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Bard QA241D, Installation Instructions Manual

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Bard QA241D Installation Instructions Manual Download Page 19

Manual     2100-438
Page     17

FIGURE  16

REMOTE THERMOSTAT WIRING DIAGRAM

“X” THERMOSTAT OPTION

NOTE: On option X or G the CS2000 (or other field

provided means to control ventilation) must be
used if any of the motorized ventilation options
are installed.

Summary of Contents for QA241D

Page 1: ...ince 1914 Moving ahead just as planned Manual 2100 438C Supersedes 2100 438B File Vol II Tab 14 Date 06 02 04 Copyright 2004 Models QA241D QA301D QA361D QA421D QA481D QA601D QTEC SERIES PACKAGED AIR C...

Page 2: ...mostats and Subbase Combinations 16 Table 5 Troubleshooting 29 Table 6 Fan Blade Dimensions 30 Table 7 Super Heat at Compressor 30 Table 8 Indoor Blower Performance 30 Table 9 Cooling Pressure 31 Gett...

Page 3: ...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...

Page 4: ...2 Ton 30 2 1 2 Ton 36 3 Ton 42 3 1 2 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 Commer...

Page 5: ...0 4 2 1 V 8 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...

Page 6: ...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...

Page 7: ...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 D 1 2 4 A Q 5 0 A D...

Page 8: ...Manual 2100 438 Page 6 FIGURE 1 UNIT DIMENSIONS...

Page 9: ...arded See Figure 3 A The return air grille panel can be 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 F...

Page 10: ...ral recommended guide they do not supersede any national and or local codes in any way Authorities having jurisdiction should be consulted before the installation is made See Page 1 for information on...

Page 11: ...CEILING FIXED CEILING DUCT DUCT FLANGE 8 FT 7 IN MINIMUM RECOMMENDED CEILING HEIGHT 7 FT 4 IN UNIT HEIGHT 12 IN MINIMUM 2 IN MINIMUM FROM DUCT FLANGE TO DUCT BOTTOM 8 FT 4 5 IN MINIMUM REQUIRED INSTA...

Page 12: ...asteners and one locking latch The internal filter brackets are adjustable to accommodate 2 inch filters The tabs for the 1 inch filters must be bent down to allow the 2 inch filters to slide in place...

Page 13: ...d 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 unco...

Page 14: ...e 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 MIS 1576 CABINET SIDE PANEL...

Page 15: ...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 an...

Page 16: ...All models are suitable only for connection with copper wire Each unit and or wiring diagram will be marked Use Copper Conductors Only These instructions MUST BE adhered to Refer to the National Elect...

Page 17: ...terminal is the hot terminal and the C terminal is grounded G terminal or pin 6 of P2 are the fan inputs If the climate control option is abandoned and connections are made directly to P2 pin 6 of P2...

Page 18: ...RE 15 TABLE 4 WALL THERMOSTATS AND SUBBASE COMBINATIONS t a t s o m r e h T e s a b b u S s e r u t a e F t n a n i m o d e r P 9 4 0 3 0 4 8 0 8 3 3 9 F 1 A N l o o C t a e H o t u A l a u n a M e l...

Page 19: ...7 FIGURE 16 REMOTE THERMOSTAT WIRING DIAGRAM X THERMOSTAT OPTION NOTE On option X or G the CS2000 or other field provided means to control ventilation must be used if any of the motorized ventilation...

Page 20: ...IGURE 17 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM G THERMOSTAT OPTION NOTE On option X or G the CS2000 or other field provided means to control ventilation must be used if any of the motorized ventilati...

Page 21: ...Manual 2100 438 Page 19 FIGURE 18 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM E THERMOSTAT OPTION...

Page 22: ...lugging 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 revers...

Page 23: ...out 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...

Page 24: ...It is recommended that the 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 Th...

Page 25: ...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 el...

Page 26: ...Manual 2100 438 Page 24 FIGURE 19 FRESH AIR DAMPER REMOVAL MIS 1627 MOUNTING SCREW...

Page 27: ...Manual 2100 438 Page 25 FIGURE 20 QERV REMOVAL MIS 1039 MOUNTING SCREWS FRONT FILL LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS...

Page 28: ...rmostat 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 can be energized by manual...

Page 29: ...Manual 2100 438 Page 27 FIGURE 21 AIR CONDITIONING MODE CIRCUIT DIAGRAM MIS 1200...

Page 30: ...Manual 2100 438 Page 28 FIGURE 22 DEHUMIDIFICATIONMODE CIRCUIT DIAGRAM MIS 1199...

Page 31: ...g i h e c a l p e r t e s e r t o n l l i w d n a h c t i w s e r u s 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...

Page 32: ...n a Super Heat as shown in Table 7 If correct charge is in doubt recover the refrigerant and recharge per the charge on the unit rating plate FIGURE 23 FAN BLADE SETTING MIS 983 TABLE 6 FAN BLADE DIME...

Page 33: ...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...

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