Contents

Safety Instructions
DISPOSAL OF WASTE
About the manual
Cables used for wiring
CONTENTS
1. FUNCTIONS AND CONFIGURATION
- 1.1 Summary
- 1.2 Outline of safety observation function
- 1.3 Function block diagram
  - 1.3.1 MR-J4-_GF_-RJ
  - 1.3.2 MR-J4-_B_-RJ
  - 1.3.3 MR-J4-_A_-RJ
  - 1.3.4 MR-J4-DU_B_-RJ
  - 1.3.5 MR-J4-DU_A_-RJ
- 1.4 System configuration
  - 1.4.1 MR-J4-_GF_-RJ
  - 1.4.2 MR-J4-_B_-RJ/MR-J4-DU_B-RJ
  - 1.4.3 MR-J4-_A_-RJ/MR-J4-DU_A-RJ
- 1.5 Standard specifications
- 1.6 Function list
- 1.7 Combinations with servo amplifiers and servo motors
- 1.8 Rating plate
- 1.9 Risk assessments
  - 1.9.1 Common residual risks in each function
  - 1.9.2 Residual risks in each function
2. INSTALLATION
- 2.1 Installation direction and clearances
- 2.2 Keep out foreign materials
- 2.3 Inspection items
- 2.4 Parts having service life
- 2.5 Maintenance
- 2.6 Attachment and detachment of MR-D30
3. SIGNALS AND WIRING
- 3.1 Connectors and pin assignment
- 3.2 I/O signal connection example
  - 3.2.1 Input signal
  - 3.2.2 Output signal
- 3.3 Connection of I/O interface
  - 3.3.1 Source output
  - 3.3.2 Sink input
  - 3.3.3 DO1_ to DO3_ source output
  - 3.3.4 DO4NA source output and DO4NB sink output
- 3.4 Wiring for SBC output
- 3.5 Noise reduction techniques
- 3.6 Signal explanations
  - 3.6.1 Input device
  - 3.6.2 Output device
  - 3.6.3 Power supply
- 3.7 Wiring method of CN10A/CN10B connectors
- 3.8 Connection example with other devices
  - 3.8.1 MR-J4-_GF_-RJ
  - 3.8.2 MR-J4-_B_-RJ/MR-J4-DU_B_-RJ
  - 3.8.3 MR-J4-_A_-RJ/MR-J4-DU_A_-RJ
- 3.9 Power-on sequence
4. SAFETY OBSERVATION FUNCTION
- 4.1 Achievable safety level
- 4.2 Safety diagnosis function list
- 4.3 Startup
  - 4.3.1 Switching power on for the first time
  - 4.3.2 Parameter
  - 4.3.3 Mandatory parameter setting
  - 4.3.4 Test operation
  - 4.3.5 Unit replacement
- 4.4 I/O function
  - 4.4.1 Input device
  - 4.4.2 Output device
  - 4.4.3 Safety observation function control by input device
  - 4.4.4 Servo motor with functional safety
  - 4.4.5 Position feedback fixing diagnosis function
- 4.5 Safety observation function
  - 4.5.1 STO function
  - 4.5.2 SS1 function
  - 4.5.3 SS2/SOS function
  - 4.5.4 SLS function
  - 4.5.5 SSM function
  - 4.5.6 SBC function
  - 4.5.7 Status monitor (SM) function
  - 4.5.8 Multiple inputs of safety observation functional operation commands
  - 4.5.9 Simultaneous operation of STO and SS1 functions
  - 4.5.10 At alarm occurrence
5. PARAMETERS
- 5.1 Parameter list
  - 5.1.1 Safety observation function parameters 1 ([Pr. PSA_ _ ])
  - 5.1.2 Network parameters ([Pr. PSC_ _ ])
  - 5.1.3 Safety I/O device parameters ([Pr. PSD_ _ ])
- 5.2 Detailed list of parameters
  - 5.2.1 Safety observation function parameters 1 ([Pr. PSA_ _ ])
  - 5.2.2 Network parameters ([Pr. PSC_ _ ])
  - 5.2.3 Safety I/O device parameters ([Pr. PSD_ _ ])
6. DISPLAY
7. TROUBLESHOOTING
- 7.1 Alarm and warning list
- 7.2 Combinations of the parameters that trigger [AL. 7A.3 Parameter combination error (safety observation function)]
8. DIMENSIONS
- 8.1 MR-D30 functional safety unit
- 8.2 When an MR-D30 is attached to a servo amplifier
APPENDIX
- App. 1 EC declaration of conformity
REVISION
Warranty

Mitsubishi Electric MRD30 Instruction Manual

Pages 156

Year 2018

Language(s)

of 156

Mitsubishi Electric MRD30 Specification

The Mitsubishi Electric MRD30 is a state-of-the-art dehumidifier designed for efficient moisture control in residential and commercial environments. This model features an advanced, energy-efficient compressor technology that ensures optimal performance while keeping energy consumption minimal. The MRD30 is capable of extracting up to 30 liters of moisture per day, making it ideal for medium to large spaces requiring effective humidity management.

The device is equipped with an intuitive digital control panel that allows users to easily set and monitor humidity levels. It also includes a built-in hygrometer for accurate humidity readings, ensuring precise control over the environment. The MRD30 offers a continuous drainage option, which is facilitated by a convenient hose connection, eliminating the need for frequent manual water tank emptying.

Designed with user convenience in mind, this dehumidifier features a sleek and compact design that fits seamlessly into various settings. Its quiet operation ensures minimal disruption, making it suitable for use in bedrooms, living rooms, and offices. The MRD30 is also equipped with an automatic defrost function, which prevents ice build-up on the coils, ensuring consistent performance even in cooler environments.

Safety and maintenance are prioritized with the inclusion of an automatic shut-off feature that activates when the water tank reaches full capacity, preventing overflow. The easy-to-remove and clean air filter helps maintain air quality and extends the life of the device. Overall, the Mitsubishi Electric MRD30 combines efficiency, reliability, and user-friendly features, making it a versatile solution for maintaining optimal humidity levels in various settings.

Mitsubishi Electric MRD30 F.A.Q.

How do I set up the Mitsubishi Electric MRD30 for the first time?

To set up your MRD30, ensure it is placed on a stable surface. Connect the power supply and any peripheral devices. Follow the on-screen instructions for initial configuration. Refer to the user manual for detailed steps.

What should I do if the MRD30 does not turn on?

First, check if the power cord is securely connected to both the MRD30 and the power outlet. Ensure the outlet is working by testing it with another device. If the problem persists, consult the troubleshooting section of the manual or contact customer support.

How can I maintain the MRD30 to ensure optimal performance?

Regularly clean the exterior of the MRD30 with a soft, dry cloth. Avoid using harsh chemicals. Ensure the ventilation openings are free of dust. Refer to the maintenance schedule in the manual for detailed instructions.

What steps should I follow if the MRD30 is overheating?

Ensure the device is placed in a well-ventilated area. Check that all air vents are unobstructed. Turn off the MRD30 and allow it to cool down. Resume operation once it has cooled. Consult the manual if the issue continues.

How do I update the firmware on my MRD30?

Visit the Mitsubishi Electric website to download the latest firmware. Follow the instructions provided in the firmware update section of the manual. Ensure uninterrupted power supply during the update process.

Can I connect the MRD30 to a wireless network?

Yes, the MRD30 can be connected to a wireless network. Access network settings via the main menu, select Wi-Fi, and follow the prompts to connect to your wireless network.

What should I do if the display on the MRD30 is not working properly?

Check the display settings to ensure they are configured correctly. Restart the device to see if the issue resolves. If the problem persists, consult the troubleshooting guide or contact technical support.

How do I perform a factory reset on the MRD30?

To perform a factory reset, access the settings menu, select 'System', then 'Factory Reset'. Confirm the reset when prompted. Be aware that this will erase all personal data and settings.

What are the power requirements for the Mitsubishi Electric MRD30?

The MRD30 requires a standard AC power supply. Refer to the specifications section of the manual for detailed power requirements, including voltage and frequency. Ensure compatibility with your local power standards.

How can I improve the energy efficiency of my MRD30?

To improve energy efficiency, ensure the device is in standby mode when not in use. Adjust the settings to optimize performance while minimizing power consumption. Regular maintenance can also enhance efficiency.