Mitsubishi Electric Mr.SLIM PUHZ-RP140YHA User Manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES
.................................
3
2. REFERENCE MANUAL
..................................
4
3. SAFETY PRECAUTION
..................................
5
4. FEATURES
......................................................
9
5. SPECIFICATIONS
.........................................
10
6. DATA
.............................................................
13
7. OUTLINES AND DIMENSIONS
....................
20
8. WIRING DIAGRAM
.......................................
25
9. WIRING SPECIFICATIONS
..........................
35
10. REFRIGERANT SYSTEM DIAGRAM
...............
40
11. TROUBLESHOOTING
...................................
43
12. FUNCTION SETTING
..................................
110
13. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
.....
117
14. EASY MAINTENANCE FUNCTION
............
127
15. DISASSEMBLY PROCEDURE
...................
132
16. PARTS LIST
................................................
154
17. RoHS PARTS LIST
.....................................
165
No.OC374
REVISED EDITION-F
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
R410A
May 2009
Outdoor unit
[model names]
PUHZ-RP35VHA2 PUHZ-RP35VHA3
PUHZ-RP50VHA2 PUHZ-RP50VHA3
PUHZ-RP60VHA2 PUHZ-RP60VHA3
PUHZ-RP71VHA2 PUHZ-RP71VHA3
PUHZ-RP100VHA2 PUHZ-RP100VHA3
PUHZ-RP125VHA2
PUHZ-RP140VHA2
PUHZ-RP100YHA2 PUHZ-RP100YHA3
PUHZ-RP125YHA2
PUHZ-RP140YHA2
[Service Ref.]
Service Ref. is on page 2.
PUHZ-RP60VHA2 PUHZ-RP60VHA2
1
PUHZ-RP71VHA2 PUHZ-RP71VHA2
1
PUHZ-RP60VHA3 PUHZ-RP71VHA3
PUHZ-RP60VHA3#1 PUHZ-RP71VHA3#1
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:
• "17. RoHS PARTS LIST" has
been modified.
• Please void OC374 REVISED
EDITION-E.

Mitsubishi Electric Mr.SLIM PUHZ-RP140YHA Specifications

General

Brand	Mitsubishi Electric
Model	Mr.SLIM PUHZ-RP140YHA
Category	Air Conditioner
Language	English

Summary

Technical Changes

PUHZ-RP60 / 71VHA3 PUHZ-RP60 / 71VHA3#1

Details technical modifications for specific outdoor units regarding thermistors and controller boards.

PUHZ-RP100VHA3 PUHZ-RP100VHA3#1

Details technical modifications for specific outdoor units including thermistors and controller boards.

PUHZ-RP125 / 140VHA21 PUHZ-RP125 / 140VHA2#2

Details technical modifications for specific outdoor units regarding thermistors, controller boards, compressor, and fan.

Reference Manual

2-1. Indoor Unit Service Manual

Lists service manuals for indoor units, cross-referencing model numbers.

2-2. Technical Data Book

Identifies the technical data book manual number for reference.

Safety Precaution

3-1. Always Observe for Safety

General safety advice before accessing terminals and performing electrical work.

3-2. Cautions Related to New Refrigerant

Specific precautions for using R410A refrigerant and associated tools.

3-3. Precautions When Reusing Existing R22 Refrigerant Pipes

Guidelines and flowchart for safely reusing R22 refrigerant piping with R410A systems.

Features

Chargeless System

Explains the pre-charged refrigerant system for simplified installation and improved reliability.

Refrigerant Leakage Detection Function

Describes the unit's capability to detect refrigerant leaks during operation.

Data

6-1. Refilling Refrigerant Charge (R410A : kg)

Table showing refrigerant charge amounts based on piping length for different models.

6-2. Compressor Technical Data

Provides technical specifications for compressor windings and resistance.

6-3. Noise Criterion Curves

Presents noise level data across various frequency bands for different models.

6-4. Standard Operation Data

Lists standard operational data (capacity, input, pressures, temperatures) for various model matches.

Outlines and Dimensions

Minimum Installation Space for Outdoor Unit

Specifies the minimum clearance required around the outdoor unit for proper operation and service.

Free Space Around the Outdoor Unit (Basic Example)

Illustrates a typical installation layout with recommended surrounding space.

1. Foundation Bolts

Details the requirements for securely mounting the unit using foundation bolts.

2. Piping-Wiring Direction

Indicates the permissible directions for refrigerant piping and wiring connections.

3. Attaching the Conduit

Provides guidance on how to attach conduit using a metal plate and screws.

Piping Knockout Hole Details

Shows dimensions and locations of holes for piping and wiring connections.

Wiring Diagram

PUHZ-RP35VHA2 PUHZ-RP50VHA2 PUHZ-RP60VHA2 PUHZ-RP71VHA2

Displays the electrical wiring diagram for a range of outdoor unit models.

PUHZ-RP35VHA3 PUHZ-RP50VHA3 PUHZ-RP60VHA3 PUHZ-RP71VHA3

Shows electrical wiring diagrams for PUHZ-RP35/50/60/71VHA3 models.

PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2

Presents the wiring diagram for PUHZ-RP100/125/140VHA2 outdoor units.

PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2

Displays wiring diagrams for PUHZ-RP100/125/140YHA2 outdoor units.

Wiring Specifications

9-1. Field Electrical Wiring (Power Wiring Specifications)

Specifies power wiring requirements, including wire size, circuit rating, and connections.

9-2. Separate Indoor Unit/ Outdoor Unit Power Supplies

Explains wiring configurations for separate power supplies for indoor and outdoor units.

9-3. Indoor – Outdoor Connecting Cable

Details specifications for indoor-outdoor connecting cables, including wire size and length.

9-4. M-NET Wiring Method

Provides guidelines for M-NET wiring, including precautions against noise and grounding.

Refrigerant System Diagram

PUHZ-RP35VHA2 PUHZ-RP35VHA21 PUHZ-RP35VHA3 PUHZ-RP50VHA2 PUHZ-RP50VHA21 PUHZ-RP50VHA3

Shows the refrigerant system diagram for specific PUHZ-RP models in cooling and heating modes.

PUHZ-RP60VHA2 PUHZ-RP60VHA21 PUHZ-RP71VHA2 PUHZ-RP71VHA21

Illustrates the refrigerant system diagram for specific PUHZ-RP models, showing flow in cooling and heating.

PUHZ-RP100/125/140VHA2 PUHZ-RP100/125/140YHA2 PUHZ-RP100/125/140VHA21 PUHZ-RP100/125/140YHA21 PUHZ-RP125/140VHA2#2 PUHZ-RP125/140YHA2#2 PUHZ-RP100VHA3 PUHZ-RP100YHA3 PUHZ-RP100VHA3#1 PUHZ-RP100YHA3#1

Displays the refrigerant system diagram for higher capacity PUHZ-RP models, including various configurations.

Troubleshooting

11-1. Troubleshooting

Summarizes error codes and actions for troubleshooting recurring and non-recurring issues.

11-2. Check Point Under Test Run

Outlines essential checks to perform before and during test runs to ensure proper operation.

11-3. How to Proceed "Self-Diagnosis"

Explains the procedure for initiating self-diagnosis to retrieve error codes and unit information.

11-3-1. When a Problem Occurs During Operation

Describes how problems are displayed on the remote controller and how to clear error codes.

11-3-2. Self-Diagnosis During Maintenance or Service

Details how to recall and check stored error code history for maintenance purposes.

11-3-3. Remote Controller Diagnosis

Provides steps to diagnose issues with the remote controller itself, including communication errors.

11-3-4. Malfunction-Diagnosis Method by Wireless Remote Controller

Outlines the method for performing malfunction diagnosis using a wireless remote controller.

11-4. Self-Diagnosis Action Table

A table listing error codes, their causes, and recommended actions for troubleshooting.

11-5. Troubleshooting by Inferior Phenomena

Addresses common operational issues and their corresponding countermeasures, categorized by observed phenomena.

11-6. How to Check the Parts

Provides resistance values and checks for various components like thermistors, motors, and valves.

11-7. How to Check the Components

Details thermistor feature charts and resistance values for checking component health.

11-8. Emergency Operation

Explains how to activate emergency operation mode when specific error codes are displayed.

11-9. Test Point Diagram

Illustrates test points on the outdoor controller circuit board for voltage and signal checks.

11-10. Function of Switches, Connectors and Jumpers

Describes the function and settings of various switches, connectors, and jumpers on the unit.

Function Setting

12-1. Unit Function Setting by the Remote Controller

Explains how to adjust unit functions like auto recovery, temperature settings, and mode selections via remote controller.

12-1-1. Selecting Functions Using the Wired Remote Controller

Provides a step-by-step guide for selecting functions using a wired remote controller.

12-1-2. Selecting Functions Using the Wireless Remote Controller (Type C)

Details the procedure for selecting functions using a wireless remote controller, including mode and setting adjustments.

12-2. Function Selection of Remote Controller

Lists and explains various remote controller functions that can be configured.

Monitoring the Operation Data by the Remote Controller

13-1. How to "Monitor the Operation Data"

Guides on accessing and viewing operation data, such as temperatures and compressor status, via the remote controller.

13-2. Request Code List

A comprehensive list of request codes and their corresponding data descriptions for monitoring.

13-2-1. Detail Contents in Request Code

Provides detailed explanations for various request codes, including operational states and control parameters.

Easy Maintenance Function

14-1. Maintenance Mode Operation Method

Explains how to enter and use the maintenance mode for checking operation data and performing fixed Hz operation.

14-2. Guide for Operation Condition

Provides a guide for checking operation conditions and diagnosing potential issues based on temperature data.

14-3. Initial Settings for Refrigerant Leakage Detection Function

Details the procedure for setting up the refrigerant leakage detection system, including initial learning.

Disassembly Procedure

1. Removing the Top Panel, Service Panel, Front Panel and Back Panel

Instructions for removing the outer panels to access internal components.

2. Removing the Fan Motor

Step-by-step guide for safely removing the fan motor assembly.

3. Removing the Electrical Parts Box

Instructions for accessing and removing the electrical parts box.

4. Removing the Thermistor <Outdoor 2-phase pipe> (TH6) and Thermistor <Outdoor pipe> (TH3) (TH33)

Procedure for removing outdoor thermistors, noting combined replacements.

13. Removing the Compressor (MC)

Detailed steps for removing the compressor, including refrigerant recovery and pipe disconnection.

14. Removing the Power Receiver

Instructions for removing the power receiver, including refrigerant recovery and pipe disconnection.

Parts List (non-RoHS compliant)

Functional and Electrical Parts PUHZ-RP35VHA2 PUHZ-RP50VHA2

Lists and illustrates functional and electrical parts for specific PUHZ-RP models.

Functional and Electrical Parts PUHZ-RP60VHA2 PUHZ-RP71VHA2

Provides an illustrated parts list for functional and electrical components of specific PUHZ-RP models.

Functional and Electrical Parts PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2

Lists and illustrates functional and electrical parts for higher capacity PUHZ-RP models.

Functional and Electrical Parts PUHZ-RP100VHA3 PUHZ-RP100VHA3#1 PUHZ-RP125VHA2#2 PUHZ-RP140VHA2#2

Illustrated parts list for functional and electrical components of specific PUHZ-RP models including #1 and #2 variants.

RoHS Parts List

Structural Parts PUHZ-RP35VHA2 PUHZ-RP35VHA21 PUHZ-RP35VHA3 PUHZ-RP50VHA2 PUHZ-RP50VHA21 PUHZ-RP50VHA3

Lists structural parts for specific PUHZ-RP models that are RoHS compliant.

Structural Parts PUHZ-RP60VHA2 PUHZ-RP60VHA21 PUHZ-RP60VHA3 PUHZ-RP60VHA3#1 PUHZ-RP71VHA2 PUHZ-RP71VHA21 PUHZ-RP71VHA3 PUHZ-RP71VHA3#1

Lists structural parts for specific PUHZ-RP models, including #1 variants, that are RoHS compliant.

Structural Parts PUHZ-RP100VHA21 PUHZ-RP100VHA3 PUHZ-RP125VHA21 PUHZ-RP125VHA2#2 PUHZ-RP140VHA21 PUHZ-RP140VHA2#2 PUHZ-RP100YHA3 PUHZ-RP100YHA3#1

Lists structural parts for various PUHZ-RP models, including #1 and #2 variants, that are RoHS compliant.