Daikin DCC Series Installation Instructions Manual
Light commercial packaged heating and cooling unit 7.5 to 12.5 ton
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- Installation instructions manual (48 pages) ,
- Service instructions manual (135 pages) ,
- Installation instructions manual (32 pages)
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DCC/DCH
LIGHT COMMERCIAL PACKAGED HEATING AND COOLING UNIT
7.5 to 12.5 T
ON
ATTENTION INSTALLING PERSONNEL:
Prior to installation, thoroughly familiarize yourself with this
Installation Manual. Observe all safety warnings. During in-
stallation 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-1002D
12/2014
SERIES
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2014
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
Replacement Parts ................................................................ 2
Safety Instructions ................................................................ 2
General Information ............................................................. 2
Unit Location ........................................................................ 3
Clearances ............................................................................ 4
Roof Curb Post-Installation Checks ....................................... 5
Roof Top Duct Connections ................................................... 5
Rigging Details ...................................................................... 5
Electrical Wiring .................................................................... 7
Circulating Air and Filters ...................................................... 9
Condensate Drain Connection .............................................. 9
Startup, Adjustments, and Checks ..................................... 10
Air flow Adjustments .......................................................... 11
Motor Sheave Adjustments ................................................ 12
Heat Pump Operation ......................................................... 14
Maintenance ...................................................................... 15
Troubleshooting .................................................................. 15
Appendix A Blower Performance Data ................................ 17
Belt Drive - Standard Down Shot ................................... 17
Belt Drive - Standard Horizontal .................................... 18
Belt Drive - High Static Down Shot ................................. 19
Belt Drive - High Static Horizontal .................................. 20
Appendix B Electrical Data .................................................. 21
Appendix C Unit Dimensions ............................................... 22
Index
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Table of Contents
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Summary of Contents for Daikin DCC Series
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS DCC/DCH SERIES LIGHT COMMERCIAL PACKAGED HEATING AND COOLING UNIT 7.5 to 12.5 T Index Replacement Parts ..............2 Safety Instructions ..............2 General Information ............. 2 Unit Location ................ 3 Clearances ................4 Roof Curb Post-Installation Checks ........5 Roof Top Duct Connections ........... -
Page 2: Replacement Parts
Specification sheets WARNING can be found at www.daikincomfort.com for Daikin brand prod- ucts. Within either website, please select the residential or com- HIS PRODUCT CONTAINS OR PRODUCES A CHEMICAL OR CHEMICALS... -
Page 3: Unit Location
EPA R d. Copy of the inspection report issued by carrier EGULATIONS representative at the time damage is reported to the (EPA) MPORTANT NITED TATES NVIRONMENTAL ROTECTION GENCY carrier. The carrier is responsible for making prompt HAS ISSUED VARIOUS REGULATIONS REGARDING THE INTRODUCTION AND DISPOSAL inspection of damage and for a thorough investigation of OF REFRIGERANTS IN THIS UNIT AILURE TO FOLLOW THESE REGULATIONS MAY... -
Page 4: Clearances
• When the unit is heating, the temperature of the return WARNING air entering the unit must be between 50°F and 100°F. ROUND EVEL NSTALLATIONS O PREVENT POSSIBLE EQUIPMENT DAMAGE PROPERTY DAMAGE PERSONAL INJURY OR DEATH THE FOLLOWING BULLET POINTS MUST •... -
Page 5: Roof Curb Post-Installation Checks
Adequate clearance around the unit should be kept for safety, ser- CAUTION vice, maintenance, and proper unit operation. A total clearance of 75” on the main control panel side of the unit is recommended to facilitate possible fan shaft, coil, electric heat and gas furnace re- F PROTRUSIONS EXIST DO NO ATTEMPT TO SET UNIT ON CURB moval. - Page 6 WARNING O PREVENT POSSIBLE EQUIPMENT DAMAGE, PROPERTY DAMAGE, PERSONAL INJURY OR DEATH, THE FOLLOWING BULLET POINTS MUST BE OBSERVED WHEN INSTALLING THE UNIT. • Unit must be lifted by the four lifting holes located at the base frame corners. • Lifting cables should be attached to the unit with shackles. •...
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Page 7: Electrical Wiring
To assist in determining rigging requirements, unit weights are Bring condenser end of unit into alignment with the curb. With shown as follows: condenser end of the unit resting on curb member and using curb as a fulcrum, lower opposite end of the unit until entire unit is seated on the curb. - Page 8 The main power supply wiring to the unit and low voltage wiring to accessory controls must be done in accordance with these in- structions, the latest edition of the National Electrical Code (ANSI/ NFPA 70), and all local codes and ordinances. All field wiring shall conform with the temperature limitations for Type T wire (63°F/ 35°C rise).
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Page 9: Circulating Air And Filters
CIRCULATING AIR AND FILTERS DIMPLES MARK DRILL LOCATIONS UCTWORK The supply duct from the unit through a wall may be installed with- HIGH VOLTAGE ENTRANCE out clearance. However, minimum unit clearances must be main- tained (see “Clearances” section). The supply duct should be pro- 10 3/16”... -
Page 10: Startup, Adjustments, And Checks
STARTUP, ADJUSTMENTS, AND CHECKS the warranty. After the machines are used for temporary heating or cooling, inspect the coils, fans, and motors for unacceptable levels of construction dust and dirt and install new filters. WARNING ONTRACTOR ESPONSIBILITY HIGH VOLTAGE! The installing contractor must be certain that: O AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK OND THE FRAME OF THIS UNIT TO... -
Page 11: Air Flow Adjustments
Utilization Voltage - The voltage of the line terminals of the equip- VAPORATOR OTATION HECK HREE HASE ODELS ment at which the equipment must give fully satisfactory perfor- Check that fan rotates counter-clockwise when viewed from the mance. Once it is established that supply voltage will be maintained drive side of unit and in accordance with rotation arrow shown on within the utilization range under all system conditions, check and blower housing. -
Page 12: Motor Sheave Adjustments
Upon completion of the air flow balancing, we recommend replac- ing the variable pitched motor sheave with a properly-sized fixed DEFLECTION SHEAVE TYPE DEFLECTION sheave. A matching fixed sheave will provide longer belt and bear- FORCE (lbs) MODEL DIAMETE (in) ing life and vibration free operation. - Page 13 9. Turn the thermostat system switch to “OFF” and disconnect all power when servicing the unit. WARNING HIGH VOLTAGE! ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT ULTIPLE POWER SOURCES MAY BE PRESENT AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH TART...
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Page 14: Heat Pump Operation
INAL YSTEM HECKS 1. Check to see if all supply and return air grilles are adjusted and the air distribution system is balanced for the best compromise between heating and cooling. 2. Check for air leaks in the ductwork. See Sections on Air Flow Adjustments. -
Page 15: Maintenance
EFROST ONTROL ILTERS : DCH models have one stage of mechanical heating. The de- frost accumulation period will start when either first or second stage CAUTION defrost thermostat closes. Defrost termination occurs when both thermostats open or the 10 minute cycle has completed. O PREVENT PROPERTY DAMAGE DUE TO FIRE AND LOSS OF EQUIPMENT EFFICIENCY OR EQUIPMENT DAMAGE DUE TO DUST AND LINT During operation the power to the circuit board is controlled by a... - Page 16 UTSIDE IR INTO ETURN ALFUNCTIONING EVERSING ALVE HIS MAY BE DUE TO Do not introduce cold outside air into the return duct of a heat 1. Solenoid not energized - In order to determine if the pump installation. For units with 2-speed motors, do not allow air solenoid is energized, touch the nut that holds the solenoid entering the indoor coil to drop below 65°...
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Page 17: Appendix A Blower Performance Data
APPENDIX A BLOWER PERFORMANCE DATA BELT DRIVE - STANDARD DOWN SHOT DCC/DCH090 STANDARD BELT DRIVE DOWN SHOT INCLUDES 2 SPEED MODELS AT HIGH SPEED TURNS OPEN ESP, In 3617 1.07 3293 0.84 3541 1.15 3179 0.88 2757 0.66 3447 1.23 3049 0.94 2606... -
Page 18: Belt Drive - Standard Horizontal
APPENDIX A BLOWER PERFORMANCE DATA BELT DRIVE - STANDARD HORIZONTAL NOTE: For 2 Speed Models, blower performance data reflects High speed performance. DCC/DCH090 STANDARD BELT DRIVE HORIZONTAL INCLUDES 2 SPEED MODELS AT HIGH SPEED TURNS OPEN ESP, In 3625 1.08 3309 0.86 3815... -
Page 19: Belt Drive - High Static Down Shot
APPENDIX A BLOWER PERFORMANCE DATA BELT DRIVE - HIGH STATIC DOWN SHOT DCC/H090 DOWN SHOT HIGH STATIC BELT DRIVE TURNS OPEN ESP, In CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP 3401 1.51 3428... -
Page 20: Belt Drive - High Static Horizontal
APPENDIX A BLOWER PERFORMANCE DATA BELT DRIVE - HIGH STATIC HORIZONTAL DCC/H090 HORIZONTAL HIGH STATIC BELT DRIVE TURNS OPEN ESP, In CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP 3447 1.54 3398 1.65 3006... -
Page 21: Appendix B Electrical Data
APPENDIX B ELECTRICAL DATA ELECTRICAL DATA VOLTAGE OD FAN MOTORS ID FAN MOTOR 2 Speed ID Fan COMPRESSOR (ea) VOLTAGE LIMITATIONS (ea) (ea) Motor (ea) MODELS ID MOTOR APPL (NAMEPLATE) 208/230-60-3 13.1 83.1 1.40 BD STD STATIC 7.5 TON 460-60-3 41.0 0.80 BD STD STATIC... -
Page 22: Appendix C Unit Dimensions
APPENDIX C UNIT DIMENSIONS 12.5 52 7/8" 52 7/8" 52 7/8" 58 7/8" 99 1/8” 61 3/4” 12 5/8” 5 7/8” 28 3/8” 7 3/8” RETURN 36 3/8” 13 7/8” SUPPLY 6 1/2” 6 1/4” Horizontal Discharge RETURN NOTE For horizontal discharge, remove supply and return duct cover panels from the end of the unit. - Page 23 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 24 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...
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