Panasonic WH-MXC09J3E5 User Manual

© Panasonic Corporation 2021.
Order No: PAPAMY2101001CE
Mono Bloc Unit
WH-MXC09J3E5
WH-MXC12J6E5
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

Panasonic WH-MXC09J3E5 Specifications

General

Brand	Panasonic
Model	WH-MXC09J3E5
Category	Heat Pump
Language	English

Summary

Safety Precautions

Precaution for Using R32 Refrigerant

Wiring Connection Diagram

Water System Wiring

Refrigerant System Wiring

Installation Instruction

Mono Bloc Unit Installation

Step-by-step guide for installing the Mono Bloc unit, covering handling and diagrams.

Select the Best Location

Criteria for selecting the optimal installation location for the Mono Bloc unit.

Piping Installation

Guidelines for water circuit piping installation, including material and connection requirements.

Connect the Cable to Mono Bloc Unit

Instructions for connecting power supply cables to the Mono Bloc unit.

Connecting External Devices (Optional)

How to Fix External Device

Connecting Cables Length

System Installation

Remote Controller Outline

Installer Setup

System Setup Configuration

Configuration of system settings, including optional PCB connectivity.

Zone and Sensor Setup

Setting up zone configurations and selecting temperature sensors.

Heater Capacity Configuration

Anti-Freeze Configuration

Configuration of the anti-freezing function.

Tank Connection Setup

Bivalent Connection Setup

Solar Connection Configuration

Heat-Cool Switch Configuration

Operation Setup

Heating Operation Setup

Configuration of temperatures and settings for heating operation.

Cooling Operation Setup

Configuration of temperatures and settings for cooling operation.

Service Setup

Pump Maximum Speed Setting

Pump Down Procedure

Operation and Control

Basic Function Overview

Overview of inverter control and automatic operation adjustments for user comfort.

Target Water Temperature Setting

Control methods for target water temperature in standard systems.

Auto Mode Operation

Explains automatic switching between heat and cool modes based on ambient and panel settings.

Tank Mode Operation

Water Pump

Water Pump Control Logic

Explains the control sequence for the water pump, including error detection.

Zone Water Pump Control

Indoor Unit Safety

Indoor Unit Safety Control Logic

Details safety logic for the indoor unit related to water pump and inlet temperature.

Indoor Back-Up Heater Control

Indoor Electric Heater Control Logic

Explains conditions for turning the indoor electric heater ON and OFF.

Tank Heater Control

Tank Heater Remote Control Settings

Covers tank heater selection (external/internal) and temperature range settings.

Force Heater Mode

Powerful Operation Mode

Anti Freeze Control

Zone Anti-Freeze Control

Solar Operation (Optional)

Solar Operation Control

Boiler Bivalent Control

Three Ways Valve Control

Two Ways Valve Control

External Compressor Switch (Optional PCB)

Heat/Cool Switch (Optional PCB)

SG Ready Control (Optional PCB)

Protection Control

Protection Control for All Operations

Covers safety controls like time delay, forced operation, and current monitoring.

Protection Control for Heating Operation

Explains protection mechanisms specific to heating operations, like deice.

Protection Control for Cooling Operation

Details protection controls relevant to cooling operations, such as freeze prevention.

Servicing Mode

Expansion Vessel Pre Pressure Checking

Pump Down Procedures

Step-by-step guide for performing pump down procedures.

How To Adjust Pump Speed

Maintenance Guide

Test Run Procedure

Steps for conducting a test run, including pre-checks and operation notes.

Troubleshooting Guide

Refrigeration Cycle System Diagnosis

Steps for diagnosing refrigeration cycle issues, ensuring no electrical problems first.

Unit Condition vs. Pressure/Current

Breakdown Self Diagnosis Function

How to use the self-diagnosis function to identify and check error codes.

Error Codes Table

A table listing diagnosis display codes, abnormalities, judgments, and primary verification locations.

Self-diagnosis Methods

Method for performing self-diagnosis to identify system abnormalities.

Compressor Tank Temperature Sensor Abnormality (H15)

Water Pump Abnormality (H20)

PCB Communication Error (H74)

Troubleshooting for communication errors between PCBs.

Indoor-Control Panel Communication Abnormality (H76)

Indoor/Outdoor Abnormal Communication (H90)

Outdoor High Pressure Protection (H98 / F95)

Indoor Freeze-up Protection (H99)

Outdoor High Pressure Switch Activate (F12)

Compressor Rotation Failure (F14)

Outdoor Fan Motor Locked (F15)

Compressor Overheating (F20)

Disassembly and Assembly Instructions

Exploded View and Replacement Parts List

Water System Parts

Refrigerant System Parts