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Mitsubishi Electric EHSD-YM9C User Manual

Mitsubishi Electric EHSD-YM9C
98 pages
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SERVICE MANUAL
CONTENTS
1. REFERENCE MANUAL
...................................
3
2. SAFETY PRECAUTION
...................................
4
3. SPECIFICATIONS
............................................
7
4. PART NAMES AND FUNCTIONS
................
10
5. OUTLINES AND DIMENSIONS
.....................
12
6. WIRING DIAGRAM
........................................
14
7. FIELD WIRING
...............................................
30
8. WATER SYSTEM DIAGRAM
.........................
32
9. CONTROLS
...................................................
35
10. TROUBLESHOOTING
...................................
55
11. DISASSEMBLY PROCEDURE
......................
72
12. SUPPLEMENTARY INFORMATION
.............
93
13. SERVICE AND MAINTENANCE
...................
94
Notes:
This manual describes ser-
vice data of Hydrobox only.
R410A
MAIN REMOTE
CONTROLLER
PARTS CATALOG (OCB571)
HYDROBOX
December 2018
HYDROBOX
No. OCH571
REVISED EDITION-D
OCH571 REVISED EDITION-C
is void.
Revision:
• Added
EHSC-MECR3.UK
,
EHSC-VM2CR3.UK,
EHSC-VM2ECR3.UK,
EHSC-VM6CR3.UK,
EHSC-VM6ECR3.UK,
EHSC-YM9CR3.UK,
EHSC-YM9ECR3.UK,
EHSC-TM9CR3.UK,
EHSD-MCR3.UK,
EHSD-MECR3.UK,
EHSD-VM2CR3.UK,
EHSD-YM9CR3.UK,
ERSC-MECR3.UK,
ERSC-VM2CR3.UK,
ERSD-VM2CR3.UK,
EHPX-VM2CR3.UK,
EHPX-VM6CR3.UK and
EHPX-YM9CR3.UK in
REVISED EDITION-D.
• Some descriptions have
been modified.
[Model Name]
EHSC-MEC
EHSC-VM2C
EHSC-VM2EC
EHSC-VM6C
EHSC-VM6EC
EHSC-YM9C
EHSC-YM9EC
EHSC-TM9C
EHSD-MC
EHSD-MEC
EHSD-VM2C
EHSD-YM9C
[Service Ref.]
Refer to page 2.
ERSC-MEC
ERSC-VM2C
ERSD-VM2C
EHPX-VM2C
EHPX-VM6C
EHPX-YM9C

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Mitsubishi Electric EHSD-YM9C Specifications

General IconGeneral
BrandMitsubishi Electric
ModelEHSD-YM9C
CategoryHeat Pump
LanguageEnglish

Summary

2 Safety Precautions

General Safety Warnings and Cautions

Essential safety guidelines and precautions to prevent injuries, death, or damage to the unit during operation and maintenance.

3 Specifications Overview

Technical Specifications

Detailed technical specifications for various Hydrobox models, covering performance, dimensions, and electrical data.

4 Part Names and Functions

Component Identification and Functions

Identifies and describes the function of key parts within the Hydrobox for both split and packaged systems.

6 Wiring Diagrams

Wiring Diagrams for Various Hydrobox Models

Detailed wiring diagrams for different Hydrobox series and revisions, essential for installation and troubleshooting.

DIP Switch Functions

Explains the function of each DIP switch setting for configuring Hydrobox operation modes and features.

7 Field Wiring

Hydrobox Power Supply Wiring

Details wiring requirements for Hydrobox power supply from outdoor units or independent sources.

9 Controls

Service Menu Functions

Details the service menu functions, including manual operation, function settings, and system adjustments.

10 Troubleshooting

Troubleshooting Overview and Test Run

Provides an overview of troubleshooting based on error codes, service procedures, and steps for conducting a test run.

Malfunction Diagnosis via Remote Controller

Explains how to diagnose malfunctions using error codes displayed on the main remote controller.

Self Diagnosis and Action (Error Codes)

Details specific error codes, their causes, and recommended actions for self-diagnosis and repair.

Troubleshooting by Inferior Phenomena

Addresses common fault symptoms not directly tied to error codes, providing explanations and solutions.

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