Mitsubishi Electric PUHZ-RP100VHA2 User Manual

SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. REFERENCE MANUAL··································2
2. SAFETY PRECAUTION··································3
3. FEATURES ·····················································7
4. SPECIFICATIONS···········································8
5. DATA ·····························································10
6. OUTLINES AND DIMENSIONS····················15
7. WIRING DIAGRAM·······································18
8. WIRING SPECIFICATIONS ··························21
9. REFRIGERANT SYSTEM DIAGRAM ··············26
10. TROUBLESHOOTING ··································29
11. FUNCTION SETTING····································86
12. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ············92
13. EASY MAINTENANCE FUNCTION············102
14. DISASSEMBLY PROCEDURE ···················107
15. PARTS LIST ················································129
16. RoHS PARTS LIST ·····································140
No.OC374
REVISED EDITION-A
R410A
July 2006
Outdoor unit
[model names]
PUHZ-RP35VHA2
PUHZ-RP50VHA2
PUHZ-RP60VHA2
PUHZ-RP71VHA2
PUHZ-RP100VHA2
PUHZ-RP125VHA2
PUHZ-RP140VHA2
PUHZ-RP100YHA2
PUHZ-RP125YHA2
PUHZ-RP140YHA2
[Service Ref.]
PUHZ-RP35VHA2
PUHZ-RP50VHA2
PUHZ-RP60VHA2
PUHZ-RP71VHA2
PUHZ-RP100VHA2
PUHZ-RP125VHA2
PUHZ-RP140VHA2
PUHZ-RP100YHA2
PUHZ-RP125YHA2
PUHZ-RP140YHA2
PUHZ-RP60VHA2
PUHZ-RP71VHA2
NOTE:
• This manual describes only
service data of the outdoor
units.
• RoHS compliant products have
<G> mark on the spec name
plate.
• For servicing of RoHS compli-
ant products, refer to the RoHS
PARTS LIST.
Revision:
• RoHS PARTS LIST is added.
• Some descriptions have been
modified.
• Please void OC374.
OC374A--1.qxp 06.7.26 5:07 PM Page 1

Mitsubishi Electric PUHZ-RP100VHA2 Specifications

General

Series	PUHZ-RP
Cooling Capacity (kW)	10.0
Heating Capacity (kW)	11.2
Energy Efficiency Class	A++
Refrigerant	R32
Outdoor Unit Noise Level	54 dB(A)

Summary

Reference Manual

Indoor Unit Service Manuals

Lists service manuals for indoor units, including Service Ref. and Service Manual No.

Technical Data Book

Refers to a separate technical data book manual, identified by manual number.

Safety Precautions

Cautions Related to New Refrigerant

Safety guidelines for using R410A refrigerant, covering pipe usage, oil types, and vacuum pumps.

Precautions for Reusing Existing R22 Pipes

Guidelines for reusing R22 refrigerant pipes with new air conditioning units, including flowchart.

Features

Chargeless System

Describes the pre-charged refrigerant system for simplified installation.

Refrigerant Leakage Detection Function

Explains the unit's capability to detect refrigerant leakage over time.

Specifications

Data

Refilling Refrigerant Charge Data

Details on refrigerant charge amounts based on piping length and model.

Compressor Technical Data

Technical data for compressor models, including winding resistance.

Outlines and Dimensions

Dimensions for PUHZ-RP35/50VHA2 Models

Physical dimensions and diagrams for PUHZ-RP35/50VHA2 outdoor units.

Installation Space Requirements

Guidelines for unit placement and required clearance for optimal operation.

Dimensions for PUHZ-RP60/71VHA2 Models

Physical dimensions and diagrams for PUHZ-RP60/71VHA2 outdoor units.

Dimensions for PUHZ-RP100/125/140VHA2 & YHA2 Models

Physical dimensions and diagrams for PUHZ-RP100/125/140VHA2 & YHA2 outdoor units.

Wiring Diagram

Wiring Diagrams for PUHZ-RP35/50/60/71VHA2 Models

Electrical wiring schematics for specific outdoor unit models.

M-NET Adapter Wiring Diagram

Wiring details for the M-NET communication adapter.

Wiring Diagrams for PUHZ-RP100/125/140VHA2 Models

Electrical wiring schematics for specific outdoor unit models.

Wiring Diagrams for PUHZ-RP100/125/140YHA2 Models

Electrical wiring schematics for specific outdoor unit models.

Wiring Specifications

Field Electrical Wiring Specifications

Power supply and wiring size requirements for field installation.

Wiring Systems (1:1, Synchronized Twin/Triple)

Description of different wiring system configurations.

Wiring Specifications Warning

Important safety warnings related to electrical wiring.

Separate Indoor/Outdoor Unit Power Supplies

Guidelines for configuring independent power supplies for indoor and outdoor units.

Indoor – Outdoor Connecting Cable

Specifications and requirements for inter-unit connection cables.

M-NET Wiring Method

Guidelines for proper M-NET communication wiring, including noise prevention.

Address Setting Regulations

Rules for setting unit addresses in M-NET systems, especially for group control.

Refrigerant System Diagram

Diagrams for PUHZ-RP35/50/60/71VHA2 Models

Refrigerant circuit diagrams for specific outdoor unit models.

Diagrams for PUHZ-RP100/125/140VHA2 & YHA2 Models

Refrigerant circuit diagrams for specific outdoor unit models.

Troubleshooting

Troubleshooting Overview and Test Run Checks

General troubleshooting steps, error code summary, and pre-test run checks.

Self-Diagnosis and Remote Controller Diagnosis

Procedures for performing self-diagnosis and diagnosing remote controller issues.

Error Code Analysis and Action Tables

Detailed error codes, symptoms, and recommended corrective actions.

Troubleshooting by Inferior Phenomena

Guides for diagnosing issues based on observed symptoms and error codes.

Function Setting

Unit Function Setting via Remote Controller

Overview of setting unit functions using the remote controller.

Function Selection Flowcharts

Visual guides detailing the procedure for selecting various unit functions.

Remote Controller Function Selection Details

Detailed explanations of selectable functions on the remote controller.

Monitoring the Operation Data by the Remote Controller

Monitoring Operation Data

Instructions for accessing and viewing operational data in maintenance mode.

Request Code List for Operation Data

List of request codes to retrieve specific operational data from the unit.

Easy Maintenance Function

Maintenance Mode Operation

Steps to activate and use the maintenance mode for data checking.

Operation Condition Guide

How to interpret operation data and check unit conditions using graphs.

Refrigerant Leakage Detection Setup

Procedure for initial setup and learning of the refrigerant leakage detection function.

Disassembly Procedure

Panel Removal

Steps to remove the top, service, front, and back panels.

Fan Motor Removal

Procedure for removing the fan motor assembly.

Electrical Parts Box Removal

Steps to access and remove the internal electrical components.

Thermistor Removal (TH6, TH3, TH33)

Procedure for removing outdoor 2-phase and outdoor pipe thermistors.

Thermistor Removal (TH7)

Procedure for removing the outdoor thermistor.

Thermistor Removal (TH3/TH33, TH4)

Procedure for removing outdoor pipe and discharge thermistors.

Solenoid Valves and Expansion Valves Removal

Steps for removing solenoid valve coils and expansion valve coils.

Four-Way Valve Removal

Procedure for removing the four-way valve.

Linear Expansion Valve Removal

Steps for removing the linear expansion valve.

Bypass Valve and Solenoid Coil Removal

Procedure for removing the bypass valve and its solenoid coil.

High Pressure Switch Removal

Steps for removing the high pressure switch.

Reactor and Capacitor Removal

Procedure for removing the reactor and capacitor.

Reactor Removal (ACL1, ACL2, ACL3)

Procedure for removing reactors ACL1, ACL2, and ACL3.

Compressor Motor Removal

Steps to remove the compressor motor.

Power Receiver Removal

Procedure for removing the power receiver.

Parts List (non-RoHS compliant)

Structural Parts (PUHZ-RP35/50VHA2)

List of structural components for PUHZ-RP35/50VHA2 models.

Structural Parts (PUHZ-RP60/71VHA2)

List of structural components for PUHZ-RP60/71VHA2 models.

Structural Parts (PUHZ-RP100/125/140VHA2 & YHA2)

List of structural components for PUHZ-RP100/125/140VHA2 & YHA2 models.

Functional Parts (PUHZ-RP35/50VHA2)

List of functional components for PUHZ-RP35/50VHA2 models.

Functional Parts (PUHZ-RP60/71VHA2)

List of functional components for PUHZ-RP60/71VHA2 models.

Functional Parts (PUHZ-RP100/125/140VHA2 & YHA2)

List of functional components for PUHZ-RP100/125/140VHA2 & YHA2 models.

RoHS Parts List

RoHS Functional Parts (PUHZ-RP35/50VHA2)

List of RoHS-compliant functional components for PUHZ-RP35/50VHA2 models.

RoHS Functional Parts (PUHZ-RP60/71VHA2)

List of RoHS-compliant functional components for PUHZ-RP60/71VHA2 models.

RoHS Functional Parts (PUHZ-RP100/125/140VHA2 & YHA2)

List of RoHS-compliant functional components for PUHZ-RP100/125/140VHA2 & YHA2 models.