Bard QTEC QA241 Series Installation Instructions Manual Download Page 8 | Manualshive

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Manual 2100-437E
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8 of 31

FIGURE 1

UNIT DIMENSIONS

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Summary of Contents for QTEC QA241 Series

Page 1: ...ny Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned Manual 2100 437E Supersedes 2100 437D File Vol II Tab 14 Date 10 10 06 Copyright 2004 Models QA241 QA301 QA361 QA421 QA481 QA601 QTEC SERIES PACKAGED AIR CONDITIONER INSTALLATION INSTRUCTIONS ...

Page 2: ...nge 16 Table 4 Wall Thermostats 18 Table 5 Troubleshooting 29 Table 6 Fan Blade Dimensions 30 Table 7 Indoor Blower Performance 30 Table 8 Cooling Pressure 31 Getting Other Information and Publications For more information contact these publishers 3 QTEC General Information QTEC Model Nomenclature 4 Shipping Damage 9 Unit Removal From Skid 9 Handling Unit After Removal From Skid 10 General 10 Mini...

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 Conditioning Contractors of America 1712 New Hampshire Avenue 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...

Page 4: ...2 Ton 36 3 Ton 42 3 Ton 48 4 Ton 60 5 Ton KW 0Z 0KW 05 5KW 06 6KW 09 9KW 10 10KW 12 12KW 15 15KW VENTILATION OPTIONS X Barometric Fresh Air Damper Standard B Blank off Plate V Commercial Ventilator Motorized w Exhaust Spring Return P Commercial Ventilator Motorized w Exhaust Power Return R Energy Recovery Ventilator w Exhaust E Economizer FILTER OPTIONS X 1 Inch Fiberglass Standard F 2 Inch Fiberg...

Page 5: ...0 2 1 V 0 4 2 1 V 8 0 2 3 V 0 8 4 W K H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B H U T B 0 5 0 8 3 6 1 0 9 2 2 1 0 8 3 6 1 0 9 2 2 1 0 6 0 0 5 0 2 0 6 3 5 1 0 0 5 0 2 0 6 3 5 1 0 0 5 0 2 0 0 5 0 2 0 0 5 0 2 0 6 3 5 1 0 0 5 0 2 0 9 0 0 7 0 3 0 0 0 3 2 0 0 7 0 3 0 0 0 3 2 0 0 7 0 3 0 0 7 0 3 0 0 7 0 3 0 0 0 ...

Page 6: ... 2 D N U O R G E R I W E Z I S 3 M U M I N I M T I U C R I C Y T I C A P M A 1 M U M I X A M L A N R E T X E R O E S U F T I U C R I C R E K A E R B 2 D L E I F R E W O P E Z I S E R I W 2 D N U O R G E Z I S E R I W T K C A T K C B T K C A T K C B T K C A T K C B T K C A T K C B Z 0 A 1 4 2 A Q 5 0 A 0 1 A 1 8 0 2 0 3 2 1 1 1 0 2 0 3 5 5 0 3 0 3 0 6 0 1 0 1 6 0 1 0 1 0 1 Z 0 B 1 4 2 A Q 6 0 B 9 0...

Page 7: ...C A P M A 1 M U M I X A M L A N R E T X E R O E S U F T I U C R I C R E K A E R B 2 D L E I F R E W O P E Z I S E R I W 2 D N U O R G E Z I S E R I W T K C A T K C B T K C A T K C B T K C A T K C B T K C A T K C B Z 0 A 1 2 4 A Q 5 0 A 0 1 A 5 1 A 1 8 0 2 0 3 2 1 1 1 2 R O 1 3 3 3 3 8 5 3 8 0 5 0 5 0 6 0 9 8 8 6 4 0 1 0 1 8 8 8 5 5 2 0 6 5 2 6 0 1 0 1 0 1 Z 0 B 1 2 4 A Q 6 0 B 9 0 B 5 1 B 3 8 0 2 ...

Page 8: ...Manual 2100 437E Page 8 of 31 FIGURE 1 UNIT DIMENSIONS ...

Page 9: ...removed to provide a place to hold the unit The unit can be slid forward on the skit 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 edge of the skid until the front wheels touch the ground See Figure 3 C The wheels will not roll They are shipped from the factory locked so they will not roll The back of the skid will have to be ...

Page 10: ... separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation Note particularly Start Procedure and any tags and or labels attached to the equipment While these instructions are intended as a general recommended guide they do not supersede any national and or local codes in any way Authorities having jurisdiction should be con...

Page 11: ...Manual 2100 437E Page 11 of 31 FIGURE 6 DUCTEDAPPLICATION FIGURE 5 INSTALLATION WITH FREE BLOW PLENUM ...

Page 12: ...ir system The QPB and QPBHW Plenum Box mounts on top of the unit and has both vertically and horizontally 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 can be used to conceal the duct work above the unit to the ceiling This extends 20 above the unit ...

Page 13: ...ed with a plug installed The side drain requires a water trap for proper drainage See Figure 9 The drain can be routed through the floor or through the wall If the drain is to be routed through an unconditioned space it must be protected from freezing The drain line must be able to be removed from the unit if it is necessary to remove the unit from the wall When the side drain is used the plug mus...

Page 14: ...w pressure device This indicates that the unit needs to be serviced FIGURE 12 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 ATTACHMENT MOUNTING BRACKET 8 SCREW PROVIDED LIGHT COLOR WALL SLEEVE 10 HEX HEAD SCREW PROVIDED WATER TRAP FIGURE 11 REAR DRAIN TOP VIEW WAL...

Page 15: ... 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 necessary shim up under the rollers with sheets of steel or any substance that is not affected by moisture 5 Make sure the gasket on the rear of the unit is touching the sleeve across the top and down both sides This is a rain water seal 6 Secure the mounti...

Page 16: ...mplete current carrying capacity data on the various insulation grades of wiring material All wiring must conform to NEC and all local codes The electrical data 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 De...

Page 17: ... and the C terminal is grounded G terminal or pin 6 of P2 is the fan input If the climate control option is abandoned and connections are made directly to P2 pin 6 of P2 must be energized for proper operation Y1 terminal or pin 7 of P2 is the compressor input W1 terminal or pin 8 of P2 is the fist stage heat R terminal or pin 10 of P2 is 24 VAC hot C terminal or pin 11 of P2 is 24 VAC grounded L t...

Page 18: ... 3 0 4 8 0 8 3 3 9 F 1 t a e H e g a t s 3 l o o C e g a t s 2 c i n o r t c e l E e l b a m m a r g o r P r e v o e g n a h c l a u n a M r o o t u A 8 5 0 3 0 4 8 1 5 1 1 D 0 2 2 5 H T t a e H e g a t s 2 l o o C e g a t s 2 e l b a m m a r g o r P n o N c i n o r t c e l E r e v o e g n a h c l a u n a M r o o t u A MIS 1285 ...

Page 19: ...of 31 FIGURE 16 REMOTE THERMOSTAT WIRING DIAGRAM X THERMOSTAT OPTION NOTE On option X or A the CS2000A or other field provided means to control ventilation must be used if any of the motorized ventilation options are installed ...

Page 20: ...31 FIGURE 17 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM A THERMOSTAT OPTION NOTE On option X or A the CS2000A or other field provided means to control ventilation must be used if any of the motorized ventilation options are installed ...

Page 21: ...Manual 2100 437E Page 21 of 31 FIGURE 18 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM D THERMOSTAT OPTION ...

Page 22: ... or plugging in the motor could result in motor failure PHASE MONITOR All units with three phase scroll compressors are equipped with a 3 phase line monitor to prevent 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 and the compressor contactor is allowed...

Page 23: ... 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 than 120 seconds the unit will go into manual lockout condition and the alarm relay circuit will energize Recycling the wall thermostat resets the manual lockout Alarm Relay Output Alarm terminal is o...

Page 24: ...he mist eliminator be inspected annually and serviced as required The mist eliminator can be inspected 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 vacuum to remove dirt and debris from the surface of the mist eliminator If additional cleaning is requi...

Page 25: ... the unit The mist eliminator must be raised up and the bottom can be pulled toward the front of the unit and removed 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 removed QTEC R ENERGY RECOVERY VENTILATOR Option Before starting make sure that the power has been turned ...

Page 26: ...Manual 2100 437E Page 26 of 31 FIGURE 19 FRESH AIR DAMPER REMOVAL MOUNTING SCREW ...

Page 27: ...Manual 2100 437E Page 27 of 31 FIGURE 20 QERV REMOVAL MOUNTING SCREWS FRONT FILL LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS ...

Page 28: ...d heating cycles It is imperative to match the correct pressure curve to the unit by model number Upper and lower service doors must be attached to obtain proper reading SEQUENCE OF OPERATION Cooling Circuit R Y makes the thermostat pull in the compressor contactor starting the compressor and outdoor motor The G indoor motor circuit is automatically completed on any call for cooling operation or c...

Page 29: ...s e r p t r o h s r o s s e r p m o C n o i t c e t o r p e l c y c C C C n e e w t e b V 4 2 r o f k c e h C l o r t n o c p m u p t a e h n o C Y d n a r e p m u j C C C n e e w t e b e g a t l o v o n f I 0 1 n i h t i w d n a l a n i m r e t p u d e e p s r a e p p a d l u o h s r e w o p s d n o c e s p u d e e p s e v o m e R C C C n e e w t e b s d n o c e s 0 1 r e t f a r e p m u j e v i ...

Page 30: ...ting on 2nd stage heating the indoor air will increase to 1000 CFM REFRIGERANT CHARGE The correct system R 22 charge is shown on the unit rating plate If correct charge is in doubt recover the refrigerant and recharge per the charge on the unit rating plate Reference Table 8 for correct pressure data FIGURE 21 FAN BLADE SETTING TABLE 6 FAN BLADE DIMENSIONS L E D O M A N O I S N E M I D S E H C N I...

Page 31: ...4 7 2 1 2 4 7 5 1 2 5 7 3 3 2 6 7 1 5 2 7 7 9 6 2 8 7 7 8 2 9 7 5 0 3 0 8 3 2 3 1 8 1 4 3 B D 0 8 B W 7 6 e d i S w o L e d i S h g i H 9 7 9 1 2 9 7 0 2 2 0 8 9 3 2 1 8 7 5 2 2 8 6 7 2 3 8 4 9 2 4 8 2 1 3 5 8 1 3 3 6 8 0 5 3 B D 5 8 B W 2 7 e d i S w o L e d i S h g i H 5 8 3 2 2 5 8 8 2 2 6 8 7 4 2 7 8 7 6 2 8 8 6 8 2 9 8 5 0 3 0 9 4 2 3 1 9 3 4 3 2 9 3 6 3 1 2 4 A Q B D 5 7 B W 2 6 e d i S w o ...

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