EasyManua.ls Logo

Mitsubishi MSH-30RV - User Manual

Mitsubishi MSH-30RV
88 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. SPECIFICATION·················································6
4. NOISE CRITERIA CURVES·······························8
5. OUTLINES AND DIMENSIONS ······················ 10
6. WIRING DIAGRAM ··········································13
7. REFRIGERANT SYSTEM DIAGRAM··············17
8. PERFORMANCE CURVES······························20
9. MICROPROCESSOR CONTROL ····················36
10. SERVICE FUNCTIONS·····································50
11. TROUBLESHOOTING······································52
12. DISASSEMBLY INSTRUCTIONS·····················71
13. PARTS LIST······················································79
14. OPTIONAL PARTS···········································88
Wireless type
Models
MSH-18RV -
(
WH
)
· MUH-18RV -
· MUH-18RV -
MSH-24RV -
(
WH
)
· MUH-24RV -
MSH-30RV -
(
WH
)
· MUH-30RV -
E1E1
E1E1
E2
E1E1
No. OB272
REVISED EDITION-A
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MSH-18RV -
MSH-24RV -
E1
E1
Revision:
MUH-18RV- has been added.
MUH-18RV- MUH-18RV-
•Path of outdoor heat exchanger has changed.
E2E1
E2
•Refer to the Service Manual OB185 REVISED EDITION C when MSH-18RV- is connected
with MXZ-32NV- or MXZ-32NV- as multi system units.
•Refer to the Service Manual OB227 REVISED EDITION-B when MSH-18RV- is connected
with MXZ-32RV- as multi system units.
•Refer to the Service Manual OB254 when MSH-18RV- is connected with MXZ-32SV- as
multi system units.
E1E1
E1
E1
E2E1
E1
OB272-1.qxp 02.1.26 1:22 PM Page 1
Question and Answer IconNeed help?

Do you have a question about the Mitsubishi MSH-30RV and is the answer not in the manual?

Mitsubishi MSH-30RV Specifications

General IconGeneral
Cooling Capacity3.0 kW
RefrigerantR410A
Power Supply220-240V, 50Hz
TypeSplit System
Net Weight (Indoor Unit)9 kg

Summary

Technical Changes

Part Names and Functions

Indoor Unit Components

Details the various parts and their functions within the indoor unit, illustrated with diagrams.

Remote Controller Overview

Explains the operation display, buttons, and functions of the wireless remote controller.

Accessories

Indoor Unit Accessories

Lists the accessories included with the indoor unit, such as plates, screws, and filters.

Outdoor Unit Accessories

Lists the accessories included with the outdoor unit, such as drain sockets and caps.

Specification

Indoor Model Specifications

Details electrical data, fan motor specs, and dimensions for indoor units.

Outdoor Model Specifications

Details electrical data, fan motor specs, dimensions, and refrigerant capacity for outdoor units.

Noise Criteria Curves

Outlines and Dimensions

Indoor Unit Dimensions

Provides detailed dimensions and required installation space for indoor units.

Outdoor Unit Dimensions

Provides detailed dimensions and required installation space for outdoor units.

Wiring Diagram

MSH-18 RV Indoor Unit Wiring

Illustrates the electrical wiring for the MSH-18RV indoor unit.

MUH-18 RV Outdoor Unit Wiring

Illustrates the electrical wiring for the MUH-18RV outdoor unit.

Refrigerant System Diagram

MSH-18 RV Refrigerant Diagram

Shows the refrigerant flow and components for the MSH-18RV indoor/outdoor units.

MSH-24 RV Refrigerant Diagram

Shows the refrigerant flow and components for the MSH-24RV indoor/outdoor units.

Max. Refrigerant Piping Length

Additional Refrigerant Charge

Performance Curves

Cooling Performance Curves

Illustrates cooling capacity, total input, and correction factors based on temperatures.

Heating Performance Curves

Illustrates heating capacity and total input based on temperatures.

Outdoor Low Pressure and Unit Current

Cool Operation Curves

Shows outdoor low pressure and unit current during cool operation.

Heat Operation Curves

Shows outdoor unit current during heat operation.

Performance Data Cool Operation

Performance Data Heat Operation

Microprocessor Control

Wireless Remote Controller

Details the functions and operation of the wireless remote controller.

Indoor Unit Display Section

Explains the operation indicator lamp and its meaning for different states.

Cool Mode Operation

Explains the 'I FEEL CONTROL' mode for cooling, including fan speed and coil protection.

Heat Mode Operation

Explains 'I FEEL CONTROL' mode for heating, covering fan speed and protection controls.

Defrosting

Defrosting Starting Conditions

Details the conditions required for initiating the defrosting operation.

Defrosting Releasing Conditions

Outlines the conditions under which the defrosting operation stops.

R.V. Coil Control

Indoor Fan Motor Control

Rotational Frequency Feedback

Explains the control mechanism for indoor fan motor speed using rotational feedback.

Fan Motor Lock-up Protection

Describes the protection mechanism against fan motor lock-up.

Auto Vane Operation

Horizontal Vane Operation

Details the operation and control of the horizontal vane.

Vertical Vane Operation

Explains the operation and control of the vertical vane for MSH-30RV.

Timer Operation

Setting the Timer

Provides instructions on how to set ON and OFF timers.

Cancelling Timer Settings

Explains how to cancel programmed timer settings.

Emergency-Test Operation

LEV Control

LEV Opening Correction by Discharge Temp.

Details how LEV opening is corrected based on discharge temperature differences.

LEV Time Chart

Illustrates the timing and control of LEV opening during operation.

Service Functions

Compulsory Defrosting Mode

Explains how to activate compulsory defrosting mode for service.

Change in Defrost Setting

Describes how to modify defrost interval and start/finish temperatures.

Auto Restart Function

Details the automatic restart function after power failure.

Troubleshooting

Cautions on Troubleshooting

Provides safety precautions and preliminary checks before troubleshooting.

Troubleshooting Check Table

Lists symptoms, indications, detection methods, and check points for troubleshooting.

Trouble Criterion of Main Parts

Details resistance and voltage criteria for diagnosing main components.

Disassembly Instructions

MSH-18;24 RV Indoor Unit Disassembly

Step-by-step guide to disassembling the indoor unit components.

MSH-30 RV Indoor Unit Disassembly

Step-by-step guide to disassembling the MSH-30RV indoor unit components.

Outdoor Unit Disassembly

Step-by-step guide to disassembling outdoor unit components.

Parts List

Indoor Unit Structural Parts

Lists structural components of the indoor unit with part numbers and quantities.

Indoor Unit Functional Parts

Lists functional and electrical parts of the indoor unit with part numbers.

Outdoor Unit Parts

Lists structural, electrical, and functional parts for the outdoor unit.

Optional Parts

Air Cleaning Filter

Details the air cleaning filter, its function, life, and maintenance.

Deodorizing Filter

Describes the deodorizing filter, its function, and cleaning instructions.

Related product manuals