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DTC/DTH
LIGHT COMMERCIAL
3
5 T
TO
ON
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-1016D
6/2017
SERIES
PACKAGED HEATING AND COOLING UNIT
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2015 - 2017
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikinac.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 .................................................................... 6
Circulating Air and Filters ...................................................... 8
Condensate Drain Connection .............................................. 8
Startup, Adjustments, and Checks ........................................ 9
Air Flow Adjustments ......................................................... 10
Heat Pump Operation ......................................................... 11
Maintenance ...................................................................... 12
Troubleshooting .................................................................. 13
Appendix A Blower Performance Tables ............................. 14
Direct Drive ..................................................................... 14
DTC/DTH048 Standard Horizontal ............................... 15
DTC/DTH060 Standard Down Shot .............................. 16
DTC/DTH060 Standard Horizontal ............................... 17
Appendix B Electrical Data .................................................. 18
Appendix B Electrical Data .................................................. 19
Appendix C Unit Dimensions ............................................... 20
Wiring Diagrams ................................................................. 21
Wiring Diagrams for Models With DDC Controls.................. 25
Startup Checklist ................................................................. 34
Index
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Summary of Contents for Daikin DTH Series
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS DTC/DTH SERIES LIGHT COMMERCIAL PACKAGED HEATING AND COOLING UNIT 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 ........... 5 Rigging Details .............. -
Page 2: Replacement Parts
BIRTH sheet for light commercial models. Specification sheets can be DEFECTS OR OTHER REPRODUCTIVE HARM found at www.daikinac.com for Daikin brand products. Within the website, please select the commercial products menu and then WARNING select the submenu for the type of product to be installed, such... -
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 REFRIGERANTS IN THIS UNIT AILURE TO FOLLOW THESE REGULATIONS MAY HARM... -
Page 4: Clearances
• To avoid possible illness or death of the building occupants, Full perimeter roof curbs are available from the factory and are do NOT locate outside air intake device (economizer, shipped unassembled. Field assembly, squaring, leveling and manual fresh air intake, motorized fresh air intake) too mounting on the roof structure are the responsibility of the in- close to an exhaust outlet, gas vent termination, or stalling contractor. -
Page 5: Roof Curb Post-Installation Checks
ROOF TOP DUCT CONNECTIONS *In situations that have multiple units, a 48” minimum clearance is required between the condenser coils. Install all duct connections on the unit before placing the unit on Adequate clearance around the unit should be kept for safety, ser- rooftop. -
Page 6: Electrical Wiring
• Unit must be lifted by the four lifting holes located at the S hipping O pe ra t ing C o rne r We ight s ( lbs ) X ( in) Y ( in) We ight We ight base frame corners. - Page 7 • Remove plug in panel located at the condenser end of CAUTION unit and route conduit to control box. Remove plug in control box and connect power wiring to the contactor ONDUIT AND FITTINGS MUST BE WEATHER TIGHT TO PREVENT closest to the entrance.
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Page 8: Circulating Air And Filters
NOTE: Field-supplied conduit may need to be installed depending Supply voltage to roof top unit must not vary by more than 10% of on unit/curb configuration. Use #18 AWG solid conductor wire the value indicated on the unit’s data plate. Phase voltage unbal- ance must not exceed 2%. -
Page 9: Startup, Adjustments, And Checks
STARTUP, ADJUSTMENTS, AND CHECKS ONTRACTOR ESPONSIBILITY The installing contractor must be certain that: WARNING • All supply and return air ductwork is in place, properly sealed, and corresponds with installation instructions. HIGH VOLTAGE! • All thermostats are mounted and wired in accordance O AVOID PERSONAL INJURY OR DEATH DUE TO with installation instructions. -
Page 10: Air Flow Adjustments
Three Phase Models Only TART ROCEDURE AND HECKLIST Begin with power turned off at all disconnects. 2) MAXIMUM VOLTAGE DEVIATIONS FROM AVERAGE VOLTAGE 3) PERCENT VOLTAGE = 100 X UNBALANCE ONDITIONING TART ROCEDURE 1) AVERAGE VOLTAGE 1. Turn thermostat system switch to “Cool,” and fan switch HOW TO USE THE FORMULA: to “Auto”... -
Page 11: Heat Pump Operation
12. If the outdoor ambient is above 80°F, the unit may trip on HEAT PUMP OPERATION its high pressure cut out when on heating. The compressor should stop. The heating cycle must be thoroughly OOLING YCLE checked, so postpone the test to another day when When the heat pump is in the cooling cycle, it operates exactly as conditions are more suitable but-DO NOT FAIL TO TEST. -
Page 12: Maintenance
MAINTENANCE 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 WARNING O PREVENT PERSONAL INJURY OR DEATH DUE TO IMPROPER INSTALLATION ADJUSTMENT ALTERATION... -
Page 13: Troubleshooting
3. Valve will not shift: ABINET INISH AINTENANCE a. Undercharged - check for leaks; Use a fine grade automotive wax on the cabinet finish to maintain b. Valve Body Damaged - Replace valve; the finish’s original high luster. This is especially important in in- stallations with extended periods of direct sunlight. -
Page 14: Appendix A Blower Performance Tables
APPENDIX A BLOWER PERFORMANCE TABLES DIRECT DRIVE STANDARD DOWN SHOT AND HORIZONTAL STANDARD DTC/DTH036 DOWNSHOT HORIZONTAL EXTERNAL EXTERNAL SPEED STANDARD SPEED STANDARD STATIC AMPS WATTS STATIC AMPS WATTS PRESSURE (ESP) PRESSURE (ESP) 0.50 1018 0.47 0.52 0.49 0.55 0.53 0.59 0.55 0.62 0.59... -
Page 15: Dtc/Dth048 Standard Horizontal
APPENDIX A BLOWER PERFORMANCE TABLES DIRECT DRIVE STANDARD DOWN SHOT AND HORIZONTAL STANDARD DTC/DTH048 DOWNSHOT HORIZONTAL EXTERNAL STATIC EXTERNAL STATIC SPEED STANDARD SPEED STANDARD PRESSURE (ESP) AMPS WATTS PRESSURE (ESP) in AMPS WATTS in w.c. w.c. 1286 0.82 1346 0.77 1205 0.86 1286... -
Page 16: Dtc/Dth060 Standard Down Shot
APPENDIX A BLOWER PERFORMANCE TABLES DIRECT DRIVE STANDARD DTC/DTH060 DOWN SHOT EXTERNAL STATIC SPEED STANDARD PRESSURE (ESP) AMPS WATTS in w.c. 0.10 1334 1.65 0.20 1286 1.75 0.30 1212 1.83 0.40 1144 1.94 0.50 1077 1.99 0.60 1039 2.10 0.70 2.17 0.80 2.27... -
Page 17: Dtc/Dth060 Standard Horizontal
APPENDIX A BLOWER PERFORMANCE TABLES DIRECT DRIVE STANDARD DTC/DTH060 HORIZONTAL EXTERNAL STATIC SPEED STANDARD PRESSURE (ESP) AMPS WATTS in w.c. 0.10 1355 1.57 0.20 1281 1.66 0.30 1235 1.76 0.40 1168 1.81 0.50 1118 1.94 0.60 1049 2.03 0.70 2.10 0.80 2.14 0.90... -
Page 18: Appendix B Electrical Data
APPENDIX B ELECTRICAL DATA Compressor Compressor Optional Powered Electrical Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Model Number Circuit 1 Circuit 2 Convienience Outlet Rating Type Part # 22.9 / 22.9 35 / 35 EHK1-10 7.5 / 10.0 36.1 / 41.7 50.0 / 57.0 50 / 60... -
Page 19: Appendix B Electrical Data
APPENDIX B ELECTRICAL DATA Compressor Compressor Optional Powered Electrical Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Model Number Circuit 1 Circuit 2 Convienience Outlet Rating Type Part # 40.2 / 40.2 60 / 60 EHK1-10 7.5 / 10.0 36.1 / 41.7 53.8 / 60.8 60 / 70... -
Page 20: Appendix C Unit Dimensions
APPENDIX C UNIT DIMENSIONS 47 1/2” 73 1/4” 74 1/16” Model Size Dim A 3 & 4 Ton 38-13/16" 48 3/16” 5 Ton 42-13/16" 19 7/16” 4 7/8” RETURN 11” x 25” DRAIN THRU CURB EMBOSS LOCATION 5 7/8” 7 3/8” THRU THE BASE RETURN... -
Page 21: Wiring Diagrams
DTC0[36-60]XXX1DXXX WIRING DIAGRAMS NOTE 3 NOTE 4 YL/PK PLF 2 NOTE 5 LVJB RCCF SEE NOTE 2 PLF 1 CONTROL BOX YL/PK BL/PK COMP SMOKE/FIRE DETECTOR REPLACES JUMPER FACTORY WIRING COMPONENT LEGEND LINE VOLTAGE SUPPLY VOLTAGE LOW VOLTAGE CONTACTOR 208-240/1/60 OPTIONAL HIGH VOLTAGE CONDENSER MOTOR OPTIONAL LOW VOLTAGE... - Page 22 DTH0[36-60]XXX1DXXX WIRING DIAGRAMS NOTE 7 YL/PK YL/PK SEE NOTE 4 NOTE 6 PLF 2 NOTE 5 LVDR 0-RV LVJB C-RV PLF 1 HVDR RCCF CONTROL SEE NOTE 2 REPLACE BL/PK BL/PK JUMPER WITH SMOKE/FIRE DETECTOR COMP NOTE 6 COMPONENT LEGEND FACTORY WIRING LINE VOLTAGE CONTACTOR...
- Page 23 WIRING DIAGRAMS DTC(36-60)XXX3DXXXX NOTE 3 NOTE 4 YL/PK PLF 2 LVJB TB 1 RCCF SEE NOTE 2 PLF 1 CONTROL BOX YL/PK BL/PK COMP SMOKE/FIRE DETECTOR REPLACES JUMPER COMPONENT LEGEND FACTORY WIRING LINE VOLTAGE CONTACTOR SUPPLY VOLTAGE LOW VOLTAGE CONDEN SER MOTOR 208-240/1/60 OPTIONAL HIGH VOLTAGE COMP...
- Page 24 DTH(36-60)XXX3DXXXX WIRING DIAGRAMS SEE NOTE 6 SEE NOTE 3 YL/PK YL/PK NOTE 4 PLF 2 LVDR SEE NOTE 6 0-RV LVJB C-RV PLF 1 HVDR RCCF CONTROL BOX REPLACE JUMPE R WITH SEE NOTE 2 BL/PK BL/PK SMOKE/FIRE DETECTOR COMP COMPONENT L EGEND FA CTORY W IRING CONTACTOR...
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Page 25: 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 26 WIRING DIAGRAMS DTC036/DTC048/DTC060*** [208-230V/1/60]D*** 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 DTC036/DTC048/DTC060*** [208-230V/1/60]D*** 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 DTC036/DTC048/DTC060*** [208-230V/3/60]D*** 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 DTC036/DTC048/DTC060*** [208-230V/3/60]D*** 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 DTH036/DTH048/DTH060*** [208-230V/1/60]D*** Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 31 WIRING DIAGRAMS DTH036/DTH048/DTH060*** [208-230V/1/60]D*** 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 DTH036/DTH048/DTH060*** [208-230V/3/60]D*** 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 DTH036/DTH048/DTH060*** [208-230V/3/60]D*** 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: Startup 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 NOTE: Refer to IOD-7006 included in the literature pack for installing horizontal duct covers. © 2015 - 2017 • Products • Contractor Programs and Training • Parts • Customer Services • Warranties • Finance Options Visit our website at www.daikinac.com...
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