DURASTAR DRAC24F1B Installation Manual
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DURASTAR DRAC24F1B Installation Manual

Ceiling cassette indoor unit split-style air conditioner
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INSTALLATION MANUAL
CEILING CASSETTE INDOOR UNIT
SPLIT-STYLE AIR CONDITIONER
DRAC24F1B
Model Number:
Serial Number:
Purchase Date:
Installing Contractor Company Name:
TIP
Capture relevant information about your Durastar mini-split equipment before it is
installed and write it above for future reference.
1
DURASTAR.COM

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Summary of Contents for DURASTAR DRAC24F1B

  • Page 1 INSTALLATION MANUAL CEILING CASSETTE INDOOR UNIT SPLIT-STYLE AIR CONDITIONER DRAC24F1B Model Number: Serial Number: Purchase Date: Installing Contractor Company Name: Capture relevant information about your Durastar mini-split equipment before it is installed and write it above for future reference. DURASTAR.COM...

  • Page 2: Table Of Contents

    STEP 4: CONNECT DRAIN PIPE ............. 14 STEP 5: CONNECT SIGNAL CABLE ............ 15 STEP 6: PREPARE REFRIGERANT PIPING ........17 STEP 7: WRAP PIPES AND CABLE ............. 17 STEP 8: INSTALL PANEL ................18 TROUBLESHOOTING .................. 21 WIRING DIAGRAM ..................25 ERROR CODES ....................26 DURASTAR.COM...

  • Page 3: Introduction

    • Read the troubleshooting section of this manual as it will help you diagnose and solve common issues. • Visit us on the web at www.durastar.com to download product guides and up-to-date information. • If you need warranty service, our friendly customer service representatives are available via email at questions@durastar.com or by telephone at 1-888-320-0706.

  • Page 4: Important Safety Precautions

    Do not wash the air conditioner with water as this could cause an electric shock. • Disconnect the power supply by turning it off at the circuit breaker when cleaning the air conditioner. Otherwise, you could risk electric shock. DURASTAR.COM...
  • Page 5 • The air conditioner’s circuit board (PCB) is designed with a fuse to provide overcurrent protection. The specifications of the fuse are printed on the circuit board. DURASTAR.COM...
  • Page 6 Do not climb onto or place objects on top of the outdoor unit. • Do not allow the air conditioner to operate for long periods of time with doors or windows open, or if the humidity is very high. DURASTAR.COM...

  • Page 7: Operating Temperatures

    Regularly inspect and clean air filters. NOTE Your Durastar air conditioner's outdoor unit is equipped with a base pan heater, allowing it to continue to operate at freezing temperatures as low as -22°F (-30°C). When outdoor air temperatures are at or below 32°F (0°C), we strongly recommend keeping the unit plugged in at all times to ensure smooth ongoing performance.

  • Page 8: Accessories

    Indoor and outdoor connection wire • Outdoor power supply cord • Drain pipe • Pipe and cable wrapping tape • Wall hole sleeve and cover • Putty • Suspension bolts and necessary hardware to hang indoor unit • Wiring u-lugs DURASTAR.COM...
  • Page 9 Refrigerant leak detector • Copper pipe cutter • Flaring tool • Burr reamer • Crescent or spanner wrench • Hexagonal wrench set • Torque wrench • Multimeter • Electroprobe • Level • Hammer • Wire strippers • Wire crimper DURASTAR.COM...

  • Page 10: Parts Identification

    Remote Control Remote Control Holder Signal Cable, Air Inlets Refrigerant Pipes, and Drain Pipe Wiring Terminal Valve Cover Air Outlet NOTE Illustrations in this manual are for explanatory purposes. The actual shape of your mini-split equipment may vary slightly. DURASTAR.COM...

  • Page 11: Installation Overview - Indoor Unit

    INSTALLATION OVERVIEW - INDOOR UNIT Install the indoor unit Install the drain pipe Install the outdoor unit Connect the wires Evacuate and charge the Connect the refrigerant refrigeration system pipes Install the panel Perform a test run DURASTAR.COM...

  • Page 12: Indoor Unit Installation

    If there is no pre-existing refrigerant piping, when choosing a location, leave ample room for a wall hole (see Step 3: Drill Wall Hole for Connective Piping) for the signal cable and refrigerant piping that connect the indoor and outdoor units. DURASTAR.COM...

  • Page 13: Step 2: Hang Indoor Unit

    Ceiling Bottom of unit ≤ 5/8 - 1” (16 - 25mm) Ceiling board WARNING Ensure that the indoor unit is completely level. Improper installation can cause the drain pipe to back up into the unit and water leaks. DURASTAR.COM...

  • Page 14: Step 3: Drill Wall Hole For Connective Piping

    To keep the drain pipe from sagging, install hanging wires every 3-5'. Do not allow the drain pipe to bend or sag and trap condensation. 3’-5’ (1-1.5m) No bending Downward slope or sagging 1/100 DURASTAR.COM...

  • Page 15: Step 5: Connect Signal Cable

    1/8" (3mm) must be incorporated in the fixed wiring. A qualified technician must use an approved circuit breaker or switch. 7. Only connect the unit to an individual branch circuit outlet. Do not connect another appliance to that outlet. 8. Make sure to properly ground the air conditioner. DURASTAR.COM...
  • Page 16 6. After checking to make sure every connection is secure, use the cable clamp to fasten the signal cable to the unit. Screw the cable clamp down tightly. 7. Replace the control box lid. DURASTAR.COM...

  • Page 17: Step 6: Prepare Refrigerant Piping

    Before passing the refrigerant piping, drain pipe, and the signal cable through the wall hole, you must bundle them together to save space, protect them, and insulate them. 1. Bundle the drain pipe, refrigerant pipes, and signal cable as shown below: Signal wire Refrigerant piping Insulation tape Drain pipe DURASTAR.COM...

  • Page 18: Step 8: Install Panel

    Release tabs 2. Remove the installation covers at each of the four corners in order to access the hooks on the main body when hanging the panel. Short ropes will keep the corners attached to the panel. Cover rope DURASTAR.COM...
  • Page 19 3/16"-1/4" (4-6mm). The edge of the panel should be in contact with the ceiling board. Unit body Ceiling board 3/16”-1/4” (4-6mm) Panel Panel foam 5. Carefully adjust the panel so that the ceiling opening is completely covered. DURASTAR.COM...
  • Page 20 If necessary, the height can be adjusted by loosening the upper nut, and adjusting the lower nut at each of the corners. Make sure the internal wiring and drain pipe are not affected by this adjustment. 1-Loosen upper nut Gap not allowed 2-Adjust lower nut DURASTAR.COM...

  • Page 21: Troubleshooting

    The indoor unit makes A rushing air sound may occur when the louver resets its position. noises A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit’s plastic parts. DURASTAR.COM...
  • Page 22 • Press ON/OFF button on remote control to restart operation. NOTE If problem persists, contact a local dealer or your nearest customer service center. Provide them with a detailed description of the unit malfunction as well as your model number. DURASTAR.COM...
  • Page 23 Incompressible gas or moisture has Evacuate and recharge the system with quently entered the system. refrigerant. The compressor is broken. Replace the compressor. The voltage is too high or too low. Install a manostat to regulate the voltage. DURASTAR.COM...
  • Page 24 If not, disconnect the power, then connect it again. Turn the unit on. appears If the problem persists, disconnect the power and contact your nearest customer service center. NOTE If your problem persists after performing the checks and diagnostics above, turn off your unit immediately and contact an authorized service center. DURASTAR.COM...

  • Page 25: Wiring Diagram

    WIRING DIAGRAM DRAC24F1B Anti-cold air FOR FAN MOTER SW2 / Inner Driver CONTROL THEN NO SWITCH SW2-1 POWER REQUEST. DC Motor FAN MOTOR STOP-TEM TO WIRE NEWFAN Alarm Remote CONTROLLER STATE Output Control FUNCTION OF SWITCH TO SWING Factory setting...

  • Page 26: Error Codes

    Discharge high temperature Error PC60 Low pressure protection PC03 PC0L Low temperature protection of outdoor unit Indoor units mode con ict ---- Note: DF (defrost) and FC (forced cool) are normal operating states, not malfunctions. [ ] Applicable to some units only. DURASTAR.COM...
  • Page 27 THIS PAGE INTENTIONALLY LEFT BLANK. DURASTAR.COM...
  • Page 28 THIS PAGE INTENTIONALLY LEFT BLANK. ©2022 Durastar DURASTAR.COM V1.1 1122...

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