Pioneer YN024GLFI19RPD 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 YN024GLFI19RPD Specifications

General

Brand	Pioneer
Model	YN024GLFI19RPD
Category	Air Conditioner
Language	English

Summary

Operation Details

Remote Controller Functions

Remote Control Mode Setting

Electronic Controller Safety Protection

Outlines various safety protection mechanisms within the electronic controller.

HEATING Mode Operation

Defrosting Operation

Indoor Overheat Protection

Describes the protection mechanism for indoor heat exchanger overheating.

Special Modes and Displays

Error List and Codes

Protection Display Codes

Lists protection types and their corresponding function indicator and digital LED codes.

Outdoor Unit Failure Display

Explains the LED indicator on the outdoor power board for failure diagnosis.

Outdoor Power Source Board Display

Wiring Diagrams

Safety Rules for Installation

Safety Rules for Users

Safety Prohibitions

Installation Manual Overview

Installation Details and Requirements

First Time Installation Guidelines

Indoor Unit Installation Steps

Mounting Plate Installation

Piping Hole Drilling

Indoor Unit Electrical Connections

Refrigerant Piping and Drainage

Refrigerant Piping Connection

Indoor Unit Pipe Connections

Indoor Unit Water Drainage

Outdoor Unit Connections and Bleeding

Outdoor Unit Electronic Connections

Outdoor Unit Pipe Connection

Refrigerant Circuit Bleeding

Troubleshooting Overview

Outdoor Control and PCB Diagrams

Outdoor Control Diagram

Diagram illustrating the control system of the outdoor unit and its components.

Troubleshooting Repair Examples

Display E1 or E2 Faults

Troubleshooting steps for display errors E1 or E2 related to sensor faults.

Display E6 Faults

Troubleshooting steps for display error E6 related to the indoor motor.

Display E3, E7 Faults

Troubleshooting steps for display errors E3 or E7 related to outdoor sensors.

Display E8 Faults

Troubleshooting steps for display error E8 related to outdoor discharge pipe temperature sensor.

Display E0, E5 Faults

Troubleshooting steps for display errors E0 or E5 related to communication faults.

Display EA Faults

Troubleshooting steps for display error EA related to current sensor faults.

Display E9/P0/P9 Faults

Troubleshooting steps for display errors E9, P0, or P9 related to outdoor PCB drive circuit.

Display EU Faults

Display EE Faults

Malfunction Check Methods

IPM/Compressor Malfunction Check

DC Over Current Error Troubleshooting

E0, E5 Error Troubleshooting