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Pioneer WT012GLFI19HLD User Manual

Pioneer WT012GLFI19HLD
39 pages
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CS78421-548-754
DUCTLESS MINI SPLIT SYSTEM AIR CONDITIONER / HEAT PUMP
IMPORTANT NOTICE:
Please read this manual carefully before installing
or operating your new air conditioning system.
Be sure to save this manual for future reference.
Service Manual
WYT Inverter Series
For
9,000-36,000 BTU/hr Systems

Table of Contents

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Pioneer WT012GLFI19HLD Specifications

General IconGeneral
BrandPioneer
ModelWT012GLFI19HLD
CategoryAir Conditioner
LanguageEnglish

Summary

Important Notice

Operation Details

Remote Controller Functions

Details each button on the remote controller and how to set the unit type (Cooling Only/Heat Pump).

Electronic Controller Features

Safety Protection Mechanisms

Details safety protections like time delay, over-voltage, over-current, and compressor abnormality.

Protection and Failure Display

Information on error codes displayed and how the system indicates failures.

Error and Protection Codes

Wiring Diagrams

Indoor Unit Wiring Diagram

Schematic showing electrical connections for the indoor unit's main control PCB and components.

Outdoor Unit Wiring Diagram

Schematic showing electrical connections for the outdoor unit, power source board, and components.

Precautions

Installation Safety Rules

Guidelines for safe installation procedures, electrical safety, and unit placement.

User Safety Rules

User safety precautions regarding operation, cleaning, maintenance, and potential hazards.

Safety Rules and Prohibitions

Prohibits unsafe practices like cord damage, unauthorized modifications, and contact with water.

Installation Manual

Installation Details

Information on connecting pipes, refrigerant piping length, and connecting cables.

Trouble Shooting

Display E0, E5 Troubleshooting

Troubleshooting steps for communication errors E0 and E5 between indoor and outdoor units.

Display E9, P0, P9 Troubleshooting

Troubleshooting steps for error codes E9, P0, P9 related to outdoor PCB drive circuit.

Malfunction Check Method

Guides for diagnosing specific component malfunctions like IPM/compressor.

DC Over Current Error Diagnosis

Detailed flowchart for diagnosing and resolving DC over current errors in the outdoor unit.

E0, E5 Error Diagnosis

Flowchart for diagnosing and resolving E0 and E5 errors, often related to communication.

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