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Pioneer Inverter+ WAS Series Owner's Manual

Ductless mini split system air conditioner / heat pump 9,000 btu/h. through 36,000 btu/h.
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WAS / WYS Series
WAS: Cooling Only Version
WYS: Cooling and Heating Version
Inverter+ and Inverter++ Models
9,000 BTU/h. through 36,000 BTU/h.
Owner's Manual
Please read this manual carefully before installing
or operating your new air conditioning system.
Make sure to save this manual for future reference.



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  Summary of Contents for Pioneer Inverter+ WAS Series

  • Page 1 DUCTLESS MINI SPLIT SYSTEM AIR CONDITIONER / HEAT PUMP WAS / WYS Series WAS: Cooling Only Version WYS: Cooling and Heating Version ® ® Inverter+ and Inverter++ Models 9,000 BTU/h. through 36,000 BTU/h. Owner’s Manual CS78421-548-754 IMPORTANT NOTICE: Please read this manual carefully before installing or operating your new air conditioning system.
  • Page 2 Table of Contents Owner’s Manual Safety Precautions ............04 Unit Specifications and Features ......06 SAFETY FIRST Manual Operation (Without Remote) ....11...
  • Page 3 Care and Maintenance .............12 Troubleshooting ..............14 European Disposal Guidelines ........18...
  • Page 4: Safety Precautions

    Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. This symbol indicates that ignoring instructions may cause death or serious injury.
  • Page 5 ELECTRICAL WARNINGS Only use the system powered through a specified dedicated circuit breaker. If the power cord • is damaged, it must be replaced by a certified service agent. Assure to use a properly rated circuit breaker of fuse. Gauge of the power wiring must be within •...
  • Page 6: Unit Parts

    Unit Specifications and Features Unit Parts Front Panel Power and Signal Wiring Louver Remote Control Functional Filter (On Front of Main Filter - Some Units) Remote control Holder (Some Units) Display panel Display panel “ ” for 3 seconds when: •...
  • Page 7 Achieving Optimal Performance Optimal performance for the COOL, HEAT, and DRY modes can be achieved in the following temperature ranges. When your air conditioner is used outside of these ranges, certain safety protection features will activate and cause the unit to perform less than optimally. Operational Temperature Ranges FOR OUTDOOR UNITS Standard Models...
  • Page 8: Other Features

    • WiFi Access (Optional Accessory Needed) For a detailed explanation of each function, WiFi control allows you to control your air refer to the Remote Control Manual. conditioner using your smart phone and a Wireless connection. For the USB device access, replacement, Other Features maintenance operations refer to the •...
  • Page 9 Setting Angle of Air Flow • Setting vertical angle of air flow While the unit is on, use the SWING/DIRECT button to set the direction (vertical angle) of airflow (Dual function button: Left/Right). Press the SWING/DIRECT button once to activate the louver. Each time you press the button, it will adjust the louver by 6°.
  • Page 10: Sleep Operation

    • Sleep Operation The SLEEP function is used to decrease energy use while you sleep (and do not need the same temperature settings to stay comfortable). This function can only be activated via remote control. Press the SLEEP button when you are ready to go to sleep.
  • Page 11 Manual Operation (Without Remote) How to operate the unit without the CAUTION remote control (using emergency button) The manual button is intended for testing In the event that your remote control fails to purposes and emergency operation only. Please work, your unit can be operated manually with do not use this function unless the remote is the MANUAL CONTROL button located on lost and it is absolutely necessary.
  • Page 12: Care And Maintenance

    Care and Maintenance Rinse the filter with fresh water, then shake Cleaning Your Indoor Unit off the excess water. BEFORE CLEANING OR Dry it in a cool, dry place and refrain from exposing it to direct sunlight. MAINTENANCE When dry, re-clip the air freshening filter to ALWAYS TURN OFF YOUR AIR CONDITIONER the larger filter, then slide it back into the SYSTEM AND DISCONNECT ITS POWER SUPPLY...
  • Page 13 Maintenance – CAUTION Long Periods of Non-Use Before changing the filter or cleaning, • If you plan not to use your air conditioner for an turn off the unit and disconnect its power extended period of time, do the following: supply.
  • Page 14: Troubleshooting

    Troubleshooting SAFETY PRECAUTIONS If ANY of the following conditions occurs, turn off your unit immediately! The power wiring is damaged or abnormally warm • You smell a burning odor • The unit emits loud or abnormal sounds • A power fuse blows or the circuit breaker frequently trips •...
  • Page 15 Issue Possible Causes A rushing air sound may occur when the louver resets its position. The indoor unit makes noises A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit’ s plastic parts.
  • Page 16 Troubleshooting When troubles occur, please check the following points before contacting a repair company. Problem Possible Causes Solution Temperature setting may be higher than ambient Lower the temperature setting room temperature The heat exchanger on the indoor or outdoor unit is Clean the affected heat exchanger dirty Remove the filter and clean it...
  • Page 17 Problem Possible Causes Solution Wait for the power to be Power failure restored The power is turned off Turn on the power The fuse is burned out Replace the fuse The unit is not working Remote control batteries are Replace batteries dead The Unit’...
  • Page 18 European Disposal Guidelines This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. Do not dispose of this product as household waste or unsorted municipal waste. When disposing of this appliance, you have the following options: •...
  • Page 19 Indoor Unit Error Codes List ☆ 1 time ☆ ☆ 3 times ☆ ☆ short circuit ☆ short circuit ☆ ☆ ☆ 2 times short circuit ☆ 3 times short circuit ☆ circuit or short circuit ☆ ☆ ☆ 1 times ☆...
  • Page 20 2250 NW 102 Place, Doral, FL 33172 - USA : (305) 513-4488 : (305) 513-4499 email : Website: CS368U-AB Pioneer product range, parts and supplies are available online for convenient ordering at: 16122000002334 20160918 Copyright 2016, Parker Davis HVAC International, Inc., All rights reserved.

This manual is also suitable for:

Inverter+ wys seriesInverter++ was series