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General| Brand | Mitsubishi Electric |
|---|---|
| Model | ERSE-YM9EC.UK |
| Category | Heat Pump |
| Language | English |
Covers crucial warnings and cautions for mechanical, electrical, and general safety.
Details the procedure for adding refrigerant.
Lists essential tools required for servicing R410A refrigerant systems.
Presents the wiring diagram for EHSE and ERSE models.
Details the function and settings for each DIP switch.
Illustrates wiring for hydrobox powered via outdoor unit (1-phase and 3-phase).
Illustrates wiring for hydrobox with independent power supply (1-phase and 3-phase).
Describes the parts of the main remote controller and its screen icons.
Explains how to manually operate specific functions for maintenance.
Configures the system's behavior after a power failure.
Details settings for heating mode, including flow temp and room control.
Provides a log of past error codes for diagnostics.
Enables password protection for the service menu.
Details how to perform a manual reset to factory settings.
Provides an overview of self-diagnosis, error codes, and test run procedures.
Details how to diagnose malfunctions using the main remote controller.
Troubleshooting steps for circulation water overheat error code L3.
Troubleshooting steps for tank water overheat error code L4.
Troubleshooting for circulation water freeze protection error code L6.
Troubleshooting for low primary circuit flow rate errors (LC, L9).
Troubleshooting for boiler system and DIP switch related errors.
Troubleshooting steps for cooling mode specific errors.
Troubleshooting for communication errors between indoor and outdoor units.
Troubleshoots errors related to the main remote controller communication.
Troubleshoots errors related to wireless remote controller communication.
Details how to check thermistor resistance.
Provides charts showing temperature vs. resistance for various thermistors.
Shows the layout of test points on the FTC controller board.
Provides forms for recording commissioning and field settings.
