Pioneer YN020GMFI22M2D - User Manual

MULTI SPLIT SYSTEM OUTDOOR UNITS
SERVICE MANUAL
Multi zone
Two, Three, Four and Five Zones
DC INVERTER MULTI ZONE OUTDOOR UNITS
RevisionA:ODMI‐E‐1610‐PDB56/2017
ModelNumbers:
YN020GMFI22M2D Dual(2Zones)
YN030GMFI22M3D Triple(3Zones)
YN040GMFI22M4D Quad(4Zones)
YN050GMFI22M5D Quint(5Zones)
WARNING
 Installation MUST conform with local building codes or, in the absence of local codes, with the National Electrical
Code NFPA70/ANSI C1-1993 or current edition and Canadian Electrical Code Part1 CSA C.22.1.
 The information contained in the manual is intended for use by a qualified service technician familiar with safety
procedures and equipped with the proper tools and test instruments
 Installation or repairs made by unqualified persons can result in hazards to you and others as well as irreversible
equipment damage.
 Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property
damage, personal injury and/or death.
COPYRIGHT 2016, Parker Davis HVAC International Inc. All rights reserved. This document cannot be wholly or
partially copied, published or distributed without the written authorization from Parker Davis HVAC International, Inc.
Table of Contents
1. Indoor Unit Combination Table
2. Suggested Indoor Unit Model Numbers
3.
Dimension Of Outdoor U
nit
4.
Refrigerant Cycle D
iagram
5.
Installation De
tails
6.
Electronic Function
7.
Wiring Di
agrams
8.
Trouble Shooting
9.
Disassembly Instructions (Coming So
on)

Summary

DC INVERTER MULTI ZONE OUTDOOR UNITS

Installation Procedures

Initial System Setup

Evacuation and Refrigerant Charging

Step-by-step guide for evacuating and charging systems for various zone configurations.

Servicing Refrigeration Components

Pumping Down and Maintenance

Wiring Diagrams

Troubleshooting and Error Codes

Safety Precautions

Highlights safety precautions regarding high voltage capacitors and discharging power.

Indoor Unit Error Displays

Outdoor Unit Display and Error Codes

Explains outdoor unit display functions and lists error codes with LED status.

Detailed Diagnosis and Solutions

Indoor Unit Malfunctions

Troubleshooting for EEPROM, communication, fan speed, sensor, and mode conflict errors.

Compressor, IPM, and Protection Faults

Diagnosis for IPM, voltage, compressor, and protection-related errors (E4-P6).

Outdoor Unit Specific Errors (E0, E2, E3)

Troubleshooting for outdoor unit EEPROM, communication, and IPM board errors.

Main Parts Trouble Criteria

Disassembly Instructions

DUAL (2 ZONE) Outdoor Unit Disassembly

TRIPLE (3 ZONE) Outdoor Unit Disassembly

QUAD (4 ZONE) Outdoor Unit Disassembly

QUINT (5 ZONE) Outdoor Unit Disassembly

Pioneer YN020GMFI22M2D Specifications

General

Brand	Pioneer
Model	YN020GMFI22M2D
Category	Air Conditioner
Language	English