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Mitsubishi Electric Mr.Slim PUHZ-RP35VHA3 User Manual

Mitsubishi Electric Mr.Slim PUHZ-RP35VHA3
178 pages
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SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
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 ··························32
10.
REFRIGERANT SYSTEM DIAGRAM
··············37
11. TROUBLESHOOTING···································40
12. FUNCTION SETTING··································107
13.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
······114
14. EASY MAINTENANCE FUNCTION············124
15. DISASSEMBLY PROCEDURE ···················129
16. PARTS LIST ················································151
17. RoHS PARTS LIST ·····································162
No.OC374
REVISED EDITION-C
R410A
February 2008
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
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:
• PUHZ-RP35/50/60/71/100VHA3
and PUHZ-RP100YHA3 are
added in REVISED EDITION-
C.
• Some descriptions have been
modified.
• Please void OC374 REVISED
EDITION-B.
OC374C--1.qxp 08.2.22 8:18 AM Page 1

Table of Contents

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Mitsubishi Electric Mr.Slim PUHZ-RP35VHA3 Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMr.Slim PUHZ-RP35VHA3
CategoryAir Conditioner
LanguageEnglish

Summary

1. TECHNICAL CHANGES

2. REFERENCE MANUAL

2-1. INDOOR UNIT SERVICE MANUAL

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

2-2. TECHNICAL DATA BOOK

Refers to a technical data book with manual number OCS05.

3. SAFETY PRECAUTION

3-1. ALWAYS OBSERVE FOR SAFETY

General safety reminder to disconnect all supply circuits before accessing terminals.

3-2. CAUTIONS RELATED TO NEW REFRIGERANT

Critical cautions for using refrigerant R410A, covering pipe prep, tools, and handling.

Service Tools for R410A Refrigerant

Lists exclusive service tools required for R410A refrigerant, with specifications.

Refrigerant Leakage Detection Function

Explains unit's ability to detect leakage and initial learning requirements.

3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES

Precautions for reusing R22 pipes with new units, including flowchart.

Cautions for Refrigerant Piping Work

Details R410A piping work cautions, pipe thickness, flare dimensions, and tool usage.

4. FEATURES

CHARGELESS SYSTEM

Pre-charged refrigerant system for simplified installation and improved reliability.

REFRIGERANT LEAKAGE DETECTION FUNCTION

Describes unit's capability to detect refrigerant leakage over time.

5. SPECIFICATIONS

6. DATA

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

Table showing refrigerant charge amounts (kg) based on piping length for various models.

6-2. COMPRESSOR TECHNICAL DATA

Provides technical data for compressors, including model names and winding resistance.

6-3. NOISE CRITERION CURVES

Noise curves showing sound pressure levels across frequencies for various unit models.

6-4. STANDARD OPERATION DATA

Tables detailing standard operation data for indoor/outdoor units, including capacity, pressures, and temperatures.

7. OUTLINES AND DIMENSIONS

Foundation Bolts

Instructions for securing the unit firmly with foundation bolts (M10).

Piping and Wiring Directions

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

Attaching the Conduit

Guidance on attaching the conduit by fixing a metal plate to the back panel.

Minimum Installation Space for Outdoor Unit

Diagrams and specifications for required minimum installation space around the outdoor unit.

8. WIRING DIAGRAM

M-NET ADAPTER

Lists symbols and names related to the M-NET adapter, including terminal blocks, connectors, and switches.

9. WIRING SPECIFICATIONS

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

Details power wiring specs, including voltage, capacity, wire size, and rating for various models.

1:1 System Electrical Wiring

Illustrates wiring for a 1:1 system, showing connections between indoor, outdoor units, and remote controller.

Synchronized Twin and Triple System Electrical Wiring

Illustrates wiring for synchronized twin/triple systems, detailing connections.

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

Explains connection patterns for separate power supplies, including diagrams and DIP switch settings.

9-3. INDOOR – OUTDOOR CONNECTING CABLE

Specifies requirements for indoor-outdoor cables, including wire size, length, and connection methods.

9-4. M-NET WIRING METHOD

Details M-NET wiring, including precautions for noise and grounding.

10. REFRIGERANT SYSTEM DIAGRAM

11. TROUBLESHOOTING

11-1. TROUBLESHOOTING

Summary of unit conditions, error codes, and service actions for recurring/non-recurring issues.

11-2. CHECK POINT UNDER TEST RUN

Points to check before test run, including installation, wiring, and safety.

How to Proceed "SELF-DIAGNOSIS"

Steps to interpret and clear error codes displayed on the remote controller during operation.

Self-Diagnosis During Maintenance or Service

Steps to recall and check error code history for each unit using the remote controller.

Remote Controller Diagnosis

Procedure to diagnose the remote controller if the air conditioner cannot be operated from it.

Malfunction-diagnosis Method by Wireless Remote Controller

Method for diagnosing malfunctions using the wireless remote controller, including procedures and error indicators.

Errors Detected by Indoor Unit

Lists errors detected by the indoor unit, their check codes, symptoms, and remarks.

Errors Detected by Unit Other Than Indoor Unit

Lists errors detected by outdoor units or other components, including check codes, symptoms, and remarks.

11-4. SELF-DIAGNOSIS ACTION TABLE

Table detailing abnormalities detected at power-on, their causes, and service actions.

Abnormalities Detected While Unit is Operating

Lists various error codes and the conditions under which they occur during unit operation.

11-5. TROUBLESHOOTING BY INFERIOR PHENOMENA

Lists common phenomena, factors, and countermeasures for troubleshooting.

12. FUNCTION SETTING

12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

How to set unit functions using the remote controller, referencing tables for available functions.

Meaning of "Function setting"

Provides meanings for different indoor temperature detection settings (ta=A, B, C).

Selecting Functions Using the Wired Remote Controller

Flowchart and instructions for selecting functions using the wired remote controller, including setting language and mode.

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

Instructions for selecting functions using the wireless remote controller, detailing steps for setting unit number, mode, and setting number.

12-2. FUNCTION SELECTION OF REMOTE CONTROLLER

Details remote controller function settings like language, limit, mode, and display.

13. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER

13-1. HOW TO "MONITOR THE OPERATION DATA"

Step-by-step guide to access and view operation data using the remote controller's maintenance monitor.

13-2. REQUEST CODE LIST

Comprehensive list of request codes for monitoring operation data, including units and remarks.

14. EASY MAINTENANCE FUNCTION

14-1. MAINTENANCE MODE OPERATION METHOD

Instructions on how to enter and operate maintenance mode using the remote controller.

Switching to Maintenance Mode

Details how to activate maintenance mode, whether the unit is operated or stopped.

Fixed Hz Operation

Explains how to fix operating frequency for inverter models to stabilize operation.

Data Measurement

Steps for measuring and displaying operation data (e.g., refrigerant address, temperature) during stabilized operation.

Refrigerant Address

Explains how refrigerant addresses are set for single and multi-refrigerant systems.

14-2. GUIDE FOR OPERATION CONDITION

Guide to check operation conditions by comparing temperature differences against graphs.

14-3. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION

Steps to select leakage detection mode and start initial learning for accurate detection.

How to start "Judgment of refrigerant leakage " mode.

Steps to start leakage judgment mode and interpret results, including cautions.

15. DISASSEMBLY PROCEDURE

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

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

2. Removing the fan motor

Instructions with photos for removing the fan motor, propeller, connector, and screws.

3. Removing the electrical parts box

Detailed steps with photos for removing the electrical parts box and its connectors.

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

Instructions with photos for removing outdoor thermistors TH6, TH3, and TH33.

5. Removing the thermistor <Outdoor> (TH7)

Instructions with photos for removing the outdoor thermistor TH7, noting it's combined with TH6.

6. Removing the thermistor <Outdoor pipe> (TH3) (TH33) and thermistor <Discharge> (TH4)

Instructions with photos for removing thermistors TH3, TH33, and TH4.

7. Removing the 4-way valve coil (21S4), and LEV coil (LEV(A), LEV(B))

Steps with photos for removing the 4-way valve coil, LEV coils, and bypass valve coil.

8. Removing the 4-way valve

Instructions with photos for removing the 4-way valve, including valve bed and refrigerant recovery.

9. Removing LEV

Instructions with photos for removing the LEV, including refrigerant recovery and welded parts.

10. Removing the bypass valve coil (SV) and bypass valve

Steps with photos for removing the bypass valve coil and bypass valve, including refrigerant recovery.

11. Removing the high pressure switch (63H)

Instructions with photos for removing the high pressure switch, including refrigerant recovery.

12. Removing the reactor (DCL) and capacitor (CE)

Steps with photos for removing the reactor (DCL) and capacitor (CE).

13. Removing the compressor (MC)

Detailed steps with photos for removing the compressor, including separator, fixing nuts, and welded pipes.

14. Removing the power receiver

Instructions with photos for removing the power receiver, including welded pipes and receiver legs.

4. Disassembling the electrical parts box

Steps with photos for disassembling the electrical parts box, including disconnecting connectors and removing plates.

13. Removing the reactors (ACL1, ACL2, ACL3)

Instructions with photos for removing the reactors (ACL1, ACL2, ACL3) and their boxes.

16 PARTS LIST (non-RoHS compliant)

STRUCTURAL PARTS PUHZ-RP35VHA2 PUHZ-RP50VHA2

Lists structural parts for PUHZ-RP35/50VHA2 models, including part numbers, names, specifications, and quantities.

STRUCTURAL PARTS PUHZ-RP60VHA2 PUHZ-RP71VHA2

Lists structural parts for PUHZ-RP60/71VHA2 models, including part numbers, names, specifications, and quantities.

STRUCTURAL PARTS PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2 PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2

Lists structural parts for PUHZ-RP100/125/140VHA2 and YHA2 models, including part numbers and quantities.

FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP35VHA2 PUHZ-RP50VHA2

Illustrated list of functional and electrical parts for PUHZ-RP35/50VHA2 models, with numbered components.

FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP60VHA2 PUHZ-RP71VHA2

Illustrated list of functional and electrical parts for PUHZ-RP60/71VHA2 models, with numbered components.

FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2

Illustrated list of functional and electrical parts for PUHZ-RP100/125/140VHA2 models, with numbered components.

FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100YHA2 PUHZ-RP100YHA3 PUHZ-RP100YHA21 PUHZ-RP125YHA2 PUHZ-RP125YHA21 PUHZ-RP140YHA2 PUHZ-RP140YHA21

Illustrated list of functional and electrical parts for PUHZ-RP100/125/140YHA2 and YHA3 models, with numbered components.

17 RoHS PARTS LIST

FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP35VHA2 PUHZ-RP35VHA21 PUHZ-RP35VHA3 PUHZ-RP50VHA2 PUHZ-RP50VHA21 PUHZ-RP50VHA3

Illustrated list of functional and electrical parts for PUHZ-RP35/50VHA2/VHA21/VHA3 models, with numbered components.

FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP60VHA2 PUHZ-RP60VHA21 PUHZ-RP60VHA3 PUHZ-RP71VHA2 PUHZ-RP71VHA21 PUHZ-RP71VHA3

Illustrated list of functional and electrical parts for PUHZ-RP60/71VHA2/VHA21/VHA3 models, with numbered components.

FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100VHA21 PUHZ-RP100YHA3 PUHZ-RP100YHA21 PUHZ-RP125YHA2 PUHZ-RP125YHA21 PUHZ-RP140YHA2 PUHZ-RP140YHA21

Illustrated list of functional and electrical parts for PUHZ-RP100/125/140YHA2 and YHA3 models, with numbered components.

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