit with one screw on either [...]

  • Page 14

    Manual 2100-416 Page 12 FIGURE 10 FRESH AIR DAMPER REMOVAL MOUNTING SCREW MIS-1627[...]

  • Page 15

    Manual 2100-416 Page 13 QTEC ENERGY RECOVERY VENTILATOR OPTION Before starting the removal make sure that the power has been turned off. The hinged return air grille panel must be opened. The energy recovery ventilator (QERV) can be seen after the panel is opened. To gain access to the mist eliminator, the QERV must be removed. Refer to Figure 11 1[...]

  • Page 16

    Manual 2100-416 Page 14 INST ALLA TION INSTRUCTIONS MOUNTING THE UNIT When installing a QC unit near an interior wall on the left side, a minimum of 8 inches is required; 12 inches is preferred. When installing a QC unit near an interior wall on the right side, a minimum of 12 inches is required as additional space is required to connect the drain.[...]

  • Page 17

    Manual 2100-416 Page 15 FIGURE 13 UNIT MOUNTING WITHOUT VENTILATION WALL SLEEVE (REFER TO MOUNTING INSTRUCTIONS ON PAGE 13) SIDE TRIM (2 PIECES) SIDE TRIM (2 PIECES) WALL MOUNTING BRACKET BOTTOM TRIM EXTENSION BOTTOM TRIM PIECE MIS-1557[...]

  • Page 18

    Manual 2100-416 Page 16 FIGURE 14 COMPONENT LOCATION SIDE FIELD WIRE ENTRANCE REMOTE THERMOST A T TERMINAL BLOCK INDOOR BLOWER CONTROL BOX/ CIRCUIT BREAKER P ANEL MIS-1736 WIRING – MAIN POWER Refer to the unit rating plate and/or Table 2 for wire sizing information and maximum fuse or “HACR Type” circuit breaker size. Each unit is marked with[...]

  • Page 19

    Manual 2100-416 Page 17 The unit rating plate lists a “Maximum Time Delay Relay Fuse” or “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 assure that there will be no nuisance tripping due to the momentary high starting current of the compressor motor[...]

  • Page 20

    Manual 2100-416 Page 18 LOW VOLTAGE CONNECTIONS These units use a grounded 24 volt AC low voltage circuit. The “R” terminal is the hot terminal and the “C” terminal is grounded. “G” terminal or pins 6 and 1 of P2 are the fan inputs . Both must be energized for proper fan operation. This is done automatically in the factory installed cli[...]

  • Page 21

    Manual 2100-416 Page 19 FIGURE 16 REMOTE THERMOSTAT WIRING DIAGRAM “X” OPTION MIS-1734 IF93-380[...]

  • Page 22

    Manual 2100-416 Page 20 4102-028 IF93-380 FIGURE 17 REMOTE THERMOSTAT WIRING DIAGRAM “D” THERMOSTAT OPTION[...]

  • Page 23

    Manual 2100-416 Page 21 j Maximum ESP (inches WC) shown is with 1 ” thick disposable filter (reduced by .2 for 2 ” filter). k Rated CFM for ducted applications – required for maximum performance rating. T o obtain full CFM locate low voltage terminal strip in the circuit breaker box.There is a pink jumper wire with both ends attached to termi[...]

  • Page 24

    Manual 2100-416 Page 22 M O T P M Y S E R U D E C O R P / E S U A C . g n i t r a t s n e h w y l t h g i l s s k c o r r o t o M % M C I r o f p u - t r a t s l a m r o n s i s i h T t r a t s t ' n o w r o t o M % t n e m e v o m o N % r o t o m t a r e w o p k c e h C % r o t o m t a ) C o t R C A V 4 2 ( e g a t l o v w o l k c e h C % r o[...]

  • Page 25

    Manual 2100-416 Page 23 M O T P M Y S E R U D E C O R P / E S U A C y l l a c i t a r r e s n u r t u b s t r a t s r o t o M % t n e t t i m r e t n i r o n w o d d n a p u s e i r a V % " g a s " r o n o i t a i r a v r o f e g a t l o v e n i l k c e h C % ; r o t o m t a ) C , R , W , Y , G ( s n o i t c e n n o c e g a t l o v w o l [...]

  • Page 26

    Manual 2100-416 Page 24 FIGURE 18 INTERNAL 2-WAY VALVE PIPING Water Valves Valve Location "NC" side of valve "NO" side of valve "COM" side of valve Valve Detail MIS-1899[...]

  • Page 27

    Manual 2100-416 Page 25 FIGURE 19 INTERNAL 3-WAY VALVE PIPING Water Valves Valve Location "NC" side of valve "COM" side of valve "NO" side of valve Valve Detail MIS-1900[...]