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Mitsubishi Electric PUHZ-RP200YKAR1 User Manual

Mitsubishi Electric PUHZ-RP200YKAR1
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SERVICE MANUAL
No.OCH451
REVISED EDITION-A
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
R410A
January 2010
Outdoor unit
[model name]
PUHZ-RP35VHA4
PUHZ-RP50VHA4
PUHZ-RP60VHA4
PUHZ-RP71VHA4
PUHZ-RP100VKA
PUHZ-RP125VKA
PUHZ-RP140VKA
PUHZ-RP100YKA
PUHZ-RP125YKA
PUHZ-RP140YKA
PUHZ-RP200YKA
PUHZ-RP250YKA
[Service Ref.]
PUHZ-RP35VHA4
PUHZ-RP50VHA4
PUHZ-RP60VHA4
PUHZ-RP71VHA4
PUHZ-RP100VKA
PUHZ-RP125VKA
PUHZ-RP140VKA
PUHZ-RP100YKA
PUHZ-RP125YKA
PUHZ-RP140YKA
PUHZ-RP200YKA
PUHZ-RP200YKAR1
PUHZ-RP250YKA
PUHZ-RP60VHA4
PUHZ-RP71VHA4
Revision:
PUHZ-RP200YKAR1 is added in
REVISED EDITION-A.
Some descriptions have been
modified.
PARTS CATALOG (OCB451)
CONTENTS
1 TECHNICAL CHANGE ····································2
2 REFERENCE MANUAL ··································2
3 SAFETY PRECAUTION ··································2
4 FEATURES ······················································6
5 SPECIFICATIONS ···········································7
6 DATA ······························································10
7 OUTLINES AND DIMENSIONS ···················· 16
8 WIRING DIAGRAM ······································· 20
9 WIRING SPECIFICATIONS ··························· 26
10
REFRIGERANT SYSTEM DIAGRAM
··············31
11 TROUBLESHOOTING ···································35
12 FUNCTION SETTING ····································94
13
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
···101
14 EASY MAINTENANCE FUNCTION ·············111
15 DISASSEMBLY PROCEDURE ···················· 116
Note:
This manual does not cover the
outdoor units. When serving out-
door units, please refer to the serv-
ice manual of outdoor unit and this
manual in a set.
RoHS compliant products have <G>
mark on the spec name plate.
• Please void OCH451.

Table of Contents

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Mitsubishi Electric PUHZ-RP200YKAR1 Specifications

General IconGeneral
BrandMitsubishi Electric
ModelPUHZ-RP200YKAR1
CategoryAir Conditioner
LanguageEnglish

Summary

Technical Change

Reference Manual

Indoor Unit Service Manual

Lists service manuals for various indoor units and their corresponding service reference numbers.

Safety Precaution

Always Observe for Safety

Emphasizes disconnecting all supply circuits before accessing terminals.

Cautions Related to New Refrigerant

Provides specific cautions for units utilizing R410A refrigerant.

Features

Chargeless System

Pre-charged refrigerant supplied for piping length at shipment, simplifying installation.

Refrigerant Leakage Detection Function

Function to detect refrigerant leakage over a long period of use for specific models.

Specifications

Data

Refilling Refrigerant Charge (R410A : kg) PUHZ-RP35~140

Lists refrigerant charge amounts for various models based on piping length.

Adjusting the Amount of Refrigerant PUHZ-RP200/250

Details how to calculate additional refrigerant charge based on piping length for specific models.

Compressor Technical Data

Provides technical data for compressors, including winding resistance.

Noise Criterion Curves

Presents noise level data in octave band sound pressure levels for different models.

Standard Operation Data

Lists standard operation data (capacity, input, pressures, temperatures) for various models.

Outlines and Dimensions

Foundation Bolts

Details requirements for securing the unit with foundation bolts.

Piping-Wiring Direction

States that piping and wiring connections are made from the rear direction only.

Attaching the Conduit

Explains how to attach a conduit using a metal plate and screws.

Wiring Diagram

Wiring Specifications

Field Electrical Wiring (Power Wiring Specifications)

Specifies electrical wiring requirements, including wire size and circuit ratings for power supply.

Separate Indoor Unit/ Outdoor Unit Power Supplies

Details connection patterns for separate indoor and outdoor unit power supplies.

Indoor – Outdoor Connecting Cable

Specifies cable requirements and maximum lengths for indoor-outdoor connections.

M-NET Wiring Method

Provides guidelines and precautions for M-NET wiring installations.

Refrigerant System Diagram

Troubleshooting

Troubleshooting

Provides a summary of actions for recurring and non-recurring troubles, based on error code display.

Check Point Under Test Run

Lists essential checks to perform before starting a test run for troubleshooting.

How to Proceed "Self-Diagnosis"

Explains how to access and interpret self-diagnosis information from the remote controller.

When a Problem Occurs During Operation

Details how to handle problems during operation, including error code display.

Self-Diagnosis During Maintenance or Service

Explains how to recall error code history during maintenance or service.

Remote Controller Diagnosis

Provides a procedure to diagnose remote controller malfunctions and communication issues.

Malfunction-diagnosis method by wireless remote controller

Describes how to perform malfunction diagnosis using the wireless remote controller.

Self-Diagnosis Action Table

Lists error codes and corresponding actions for diagnosing abnormalities detected when power is applied.

Troubleshooting by Inferior Phenomena

Provides troubleshooting steps based on observed phenomena and their potential causes.

Symptoms: “PLEASE WAIT” is kept being displayed on the remote controller

Guides through troubleshooting the "PLEASE WAIT" display issue on the remote controller.

Symptoms: Nothing is displayed on the remote controller

Provides a diagnostic flow for troubleshooting when the remote controller displays nothing.

Function Setting

Functions available when setting the unit number to 01-03 or AL (07 in case of wireless remote controller)

Details function settings for different indoor unit numbers and system types.

Selecting functions using the wired remote controller

Explains the procedure for selecting functions using the wired remote controller.

Selecting functions using the wireless remote controller (Type C)

Details how to select functions using the wireless remote controller.

Function Selection of Remote Controller

Covers various settings for the remote controller, including language and display options.

Monitoring the Operation Data by the Remote Controller

How to "Monitor the Operation Data"

Explains how to access and view operation data using the remote controller's service monitor.

Request Code List

Lists request codes and their corresponding descriptions for monitoring operation data.

Easy Maintenance Function

Maintenance Mode Operation Method

Provides instructions for entering and using maintenance mode via the remote controller.

Guide for Operation Condition

Details how to check and interpret operation conditions using temperature data and graphs.

Initial Settings for Refrigerant Leakage Detection Function

Explains the initial settings required to enable the refrigerant leakage detection function.

Disassembly Procedure

Removing the top panel, service panel, front panel and back panel

Step-by-step instructions for removing the top, service, front, and back panels.

Removing the fan motor

Instructions for removing the fan motor and its components.

Removing the electrical parts box

Details on removing the electrical parts box and its connectors.

Removing the thermistor <Outdoor 2-phase pipe> (TH6)

Instructions for removing the outdoor 2-phase pipe thermistor (TH6).

Removing the thermistor <Outdoor> (TH7)

Instructions for removing the outdoor thermistor (TH7).

Removing the 4-way valve

Instructions for removing the 4-way valve.

Removing the linear expansion valve

Instructions for removing the linear expansion valve.

Removing the high pressure switch (63H) (63H1) (63H2)

Instructions for removing the high pressure switch.

Removing the compressor (MC)

Instructions for removing the compressor.

Removing the power receiver

Instructions for removing the power receiver.

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