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DURASTAR DRA1U09S1B - User Manual

DURASTAR DRA1U09S1B
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DURASTAR.COM
1
INSTALLATION MANUAL
SINGLE ZONE OUTDOOR UNIT
SPLIT-STYLE AIR CONDITIONER
DRA1U09S1B, DRA1U12S1B, DRA1U18S1B, DRA1U24S1B
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.

Table of Contents

Questions and Answers

  • C
    caseycharlesAug 11, 2025
    Why is my DURASTAR DRA1U09S1B Air Conditioner not cooling well?
    • C
      Chad JonesAug 11, 2025
      Several factors can cause poor cooling. The temperature setting might be higher than the room's ambient temperature, so try lowering it. The air filter or the heat exchanger on either the indoor or outdoor unit could be dirty; clean them accordingly. Also, ensure that doors and windows are closed, and that the air inlet or outlet isn't blocked. Reduce heat sources in the room and block sunlight. A refrigerant leak could also be the culprit; check for leaks, reseal if needed, and top off the refrigerant.
  • B
    Brian CooperAug 17, 2025
    What to do if my DURASTAR DRA1U09S1B Air Conditioner unit is not working?
    • F
      Frank MartinAug 17, 2025
      If your unit isn't working, first, ensure there isn't a power failure or that the power is turned on. Check the fuse and replace it if it's burned out. Replace the remote control batteries if they're dead. Also, the unit’s 3-minute protection might be activated, so wait three minutes after restarting it. Finally, make sure the timer is turned off.
  • M
    Meredith JohnsonAug 25, 2025
    Why is my DURASTAR DRA1U09S1B Air Conditioner starting and stopping frequently?
    • N
      nicoleclarkAug 25, 2025
      Frequent starting and stopping can be due to several reasons. There might be too much or too little refrigerant in the system, so check for leaks and recharge it. Incompressible gas or moisture might have entered the system, requiring evacuation and recharge. The compressor could also be broken and need replacement. Finally, the voltage might be too high or too low; in that case, install a manostat to regulate it.
  • M
    Madeline WagnerAug 29, 2025
    Why is my DURASTAR Air Conditioner not heating well?
    • K
      Kelli AndersonAug 29, 2025
      Poor heating performance could be due to extremely low outdoor temperatures, which can impact heating even though the unit is designed to work down to -13°F. Also, cold air entering through doors and windows can affect performance, so ensure they are closed. Finally, low refrigerant due to a leak or long-term use could be the cause; check for leaks, reseal if necessary, and top off the refrigerant.
  • O
    Olivia Vasquez DVMSep 4, 2025
    What to do if indicator lamps are flashing on my DURASTAR DRA1U09S1B?
    • E
      elizabeth25Sep 4, 2025
      If the indicator lamps continue to flash or error codes appear, wait for about 10 minutes. The problem may resolve itself. If not, disconnect the power, then connect it again. Turn the unit on. If the problem persists, disconnect the power and contact your nearest customer service center.

DURASTAR DRA1U09S1B Specifications

General IconGeneral
TypeMini-Split
Cooling Capacity9, 000 BTU
EER11.0
Operating Temperature (Cooling)62°F - 90°F
RefrigerantR410A
BTU9000
Power Supply115V, 60Hz

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