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Panasonic WH-MDC05J3E5 Service Manual

Panasonic WH-MDC05J3E5
246 pages
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© Panasonic Corporation 2020.
Order No: PAPAMY2003034CE
Mono Bloc Unit
WH-MDC05J3E5
WH-MDC07J3E5
WH-MDC09J3E5
Destination
Europe
Turkey
CAUTION
R32 REFRIGERANT
– This Air Conditioner contains and operates with refrigerant R32.
THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL.
Refer to National, State, Territory and local legislation, regulations, codes, installation & operation manuals, before the installation,
maintenance and/or service of this product.
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the products dealt with in this service information by anyone else could result in serious injury or death.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
PRECAUTION OF LOW TEMPERATURE

Table of Contents

Other manuals for Panasonic WH-MDC05J3E5

Questions and Answers:

Panasonic WH-MDC05J3E5 Specifications

General IconGeneral
Heating Capacity5.00 kW
COP4.74
RefrigerantR32
Weight (Indoor Unit)10 kg
TypeAir-to-Water Heat Pump
Cooling Capacity5.0 kW
Power Supply230 V

Summary

Safety Precautions and Handling R32 Refrigerant

1. Safety Precautions

Essential safety warnings and precautions for installation and operation of the Mono Bloc unit.

2. Precaution for Using R32 Refrigerant

Specific safety measures and precautions for working with R32 refrigerant.

7. Refrigeration and Water Cycle Diagram

9. Wiring Connection Diagram

10. Electronic Circuit Diagram

12. Installation Instruction

12.1 Mono Bloc Unit Installation

Comprehensive guide for installing the Mono Bloc unit, including location, piping, and electrical connections.

12.4 System Installation

Details on remote controller setup, installer configurations, and various operational modes.

13. Installation and Servicing Air Conditioner using R32

13.1 About R32 Refrigerant

Information regarding R32 refrigerant and its environmental impact and safety standards.

13.2 Characteristics of R32 Refrigerant

Overview of the chemical and physical properties of R32 refrigerant.

13.3 Refrigerant piping installation • Tools used in services

List of essential tools required for refrigerant piping installation and service.

13.4 New installation, Relocation, Repairing of Refrigerant Cycle System The Procedures

Step-by-step procedures for new installation, relocation, and repair of the refrigerant cycle.

13.5 Piping installation of R32

Specifications for copper pipe materials and flaring procedures for R32 refrigerant.

13.6 Installation, Relocation, and Service

Procedures for installing, relocating, and servicing the unit.

13.6.6 Re-insertion of refrigerant in service

Procedure for correctly inserting new refrigerant into the system.

13.7 Repairing of refrigerant cycle / Brazing point

Techniques and safety precautions for brazing refrigerant cycles.

14. Operation and Control

14.1 Basic Function

Overview of inverter control and automatic adjustment for comfort and efficiency.

14.1.4 Target Water Temperature Setting

Methods for setting target water temperatures using compensation or direct settings.

14.3 Indoor Unit Safety

Safety controls for indoor unit operation, including flow switch and water inlet temperature checks.

15. Protection Control (WH-MDC05J3E5)

15.1 Protection Control for All Operations

Safety controls for all operations, including current, overheating, and high pressure.

15.2 Protection Control for Heating Operation

Protection controls specific to heating operation, including deice and defrost functions.

15.3 Protection Control for Cooling Operation

Protection controls specific to cooling operation, including freeze prevention.

16. Protection Control (WH-MDC07J3E5 WH-MDC09J3E5)

16.1 Protection Control for All Operations

Safety controls for all operations, including current, overheating, and high pressure.

16.2 Protection Control for Heating Operation

Protection controls specific to heating operation, including deice and defrost functions.

16.3 Protection Control for Cooling Operation

Protection controls specific to cooling operation, including freeze prevention.

17. Servicing Mode

17.3 Pump Down Procedures

Refer to below steps for proper pump down procedure.

17.4 How To Adjust Pump Speed

Instructions on how to adjust the pump speed settings via the remote control.

18. Maintenance Guide

19. Troubleshooting Guide

19.1 Refrigeration Cycle System

Diagnosing malfunctions in the refrigeration cycle, excluding electrical issues.

19.3 Breakdown Self Diagnosis Function

How the system displays error codes and stores them in memory for diagnosis.

19.4 Error Codes Table

Table listing diagnosis codes, abnormalities, judgments, and primary verification locations.

19.5 Self-diagnosis Method

Methods for diagnosing specific malfunctions using error codes and troubleshooting flowcharts.

20. Disassembly and Assembly Instructions

22. Exploded View and Replacement Parts List