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FORM 145.29-IOM2 (814) 

 

 

36 

JOHNSON CONTROLS 

APPENDIX B: TYPICAL SERVICE CLEARANCES

 

 

 

 

24 In. Side

42 In. Front

20 TON A/C VERTICAL UNIT
SERVICE CLEARANCE

REAR RETURN,
FRONT DISCHARGE

ELECTRICAL BOX
ACCESS PANEL

COMPRESSOR
ACCESS PANEL

Summary of Contents for DSV60B-300B

Page 1: ...MODEL DSV60B 300B VERTICAL R 410A AIR CONDITIONING UNITS STYLE B MODEL DSV AIR CONDITIONING UNITS INSTALLATION INSTRUCTIONS Supersedes 145 29 IOM2 812 Form 145 29 IOM2 814 Issue Date August 25 2014 ...

Page 2: ...It is essential that prior to performing any task on this equipment this individual shall have read and understood this document and any referenced materials This individual shall also be familiar with and comply with all applicable governmental standards and regulations pertaining to the task in question SAFETY SYMBOLS The following symbols are used in this document to alert the reader to areas o...

Page 3: ...e equipment has been modified and if current literature is available TABLE OF CONTENTS Safety Symbols 2 Changeability of This Document 3 Nomenclature 4 Typical Installation Diagram 5 General Information 6 Pre Installation Inspection of Equipment 6 Installation Unit Mounting Unit Weights 7 Evaporator Condenser Assembly 7 Condensate Trap 8 Ductwork 9 Optional Accessories Variable Frequency Drive VFD...

Page 4: ... 60 3 1 Std Motor Drive 4 460 60 3 2 High Static Drive 5 575 60 3 Control Options M Std Microprocessor Controls Outdoor Air side Options A Std Air Side coil C Corrosion Protective Coating ID Motor 1 Std 2 High Static Indoor Air side Options 3 Std cw VFD A Std Air Side coil 4 High Static cw VFD C Corrosion Protective Coating D Stainless Steel Drain Pan F Coated Coil w S S Drain Pan Supply Air Disch...

Page 5: ...FORM 145 29 IOM2 814 JOHNSON CONTROLS 5 DSV TYPICAL INSTALLATION DIAGRAM ...

Page 6: ...Any problems found internally should be reported to carrier and manufacturer immediately Refrigerant circuit should be checked to ensure no leaks have occurred during shipment Install gauge set to high and low pressure ports to confirm pressure has been maintained and no leaks have occurred during shipment Repair any damage prior to installation to ensure safe operation See Appendix section for un...

Page 7: ...e that the entire base is continuously supported Unit may be pitched slightly to ensure efficient drainage of condensate Ensure that entire base is continuously supported DO NOT support unit at corner points only EVAPORATOR CONDENSER ASSEMBLY ASSEMBLY OF SPLIT UNITS 8 25 TON MODELS Place the condensing section in the required location Carefully position the evaporator section atop the condensing s...

Page 8: ...oor condenser roof Use a TUBING CUTTER ONLY do not use a hacksaw to cut refrigerant tubing otherwise serious damage can occur to refrigeration system Remove corner securing brackets from the outside corners of the cabinet at the joint line between the evaporator and condenser sections Remove the evaporator section Refer to Assembly of Split Units for assembly instructions CONDENSATE TRAP Unit requ...

Page 9: ...nsufficient condenser air volume This will cause a loss in system capacity and may cause compressor shut down during high ambient periods Installation of an oversize condenser motor drive where applicable may be considered in such cases As a general rule these velocities will require an intake louver sized approximately 1 25 to 1 5 times the dimensions of the duct connection on the unit and a disc...

Page 10: ...turn air side of the evaporator Mixing comes with low leakage opposed blade dampers Economizer is used to provide ventilation and free cooling for the JCI DSV series of vertical air handlers Economizer setup is done through the LCD keypad display locating on the economizer control module mounted on the mixing box Access to the mixing box is required The factory supplied economizer includes economi...

Page 11: ...Front Grille DSV144B 82 5 34 28 24x20 2x 28x20 2x DSV180B 82 5 34 28 24x20 2x 28x20 2x DSV240B 90 5 34 28 24x20 2x 32x20 2x A B C D E DSV060B VASE 060B 1 49 00 27 75 24 00 40 00 14 00 DSV096B 120B VASE 120B 1 66 50 36 25 26 50 58 00 19 50 DSV144B 180B VASE 180B 1 78 00 35 75 28 50 70 00 19 50 DSV240B VASE 240B 1 86 00 41 25 34 00 78 00 25 00 DSV300B VASE 300B 1 104 00 45 00 34 00 90 00 25 00 MODEL...

Page 12: ...e with terminal connection blocks for wiring is attached to a field installed mounting bracket Appropriate mounting hardware for the pressure control module and the damper actuator motor are provided with the kit A routing hole is provided in the condenser corner panel near the actuator mounting location to allow installation of the plenum rated cable between the motor and the control module On du...

Page 13: ...g Fasten securely Install new drive belts Adjust drive belts to appropriate tension Test run blower and observe operation for unusual sounds or vibration ELECTRICAL WIRING Follow local electrical codes when making electrical connections Units are completely factory wired for normal supply voltages ie 208 230 460 575V 3Ph 60Hz Confirm unit specifications by checking unit data plate All electrical c...

Page 14: ...5 00 5 3 7 50 7 8 40 55 50 DSV300B2 208 230 3 60 2 34 0 240 0 7 50 20 4 10 00 25 0 121 90 150 DSV300B4 460 3 60 2 16 0 140 0 7 50 9 7 10 00 12 5 58 20 70 DSV300B5 575 3 60 2 12 9 107 6 7 50 7 8 10 00 10 0 46 83 50 ELECTRICAL DATA OVERSIZED EVAPORATOR MOTOR MODEL VOLTAGE COMPRESSOR EVAP FAN COND FAN MCA MAX FUSE CCT BKR AMP QTY RLA LRA HP FLA HP FLA DSV060B2 208 230 3 60 1 16 0 110 0 1 50 4 5 1 50 ...

Page 15: ...TERNAL STATIC PRESSURE Inches W C 0 0 0 2 0 4 0 6 0 8 1 0 1 2 Standard Factory Drive 1 HP Field Supplied Low Static Drive SUPPLY AIR BLOWER PERFORMANCE RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2600 496 0 28 605 0 40 701 0 50 788 0 62 868 0 74 947 0 89 1016 1 04 1045 1 19 1075 1 35 1105 1 50 2900 514 0 36 618 0 48 710 0 60 794 0 72 872 0 86 944 0 98 1017 1 12 ...

Page 16: ...NAL STATIC PRESSURE Inches W C 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 SUPPLY AIR BLOWER PERFORMANCE RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 4000 436 0 48 521 0 64 597 0 80 667 0 98 730 1 16 790 1 34 845 1 54 896 1 75 946 2 01 992 2 29 4400 456 0 58 536 0 76 609 0 94 676 1 12 738 1 32 796 1 52 851 1 72 902 1 82 950 2 17 996 2 52 4800 475 0 70 555 0 88 621 1 ...

Page 17: ...E Inches W C 0 0 0 2 0 4 0 6 0 8 1 0 1 2 SUPPLY CFM AVAILABLE EXTERNAL STATIC PRESSURE Inches W C 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 SUPPLY AIR BLOWER PERFORMANCE RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 6400 592 1 38 659 1 63 721 1 96 779 2 26 835 2 58 888 2 88 942 3 02 1001 3 38 1058 3 76 1101 4 18 7200 645 1 88 706 2 18 770 2 50 818 2 84 870 3 18 920 ...

Page 18: ... 755 3 63 807 4 05 856 4 47 904 4 92 950 5 37 994 5 82 1037 6 27 1079 6 75 1119 7 20 1 Blower performance includes evaporator coil and 2 filters 2 At higher evaporator airflows and wet bulb conditions condensate carry over may occur Decrease airflow downward as necessary CONDENSER FAN PERFORMANCE RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 12800 735 4 41 790 4 98 843 5 55 894 6 15 944 ...

Page 19: ... 486 729 2 145 1 9 2 9 1VP34X7 8 7 2 AK74H AX68 DSV120B 640 854 3 184 2 8 3 8 1VP44X1 1 8 8 2 AK84H AX70 DSV144B 571 761 3 184 2 8 3 8 1VP44X1 1 8 9 2 AK94H AX79 DSV180B 686 866 5 184 3 4 4 4 1VP50X1 1 8 9 7 BK100H BX80 DSV240B 769 965 7 5 213 4 8 5 2 1VP60X1 3 8 10 4 BK110H BX89 DSV300B 741 894 10 215 5 8 7 0 1VP71X1 3 8 13 7 BK140H BX103 Frame Pitch Dia Browning Pitch Dia Browning Size in Part N...

Page 20: ... for recommended operating range of standard and oversized motors and drive kits The RPM for the blowers can be determined from the blower performance tables Adjustment of blower speed is accomplished as follows 1 Loosen belt tension by moving motor towards the blower shaft via the adjustable mounting 2 Loosen the setscrew in the adjustable motor pulley flange Remove external key on pulleys 4 in d...

Page 21: ...nd level as well as substantially reduced current draw Pressure Switch Settings All Models High Low Cut Out PSIG 625 25 Cut In PSIG 500 38 Refrigerant Charge LBS UNIT Circuit 1 Circuit 2 DSV060B 13 25 13 lbs 4 oz DSV096B 11 35 11 lbs 6 oz 11 60 11 lbs 10 oz DSV120B 13 90 13 lbs 14 oz 14 20 14 lbs 3 oz DSV144B 16 60 16 lbs 10 oz 15 60 15 lbs 10 oz DSV180B 19 00 19 lbs 0 oz 17 80 17 lbs 13 oz DSV240...

Page 22: ... delay for cooling the microprocessor control will energize the blower motor Once the room t stat has been satisfied it will de energize Y1 If the compressor has satisfied its minimum run time the compressor and fan de energize Otherwise the unit operates the cooling system until the minimum run time for the compressor has been completed After the compressor de energizes the blower is stopped foll...

Page 23: ...and flash a fault code indicating a Condensate Overflow lock out SAFETY CONTROLS The microprocessor control monitors the following inputs 1 A High Pressure Switch on each compressor circuit to protect against excessive discharge pressures 2 A Low Pressure Switch on each compressor circuit to protect against loss of refrigerant charge 3 A Condensate Overflow Switch to protect against condensate ove...

Page 24: ...ess Press the button once and it scans the bus then assigns itself the first available address starts at 2 It then flashes that address one time Pressing the button twice causes the control to flash the address FLASH CODES Description On Steady This is Control Failure 2 Flashes Control waiting ASCD Anti Short Cycle Delay 3 Flashes High Pressure Compressor 1 Lockout 4 Flashes High Pressure Compress...

Page 25: ... type and do not require lubrication Check bearings for any signs of wear movement between inner and outer races Ensure bearing locking collars are secure to the shaft and that collar locking screw is properly set Check that the blower wheel is tight on the shaft and that the hub set screws are properly torqued DRIVE BELTS Examine belts periodically for wear Glazed areas on the drive surfaces indi...

Page 26: ...POWER CABLE ENTRANCE 1 75 1 00 RETURN AIR CONDENSER INTAKE CONDENSER DISCHARGE SUPPLY AIR BACK RETURN VERTICAL DISCHARGE ELECTRICAL BOX ACCESS PANEL CONDENSER ACCESS PANEL EVAPORATOR ACCESS PANEL FILTER ACCESS BOTH SIDES LOW VOLTAGE CONNECTION 5 TON VERTICAL A C UNIT DIMENSIONAL DATA NOTE DIMENSION TOLERANCE IS 1 16 14 50 47 13 25 88 3 12 EVAPORATOR FAN DRIVE ACCESS PANEL CONDENSER FAN DRIVE ACCES...

Page 27: ... AIR BACK RETURN FRONT DISCHARGE ELECTRICAL BOX ACCESS PANEL CONDENSER ACCESS PANEL FILTER ACCESS BOTH SIDES 14 50 14 50 1 00 1 75 52 00 76 50 12 00 33 18 47 50 48 63 5 TON VERTICAL A C UNIT DIMENSIONAL DATA CONDENSER FAN DRIVE ACCESS PANEL EVAPORATOR FAN DRIVE ACCESS PANEL 47 13 25 88 1 50 1 00 2 13 3 12 ELECTR POWER CABLE ENTRANCE LOW VOLTAGE CONNECTION NOTE DIMENSION TOLERANCE IS 1 16 2 44 2 25...

Page 28: ...C UNIT DIMENSIONAL DATA REAR RETURN FRONT DISCHARGE FRONT VIEW BACK VIEW SUPPLY AIR NOTE DIMENSION TOLERANCE IS 1 16 2 88 0 93 3 4 NPT DRAIN CONNECTION 71 50 41 88 13 69 88 13 2 75 14 81 52 06 32 00 36 06 EVAPORATOR BLOWER DRIVE ACCESS DOOR FILTER ACCESS BOTH SIDES POWER SUPPLY CABLE ENTRANCE LOW VOLTAGE CONNECTION VFD LOCATION OPTIONAL CONDENSER BLOWER DRIVE ACCESS DOOR 64 63 34 13 32 50 14 31 1 ...

Page 29: ... COMPRESSOR ACCESS PANEL ELECTRICAL BOX ACCESS PANEL FRONT VIEW BACK VIEW NOTE DIMENSION TOLERANCE IS 1 16 71 50 41 88 13 69 14 81 88 13 52 06 32 00 35 13 SUPPLY AIR EVAPORATOR BLOWER DRIVE ACCESS DOOR FILTER ACCESS BOTH SIDES POWER SUPPLY CABLE ENTRANCE LOW VOLTAGE CONNECTION CONDENSER BLOWER DRIVE ACCESS DOOR VFD LOCATION OPTIONAL 64 63 34 13 1 00 2 20 32 50 14 31 66 50 FILTER 2 88 0 93 3 4 NPT ...

Page 30: ...N AIR SUPPLY AIR 12 15 TON VERTICAL A C UNIT DIMENSIONAL DATA REAR RETURN FRONT DISCHARGE NOTE DIMENSION TOLERANCEIS1 16 82 50 47 63 34 00 38 06 15 97 91 63 55 88 2 88 EVAPORATOR BLOWER DRIVE ACCESSDOOR FILTER ACCESS BOTH SIDES POWER SUPPLY CABLEENTRANCE LOW VOLTAGE CONNECTION 2 88 0 80 3 4 NPT DRAIN CONNECTION 76 13 33 63 1 97 1 00 14 31 36 69 77 63 VFD LOCATION OPTIONAL CONDENSER BLOWER DRIVE AC...

Page 31: ...A C UNIT DIMENSIONAL DATA REAR RETURN TOP DISCHARGE FRONT VIEW BACK VIEW SUPPLY AIR NOTE DIMENSION TOLERANCE IS 1 16 82 50 47 63 16 13 9 25 16 00 91 63 55 88 34 00 37 13 EVAPORATOR BLOWER DRIVE ACCESS DOOR FILTER ACCESS BOTH SIDES CONDENSER BLOWER DRIVE ACCESS DOOR VFD LOCATION OPTIONAL POWER SUPPLY CABLE ENTRANCE LOW VOLTAGE CONNECTION 76 13 33 63 36 69 14 31 1 97 1 00 2 88 0 80 3 4 NPT DRAIN CON...

Page 32: ...IR 20 TON VERTICAL A C UNIT DIMENSIONAL DATA REAR RETURN FRONT DISCHARGE NOTE DIMENSION TOLERANCEIS1 16 57 44 90 50 14 50 60 69 102 06 2 88 16 13 37 06 EVAPORATOR BLOWER DRIVE ACCESSPANEL FILTER ACCESS BOTH SIDES CONDENSER BLOWER DRIVE ACCESSPANEL POWER SUPPLY CABLEENTRANCE LOW VOLTAGE CONNECTION 85 63 3 19 42 69 13 06 84 13 1 97 38 38 1 50 1 38 2 06 1 88 0 80 3 4 NPT DRAIN CONNECTION VFD LOCATION...

Page 33: ...NAL DATA REAR RETURN TOP DISCHARGE FRONT VIEW BACK VIEW SUPPLY AIR NOTE DIMENSION TOLERANCE IS 1 16 90 50 14 56 60 69 102 06 0 94 34 00 9 38 EVAPORATOR BLOWER DRIVE ACCESS PANEL FILTER ACCESS BOTH SIDE CONDENSER BLOWER DRIVE ACCESS PANEL POWER SUPPLY CABLE ENTRANCE VFD LOCATION OPTIONAL LOW VOLTAGE CONNECTION 1 88 0 80 3 4 NPT DRAIN CONNECTION 16 13 57 44 84 13 1 97 13 06 42 69 2 06 85 63 3 20 38 ...

Page 34: ... 25 TON VERTICAL A C UNIT DIMENSIONAL DATA REAR RETURN FRONT DISCHARGE NOTE DIMENSION TOLERANCE IS 1 16 102 13 2 00 42 38 1 25 1 50 13 06 48 17 2 06 103 63 3 19 FILTER 108 50 77 63 17 44 110 06 64 69 16 13 VFD LOCATION OPTIONAL EVAPORATOR BLOWER DRIVE ACCESS DOOR FILTER ACCESS BOTH SIDES CONDENSER BLOWER DRIVE ACCESS DOOR POWER SUPPLY CABLE ENTRANCE LOW VOLTAGE CONNECTION 2 88 0 80 3 4 NPT DRAIN C...

Page 35: ...ONAL DATA REAR RETURN TOP DISCHARGE FRONT VIEW BACK VIEW SUPPLY AIR NOTE DIMENSION TOLERANCEIS1 16 103 63 3 19 2 06 48 19 13 06 102 13 2 00 1 25 42 38 1 38 FILTER 108 50 77 63 16 13 110 06 64 69 0 94 34 00 37 06 EVAPORATOR BLOWER DRIVE ACCESSDOOR FILTER ACCESS BOTH SIDES CONDENSER BLOWER DRIVE ACCESSDOOR POWER SUPPLY CABLEENTRANCE LOW VOLTAGE CONNECTION VFD LOCATION OPTIONAL 2 88 0 80 3 4 NPT DRAI...

Page 36: ...9 IOM2 814 36 JOHNSON CONTROLS APPENDIX B TYPICAL SERVICE CLEARANCES 24 In Side 42 In Front 20 TON A C VERTICAL UNIT SERVICE CLEARANCE REAR RETURN FRONT DISCHARGE ELECTRICAL BOX ACCESSPANEL COMPRESSOR ACCESSPANEL ...

Page 37: ...FORM 145 29 IOM2 814 JOHNSON CONTROLS 37 APPENDIX C TYPICAL UNIT WIRING SCHEMATICS ...

Page 38: ...FORM 145 29 IOM2 814 38 JOHNSON CONTROLS ...

Page 39: ...FORM 145 29 IOM2 814 JOHNSON CONTROLS 39 ...

Page 40: ...FORM 145 29 IOM2 814 40 JOHNSON CONTROLS ...

Page 41: ...FORM 145 29 IOM2 814 JOHNSON CONTROLS 41 ...

Page 42: ...FORM 145 29 IOM2 814 42 JOHNSON CONTROLS ...

Page 43: ...FORM 145 29 IOM2 814 JOHNSON CONTROLS 43 TYPICAL VFD UNIT WIRING SCHEMATIC ...

Page 44: ...FORM 145 29 IOM2 814 44 JOHNSON CONTROLS TYPICAL ECONOMIZER WIRING SCHEMATICS SINGLE AND DUAL STAGE SHOWN DSV060B Economizer Schematic DSV096B DSV300B Economizer Schematic ...

Page 45: ...FORM 145 29 IOM2 814 JOHNSON CONTROLS 45 NOTES ...

Page 46: ...FORM 145 29 IOM2 814 46 JOHNSON CONTROLS ...

Page 47: ...must be at least 700 psig high side and 180 psig low side with 550 psig retard All hoses must have a service pressure rating of 800 psig Leak detectors must be designed to detect HFC refrigerants Systems must be charged with refrigerant Use a commercial type metering device in the manifold hose R 410A can only be used with POE type oils POE type oils rapidly absorb moisture from the atmosphere Vac...

Page 48: ... USA 17405 1592 800 861 1001 Subject to change without notice Printed in USA Copyright by Johnson Controls 2014 www johnsoncontrols com ALL RIGHTS RESERVED Form 145 29 ICOM2 814 Issue Date August 25 2014 Supersedes 145 29 ICOM2 812 ...

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