Table of Contents
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Table of Contents
Related Manuals for Pioneer WT012ALFI19HLD
Summarization of Contents
1. Important Notice
How to Order Spare Parts
Instructions for ordering replacement parts, requiring model number, part name, etc.
2. Product Dimensions
Indoor Unit Dimensions
Table and diagrams showing dimensions (A, B, C) for various indoor unit models.
Outdoor Unit Dimensions
Table and diagrams showing dimensions (D, E, F, G, I, J, K) for various outdoor unit models.
3. Refrigeration Cycle Diagram
Cooling Only Operation Diagram
Diagram illustrating the refrigerant flow for cooling-only operation.
Heat Pump Operation Diagram
Diagram illustrating the refrigerant flow for heat pump operation.
4. Operation Details
Remote Controller Functions
Explains the functions of each button on the remote controller for system operation.
4.2 Electronic Controller
4.2.1 Safety Protection
Details safety protections for the electronic controller, including time delays and voltage/current monitoring.
4.2.2 "Feel" Mode Operation
Explains the "Feel" mode operation, including temperature settings based on room conditions.
4.2.3 Cooling Mode Operation
Explains compressor frequency control and auto fan control in cooling mode.
4.2.4 DRY Mode Operation
Details the operation of the DRY mode, including set temperature and fan speed.
4.2.5 HEATING Mode Operation
Explains frequency control and indoor fan motor control for heating mode.
4.2.6 SLEEP Mode
Describes the SLEEP mode operation, including fan speed, display, and temperature adjustments.
4.2.7 EMERGENCY Operation
Explains how to use the EMERGENCY operation switch for cooling, heating, or turning off the unit.
4.2.8 AUTO-RESTART Function
Details the optional AUTO-RESTART function and how to activate it.
4.2.9 Protection and Failure Display
Explains how error codes and protection indicators are displayed on the unit.
Error list
Error List Details
Lists failure types, LED codes, and digital LED codes for various system errors.
Protection Display Code List
Lists protection types and their corresponding function indicator (flash) and digital LED codes.
Outdoor Failure Display
Explains the LED indicator behavior on the outdoor power board for fault indication.
5. Wiring diagram
Indoor Unit Wiring Diagram
Provides the wiring diagram for the indoor unit, showing connections to the main control PCB.
Outdoor Unit Wiring Diagram
Provides the wiring diagram for the outdoor unit, showing connections to the power source board and components.
Wiring Diagram for Model WYT012GLFI19RL
Shows the wiring diagram for specific models, including indoor and outdoor unit connections.
Wiring Diagram for Multiple Models
Illustrates wiring connections for multiple models of indoor and outdoor units.
7. Precaution
7.1 Safety Rules for Installation
Provides essential safety rules and recommendations for installing the air conditioning unit.
7.2 Safety Rules for the User
Outlines safety recommendations for users regarding operation, cleaning, and maintenance of the unit.
7.3 Safety Rules and Prohibitions
Lists important safety rules and prohibitions to prevent hazards during appliance use and installation.
8. Names of parts
Indoor Unit Parts Identification
Identifies and labels the various parts of the indoor unit with corresponding numbers.
Outdoor Unit Parts Identification
Identifies and labels the various parts of the outdoor unit with corresponding numbers.
9. Installation manual
9.1 Installation Details
Covers details for installation, including connecting pipe length and connecting cables specifications.
9.2 Installation for the first time
Provides guidelines for the initial installation of the indoor and outdoor units, including placement and spacing.
9.2.1 Mounting Plate Installation
Details steps for installing the mounting plate for the indoor unit, including drilling and fixing.
9.2.2 Wall Piping Hole Drilling
Explains how to drill a hole in the wall for piping and install a flexible flange.
9.2.3 Indoor Unit Electrical Connections
Guides on making electrical connections for the indoor unit, including cable types and terminal connections.
9.2.4 Refrigerant Piping Connection
Describes how to run and connect the refrigerant piping, including binding pipes and drain hose.
9.2.5 Connecting the Pipes
Instructions for connecting the refrigerant pipes, including cap removal and pipe bending limits.
9.2.6 Indoor Unit Connections
Details connecting the indoor unit pipes, creating flanges, and tightening connections.
9.2.7 Indoor Unit Condensed Water Drainage
Emphasizes the importance of proper drainage setup for the indoor unit to prevent issues.
9.2.8 Electronic Connections
Guides on making electronic connections for the outdoor unit, including cable fastening and earth connection.
9.2.9 Connecting the Pipe
Instructions for connecting the refrigerant pipes to the outdoor unit couplings, including tightening torque.
9.2.10 Bleeding
Explains the process of bleeding air and humidity from the refrigerant circuit using a vacuum pump.
10. Trouble shooting
10.1 Outdoor Control Diagram
Illustrates the outdoor control system and its interaction with the indoor control system.
10.2 The Structure of ODU PCB
Shows the components and layout of the Outdoor Unit PCB, highlighting key functional blocks.
10.3 Connection of ODU PCB
Details the connection points and pin assignments on the Outdoor Unit PCB for various components.
10.4 Current Flow
Illustrates the flow of current through the indoor and outdoor units, including power supply and compressor connections.
10.5 Examples of repairing
Provides specific troubleshooting steps for common error codes displayed by the unit.
10.5.1 Display E1 or E2
Troubleshoots errors E1/E2 related to sensor connections or damage, and PCB failures.
10.5.2 Display E6
Troubleshoots errors E6 related to indoor motor connections or damage, and indoor main PCB failures.
10.5.3 Display E3, E7
Troubleshoots errors E3/E7 related to outdoor sensor connections/damage, and outdoor PCB failures.
10.5.4 Display E8
Troubleshoots errors E8 related to outdoor discharge pipe temp sensor connections/damage, and outdoor PCB failures.
10.5.5 Display E0,E5
Troubleshoots errors E0/E5 related to indoor/outdoor communication damage or voltage issues.
10.5.6 Display EA
Troubleshoots errors EA related to current sensor faults or refrigerant leakage.
10.5.7 Display E9 (P0 or P9)
Troubleshoots errors E9 related to outdoor PCB drive circuit damage, including compressor connection and heat radiation.
10.5.8 Display EU
Troubleshoots errors EU related to voltage sensor damage on the outdoor PCB.
10.5.9 Display EE
Troubleshoots errors EE related to EEPROM faults, requiring checking installation or replacing the PCB.
10.5.10 Display CL
Explains that CL error indicates air filter duty and requires cleaning the filter.
10.6 MALFUNCTION (PARTS) CHECK METHOD
Provides methods for checking malfunctioning parts, particularly for outdoor unit IPM/compressor.
10.6.1 Procedure for Defective Outdoor Unit IPM/Compressor
Flowchart to diagnose malfunctions when the compressor does not start or shows DC overcurrent.
10.6.3 E0,E5 Error
Provides detailed troubleshooting steps for E0/E5 errors involving wire connections, voltages, and PCB replacements.
10.6 DC Over Current Error
DC Over Current Error Diagnosis Flowchart
A flowchart guiding the diagnosis of DC over current errors, checking IPM, compressor, sensors, and heat exchange.
10.7 THERMISTOR TEMPERATURE CHARACTERISTICS
Indoor and Exchange Sensor Characteristics
Provides temp vs. resistance/voltage data for indoor and exchange temperature sensors.
Outdoor Unit Sensor Characteristics
Provides temp vs. resistance/voltage data for outdoor unit sensors.
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