To Next PageTo Next PageWhat to do if there is a connector abnormality in Mitsubishi Electric City Multi Air Conditioner?
If you suspect a connector abnormality in your Mitsubishi Electric Air Conditioner, you should check the connector for any signs of being open or shorted.
Why is the drain pump not functioning in my Mitsubishi Electric City Multi?
If the drain pump of your Mitsubishi Electric Air Conditioner is not functioning, verify that the drain float switch is working correctly. Also, confirm that the drain pump itself is operational and properly draining water during cooling operation.
How to troubleshoot linear expansion valve abnormality in Mitsubishi Electric Air Conditioner?
If you have a linear expansion valve abnormality in your Mitsubishi Electric Air Conditioner, disconnect the connector and then measure the resistance using a tester.
How to check drain float switch abnormality in Mitsubishi Electric City Multi Air Conditioner?
If you suspect a drain float switch abnormality in your Mitsubishi Electric Air Conditioner, measure the resistance between the terminals using a tester. Make sure UP is short and DOWN is open.
General| Refrigerant | R410A |
|---|---|
| Control | Centralized control, individual control |
| Indoor Unit Types | Ceiling Cassette, Ceiling Suspended, Wall Mounted |
| Power Source | Electric |
| Piping Length | Up to 1000m total piping length (depending on the model) |
| Height Difference | Up to 50m |
Cautions for units utilizing refrigerant R410A.
Explains the components of the indoor unit.
Details functions and interfaces of remote controllers.
Detailed specifications for various model series.
Sound pressure levels for different models.
Noise Criterion (NC) curves for different models and fan speeds.
Specifications for electrical components like thermistors, motors, etc.
Deciding airflow patterns and setting switches for installation.
Dimensions for duct holes and fresh air intake.
How to connect and operate with a duct fan.
Graphs showing intake air amount vs. static pressure.
How to operate the unit in COOL mode.
How to operate the unit in DRY mode.
How to operate the unit in FAN mode.
How to operate the unit in HEAT mode.
Automatic cool/heat change over operation.
Control mode when the unit is stopped.
Procedures to check various parts for troubleshooting.
Characteristics and testing of thermistors.
Operation and testing of the linear expansion valve.
Method for checking DC fan motor and controller board.
Explains the functions of various DIP switches.
Settings for address, connection, and functions.
Pairing wireless remotes and performing test runs.
Diagram showing test points on the indoor controller board.
Steps to remove the intake grille and filter.
Steps to remove the electrical box cover.
Steps to remove the room temperature thermistor.
Steps to remove the indoor controller board.
Steps to remove the electrical box.
Steps to remove the turbo fan.
Steps to remove the turbo fan motor.
Steps to remove the grille.
Steps to remove the drain pan.
Steps to remove thermistors.
Steps to remove the drain pump and float switch.
Steps to remove the heat exchanger.
