Table of Contents
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DCC
SERIES
LIGHT COMMERCIAL PACKAGED HEATING AND COOLING UNIT
15 to 25 T
ON
NOTE: 15 & 20 ton model shown in picture.
25 ton model has 2 fans.
ATTENTION INSTALLING PERSONNEL:
Prior to installation, thoroughly familiarize yourself with
this Installation Manual. Observe all safety warnings. Dur-
ing installation or repair, caution is to be observed.
It is your responsibility to install the product safely and to
educate the customer on its safe use.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
These installation instructions cover the outdoor installation of
single package heating and cooling units. See the Specification
Sheet applicable to your model for information regarding
accessories.
*NOTE: Please contact your distributor or our website for the
applicable Specification Sheet referred to in this manual.
IOD-1003H
6/2017
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2013, 2015-2017
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikinac.com
INSTALLATION INSTRUCTIONS
Index
Replacement Parts ................................................................ 2
Safety Instructions ................................................................ 2
General Information ............................................................. 2
Unit Location ........................................................................ 3
Clearances ............................................................................ 5
Roof Curb Post-Installation Checks ....................................... 6
Roof Top Duct Connections ................................................... 6
Rigging Details ...................................................................... 6
Electrical Wiring .................................................................... 7
Circulating Air and Filters ...................................................... 9
Condensate Drain Connection .............................................. 9
Startup, Adjustments, and Checks ...................................... 10
Airflow Adjustments ........................................................... 11
Motor Sheave Adjustments ................................................ 12
Maintenance ...................................................................... 13
Appendix A Blower Performance Data ................................ 15
Belt Drive - Standard ..................................................... 15
Belt Drive - High Static ................................................... 16
Appendix A Economizer Pressure Drop................................17
Appendix B Electrical Data .................................................. 18
Appendix C Unit Dimensions ............................................... 21
Appendix D Wiring Diagrams .............................................. 22
Wiring Diagrams for Models With DDC Controls.................. 29
Start-up Checklist ................................................................ 34
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Summary of Contents for Daikin DCC180
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS SERIES LIGHT COMMERCIAL PACKAGED HEATING AND COOLING UNIT 15 to 25 T Index Replacement Parts ..............2 Safety Instructions ..............2 General Information ............. 2 Unit Location ................ 3 Clearances ................5 Roof Curb Post-Installation Checks ........6 Roof Top Duct Connections ........... -
Page 2: Replacement Parts
Specification sheets can be found at www.daikincomfort.com for Daikin brand prod- ucts. Within the website, please select the residential or com- mercial products menu and then select the submenu for the type... -
Page 3: Unit Location
To assure that your unit operates safely and efficiently, it must be 4. File the claim with the following supporting documents: installed, operated, and maintained in accordance with these in- a. Original Bill of Lading, certified copy, or indemnity bond. stallation and operating instructions, all local building codes and b. - Page 4 • Do not locate the unit in an area where the outdoor air RECAUTIONS (i.e. combustion air for the unit) will be frequently • Do not stand or walk on the unit. contaminated by compounds containing chlorine or • Do not drill holes anywhere in panels or in the base frame fluorine.
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Page 5: Clearances
• Sufficient structural support must be determined prior to LIFT OVER APPROXIMATE CENTER OF UNIT locating and mounting the curb and package unit. SPREADER BARS MUST BE USED WITH • Ductwork must be constructed using industry guidelines. LIFTING STRAPS THAT ARE LESS THAN 16 FEET LONG The duct work must be placed into the roof curb before... -
Page 6: Roof Curb Post-Installation Checks
CAUTION O NOT LIFT UNITS TWO AT A TIME ROVISIONS FOR FORKS HAVE BEEN INCLUDED IN THE UNIT BASE FRAME INIMUM FORK LENGTH IS 72” TO PREVENT DAMAGE TO THE UNIT Provisions for forks have been included in the unit base frame. No other fork locations are approved. -
Page 7: Electrical Wiring
IGGING EMOVAL CAUTION HEN UNIT IS SUSPENDED BOARDS AND SHIPPING BRACE WILL DROP WHEN CAUTION , STAND CLEAR. SCREWS ARE REMOVED O PREVENT PERSONAL INJURY EMOVE FORK HOLE BRACKETS BOARDS AND SHIPPING BRACE FROM BOTTOM O PREVENT DAMAGE TO THE UNIT DO NOT ALLOW CRANE HOOKS OF UNIT BEFORE PLACING UNIT ONTO CURB AND SPREADER BARS TO REST ON THE ROOF OF THE UNIT... - Page 8 NOTE: If supply voltage is 208V, all leads on primary of transformer(s) must be moved from the 230V to the 208V tap. Main power wiring should be sized for the minimum circuit Line voltage connects to middle contactor ampacity shown on the unit’s data plate. Size wires in accordance on 460v and 575v with the ampacity tables in Article 310 of the National Electrical Gas Packs...
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Page 9: Circulating Air And Filters
3. Use #18 AWG wire for 24V control wiring runs not WARNING exceeding 75 feet. Use #16 AWG wire for 24V control wiring runs not exceeding 125 feet. Use #14 AWG wire for 24V control wiring runs not exceeding 200 feet. Low voltage AILURE OF UNIT DUE TO OPERATION ON IMPROPER LINE VOLTAGE OR WITH EXCESSIVE PHASE UNBALANCE CONSTITUTES PRODUCT wiring may be National Electrical Code (NEC) Class 2 where... -
Page 10: Startup, Adjustments, And Checks
WARNING Base Rail MOVING MACHINERY HAZARD! Open Vent 2” Min O PREVENT POSSIBLE PERSONAL INJURY OR DEATH DISCONNECT “OFF” POWER TO THE UNIT AND PADLOCK IN THE POSITION BEFORE SERVICNG FANS See NOTE EATING TARTUP On new installations, or if a major component has been replaced, the operation of the unit must be checked. -
Page 11: Airflow Adjustments
rating of the motor. The amperage must not exceed the service BSTRUCTIONS LEARANCE AND IRING factor stamped on the motor nameplate. The total airflow must Remove any extraneous construction and shipping materials that not be less than that required for operation of the electric heaters may be found during this procedure. -
Page 12: Motor Sheave Adjustments
belt at the midpoint of the span length. Belt tension force can be NOTE: Future adjustments should be made by loosening the belt measured using a belt tension gauge, available through most belt tension and increasing or decreasing the pitch diameter of the drive manufacturers. -
Page 13: Maintenance
6. Slowly lower the cooling temperature until first stage COOL WARNING (LOW COOL) starts. The blower, both fans, and first stage compressor should now be operating. Allow the unit to HIGH VOLTAGE! run 10 minutes, make sure cool air is being supplied by ISCONNECT ALL POWER BEFORE SERVICING OR the unit. - Page 14 Dirty throwaway filters should be discarded and replaced with a CAUTION new, clean filter. Disposable return air filters are supplied with this unit. See the HEET METAL PARTS SCREWS CLIPS AND SIMILAR ITEMS INHERENTLY unit Specification Sheet or Technical Manual for the correct size HAVE SHARP EDGES AND IT IS NECESSARY THAT THE INSTALLER AND and part number.
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Page 15: Appendix A Blower Performance Data
APPENDIX A BLOWER PERFORMANCE DATA BELT DRIVE - STANDARD DCC180 STANDARD BELT DRIVE (includes 2 speed models at high speed) TURNS OPEN ESP, In H 7203 2.18 6718 1.94 7306 2.54 6777 2.14 6257 1.80 5711 1.66 7477 2.97 6899 2.51... -
Page 16: Belt Drive - High Static
APPENDIX A BLOWER PERFORMANCE DATA BELT DRIVE - HIGH STATIC DCC180 HIGH STATIC BELT DRIVE TURNS OPEN ESP, In H 7120 3.26 6223 2.55 6927 3.39 5924 2.61 6739 3.52 5602 2.65 6587 3.69 5245 2.67 6419 3.84 4877 2.70 6261 4.01... -
Page 17: Appendix A Economizer Pressure Drop
APPENDIX A ECONOMIZER PRESSURE DROP Airflow Pressure Drop of Downflow Economizer for 15 to 25 Ton Rooftop Units (100% Return Air) 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 9500 10000 SCFM 0.15 0.18 0.22 0.27 0.32 0.37 0.42 0.48 0.55... -
Page 18: Appendix B Electrical Data
APPENDIX B ELECTRICAL DATA Compressor Compressor Optional Powered Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Model Electrical Circuit 1 Circuit 2 Convienience Outlet Number Rating Type Part # 71.5 / 71.5 90 / 90 21.6 / 28.8 60.0 / 69.3 86.5 / 98.1 90 / 100... - Page 19 APPENDIX B ELECTRICAL DATA Compressor Compressor Optional Powered Outdoor Fan Motor Indoor Fan M otor Optional Electric Heat Power Supply Model Electrical Circuit 1 Circuit 2 Convienience Outlet Number Rating Type Part # KW * M CA 96.2 / 96.2 125 / 125 21.6 / 28.8...
- Page 20 APPENDIX B ELECTRICAL DATA Compressor Compressor Optional Powered Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Model Electrical Circuit 1 Circuit 2 Convienience Outlet Number Rating Type Part # 132 / 132 175 / 175 21.6 / 28.8 60.0 / 69.3 132 / 132 175 / 175...
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Page 21: Appendix C Unit Dimensions
APPENDIX C UNIT DIMENSIONS Model 15 Ton 88-7/32" 50-9/32" 5-5/32" 133-1/2" 20 Ton 25 Ton 133-1/2" 88-7/32" 53-9/32" 5-5/32" NOTE: 15 & 20 ton models have 3 fans. 25 ton models have 2 fans. 21” 60” 7” 48” 22” VERTICAL DISCHARGE (TOP VIEW) -
Page 22: Appendix D Wiring Diagrams
APPENDIX D WIRING DIAGRAMS WIRING DIAGRAMS DCC180*/DCC240* 208-230, 460, 575 / 3 / 60 1 SPEED Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. - Page 23 WIRING DIAGRAMS DCC180*/DCC240* 208-230, 460, 575 / 3 / 60 1 SPEED Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 24 WIRING DIAGRAMS DCC180*/DCC240* 208-230, 460, 575 / 3 / 60 2 SPEED Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 25 WIRING DIAGRAMS DCC180*/DCC240* 208-230, 460, 575 / 3 / 60 2 SPEED Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 26 WIRING DIAGRAMS DCC300* 208-230, 460, 575 / 3 / 60 1 SPEED POWER DIAGRAM DCC300 ***(3,4,7) LINE VOLTAGE CCAS1 CCH1 COMP 1 CCAS2 CCH2 COMP 2 CMC 1 FB 1 T3 T2 T1 LAC MC CMC 2 24V CNTL VOLTAGE LINE COMPONENT LEGEND VOLTAGE...
- Page 27 WIRING DIAGRAMS DCC300* 208-230, 460, 575 / 3 / 60 1 SPEED Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 28 WIRING DIAGRAMS DCC300* 208-230, 460, 575 / 3 / 60 2 SPEED THERMOSTAT WIRING SMOKE DETECTOR FIELD 2 STAGE COOLING CONTROL WIRING CLASS 2 SENSOR 1 SEN1 AUX A SUPPLY (LINE) VOLTAGE SENSOR 2 SEN2 AUX B 24 VAC SMK DET STAT OPTION CCR1...
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Page 29: Wiring Diagrams For Models With Ddc Controls
WIRING DIAGRAMS FOR MODELS WITH DDC CONTROLS For complete information and installation instructions for models with DDC controls, see manual DK-DDC-TGD-XXX... - Page 30 DCC180*/ DCC240* 208-230, 460, 575 / 3 / 60 1&2 SPEED WIRING DIAGRAMS POWER WIRING DIAGRAM LINE VOLTAGE DCC(180-240) CCAS1 CCH1 COMP 1 CCAS 2 CCH2 COMP 2 HVTB BK BK LINE VOLTAGE HIGH SPEED BC 2 SPEED FACTORY WIRING...
- Page 31 WIRING DIAGRAMS DCC180*/ DCC240* 208-230, 460, 575 / 3 / 60 1 SPEED CONTROL WIRING DIAGRAM DCC(180-240)****B Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 32 WIRING DIAGRAMS DCC180*/ DCC240* 208-230, 460, 575 / 3 / 60 2 SPEED CONTROL WIRING DIAGRAM DCC(180-240)****V Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 33 WIRING DIAGRAMS DCC300* 208-230, 460, 575 / 3 / 60 1&2 SPEED Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
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Page 34: Start-Up Checklist
Start-up Checklist *Store in job file Date: ___________________________________ Location: __________________________________________ Model Number: ___________________________________ __________________________________________ Serial Number: ___________________________________ __________________________________________ Technician: ___________________________________ Unit #: __________________________________________ Pre Start-Up (Check each item as completed) Verify all packaging material has been removed. Remove all shipping brackets per installation instructions. Verify the job site voltage agrees with the unit serial plate. - Page 35 Start-up Checklist Start-Up (Insert the values as each item is completed.) ELECTRICAL Supply Voltage L1 - L2 L2 - L3 L3 - L1 Circuit 1 Compressor Amps Circuit 2 Compressor Amps Blower Amps Condenser Fan Amps Fan 1 Fan 2 Fan 3 BLOWER EXTERNAL STATIC PRESSURE Return Air Static Pressure...
- Page 36 Our continuing commitment to quality products may mean a change in specifications without notice. © 2013, 2015-2017 5151 San Felipe St., Suite 500, Houston, TX 77056 www.daikincomfort.com...