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Daikin DAX Commercial Manual

Daikin DAX Commercial Manual

Electric air handlers for 7 1/2 & 10-ton split systems

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Standard Features
• Uplflow or horizontal (left side) installation positions in
7½ and 10-ton cooling only or heat pump applications
• Circuited for use with one (1) 7½-ton or one
(1) 10-ton cooling-only or heat pump system.
Also circuited for use with two (2) 4-ton or
two (2) 5-ton cooling-only units
• TXV Control; Units have two (2) thermal
expansion valves
• DAX units feature two 5-speed direct-drive motors
• Copper tube/aluminum fin coils
• AHRI Certified; ETL Listed
SS-DAX
DAX Commercial
Cabinet Features
• Heavy-gauge, reinforced, galvanized-steel cabinet
• Fully insulated with fiberglass blanket
• Horizontal and vertical condensate pans
• Built-in filter rack (2" filter included)
• Entry on top of panel for both low and high voltage
• Removable access panels make
servicing of unit faster and easier
* Complete warranty details available from your local dealer or at www.daikincomfort.com.
www.daikinac.com
ELECTRIC AIR HANDLERS
FOR 7½ & 10-TON SPLIT SYSTEMS
Contents
Nomenclature ...............................2
Product Specifications ..................3
Airflow Data ..................................4
Temperature Rise .........................6
Electrical Heater Kits .....................7
Dimensions ....................................8
Wiring Diagrams ...........................9
Accessories .................................11
01/23

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Questions and answers

Pete Minutillo
February 27, 2025

Where is the return on this 10-ton unit in a vertical application?

1 comments:
Mr. Anderson
February 27, 2025

In a vertical (upflow) application, the return for the Daikin DAX Commercial 10-ton unit is located at the bottom of the unit.

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Summary of Contents for Daikin DAX Commercial

  • Page 1: Table Of Contents

    DAX Commercial ELECTRIC AIR HANDLERS FOR 7½ & 10-TON SPLIT SYSTEMS ■ Contents Nomenclature .......2 Product Specifications ....3 Airflow Data ........4 Temperature Rise ......6 Electrical Heater Kits .....7 Dimensions ........8 Wiring Diagrams ......9 Accessories .........11 ■ Standard Features ■ Cabinet Features •...
  • Page 2: Nomenclature

    Nomenclature 4,5,6 Brand Engineering* D - Daikin Major/Minor Revisions *Not used for inventory management Product Type Electrical A - Single-Piece Air Handler 3 - 208/230 V Three-Phase 60 Hz 4 - 460 V Three-Phase 60 Hz Refrigerant Unit Applicationon 4- R- 410A...
  • Page 3: Product Specifications

    DAX Specifications DAX09043** DAX09044** DAX12043** DAX12044** Total Capacities Cooling (BTU/h) 90,000 90,000 120,000 120,000 Heating (kW) 15, 20, 30 15, 20, 30 15, 20, 30 15, 20, 30 3,000 3,000 4,000 4,000 Electrical Data Voltage-Hz-Phase 208/240-60-3 460-60-3 208/240-60-3 460-60-3 Voltage Range 197 - 253 414-506 197 - 253...
  • Page 4: Airflow Data

    DAX Airflow Data BLOWER PERFORMANCE TABLES • 7.5 Ton LC Indoor Split System • Models: DAX0904 *Up-Flow *Horizontal Flow Speed Tap SCFM Speed Tap SCFM (IN H 2124 0.06 2125 0.06 1635 0.06 1583 0.06 1445 0.07 1132 0.07 1270 0.08 0.07 1079...
  • Page 5 DAX Airflow Data (cont.) BLOWER PERFORMANCE TABLES • 10Ton LC Indoor Split System • Models: DAX0904 Up Flow Horizontal Flow Speed Tap SCFM Speed Tap SCFM (IN H 2527 0.17 2576 0.16 2396 0.18 2460 0.18 2239 0.19 2328 0.19 2086 0.20 2173...
  • Page 6: Temperature Rise

    Temperature Rise Range Supply Voltage Supply Voltage Heat Kit Heat Kit Model Model 2800 3800 2900 3900 3000 4000 3100 4100 3200 4200 2800 3800 2900 3900 DAX0904** 3000 DAX1204** 4000 3100 4100 3200 4200 2800 3800 2900 3900 3000 4000 3100 4100...
  • Page 7: Electrical Heater Kits

    Electric Heater Kits AHKD Nominal Electrical Weight Stages MCA¹ MOP² Handler Model Data (lbs.) None 208-240/3/60 15.5 / 15.5 20 / 20 AHKD15-3A 208-240/3/60 56.3 / 62.4 60 / 70 AHKD20-3A 208-240/3/60 69.4/77.4 70 / 80 DAX0904** AHKD30-3A 208-240/3/60 95.4/108 100 / 110 None 460/3/60...
  • Page 8: Dimensions

    Dimensions POWER INLET 1-1/8" SWEAT (2) OPENING 3/8" LIQUID LINE (2) COIL ACCESS ELECTRIC HEAT BLOWER & CONTROL ACCESS 24" 19-1/8" 11" 13-7/8" 3-1/8" 13-1/4" 10-3/8" 13-1/8" 7" 38-1/4" 48-1/8" 40-1/4" DRAIN 60-1/2" BLOWER END Duct Connection Sizing without Electric Heaters Minimum Supply and Return Duct Dimensions Dimensional Data for Electric Heater Kits •...
  • Page 9: Wiring Diagrams

    DAX Wiring Diagrams SS-DAX www.daikinac.com...
  • Page 10 DAX Wiring Diagrams (cont.) www.daikinac.com SS-DAX...
  • Page 11: Accessories

    Accessoires AHKD Model DAX090* DAX120* AHKD15-3A AHKD20-3A AHKD30-3A Electric Heat Kits AHKD15-4A AHKD20-4A AHKD30-4A Freeze Protection Kit FSK04A TX3N4 TXV KIt TX5N4 TXV KIt SS-DAX www.daikinac.com...
  • Page 12 Notes Our continuing commitment to quality products may mean a change in specifications without notice. ©2023 • Houston, Texas • Printed in the USA. www.daikinac.com SS-DAX...