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DSC/DSH Series Light Commercial Packaged Heating and
Cooling Unit 7.5T to 12.5T
Installation Instructions
Our continuing commitment to quality products may mean a change in specifications without notice.
©2024
IOD-1071A
09/2024
ナンバー ：
B150
会社名 ：
DAIKIN COMFORT TECHNOLOGIES MANUFACTURING, L.P.
作 成日 ：
2022/2/25
19001 Kermier Rd., Waller, TX 77484
ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, ADJUST,
SERVICE, MAINTENANCE OR REPAIR
(HEREINAFTER, "SERVICE") THE EQUIPMENT SPECIFIED IN THIS
MANUAL SHOULD SERVICE THE EQUIPMENT.
THIS EQUIPMENT IS NOT INTENDED FOR USE BY
PERSONS (INCLUDING CHILDREN) WITH REDUCED
PHYSICAL, SENSORY OR MENTAL CAPABILITIES, OR LACK OF
EXPERIENCE AND KNOWLEDGE, UNLESS THEY HAVE BEEN GIVEN
SUPERVISION OR INSTRUCTION CONCERNING USE OF THE APPLIANCE
BY A PERSON RESPONSIBLE FOR THEIR SAFETY.
CHILDREN SHOULD BE SUPERVISED TO ENSURE THAT THEY DO NOT
PLAY WITH THE EQUIPMENT.
THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR ANY INJURY OR
PROPERTY DAMAGE ARISING FROM
IMPROPER SUPERVISION, SERVICE OR SERVICE
PROCEDURES. IF YOU SERVICE THIS UNIT, YOU ASSUME
RESPONSIBILITY FOR ANY INJURY OR PROPERTY
DAMAGE WHICH MAY RESULT. IN ADDITION, IN
JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES TO SERVICE
THE EQUIPMENT SPECIFIED IN THIS
MANUAL, ONLY LICENSED PERSONNEL SHOULD SERVICE THE
EQUIPMENT. IMPROPER SUPERVISION, INSTALLATION, ADJUSTMENT,
SERVICING, MAINTENANCE OR REPAIR OF THE EQUIPMENT SPECIFIED
IN THIS MANUAL, OR
ATTEMPTING TO INSTALL, ADJUST, SERVICE OR REPAIR THE
EQUIPMENT SPECIFIED IN THIS MANUAL WITHOUT PROPER
SUPERVISION OR TRAINING MAY RESULT IN PRODUCT DAMAGE,
PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
DO NOT BYPASS SAFETY DEVICES
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
WARNING
WARNING
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Summary of Contents for Daikin DSC090
- Page 1 WARNING DO NOT BYPASS SAFETY DEVICES ナンバー ： B150 会社名 ： DAIKIN COMFORT TECHNOLOGIES MANUFACTURING, L.P. 作 成日 ： 2022/2/25 Our continuing commitment to quality products may mean a change in specifications without notice. ©2024 19001 Kermier Rd., Waller, TX 77484 IOD-1071A www.daikincomfort.com...
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Page 2: Table Of Contents
INDEX EQUIPMENT SUPPORT Daikin Comfort Technologies Manufacturing, L.P. 19001 Kermier Road Safety Instructions ............2 Waller, Texas 77484 Replacement Parts ............2 855-770-5678 General Information ............ 4 To The Installer Clearances ..............7 Before installing this unit, please read this manual to Roof Curb Post-Installation Checks ...... - Page 3 WARNING WARNING This unit is equipped with electrically powered Do not use means to accelerate defrosting safety measures. To be effective, the unit must process or to clean, other than those be electrically powered at all times after recommended by the manufacturer. installation, other than when servicing.
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Page 4: General Information
Obtain from: models. Specification sheets can be found at www. American National Standards Institute daikinac.com for Daikin brand products. Within the website, www.ansi.org please select the residential or commercial products menu System design and installation should also, where... -
Page 5: Pre-Installation Checks
unit. The model number shown on the unit’s identification Wiring plate identifies the various components of the unit such as Check that wiring will not be subject to wear, refrigeration tonnage, heating input and voltage. corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. -
Page 6: All Installations
NOTE: Units may be installed in heavy snow to the building, a level concrete (or equal) base is climates. Ensure no snow obstructs or covers recommended. Prepare a base that is 3" larger than the unit, as it may affect performance. Regularly the package unit footprint and a minimum of 3"... -
Page 7: Clearances
• Ductwork must be constructed using industry clearance of 48" is recommended on all sides of the unit guidelines. The duct work must be placed into the to facilitate possible parts replacement, to allow service roof curb before mounting the package unit. Our full access and to insure proper ventilation and condenser perimeter curbs include duct connection frames to be airflow. -
Page 8: Horizontal Discharge
Horizontal Discharge Refer to IOD-7082 included in the literature pack for WARNING installing horizontal duct covers. To prevent possible equipment damage, property Flexible duct connectors between the unit and ducts are damage, personal injury or death, the following recommended. Insulate and weatherproof all external bullet points must be observed when installing the unit. -
Page 9: Weights And Center Of Gravity
Shipping Brace Screw and Wooden Struts Figure 4 3. Lift unit per the “Rigging Details” section of the installation instructions, observing all warnings and cautions. Lift the unit high enough off the ground to reach under and grasp the shipping brace. 4. -
Page 10: Electrical Wiring
CAUTION CAUTION To prevent severe damage to the bottom of the To prevent damage to the wiring, protect wiring unit, do not fork lift unit after wood struts from sharp edges. follow national electrical have been removed. code and all local codes and ordinances. Do not route wires through removable access Bring condenser end of unit into alignment with the curb panels. - Page 11 CAUTION LINE VOLTAGE L1, L2, L3 To prevent improper and dangerous operation due to wiring errors, label all wires prior to disconnection when servicing controls. Verify proper operation after servicing. NOTE: A weather-tight disconnect switch, properly sized for the unit total load, must be field or factory installed.
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Page 12: Circulating Air And Filters
NOTE: Field-supplied conduit may need to be HIGH VOLTAGE ENTRANCE installed depending on unit/curb configuration. (REMOVE PLUG) Use #18 AWG solid conductor wire whenever connecting thermostat wires to terminals on sub-base. DO NOT use larger than #18 AWG wire. A transition to #18 AWG wire may be required before 23-1/2 entering thermostat sub-base. -
Page 13: Startup, Adjustments, And Checks
WARNING Base Rail HIGH VOLTAGE! To avoid personal injury or death due Open Vent 2” Min to electrical shock, bond the frame of this unit to the building electrical ground by use of the grounding terminal provided or other See NOTE acceptable means. - Page 14 performed in accordance with this manual. Damage or System Voltage - The nominal voltage value assigned to a repairs due to failure to comply with these requirements circuit or system for the purpose of designating its voltage are not covered under the warranty. After the machines class.
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Page 15: Air Flow Adjustments
DSC/DSH Model Wiring AIR FLOW ADJUSTMENTS NOTE: If more than one lead is energized simultaneously, the motor will run at the higher When the final adjustments are complete, the current numerical speed value. draw of the motor should be checked and compared to Fan speed for G (GR) is fixed at TB1-T1 and cannot be the full load current rating of the motor. -
Page 16: Heat Pump Start-Up Procedure
Set Evaporator Fan Rpm 10. If all of the motors are operating backward, disconnect the unit power supply and lock it in the Actual RPM’s must be set and verified with a tachometer “OFF” position. Switch two leads of the power supply or strobe light. -
Page 17: Final System Checks
be necessary to jumper these thermostats to check and the compressor is producing an exceptional heater operation if outdoor ambient is mild. amount of noise, perform the following checks. • Ensure all compressors and the supply fan 6. For thermostats with emergency heat switch, return motor are operating in the proper direction. -
Page 18: Checking Subcooling
Cooling limits. Model ±2°F ±1°F ambient Device Stage (Circuit 1/2) (Circuit 1/2) (°F) For TXV systems, to adjust superheat, unscrew the DSC090* 17/16 13/14 High DSC102* cover from the expansion valve, locate the adjustment 16/19 11/12 High DSC120* 19/22 High... -
Page 19: Heat Pump Operation
HEAT PUMP OPERATION Cooling Cycle When the heat pump is in the cooling cycle, it operates exactly as a Summer Air Conditioner unit. In this mode, all the charts and data for service that apply to summer air conditioning apply to the heat pump. Most apply on the heating cycle except that “condenser”... -
Page 20: Rds Function
Zone controller must be powered through a Daikin Zoning/Accessory PCB to ensure that the Zoning Dampers open during mitigation mode to provide ventilation throughout all ducting. If the... -
Page 21: Charging Procedures
3. Replace filters as needed (see Filters section). Recovery 4. Check for blockage of condensate drain. When removing refrigerant from a system, either for 5. Check power and control voltages. servicing or decommissioning, it is recommended good 6. Check running amperage. practice that all refrigerants are removed safely. -
Page 22: Troubleshooting
Do not introduce cold outside air into the return duct of a please replace with Sensata R32 Sensor PN#RGD- 00ML12 (Daikin PN#SER2A08011). heat pump installation. For units with 2-speed motors, do not allow air entering the indoor coil to drop below 65°F. Air... -
Page 23: Accessory Installation
1. Connect the vacuum pump, micron gauge, and vacuum-rated LED STATUS hoses to both service valves. Evacuation must use both service valves to eliminate system mechanical seals. MODE LED FLASHING PATTERN 2. Evacuate the system to less than 500 microns. SLOW LED FLASHING PATTERN NORMAL OPERATION 3. - Page 24 ALTITUDE ADJUSTMENT FACTOR TO CALCULATE Height in meters Height in feet Altitude Adjustment Factor (AF) MINIMUM ROOM AREA At sea level At sea level 1.00 1~200 1~660 1.02 The Indoor equipment mitigation requirements are calculated at 200~400 660~1320 1.03 sea level. For higher altitudes adjust the 400~600 1320~1970 1.05...
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Page 25: Appendix A Blower Performance Data
APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON AC 7.5T AC Standard Static Motor 2.4 HP Model: DSC090_STD DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 1927.5 436.1 136.1 0.20 1951.6 453.2 143.7 0.21 1749.5 518.0 169.5 0.24 1843.9 526.3... - Page 26 APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON AC 7.5T AC Medium Static Motor 2.4 HP Model: DSC090_MED DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2090.0 455.6 173.6 0.26 2106.3 475.5 183.8 0.27 1918.8 533.7 207.0 0.30 1998.1 545.1...
- Page 27 APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON AC 7.5T AC High Static Motor 2.4 HP Model: DSC090_HIGH DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2402.9 493.3 251.0 0.37 2404.3 518.5 266.6 0.39 2244.2 564.3 284.6 0.42 2295.7 581.7...
- Page 28 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON AC 8.5T AC Standard Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2090.0 455.6 173.6 0.26 2106.3 475.5 183.8 0.27 1918.8 533.7 207.0 0.30 1998.1 545.1 203.1 0.31...
- Page 29 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON AC 8.5T AC Medium Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2209.2 470.0 202.3 0.30 2219.8 491.9 214.4 0.31 2042.8 545.3 235.7 0.35 2111.4 559.0 235.0 0.35...
- Page 30 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON AC 8.5T AC High Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2349.3 486.8 237.2 0.35 2353.2 511.1 251.9 0.37 2188.5 559.0 270.8 0.40 2244.6 575.4 274.0 0.41...
- Page 31 APPENDIX A BLOWER PERFORMANCE DATA 10 TON AC 10T AC Standard Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2154.1 434.4 172.3 0.24 2099.0 439.9 228.0 0.24 PL Rated PL Rated TAP 1 TAP 1 TAP SPEED SCFM...
- Page 32 APPENDIX A BLOWER PERFORMANCE DATA 10 TON AC 10T AC Medium Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2471.3 466.7 232.0 0.34 2397.2 474.9 269.3 0.34 2292.9 546.0 268.3 0.40 2148.1 577.7 327.3 0.42...
- Page 33 APPENDIX A BLOWER PERFORMANCE DATA 10 TON AC 10T AC High Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2586.6 478.5 255.7 0.38 2505.5 487.7 287.0 0.39 2415.4 556.0 293.8 0.44 2273.9 584.6 343.2 0.46...
- Page 34 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON AC 12.5T AC Standard Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2158.1 453.9 184.5 0.25 2123.9 462.4 190.2 0.26 1860.0 565.3 228.4 0.31 1926.4 534.1 216.4 0.30...
- Page 35 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON AC 12.5T AC Medium Static Motor 5 HP Model: DSC150_MED DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2542.9 482.5 250.6 0.39 2459.6 510.2 266.8 0.41 2344.0 560.9 287.8 0.45 2227.6 602.4...
- Page 36 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON AC 12.5T AC High Static : l e DOWNSHOT HORIZONTAL TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2752.1 506.0 312.9 0.47 2659.3 536.5 334.4 0.49 2562.0 580.5 352.1 0.53 PL Rated PL Rated TAP 1 TAP 1...
- Page 37 APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON HP 7.5T Heat Pump Standard Sta�c 7.5T Heat Pump Standard Sta�c Horizontal Models: DSH0903D, DSH0904D, DSH0907D Models: DSH0903D, DSH0904D, DSH0907D TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 1974.0 437.7 196.2 0.23 1928.0 448.7...
- Page 38 APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON HP 7.5T Heat Pump Medium Sta�c Downshot 7.5T Heat Pump Medium Sta�c Horizontal Models: DSH0903L, DSH0904L, DSH0907L Models: DSH0903L, DSH0904L, DSH0907L TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2298.0 473.0 255.6 0.33 2284.0...
- Page 39 APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON HP 7.5T Heat Pump High Sta�c Downshot 7.5T Heat Pump High Sta�c Horizontal Models: DSH0903W, DSH0904W, DSH0907W Models: DSH0903W, DSH0904W, DSH0907W Tap Speed SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS SPEED 1 SPEED 1 1614.0 796.5...
- Page 40 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON HP 8.5T Heat Pump Standard Sta�c Downshot 8.5T Heat Pump Standard Sta�c Horizontal Models: DSH1023D, DSH1024D, DSH1027D Models: DSH1023D, DSH1024D, DSH1027D TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 1974.0 437.7 196.2 0.23 1928.0...
- Page 41 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON HP 8.5T Heat Pump Medium Sta�c Downshot 8.5T Heat Pump Medium Sta�c Horizontal Models: DSH1023L, DSH1024L, DSH1027L Models: DSH1023L, DSH1024L, DSH1027L TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2298.0 473.0 255.6 0.33 2284.0...
- Page 42 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON HP 8.5T Heat Pump High Sta�c Downshot 8.5T Heat Pump High Sta�c Sta�c Horizontal Models: DSH1023W, DSH1024W, DSH1027W Models: DSH1023W, DSH1024W, DSH1027W Tap Speed SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2465.0 489.8 281.4 0.36...
- Page 43 APPENDIX A BLOWER PERFORMANCE DATA 10 TON HP 10T Heat Pump Standard Sta�c Downshot 10T Heat Pump Standard Sta�c Downshot Models: DSH1203D, DSH1204D, DSH1207D Models: DSH1203D, DSH1204D, DSH1207D TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2356.0 465.7 211.5 2308.0 468.9...
- Page 44 APPENDIX A BLOWER PERFORMANCE DATA 10 TON HP 10T Heat Pump Medium Sta�c Downshot 10T Heat Pump Medium Sta�c Horizontal Models: DSH1203L, DSH1204L, DSH1207L Models: DSH1203L, DSH1204L, DSH1207L TAP SPEED SCFM R.P.M. WATTS Speed Tap R.P.M. WATTS 2452.0 481.1 242.1 0.35 0.20 2457.0...
- Page 45 APPENDIX A BLOWER PERFORMANCE DATA 10 TON HP 10T Heat Pump High Sta�c Downshot 10T Heat Pump High Sta�c Horizontal Models: DSH1203W, DSH1204W, DSH1207W Models: DSH1203W, DSH1204W, DSH1207W TAP SPEED SCFM R.P.M. WATTS TAP SPEED SCFM R.P.M. WATTS 2682.0 503.6 266.6 0.45 2701.0...
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Page 46: Appendix B Electrical Data
APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Electrical Model Number Convienience Outlet Exhaust* Rating Part # 39.4/39.4 50/50 9.6/8.7 49.0/48.1 60/60 3.3/3.0 (2.4) 42.7/42.4 50/50 9.6/8.7 3.3/3.0 (2.4) 52.3/51.1... - Page 47 APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Convienience Outlet Exhaust* Model Number Rating Part # 18.3 21.8 19.6 23.1 23.0 27.4 EH*D-7M15 15.0 14.4 24.7 29.0 DSC0907D...
- Page 48 APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Convienience Outlet Exhaust* Model Number Rating Part # 21.5 25.8 1.2 (1.0) 22.7 1.2 (1.0) 27.0 29.3 34.7 EH*D-4M15 15.0...
- Page 49 APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Model Number Convienience Outlet Exhaust* Rating Part # 50.9/50.9 60/60 9.6/8.7 60.5/59.6 70/70 3.3/3.0 (2.4) 54.2/53.9 70/70 9.6/8.7 3.3/3.0 (2.4) 63.8/62.6...
- Page 50 APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Model Number Convienience Outlet Exhaust* Rating Part # 21.2 24.7 22.5 26.0 23.0 27.4 EH*D-7M15 15.0 14.4 24.7 29.0 DSC1207D...
- Page 51 APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Power Supply Model Number Convienience Outlet Exhaust* Rating Part # 30.2 34.5 1.2 (1.0) 31.4 1.2 (1.0) 35.7 31.6 36.9 EH*D-4M15 15.0...
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Page 52: Appendix C Unit Dimensions
APPENDIX C UNIT DIMENSIONS 60-3/16" 90-5/8" Models Dimension "A" in. DSC090-150 54-5/8 DSH090-120 54-5/8 54-5/8" 4-1/4" 90-3/4" 60-3/8" Figure 14 1" 13" RETURN 12.5" X 36.4" SUPPLY 13.9" X 28.3" 9-1/2" Horizontal Discharge Figure 13 19-11/16 NOTE NOTE For horizontal discharge, remove supply and return... -
Page 53: Appendix D Min-Max Airflow
APPENDIX D MIN-MAX AIRFLOW AIR FLOW FOR ELECTRIC HEAT HEATER KIT MODEL NUMBER NOMENCLATURE HEATER KIT 6, 7 MINIMUM MAXIMUM UNIT MODEL NUMBER Electric EH*D-*M15 2400 4225 EH*D-*M30 Heater EH*D-*M45 Staged EH*D-*M15 SCR (modulating) 2750 4425 EH*D-*M30 Drive System EH*D-*M45 Belt Drive EH*D-*M15 Direct Drive... -
Page 54: Wiring Diagram
WIRING DIAGRAM Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. - Page 55 WIRING DIAGRAM 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 56: Pre-Start-Up
DAIKIN 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 58 PAGE LEFT INTENTIONALLY BLANK...
- Page 59 PAGE LEFT INTENTIONALLY BLANK...
- Page 60 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. ナンバー ：...
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