Pioneer WT018GLFI19HLD User Manual

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

Pioneer WT018GLFI19HLD Specifications

General

Brand	Pioneer
Model	WT018GLFI19HLD
Category	Air Conditioner
Language	English

Summary

Product Dimensions

Refrigeration Cycle Diagram

Operation Details

Remote Controller Functions

Explains the functions and usage of the remote controller for the air conditioner.

Electronic Controller: Safety & Protection

Covers safety mechanisms, protection features, and failure displays of the electronic controller.

Electronic Controller: Operating Modes

Details various operational modes like Cooling, Dry, Feel, Heating, and Defrosting.

Electronic Controller: Special Functions

Explains special functions like Sleep, Emergency, and Auto-Restart.

Error List

Protection and Failure Display Codes

Lists protection codes indicated by indicators and outdoor unit LEDs.

Wiring Diagram

Indoor Unit Wiring Diagram

Outdoor Unit Wiring Diagram

Precautions

Installation Safety Rules

Essential safety rules and recommendations for installing the air conditioner.

User Safety Rules

Safety Prohibitions

Installation Manual

Installation Details and Specifications

First-Time Installation Guide

Piping and Electrical Connections

Drainage and Bleeding Procedures

Troubleshooting

Outdoor Control System and PCB Overview

ODU PCB Connection Diagram

Troubleshooting Examples

Provides examples of common repairs for specific error codes.