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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 22 SEER Series
Summarization of Contents
Service & Troubleshooting Manual
Model Numbers Encompassed
Lists the specific model numbers covered in this manual.
Safety Precautions
General Safety Measures
Covers precautions, accident procedures, installation and operation safety.
Flammable Refrigerant Handling
Procedures for safely working with flammable refrigerants and leak detection.
Refrigerant System Procedures
Covers charging, decommissioning, and recovery of refrigerants.
Specifications
Model Reference and System Details
Model reference, pipe specs, refrigerant cycles, and wiring diagrams.
Unit Abbreviations
Definitions for indoor and outdoor unit abbreviations.
Product Features
Unit Display and Safety Functions
Covers unit display indicators, safety features, and basic operations.
Operating Modes and Functions
Details on Fan, Cooling, Heating, Auto, Drying, and other modes.
Special Features and Abbreviations
Covers Optional Functions, Refrigerant Leakage Detection, and Abbreviations.
Maintenance
Installation Checks and Recharging
Covers first-time installation checks and refrigerant recharging.
Re-Installation Procedures
Step-by-step guide for reinstalling the unit.
Indoor Unit Disassembly
Unit Dimensions and General Disassembly
Provides indoor unit dimensions and an overview of disassembly.
Disassembly Procedures (9k-24k BTU)
Detailed steps for disassembling 9k-24k BTU indoor units.
Disassembly Procedures (30k-36k BTU)
Detailed steps for disassembling 30k-36k BTU indoor units.
Outdoor Unit Disassembly
Unit Identification and Dimensions
Details on unit models, panel plates, PCBs, and external dimensions.
Panel Plate Removal Procedures
Step-by-step guides for removing panel plates across different models.
Component Disassembly Procedures
Covers electrical components, fan assembly, valve, blanket, and compressor removal.
Troubleshooting
Safety and General Troubleshooting
Safety warnings, general troubleshooting, and error display information.
Information Inquiry and Complaint Handling
How to inquire unit status and record customer complaints.
Error Diagnosis and Maintenance by Code
Troubleshooting without error codes, quick maintenance, and detailed error code diagnosis.
Component Checks and Procedures
Guides for checking sensors, compressor, IPM, valves, and motors.
Appendix
Temperature Sensor Resistance Tables
Resistance values for T1, T2, T3, T4, and TP sensors at various temperatures.
Pressure and System Tables
Cooling/heating pressure charts and system pressure tables.
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Questions and answers