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Mitsubishi Electric PU-P100YHA User Manual

Mitsubishi Electric PU-P100YHA
104 pages
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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES
.................................
3
2. REFERENCE MANUAL
..................................
4
3. SAFETY PRECAUTION
..................................
5
4. FEATURES
......................................................
8
5. SPECIFICATIONS
...........................................
9
6. DATA
.............................................................
11
7. OUTLINES AND DIMENSIONS
....................
15
8. WIRING DIAGRAM
.......................................
19
9. WIRING SPECIFICATIONS
..........................
23
10.
REFRIGERANT SYSTEM DIAGRAM
...............
28
11. TROUBLESHOOTING
...................................
30
12. FUNCTION SETTING
....................................
66
13. DISASSEMBLY PROCEDURE
.....................
73
14. PARTS LIST
..................................................
82
15. RoHS PARTS LIST
.......................................
88
No.OC379
REVISED EDITION-F
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
R410A
April 2012
Outdoor unit
[Model names]
PU-P71VHA PUH-P71VHA
PU-P71YHA PUH-P71YHA
PU-P100VHA PUH-P100VHA
PU-P100YHA PUH-P100YHA
PU-P125YHA PUH-P125YHA
PU-P140YHA PUH-P140YHA
PU(H)-P71VHA(1).UK PU(H)-P71VHA#2.UK
PU(H)-P71YHA
(1).UK PU(H)-P71YHA#2.UK
PU(H)-P100VHA
(1).UK PU(H)-P100VHA#2.UK
PU(H)-P100YHA
(1).UK PU(H)-P100YHA#2.UK
Note:
This manual describes only
service data of the outdoor
units.
RoHS compliant products
have <G> mark on the spec
nameplate.
For servicing of RoHS com-
pliant products, refer to the
RoHS Parts List.
Revision:
PU(H)-P125/140YHAR4.UK
have been added in
REVISED EDITION-F.
Some descriptions have
been modified.
Please void OC379
REVISED EDITION-E.
[Service Ref.]
Service Ref. is on page 2.

Table of Contents

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Mitsubishi Electric PU-P100YHA Specifications

General IconGeneral
Cooling Capacity10.0 kW
Heating Capacity11.2 kW
RefrigerantR410A
Indoor Unit Weight15 kg
TypeSplit System
Power Supply380-415V, 50Hz
Indoor Unit Dimensions (WxHxD)1100 x 325 x 238 mm
Outdoor Unit Noise Level53 dB(A)
Outdoor Unit Dimensions (WxHxD)950 x 1380 x 370 mm

Summary

Technical Changes

Thermistor Change

Thermistor replaced from discharge temp to compressor surface temp.

Fan Grille Change

Fan grille component has been modified.

Structural Parts Change

Modification to structural parts, e.g., Munsell color change.

Outdoor Controller Board Change

Outdoor controller board (O.B) has been updated or changed.

Reference Manuals

Indoor Unit Service Manuals

Lists model names and corresponding service manual references for indoor units.

Technical Data Book Reference

Provides the manual number for technical data.

Safety Precautions

General Safety Precautions

Disconnect all supply circuits before accessing terminals.

R410A Refrigerant Cautions

Cautions for using R410A refrigerant, including piping, tools, and handling.

Features

Chargeless System

Pre-charged refrigerant supplied for shipment, improving quality and installation speed.

Specifications

Outdoor Unit Specifications

Technical details for outdoor units including power, compressor, fan, and dimensions.

Refrigerant Piping Specifications

Details on pipe size, connection method, and piping length limits.

Data

Refilling Refrigerant Charge

Table of refrigerant charge (kg) based on piping length.

Compressor Technical Data

Winding resistance data for different compressor models.

Noise Criterion Curves

Octave band sound pressure levels for cooling and heating modes.

Standard Operation Data

Performance data for cooling mode, including capacity, input, and various temperatures/pressures.

Outlines and Dimensions

Unit Dimensions and Installation Space

Diagrams showing overall dimensions, service space, and foundation bolts.

Piping and Wiring Directions

Details on how piping and wiring connections are made from different directions.

Wiring Diagram

Wiring Diagram and Symbol Explanations

Schematic showing electrical connections and a list of symbols used.

Wiring Specifications

Field Electrical Wiring Specifications

Power wiring specifications including wire size and circuit rating.

System Electrical Wiring

Wiring diagrams for synchronized twin and triple systems.

Separate Indoor/Outdoor Unit Power Supplies

1:1 System Power Supply Configuration

Wiring patterns for single indoor/outdoor unit systems.

Twin/Triple System Separate Power Supply

Wiring patterns for multi-unit systems with separate power supplies.

Indoor-Outdoor Connecting Cable

Connecting Cable Specifications

Details on cross-section, wire size, number of wires, polarity, and length.

M-NET Wiring Method

M-NET Wiring and Grounding Guidelines

Guidelines for M-NET wiring to prevent noise and ensure proper grounding.

M-NET Address Setting

M-NET Address Setting Procedure

How to set M-NET addresses using rotary switches on the outdoor unit.

Refrigerant Address Setting Procedure

How to set refrigerant addresses using DIP switches on the outdoor controller board.

Address Setting Regulations

Rules for setting addresses in multi-grouping systems to avoid conflicts.

Refrigerant System Diagram

Refrigerant System Schematics

Schematics illustrating refrigerant flow for different models and modes.

Troubleshooting

Troubleshooting Overview and Test Run Procedures

Summary of troubleshooting, test run procedures, symptoms, and LED indicators.

Self-Diagnosis Procedures

Steps for self-diagnosis during operation, maintenance, and remote controller checks.

Error Codes and Troubleshooting Actions

Comprehensive list of error codes, their meanings, and recommended actions.

M-NET Communication Errors

Specific error codes related to M-NET communication and their resolution.

Common Operational Problems and Solutions

Troubleshooting guide for common operational issues and noises.

Component Checks and Error Code Details

Procedures for checking parts, resistance values, and detailed error code explanations.

Function Setting

Unit Function Settings via Wired Remote Controller

Overview of setting functions using the wired remote controller.

Function Setting Procedures and Flowcharts

Detailed procedures and flowcharts for setting various functions via remote controller.

Disassembly Procedure

Removing Service Panel and Top Panel

Steps to remove the service and top panels for access.

Removing Fan Motor

Procedure to detach the fan motor assembly.

Removing Electrical Parts Box

Steps to remove the electrical parts box and disconnect internal wiring.

Removing Thermistors

Procedures for removing outdoor pipe, discharge, and compressor surface thermistors.

Removing Solenoid Coils and Four-Way Valve

Steps to remove solenoid valve coils (Four-way, Bypass) and the four-way valve itself.

Removing Linear Expansion Valve

Procedure to remove the linear expansion valve coil and assembly.

Removing High/Low Pressure Switches

Steps to remove the high pressure (63H) and low pressure (63L) switches.

Removing Compressor Motor and Accumulator

Procedures to remove the compressor motor and the accumulator assembly.

Parts List (non-RoHS compliant)

Structural Parts List

List of structural components with part numbers, specifications, and quantities.

RoHS Parts List

RoHS Structural Parts List

List of structural components compliant with RoHS, including part details and quantities.

RoHS Functional Parts List

List of functional components compliant with RoHS, with part details and quantities.

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