Table of Contents
Troubleshooting
Related Manuals for Mitsubishi Heavy Industries FDC224KXZPE1
Summarization of Contents
Outline of Operation Control by Microcomputer
Remote Control Operation
Details operation control functions using wired remote controls like RC-EX1A and RC-E5.
Wired Remote Control Operation
Explains operation control functions via wired remote controls, including CPU reset and power failure compensation.
Indoor Control Operation
Describes operation control functions managed by the indoor unit, covering various modes and timers.
Outdoor Control Operation
Outlines outdoor unit operation control functions under different modes, detailing component operations.
System Troubleshooting Procedure
Troubleshooting Basics
Provides basic procedures for troubleshooting, including error data analysis and site preparation.
Troubleshooting Explanation
Details specific troubleshooting steps, such as checking 15V on the control PCB and inspecting power transistor modules.
Troubleshooting Contents
Lists inspection displays and classifications for various indoor and outdoor unit errors, linking them to specific pages.
Application Data
Installation of Outdoor Unit
Covers safety precautions and installation space requirements for outdoor units.
Method for Connecting the Accessory Pipe
Details methods for connecting accessory pipes, including proper torque and material selection.
Instructions for Installing the Branch Pipe Set
Provides instructions for installing branch pipe sets and header sets, including part lists and selection guides.
Electric Wiring Details
Wiring System Drawing
Illustrates the wiring system for outdoor and indoor units, including power and signal connections.
Power Source Connection
Details how to connect power sources for outdoor and indoor units, including safety precautions.
How to Connect Signal Cables
Explains how to connect signal cables for communication between indoor and outdoor units, covering different protocols.
Control Settings
Unit Address Setting
Describes methods for setting unit addresses, including automatic and manual settings for Superlink systems.
Selection Switching
Explains how to select communication protocols and functions using PCB switches and 7-segment display.
Silent Mode Setting
Details how to set the silent mode for reducing outdoor unit operating sound, with capacity and sound priority options.
Demand Control Setting
Explains how to set demand control to reduce power consumption by suppressing outdoor unit capacity.
Test Operation and Transfer
Before Starting Operation
Outlines pre-operation checks, including power source, crankcase heater, and valve operation.
Test Run
Explains how to perform a test run for cooling and heating operations using switches and remote control.
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