Mitsubishi Electric Mr.Slim PUHZ-RP35VHA2 User Manual (English)

Questions and Answers:

G
gabriel66Aug 1, 2025
What to do if the Mitsubishi Electric Mr.Slim PUHZ-RP35VHA2 trouble is not reoccurring and is logged?
- T
  Thomas MillerAug 1, 2025
  If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and is logged, consider temporary defects such as the activation of protection devices in the refrigerant circuit (including the compressor), poor wiring connections, or noise. Re-check the symptoms, installation environment, refrigerant amount, weather conditions when the trouble occurred, and wiring. After servicing, reset the error code logs and restart the unit. This indicates there is no abnormality in the electrical components, controller board, or remote controller.
D
Deborah WilliamsAug 7, 2025
What to do if the Mitsubishi Electric Air Conditioner trouble is not reoccurring and is not logged?
- G
  garnerkellyAug 7, 2025
  If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and is not logged, re-check for the abnormal symptom. Troubleshoot to ascertain the cause, referring to the troubleshooting guide for inferior phenomena. If the cause is not found, continue to operate the unit for the time being. This suggests there is no immediate abnormality concerning parts like the electrical components, controller board, or remote controller.
E
elaine92Aug 13, 2025
What to do if inferior phenomenon is not reoccurring and logged in Mitsubishi Electric Mr.Slim PUHZ-RP35VHA2?
- V
  vwebsterAug 13, 2025
  If the inferior phenomenon is not reoccurring and is logged, it may be due to temporary defects such as the operation of protection devices in the refrigerant circuit (including the compressor), poor wiring connections, or noise. Here's what you should do: 1. Consider these temporary defects and re-check the symptom. Also, check the installation environment, refrigerant amount, weather conditions when the issue occurred, and wiring. 2. Reset the error code logs and restart the unit after completing the service. 3. Note that there may be no abnormality concerning parts such as electrical components, controller board, or remote controller.
B
barbara24Aug 18, 2025
What to do if inferior phenomenon is reoccurring and displayed on Mitsubishi Electric Air Conditioner?
- K
  Katherine JonesAug 19, 2025
  If the inferior phenomenon is reoccurring and displayed, you should determine the problem and take corrective action according to the “10-4. Self-diagnosis action table.”
E
Eddie CampbellAug 26, 2025
What to do if inferior phenomenon is not reoccurring and not logged in Mitsubishi Electric Mr.Slim PUHZ-RP35VHA2?
- T
  Troy MullenAug 26, 2025
  If the inferior phenomenon is not reoccurring and not logged, follow these steps: 1. Re-check the abnormal symptom. 2. Conduct troubleshooting to ascertain the cause of the inferior phenomenon according to “10-5. Troubleshooting by inferior phenomena”. 3. If the cause is not determined, continue to operate the unit for the time being. 4. Note that there may be no abnormality concerning parts such as electrical components, the controller board, or the remote controller.

Mitsubishi Electric Mr.Slim PUHZ-RP35VHA2 Specifications

General

Model	PUHZ-RP35VHA2
Brand	Mitsubishi Electric
Series	Mr.Slim
Cooling Capacity	3.5 kW
Heating Capacity	4.0 kW
Power Supply	220-240 V
Voltage (V)	220-240 V
Phase	Single
Refrigerant	R410A
Coefficient of Performance (Heating)	3.61

Summary

TECHNICAL CHANGES

REFERENCE MANUAL

2-1. INDOOR UNIT SERVICE MANUAL

Lists service manuals for indoor units, including model names and service reference numbers.

2-2. TECHNICAL DATA BOOK

Provides technical data book information, specifically Manual No. OCS05.

SAFETY PRECAUTION

3-1. ALWAYS OBSERVE FOR SAFETY

Emphasizes disconnecting power supply before accessing terminals for safety.

3-2. CAUTIONS RELATED TO NEW REFRIGERANT

Details precautions for units utilizing R410A refrigerant, covering pipes, tools, and handling.

3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES

Provides a flowchart and guidelines for safely reusing existing R22 refrigerant pipes.

(2) Cautions for refrigerant piping work

Covers cautions related to refrigerant piping work, including tools and pipe dimensions for R410A.

FEATURES

CHARGELESS SYSTEM

Explains the pre-charged refrigerant system for piping length at shipment, simplifying installation.

REFRIGERANT LEAKAGE DETECTION FUNCTION

Describes the unit's capability to detect refrigerant leakage during long-term use.

SPECIFICATIONS

5. SPECIFICATIONS

Lists detailed specifications for various outdoor unit models, including power, refrigerant, dimensions, and weight.

DATA

6-1. REFILLING REFRIGERANT CHARGE (R410A : kg)

Provides refrigerant charge data (kg) based on piping length for R410A refrigerant.

6-2. COMPRESSOR TECHNICAL DATA

Details compressor technical data, including winding resistance and model information, for various units.

6-3. NOISE CRITERION CURVES

Presents noise criterion curves (dB) for different outdoor unit models across various frequencies.

6-4. STANDARD OPERATION DATA

Lists standard operation data for indoor and outdoor units, including capacity, input, and refrigerant circuit details.

OUTLINES AND DIMENSIONS

Minimum installation space for outdoor unit

Specifies required clearance around the outdoor unit for proper installation and airflow.

Free space around the outdoor unit (basic example)

Illustrates recommended free space around the outdoor unit for basic installation scenarios.

1. FOUNDATION BOLTS

Provides guidance on securing the unit firmly with foundation bolts (M10).

2. PIPING-WIRING DIRECTION

Indicates that piping and wiring connections can be made from the rear direction only.

3. ATTACHING THE CONDUIT

Explains the procedure for attaching conduit, including fixing a metal plate to the back panel.

WIRING DIAGRAM

M-NET ADAPTER

Details the wiring connections and components related to the M-NET adapter.

M-NET ADAPTER (OPTION)

Describes the optional M-NET adapter connections and components for extended functionality.

WIRING SPECIFICATIONS

9-1. FIELD ELECTRICAL WIRING (power wiring specifications)

Outlines power wiring specifications, including circuit rating and wire size for various outdoor units.

9-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES

Explains connection patterns and considerations for separate indoor and outdoor unit power supplies.

9-3. INDOOR – OUTDOOR CONNECTING CABLE

Specifies requirements for indoor-outdoor connecting cables, including wire size and maximum length.

9-4. M-NET WIRING METHOD

Provides instructions and precautions for wiring the M-NET communication system.

9-4-1. M-NET address setting

Explains how to set M-NET addresses for outdoor units using rotary switches.

9-4-2. Refrigerant address setting

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

9-4-3. Regulations in address settings

Outlines regulations for setting M-NET and refrigerant addresses in multi-group systems.

REFRIGERANT SYSTEM DIAGRAM

10-1. Refrigerant recovering (pump down)

Provides step-by-step procedures for recovering refrigerant when moving units.

10-2. Unit replacement operation

Describes the replacement operation procedure for reusing existing R22 refrigerant pipes.

10-3. Start and finish of test run

Explains how to perform test runs using the indoor unit or outdoor unit controls.

TROUBLESHOOTING

11-1. TROUBLESHOOTING

Summarizes error code display and actions for recurring and non-recurring troubles.

11-2. CHECK POINT UNDER TEST RUN

Lists key checks to perform before starting a test run, including refrigerant leaks and polarity.

11-3. HOW TO PROCEED "SELF-DIAGNOSIS"

Guides on accessing and interpreting self-diagnosis results via the remote controller.

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

Explains 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 error code history for each unit during maintenance.

Test run [for wireless remote controller]

Provides operating procedures for performing a test run using the wireless remote controller.

11-3-3. Remote Controller Diagnosis

Explains how to diagnose remote controller issues and check transmission paths.

11-3-4. Malfunction-diagnosis method by wireless remote controller

Outlines the procedure for diagnosing malfunctions using the wireless remote controller.

[Output pattern A] Errors detected by indoor unit

Lists error codes, symptoms, and remarks for errors detected by the indoor unit.

[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)

Lists error codes, symptoms, and remarks for errors detected by the outdoor unit.

11-4. SELF-DIAGNOSIS ACTION TABLE

Provides a table for diagnosing abnormalities detected when power is applied.

<Abnormalities detected when the power is put on>

Details diagnostic steps for abnormalities detected upon initial power-up.

<Abnormalities detected while unit is operating>

Details diagnostic steps for abnormalities occurring during unit operation.

11-5. TROUBLESHOOTING BY INFERIOR PHENOMENA

Addresses common phenomena related to unit or remote controller malfunction and their countermeasures.

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

Provides a diagnosis flow for troubleshooting the "PLEASE WAIT" display on the remote controller.

Symptoms: Nothing is displayed on the remote controller

Offers a diagnosis flow for troubleshooting when the remote controller display is blank.

Unit does not operate at all.

Lists customer calls and corresponding responses for units that do not operate.

The room cannot be cooled or heated sufficiently.

Addresses customer complaints about insufficient cooling or heating performance.

Sound comes out from the air conditioner.

Explains common sounds from the air conditioner and whether they are normal or indicate a fault.

Something is wrong with the blower…..

Details troubleshooting steps for issues related to the blower operation and airflow.

Something is wrong with the airflow direction….

Explains how airflow direction is controlled during different operating modes and potential issues.

A white mist is expelled from the indoor unit.

Addresses the phenomenon of white mist from the indoor unit and its causes.

The display of wireless remote controller gets dim or doesn’t come on.

Provides troubleshooting for dim or non-functional wireless remote controller displays.

HOW TO CHECK THE PARTS

11-6. HOW TO CHECK THE PARTS

Provides methods for checking the resistance of various components like thermistors and coils.

<Thermistor feature chart>

Details the resistance characteristics of low, medium, and high-temperature thermistors at different temperatures.

HOW TO CHECK THE COMPONENTS

11-7. HOW TO CHECK THE COMPONENTS

Guides on checking components like thermistors, solenoid valves, and motors using resistance measurements.

<Thermistor feature chart>

Details the resistance characteristics of low, medium, and high-temperature thermistors at different temperatures.

Linear expansion valve (RP35-RP71)

(1) Operation summary of the linear expansion valve

Explains how the linear expansion valve operates based on pulse signals from the controller.

<Output pulse signal and the valve operation>

Illustrates the relationship between output pulse signals and the valve's opening/closing states.

(2) Linear expansion valve operation

Describes the smooth movement and sound characteristics of the linear expansion valve during operation.

<Connection between the outdoor controller board and the linear expansion valve>

Shows the wiring diagram connecting the linear expansion valve to the outdoor controller board.

Linear expansion valve (RP100-RP140)

(1) Operation summary of the linear expansion valve

Explains how the linear expansion valve operates based on pulse signals from the controller.

<Output pulse signal and the valve operation>

Illustrates the relationship between output pulse signals and the valve's opening/closing states.

(2) Linear expansion valve operation

Describes the smooth movement and sound characteristics of the linear expansion valve during operation.

<Connection between the outdoor controller board and the linear expansion valve>

Shows the wiring diagram connecting the linear expansion valve to the outdoor controller board.

EMERGENCY OPERATION

(1) When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor unit...

Explains conditions under which emergency operation is available for specific error codes.

(2) Check the following items and cautions for emergency operation

Lists important checks and cautions before initiating emergency operation.

(3) Emergency operation procedure

Provides a step-by-step guide for activating emergency operation using switches and connectors.

(4) Releasing emergency operation

Details the procedure for safely releasing the unit from emergency operation mode.

(5) Operation data during emergency operation

Lists the specific operation data values used during emergency operation when communication is unavailable.

TEST POINT DIAGRAM

Outdoor controller circuit board

Illustrates test points on the outdoor controller circuit board for diagnosing electrical issues.

Outdoor noise filter circuit board PUHZ-RP35VHA2 PUHZ-RP50VHA2

Shows the layout and connections of the outdoor noise filter circuit board for specific models.

Outdoor noise filter circuit board PUHZ-RP35VHA21 PUHZ-RP35VHA3 PUHZ-RP50VHA21 PUHZ-RP50VHA3

Illustrates the outdoor noise filter circuit board connections for various models.

Outdoor noise filter circuit board PUHZ-RP60VHA2 PUHZ-RP71VHA2

Shows the layout and connections of the outdoor noise filter circuit board for specific models.

Outdoor noise filter circuit board PUHZ-RP60VHA21 PUHZ-RP60VHA3 PUHZ-RP60VHA3#1 PUHZ-RP71VHA21 PUHZ-RP71VHA3 PUHZ-RP71VHA3#1

Illustrates the outdoor noise filter circuit board connections for various models.

Outdoor noise filter circuit board PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2

Shows the layout and connections of the outdoor noise filter circuit board for specific models.

Outdoor noise filter circuit board PUHZ-RP100VHA21 PUHZ-RP125VHA21 PUHZ-RP125VHA2#2 PUHZ-RP140VHA21 PUHZ-RP140VHA2#2 PUHZ-RP100VHA3 PUHZ-RP100VHA3#1

Illustrates the outdoor noise filter circuit board connections for various models.

Outdoor noise filter circuit board PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2

Shows the layout and connections of the outdoor noise filter circuit board for specific models.

Outdoor noise filter circuit board PUHZ-RP100YHA21 PUHZ-RP125YHA21 PUHZ-RP125YHA2#2 PUHZ-RP140YHA21 PUHZ-RP140YHA2#2 PUHZ-RP100YHA3 PUHZ-RP100YHA3#1

Illustrates the outdoor noise filter circuit board connections for various models.

Outdoor power circuit board PUHZ-RP35VHA2 PUHZ-RP50VHA2 PUHZ-RP60VHA2 PUHZ-RP71VHA2

Shows the layout and test points of the outdoor power circuit board for specific models.

Outdoor power circuit board PUHZ-RP35VHA21 PUHZ-RP50VHA21 PUHZ-RP60VHA21 PUHZ-RP71VHA21 PUHZ-RP35VHA3 PUHZ-RP50VHA3 PUHZ-RP60VHA3 PUHZ-RP60VHA3#1 PUHZ-RP71VHA3 PUHZ-RP71VHA3#1

Illustrates the outdoor power circuit board layout and test points for various models.

Outdoor power circuit board PUHZ-RP100VHA2 PUHZ-RP100VHA21 PUHZ-RP125VHA2 PUHZ-RP125VHA21 PUHZ-RP125VHA2#2 PUHZ-RP140VHA2 PUHZ-RP140VHA21 PUHZ-RP140VHA2#2 PUHZ-RP100VHA3 PUHZ-RP100VHA3#1

Shows the outdoor power circuit board layout and test points for various models.

Outdoor power circuit board PUHZ-RP100YHA2 PUHZ-RP100YHA21 PUHZ-RP125YHA2 PUHZ-RP125YHA21 PUHZ-RP125YHA2#2 PUHZ-RP140YHA2 PUHZ-RP140YHA21 PUHZ-RP140YHA2#2 PUHZ-RP100YHA3 PUHZ-RP100YHA3#1

Illustrates the outdoor power circuit board layout and test points for various models.

Outdoor converter circuit board PUHZ-RP100YHA2 PUHZ-RP100YHA21 PUHZ-RP125YHA2 PUHZ-RP125YHA21 PUHZ-RP125YHA2#2 PUHZ-RP140YHA2 PUHZ-RP140YHA21 PUHZ-RP140YHA2#2 PUHZ-RP100YHA3 PUHZ-RP100YHA3#1

Shows the layout and connections of the outdoor converter circuit board for various models.

Active filter module PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2

Details the active filter module's connections, internal circuit, and tester check points.

Active filter module PUHZ-RP100VHA21 PUHZ-RP125VHA21 PUHZ-RP125VHA2#2 PUHZ-RP140VHA21 PUHZ-RP140VHA2#2 PUHZ-RP100VHA3 PUHZ-RP100VHA3#1

Illustrates the active filter module's connections, internal circuit, and tester check points.

Related product manuals

Mr.Slim PUHZ-RP35VHA3

178 pages

Mr.Slim PUHZ-RP200YHA

108 pages

Mr.SLIM PUHZ-RP1.6VHA

122 pages

Mr Slim PUHZ-RP50VHA4

157 pages

Mr.SLIM PUHZ-RP140YHA

186 pages

Mr. Slim PUHZ-RP71VHA4

144 pages

Mr.Slim PUHZ-P100VHA5

64 pages

Mr.Slim PUHZ-P100VHA2

102 pages

mr.SLIM PUHZ-P100VKA.TH

48 pages

Mr. Slim PUHZ-SHW230YKA

52 pages

Mr.Slim PUHZ-SHW230YKA2

45 pages

Mr.SERVICE PUHZ-HRP100YHA2

118 pages

Mitsubishi Electric Mr.Slim PUHZ-RP35VHA2 User Manual

Table of Contents

Questions and Answers:

Mitsubishi Electric Mr.Slim PUHZ-RP35VHA2 Specifications

Summary

TECHNICAL CHANGES

REFERENCE MANUAL

2-1. INDOOR UNIT SERVICE MANUAL

2-2. TECHNICAL DATA BOOK

SAFETY PRECAUTION

3-1. ALWAYS OBSERVE FOR SAFETY

3-2. CAUTIONS RELATED TO NEW REFRIGERANT

3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES

(2) Cautions for refrigerant piping work

FEATURES

CHARGELESS SYSTEM

REFRIGERANT LEAKAGE DETECTION FUNCTION

SPECIFICATIONS

5. SPECIFICATIONS

DATA

6-1. REFILLING REFRIGERANT CHARGE (R410A : kg)

6-2. COMPRESSOR TECHNICAL DATA

6-3. NOISE CRITERION CURVES

6-4. STANDARD OPERATION DATA

OUTLINES AND DIMENSIONS

Minimum installation space for outdoor unit

Free space around the outdoor unit (basic example)

1. FOUNDATION BOLTS

2. PIPING-WIRING DIRECTION

3. ATTACHING THE CONDUIT

WIRING DIAGRAM

M-NET ADAPTER

M-NET ADAPTER (OPTION)

WIRING SPECIFICATIONS

9-1. FIELD ELECTRICAL WIRING (power wiring specifications)

9-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES

9-3. INDOOR – OUTDOOR CONNECTING CABLE

9-4. M-NET WIRING METHOD

9-4-1. M-NET address setting

9-4-2. Refrigerant address setting

9-4-3. Regulations in address settings

REFRIGERANT SYSTEM DIAGRAM

10-1. Refrigerant recovering (pump down)

10-2. Unit replacement operation

10-3. Start and finish of test run

TROUBLESHOOTING

11-1. TROUBLESHOOTING

11-2. CHECK POINT UNDER TEST RUN

11-3. HOW TO PROCEED "SELF-DIAGNOSIS"

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

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

Test run [for wireless remote controller]

11-3-3. Remote Controller Diagnosis

11-3-4. Malfunction-diagnosis method by wireless remote controller

[Output pattern A] Errors detected by indoor unit

[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)

11-4. SELF-DIAGNOSIS ACTION TABLE

<Abnormalities detected when the power is put on>

<Abnormalities detected while unit is operating>

11-5. TROUBLESHOOTING BY INFERIOR PHENOMENA

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

Symptoms: Nothing is displayed on the remote controller

Unit does not operate at all.

The room cannot be cooled or heated sufficiently.

Sound comes out from the air conditioner.

Something is wrong with the blower…..

Something is wrong with the airflow direction….

A white mist is expelled from the indoor unit.

The display of wireless remote controller gets dim or doesn’t come on.

HOW TO CHECK THE PARTS

11-6. HOW TO CHECK THE PARTS

<Thermistor feature chart>

HOW TO CHECK THE COMPONENTS

11-7. HOW TO CHECK THE COMPONENTS

<Thermistor feature chart>

Linear expansion valve (RP35-RP71)

(1) Operation summary of the linear expansion valve

<Output pulse signal and the valve operation>

(2) Linear expansion valve operation

<Connection between the outdoor controller board and the linear expansion valve>