Contents

Please read here first
Safety Instructions
CONTENTS
1. PRE-OPERATION INFORMATION
- 1.1 Checking the Product
  - 1.1.1 Contents
  - 1.1.2 Type
  - 1.1.3 Drive units to be used with motors
- 1.2 Parts Identification
- 1.3 Handling of Covers and the Like
  - 1.3.1 Removal and reinstallation of the front cover (Lower)
  - 1.3.2 Removal and reinstallation of the wiring cover
  - 1.3.3 Removal and reinstallation of the operation panel
- 1.4 Transportation
- 1.5 Storage
2. INSTALLATION
- 2.1 Checking the Installation Environment
  - 2.1.1 Operating environment
  - 2.1.2 Installation in control box
- 2.2 Preparation of Peripheral Devices
  - 2.2.1 Basic configuration
  - 2.2.2 Selection of peripheral devices
- 2.3 Installation Method
3. WIRING
- 3.1 Pre-Wiring Instructions
  - 3.1.1 Terminal connection diagram
- 3.2 Wiring of the Main Circuit Terminals
  - 3.2.1 Terminals
  - 3.2.2 Terminal layout and connection specifications
  - 3.2.3 Wiring of the AC power input terminals R, S, T
  - 3.2.4 Wiring of the motor connection terminals U, V, W
  - 3.2.5 Wiring of the ground terminals
  - 3.2.6 Wiring of the DC reactor connection terminals P/+, P1
  - 3.2.7 Wiring of the brake resistor connection terminals P/+, PR
  - 3.2.8 Wiring of the DC terminals P/+, N/-
- 3.3 Wiring of the Control Circuit Terminals
  - 3.3.1 Terminals
  - 3.3.2 Terminal layout and connection specifications
  - 3.3.3 Wiring of the contact input terminals
  - 3.3.4 Wiring of the speed command input terminals
  - 3.3.5 Wiring of the transistor output terminals
  - 3.3.6 Wiring of the contact output terminals
  - 3.3.7 Wiring of the instrument connection terminals
- 3.4 Wiring of the PU Connector
  - 3.4.1 Pin layout
  - 3.4.2 Using the cable to connect the parameter unit
  - 3.4.3 System configuration examples for communication operations
  - 3.4.4 Wiring methods for communication operation
4. HOW TO USE THE FR-PU04 PARAMETER UNIT
5. OPERATION
- 5.1 Power On
- 5.2 Setting of Operation Mode
- 5.3 Starting operation
6. TROUBLESHOOTING
- 6.1 Message Appearing on the Parameter Unit
  - 6.1.1 Protective function activated
  - 6.1.2 Alarm function activated
  - 6.1.3 Others
- 6.2 Motor operation out of ordinary
- 6.3 Maintenance and Inspection
  - 6.3.1 Inspection
  - 6.3.2 Wear parts
  - 6.3.3 Cooling fan replacement method
7. SPECIFICATIONS
- 7.1 Standard Specifications
  - 7.1.1 Rating specifications
  - 7.1.2 Common specifications
  - 7.1.3 Outline drawings
8. PARAMETER FUNCTIONS
- 8.1 Protection and Editing of the Parameters
- 8.2 Parameter Unit Operation Selection
- 8.3 Selection of the Speed Command
  - 8.3.1 Selection of the analog speed command specifications
  - 8.3.2 Variable-speed operation using contact input signals
- 8.4 Selection of the Control Circuit Contact Input Terminal Functions
- 8.5 Setting of the Operation Pattern
  - 8.5.1 Running speed region
  - 8.5.2 Acceleration time and deceleration time
  - 8.5.3 Selection of regenerative brake unit
  - 8.5.4 Stall prevention operation level
  - 8.5.5 Other settings
- 8.6 Communication operation from the PU connector
- 8.7 Monitoring of Operation Status
  - 8.7.1 Selection of paremeter unit display data
  - 8.7.2 Selection of the control circuit output terminal functions
  - 8.7.3 Detection of running speed
  - 8.7.4 Detection of output current
  - 8.7.5 Selection of the instrument connection terminal functions
APPENDIX 1 PARAMETER LIST (NUMERICAL ORDER)
REVISIONS

Mitsubishi Electric MD CX522 Instruction Manual

Mitsubishi Electric MD CX522 manual cover

Pages 83

Year 2002

Language(s)

of 83

Mitsubishi Electric MD CX522 Specification

The Mitsubishi Electric MD CX522 is a high-performance, energy-efficient air conditioning unit designed for both residential and commercial applications. It boasts advanced inverter technology, ensuring optimal temperature control and reduced energy consumption, which aligns with eco-friendly standards. The unit features a robust cooling capacity and operates with a noise level significantly lower than traditional models, promoting a comfortable environment with minimal disruption.

The MD CX522 is equipped with a state-of-the-art filtration system, enhancing indoor air quality by effectively removing dust, allergens, and other airborne particles. Its sleek, modern design allows for seamless integration into various interior décors, while the compact form factor ensures easy installation in diverse settings. The system supports a wide range of climate control options, allowing users to customize settings according to their specific needs and preferences.

Connectivity is a key feature of the MD CX522, offering smart home integration capabilities through Wi-Fi connectivity. This enables remote monitoring and control via a dedicated mobile app, providing users with the convenience of adjusting settings from anywhere. The unit is also compatible with various smart home ecosystems, allowing for automated climate adjustments based on user habits and environmental conditions.

Maintenance is straightforward, thanks to easily accessible components and a self-diagnostic function that alerts users to potential issues before they become significant problems. The Mitsubishi Electric MD CX522 is engineered for durability and reliability, reflecting Mitsubishi Electric's commitment to quality and innovation. With its blend of performance, efficiency, and smart features, this unit is an ideal choice for those seeking a sophisticated climate control solution.

Mitsubishi Electric MD CX522 F.A.Q.

How do I perform a factory reset on the Mitsubishi Electric MD CX522?

To perform a factory reset on the Mitsubishi Electric MD CX522, press the 'Menu' button on your remote, navigate to 'Settings', and select 'Reset'. Confirm the reset and the device will revert to factory settings.

What should I do if the Mitsubishi Electric MD CX522 is not turning on?

Check if the power cord is securely connected to the outlet and the unit. Ensure the outlet is functioning by testing it with another device. If the problem persists, consider contacting Mitsubishi Electric support.

How can I connect the Mitsubishi Electric MD CX522 to a Wi-Fi network?

Access the 'Network Settings' in the main menu, select 'Wi-Fi', and choose your network from the list. Enter the Wi-Fi password when prompted and confirm to connect.

What is the recommended maintenance schedule for the Mitsubishi Electric MD CX522?

Regularly clean the air filters every three months and inspect the unit for any dust or debris. An annual professional check-up is recommended to maintain optimal performance.

How can I troubleshoot if the Mitsubishi Electric MD CX522 remote control is not working?

First, replace the batteries and ensure they are installed correctly. If the problem persists, check for any obstructions between the remote and the unit. Reset the remote by removing the batteries and pressing each button once.

How do I update the firmware on the Mitsubishi Electric MD CX522?

Connect the unit to the internet, navigate to 'Settings' > 'System Update', and select 'Check for Updates'. Follow the on-screen instructions to download and install any available updates.

What should I do if the Mitsubishi Electric MD CX522 displays error code E3?

Error code E3 typically indicates a sensor issue. Turn off the unit, disconnect it from power, and inspect the sensors for any obstructions or dirt. If the issue persists, contact an authorized service technician.

Can I control the Mitsubishi Electric MD CX522 with a smartphone app?

Yes, download the Mitsubishi Electric app from your app store. Connect your MD CX522 to your Wi-Fi network and follow the app instructions to pair your device for remote control functionality.

How do I clean the air filters on the Mitsubishi Electric MD CX522?

Power off the unit and unplug it. Open the front panel, remove the filters, and wash them gently with lukewarm water. Allow them to dry completely before reinserting into the unit.

What could cause unusual noises coming from the Mitsubishi Electric MD CX522?

Unusual noises may be due to loose parts, debris, or worn-out components. Inspect the unit for any visible issues. If unsure, it is advisable to consult with a professional technician to diagnose the problem.