Daikin DCC Series Installation Instructions Manual
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Daikin DCC Series Installation Instructions Manual

Light commercial packaged heating and cooling unit
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DCC/DCH
LIGHT COMMERCIAL PACKAGED HEATING AND COOLING UNIT
6 T
on
ATTENTION INSTALLING PERSONNEL:
Prior to installation, thoroughly familiarize yourself with
this Installation Manual. Observe all safety warnings.
During 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 installa-
tion 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-1025C
03/2019
SERIES
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2017, 2019
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
O
NLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL
(
, "
REPAIR
HEREINAFTER
SERVICE
MANUAL SHOULD SERVICE THE EQUIPMENT
BE RESPONSIBLE FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM
IMPROPER SERVICE OR SERVICE PROCEDURES
ASSUME RESPONSIBILITY FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY
. I
,
RESULT
N ADDITION
IN JURISDICTIONS THAT REQUIRE ONE OR MORE
LICENSES TO SERVICE THE EQUIPMENT SPECIFIED IN THIS MANUAL
LICENSED PERSONNEL SHOULD SERVICE THE EQUIPMENT
,
,
INSTALLATION
ADJUSTMENT
SERVICING OR REPAIR OF THE EQUIPMENT
,
SPECIFIED IN THIS MANUAL
OR ATTEMPTING TO INSTALL
REPAIR THE EQUIPMENT SPECIFIED IN THIS MANUAL WITHOUT PROPER
TRAINING MAY RESULT IN PRODUCT DAMAGE
.
INJURY OR DEATH
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
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 .......................................................................6
Circulating Air and Filters ........................................................8
Condensate Drain Connection ................................................8
Startup, Adjustments, and Checks .........................................9
Air Flow Adjustments .............................................................10
,
,
ADJUST
")
THE EQUIPMENT SPECIFIED IN THIS
. T
HE MANUFACTURER WILL NOT
. I
F YOU SERVICE THIS UNIT
. I
MPROPER
,
,
ADJUST
,
PROPERTY DAMAGE
WARNING
Index
SERVICE OR
,
YOU
,
ONLY
SERVICE OR
,
PERSONAL
0140M00517-A

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  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS DCC/DCH SERIES LIGHT COMMERCIAL PACKAGED HEATING AND COOLING UNIT NLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL ADJUST SERVICE OR , “ ”) REPAIR HEREINAFTER SERVICE THE EQUIPMENT SPECIFIED IN THIS MANUAL SHOULD SERVICE THE EQUIPMENT HE MANUFACTURER WILL NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER SERVICE OR SERVICE PROCEDURES F YOU SERVICE THIS UNIT...

  • Page 2: Replacement Parts

    Specification sheets can be found at www.daikinac.com for Daikin brand products. Within the website, please select the commercial products menu and then select the submenu for the type of product to be installed, such as air conditioners or heat pumps, to access a list of product pages that each contain links to that model’s specification sheet.

  • Page 3: Unit Location

    To assure that your unit operates safely and efficiently, it must a. Original Bill of Lading, certified copy, or indemnity be installed, operated, and maintained in accordance with bond. these installation and operating instructions, all local building b. Original paid freight bill or indemnity in lieu thereof. codes and ordinances.

  • Page 4: Clearances

    industrial processes may also be sources of chlorine/fluo- Full perimeter roof curbs are available from the factory and rine compounds. are shipped unassembled. Field assembly, squaring, level- ing and mounting on the roof structure are the responsibility • To avoid possible illness or death of the building occupants, of the installing contractor.

  • Page 5: Roof Curb Post-Installation Checks

    Maintain an adequate clearance around the unit for safety, OrizOntal isCharge service, maintenance, and proper unit operation. Leave a To convert to horizontal discharge, remove the covers over clearance of 48” on all sides of the unit for possible compres- the horizontal duct connections (save washered screws).

  • Page 6: Electrical Wiring

    Remove wood struts mounted beneath unit base frame be- Bring condenser end of unit into alignment with the curb. fore setting unit on roof curb. These struts are intended to With condenser end of the unit resting on curb member and protect unit base frame from fork lift damage.
  • Page 7 The unit is factory wired for the voltage shown on the unit’s MAIN POWER data plate. Refer to model nomenclature in Appendix B for LOW VOLTAGE BLOCK voltage requirement for your unit. NOTE: If supply voltage is 208V, lead on primary of trans- former(s) must be moved from the 230V to the 208V tap.

  • Page 8: Circulating Air And Filters

    Areas Without Convenience Outlet 2. Locate thermostat or remote sensor in the conditioned space where it will sense average temperature. Do not It is recommended that an independent 115V power source locate the device where it may be directly exposed to be brought to the vicinity of the roof top unit for portable supply air, sunlight or other sources of heat.

  • Page 9: Startup, Adjustments, And Checks

    Prior to the beginning of Startup, Adjustments, and Checks procedures, the following steps should be completed in the building. WARNING STANDARD MOVING MACHINERY HAZARD! SIDE DRAIN O PREVENT POSSIBLE PERSONAL INJURY OR DEATH DISCONNECT “OFF” DRAIN PLUG POWER TO THE UNIT AND PADLOCK IN THE POSITION BEFORE (FACTORY-INSTALLED) SERVICNG FANS...

  • Page 10: Air Flow Adjustments

    AIR FLOW ADJUSTMENTS bstruCtiOns learanCe and iring Remove any extraneous construction and shipping materi- NOTE: For 2 speed models, airflow adjustments must be als that may be found during this procedure. Rotate all fans made on high speed, i.e., 2nd stage cooling or in heat mode. manually to check for proper clearances and that they ro- Refer to “Motor Sheave Adjustments”...
  • Page 11 New V-belts will drop rapidly during the first few hours of earing heCk use. Check tension frequently during the first 24 hours of Prior to energizing any fans, check and make sure that all operation. Tension should fall between the minimum and setscrews are tight so that bearings are properly secured maximum force.
  • Page 12 After the cooling mode is checked out, turn the thermo- To confirm charge levels or, if a leak occurs and charge stat system switch to “OFF”. needs to be added to the system, it is recommended to evacuate the system and recharge refrigerant to the unit’s 10.
  • Page 13 listed at low load conditions and low ambient condensing temperatures. Values in Appendix B can slightly exceed at high load conditions and high ambient condensing tempera- tures. HEAT PUMP OPERATION OOling yCle When the heat pump is in the cooling cycle, it operates ex- actly as a Summer Air Conditioner unit.
  • Page 14 MAINTENANCE abinet inish aintenanCe Use a fine grade automotive wax on the cabinet finish to maintain the finish’s original high luster. This is especial- WARNING ly important in installations with extended periods of direct sunlight. HIGH VOLTAGE! ISCONNECT ALL POWER BEFORE SERVICING OR lean utside ualified...
  • Page 15 Unit Properly Charged - If it is on the heating cycle, raise alfunCtiOning eversing alve his may be due tO the discharge pressure by restricting airflow through the 1. Solenoid not energized - In order to determine if the so- indoor coil.
  • Page 16 APPENDIX A BLOWER PERFORMANCE TABLES BELT DRIVE DOWN SHOT DCC/DCH072 STANDARD BELT DRIVE DOWN SHOT (INCLUDES 2 SPEED MOTOR AT HIGH SPEED TURNS OPEN ESP, In 2771 1.27 2567 1.05 2421 0.88 2220 0.71 2753 1.38 2573 1.15 2382 0.95 2186 0.77 1980...
  • Page 17 APPENDIX A BLOWER PERFORMANCE TABLES BELT DRIVE HORIZONTAL TURNS OPEN ESP, In 2784 1.30 2582 0.83 2411 0.79 2814 1.34 2620 1.19 2342 0.72 2105 0.66 2665 1.34 2583 1.19 2398 1.06 2103 0.62 1902 0.57 2689 1.38 2492 1.22 2370 1.07 2142...
  • Page 18 APPENDIX B ELECTRICAL DATA Compressor Op�onal Powered Electrical Outdoor Fan Motor Indoor Fan Motor Op�onal Electric Heat Power Supply Model Number Circuit 1 Convienience Outlet Ra�ng Type Model 30.6 / 30.6 45 / 45 EHK3-10 7.5 / 10.0 20.8 / 24.0 32.0 / 36.0 45 / 45 EHK3-15...
  • Page 19 APPENDIX B ELECTRICAL DATA Compressor Op�onal Powered Outdoor Fan Motor(s) Indoor Fan Motor Op�onal Electric Heat Power Supply Electrical Model Number Circuit 1 Convienience Outlet Ra�ng Type Part # 30.6 / 30.6 45 / 45 EHK3-10 7.5 / 10.0 20.8 / 24.0 56.6 / 60.6 70 / 70 EHK3-15...
  • Page 20 MINIMUM AIR FLOW FOR ELECTRIC HEAT HEATER KIT UNIT MINIMUM CFM MODEL NUMBER EHK*-10 2100 EHK*-15 2100 6 TON EHK*-20 2100 EHK*-25 2100 ATTENTION INSTALLING PERSONNEL Use only the heater kit specified for each model as dictated by the table above.
  • Page 21 APPENDIX C UNIT DIMENSIONS 47 1/2” 73 1/4” 13/16”* 74 1/16” 48 3/16” 19 7/16” 11” 4 7/8” RETURN DRAIN 17” 7 3/8” THRU CURB EMBOSS LOCATION RETURN 5 7/8” 25” THRU THE BASE UTILITIES 12” SUPPLY SUPPLY 27 3/8” 4 1/2”...
  • Page 22 APPENDIX D WIRING DIAGRAMS WIRING DIAGRAMS DCC072* 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 DCH072* 208-230 / 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 DCH072* 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 25 WIRING DIAGRAMS DCH072* 208-230, 460, 575 / 3/ 60 2 SPEED SEN1 SEN2 SENSOR 1 SENSOR 2 AUX B AUX A AC/DC 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 DCH072* 208-230 / 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 27 WIRING DIAGRAMS DCH072* 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 28 WIRING DIAGRAMS DCC072* 203-230, 460, 575 / 3 / 60 2 SPEED SEN1 SEN2 SENSOR 1 SENSOR 2 AUX A AUX B AC/DC Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 29 WIRING DIAGRAMS DCC072* 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 30 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 31 WIRING DIAGRAMS DCC072* 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 32 WIRING DIAGRAMS DCC072* 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 33 WIRING DIAGRAMS DCH072* 208-230 / 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 34 WIRING DIAGRAMS DCH072* 208-230 / 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 35 WIRING DIAGRAMS DCH072* 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 36 WIRING DIAGRAMS DCH072* 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 37 WIRING DIAGRAMS DCC072* 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 38 WIRING DIAGRAMS DCC072* 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 39 WIRING DIAGRAMS DCH072* 208-230 / 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 40 WIRING DIAGRAMS DCH072* 208-230 / 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 41 WIRING DIAGRAMS DCH072* 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 42 WIRING DIAGRAMS DCH072* 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 43 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 44 Start-up Checklist Start-Up (insert the value 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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  • Page 48 CUSTOMER FEEDBACK Daikin is very interested in all product comments. Please fill out the feedback form on the following link: https://daikincomfort.com/contact-us You can also scan the QR code on the right to be directed to the feedback page.

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