Pioneer YN040GMFI22M4D 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)

Pioneer YN040GMFI22M4D Specifications

General

Brand	Pioneer
Model	YN040GMFI22M4D
Category	Air Conditioner
Language	English

Summary

DC INVERTER MULTI ZONE OUTDOOR UNITS

1. Indoor Unit Combination

4. Installation Details

5.3 Pipe length and the elevation

5.4 Installation for the first time:

5.4.1. FOR DUAL (2 ZONE SYSTEMS):

Procedure for evacuating and leak-testing dual-zone systems one circuit at a time.

5.4.2. FOR THREE, FOUR and FIVE ZONE SYSTEMS):

Evacuation and leak testing for three, four, and five zone systems.

5.4.3. Adding refrigerant if the pipe length exceeds standard factory pre-charge amount:

5.5 Adding or replacing the refrigerant after a refrigerant loss is discovered:

5a. If servicing a Two Zone (dual split) system,

Procedure for adding/replacing refrigerant in a two-zone system.

5b. If servicing a 3, 4 or 5 zone system,

Procedure for adding/replacing refrigerant in 3, 4, or 5 zone systems.

5.6 Procedure to remove, replace or service the refrigeration circuit of an indoor unit by Pumping down the system (isolating the refrigerant charge in the condensing unit):

5.7 Evacuation after servicing the outdoor unit refrigeration circuit

6. Electronic Function

6.3 Main Protection

6.4 Control and Functions

6.4.1 Capacity Request Calculation

7. Wiring Diagrams

8.1 Wiring diagram of DUAL (2) Circuit Outdoor Unit

8.2 Wiring diagram of TRIPLE (3) Circuit Outdoor Unit

8.3 Wiring diagram of QUAD (4) Circuit Outdoor Unit

8.4 Wiring diagram of QUINT (5) Circuit Outdoor Unit

8. Troubleshooting

8.1Safety

Safety precautions regarding high voltage capacitors and discharging them.

8.2 Indoor Unit Error Display

8.3 Outdoor Unit Display

8.3.1 Outdoor unit point check function:

Procedure to check unit states and display information using the SW1 pushbutton.

8.3.3 Outdoor unit error display codes

Lists outdoor unit error codes and their corresponding LED status and new indoor errors.

8.4 Diagnosis and Solution

8.4.1 Indoor unit trouble shooting

Troubleshooting guide for common indoor unit malfunctions.

8.4.2 Outdoor unit trouble shooting

8.5 Trouble Criterion of Main Parts.

9. Disassembly Instructions

DUAL (2 ZONE) OUTDOOR UNIT (WCA30 metal plate)

TRIPLE (3 ZONE) OUTDOOR UNIT (WD30 metal plate)

QUAD (4 ZONE) OUTDOOR UNIT (WD30 metal plate)

QUINT (5 ZONE) OUTDOOR UNIT (WE30 metal plate)