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DUCTLESS WALL-MOUNT MINI SPLIT INVERTER+ AND INVERTER++ AIR CONDITIONER / HEAT PUMP SYSTEM
QUANTUM INVERTER SERIES
(WYS-20, WYS-22, Single-Zone)
SERVICE & TROUBLESHOOTING MANUAL
(FOR USE BY QUALIFIED PERSONNEL ONLY)
Model Numbers Encompassed:
20 SEER Series (WYS-20, Quantum Inverter+):
WYS009AMFI20RL (comprised of YN009AMFI20RPD + WS009AMFI20HLD)
WYS009GMFI20RL (comprised of YN009GMFI20RPD + WS009GMFI20HLD)
WYS012AMFI20RL (comprised of YN012AMFI20RPD + WS012AMFI20HLD)
WYS012GMFI20RL (comprised of YN012GMFI20RPD + WS012GMFI20HLD)
WYS018GMFI20RL (comprised of YN018GMFI20RPD + WS018GMFI20HLD)
WYS024GMFI20RL (comprised of YN024GMFI20RPD + WS024GMFI20HLD)
WYS030GMFI20RL (comprised of YN030GMFI20RPD + WS030GMFI20HLD)
WYS036GMFI20RL (comprised of YN036GMFI20RPD + WS030GMFI26HLD)
22 SEER Series (WYS-22, Quantum Inverter++):
WYS009AMFI22RL (comprised of YN009AMFI22RPE + WS009AMFI22HLE)
WYS009GMFI22RL (comprised of YN009GMFI22RPE + WS009GMFI22HLE)
WYS012AMFI22RL (comprised of YN012AMFI22RPE + WS012AMFI22HLE)
WYS012GMFI22RL (comprised of YN012GMFI22RPE + WS012GMFI22HLE)
WYS018GMFI22RL (comprised of YN018GMFI22RPE + WS018GMFI22HLE)
WYS024GMFI22RL (comprised of YN024GMFI22RPE + WS024GMFI22HLE)
© PARKER DAVIS HVAC INTERNATIONAL, INC., ALL RIGHTS RESERVED. REVISION 07-2023
INVERTER
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Chapters
Table of Contents
Troubleshooting
Related Manuals for Pioneer WYS024GMFI22RL
Summarization of Contents
Safety Precautions
Precautions
General guidelines to prevent injury or damage during operation and maintenance.
Information Disclosures (For flammable materials)
Procedures for handling flammable refrigerants safely, minimizing ignition risks.
Specifications
Model Reference
Table detailing indoor and outdoor unit model compatibility and specifications.
Pipe Length, Adjustment Charge, and Drop Height
Guidelines for pipe length and elevation, including refrigerant adjustment and oil trap placement.
Refrigerant Cycle Diagrams
Schematic diagrams illustrating the refrigerant flow for different unit models.
Electrical Wiring Diagrams
Diagrams showing the electrical connections for indoor and outdoor units.
Product Features
Display Function
Explanation of symbols and indicators displayed on the unit and remote control.
Safety Features
Details on built-in protections like compressor delay, overload shutoff, and sensor redundancy.
Basic Functions
Overview of operational modes including Cooling, Heating, and Auto modes with their parameters.
Optional Functions
Description of features like 46°F/8°C heating, Self Clean, Follow Me, and Silence.
Maintenance
First Time Installation Check
Procedures for leak testing and evacuation to ensure proper system performance.
Refrigerant Recharging
Step-by-step guide for charging the system with the correct amount of refrigerant.
Re-Installation
Procedure for capturing refrigerant back into the outdoor unit before removing indoor components.
Indoor Unit Disassembly
Unit Dimensions
Detailed measurements for indoor unit models, including width, depth, and height.
Disassembly for 9k-24k BTU Models
Step-by-step instructions for disassembling indoor units ranging from 9k to 24k BTU.
Disassembly for 30k-36k BTU Models
Step-by-step instructions for disassembling indoor units ranging from 30k to 36k BTU.
Outdoor Unit Disassembly
Unit Matching Table
Table correlating outdoor unit models with panel types and PCB configurations.
Outdoor Unit Dimensions
Dimensional drawings and specifications for outdoor units based on panel plate types.
Panel Plate Disassembly
Procedures for removing panel plates (PT-1, PT-2, PT-3, PT-4) from outdoor units.
Electrical Components Disassembly
Instructions for disassembling electrical control box subassemblies for different PCB configurations.
Fan Assembly Disassembly
Steps for removing the fan blade and fan motor from the outdoor unit.
Insulation Blanket Removal
Procedure for removing the insulation blanket from the outdoor unit.
Four-Way Valve Removal
Instructions for safely removing the four-way valve assembly.
Compressor Removal
Step-by-step guide for removing the compressor from the outdoor unit.
Troubleshooting
Safety and General Information
Safety warnings, complaint recording, and information inquiry procedures.
Error Diagnosis and Resolution
Steps for general troubleshooting, error code interpretation, and quick maintenance.
Check Procedures
Methods for checking sensor resistance, compressor windings, IPM continuity, and fan motor voltage.
Appendix
Temperature Sensor Resistance Value Tables
Tables correlating sensor resistance values with temperatures for T1, T2, T3, T4, and TP sensors.
Pressure On Service Port
Service port pressure charts for cooling and heating modes with R410A refrigerant.
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