To Next PageTo Next PageWhy is my Daikin RXYQ20T7Y1B Air Conditioner discharge temperature too high?
The discharge temperature may be too high due to a closed stop valve or a refrigerant shortage. To resolve this, open the stop valves and check the refrigerant amount, recharging the unit if necessary.
What to do if my Daikin RXYQ20T7Y1B has low pressure malfunction?
If your Daikin Air Conditioner is showing a low pressure malfunction, the stop valve might be closed, there could be a refrigerant shortage, or there might be an indoor unit malfunction. You should open the stop valves, check the refrigerant level and recharge if needed. Also, verify the user interface display and the transmission wiring between the outdoor and indoor units.
Why is my Daikin RXYQ20T7Y1B Air Conditioner compressor casing temperature too high?
A high compressor casing temperature could be due to a closed stop valve or a refrigerant shortage. The suggested solution is to open the stop valves and check the refrigerant amount, recharging the unit if necessary.
What causes Daikin Air Conditioner high pressure switch activation?
The high pressure switch in your Daikin Air Conditioner might be activating because of a stop valve issue or abnormalities in the field piping, or airflow over the air cooled coil.
What to do if my Daikin Air Conditioner indicates unusual low pressure on suction line?
If your Daikin Air Conditioner shows unusual low pressure on the suction line, immediately close valve A and push BS1 to reset. Before retrying the auto charge procedure, verify that the gas side stop valve and the refrigerant cylinder valve are opened correctly, and that the air inlet and outlet of the indoor unit are not obstructed.
How to fix Daikin RXYQ20T7Y1B Air Conditioner electronic expansion valve malfunction (subcool)?
To address an electronic expansion valve malfunction (subcool) on your Daikin Air Conditioner, check the connection on the PCB or the actuator.
How to fix Daikin Air Conditioner electronic expansion valve malfunction (main)?
To fix an electronic expansion valve malfunction (main) on your Daikin Air Conditioner, check the connection on the PCB or the actuator.
How to fix Daikin RXYQ20T7Y1B electronic expansion valve malfunction (storage vessel)?
To fix an electronic expansion valve malfunction (storage vessel) on your Daikin Air Conditioner, check the connection on the PCB or the actuator.
What to do if my Daikin Air Conditioner is preventing freeze-up in the indoor unit?
If your Daikin Air Conditioner is preventing freeze-up in the indoor unit, immediately close valve A and push BS1 to reset. Then, retry the auto charge procedure.
What to do if my Daikin Air Conditioner ambient temperature sensor malfunctions?
If the ambient temperature sensor on your Daikin Air Conditioner malfunctions, check the connection on the PCB or actuator.
Explains the documentation set and audience.
Safety advice for users on operation and handling.
Crucial safety instructions and precautions for installers.
Describes the purpose and audience of this specific document.
Explains what to do after receiving the outdoor unit box.
Provides instructions for safely unpacking the outdoor unit.
Introduces information on unit identification and system layout.
Explains the model identification codes and their meanings.
Details the VRV IV heat pump system and its applications.
Illustrates how the outdoor unit fits into the system.
Covers guidelines for combining units and available options.
Introduces key preparation steps before installation.
Details site requirements for the outdoor unit installation.
Guides on selecting appropriate piping and adhering to requirements.
Covers electrical wiring compliance and safety device requirements.
Introduces the chapter on installing the system.
Provides instructions for opening the outdoor unit and its electrical box.
Covers procedures for securely mounting the outdoor unit.
Guides on connecting refrigerant piping with safety precautions.
Covers leak testing and vacuum drying procedures for refrigerant piping.
Emphasizes the importance of insulating refrigerant piping after leak testing.
Covers the process of charging refrigerant into the system.
Covers electrical wiring installation and precautions.
Introduces the chapter on system configuration and field settings.
Explains how to perform manual field settings using push buttons and DIP switches.
Explains advanced energy-saving features and their parameters.
Covers automatic and manual leak detection functions.
Introduces the chapter on verifying system operation after installation and configuration.
Lists safety precautions to be observed during commissioning.
Provides a checklist of items to verify before powering up the unit.
Explains the purpose of the test run and what it checks.
Details the step-by-step procedure for performing a system test run.
Guides on how to address and correct issues identified during the test run.
Introduces the chapter on maintenance and service procedures.
Lists essential safety precautions for maintenance work.
Explains how to use service mode for operations like vacuuming.
Introduces the chapter on identifying and solving problems.
Guides on how to resolve issues based on displayed error codes.
Provides a comprehensive table of error codes, their causes, and solutions.
Introduces the technical data section, mentioning website resources.
Provides dimensional drawings for outdoor units of different HP classes.
Specifies required service space dimensions around the outdoor unit.
Shows component diagrams for outdoor units of various models.
Illustrates the layout of components within the electrical component box.
Provides piping diagrams for outdoor units of various models.
Presents the wiring diagram for the outdoor unit.
Information for users on system usage and precautions.
Illustrates the system layout and available outdoor unit models.
Specifies safe and effective operating temperature and humidity ranges.
Details procedures for operating the system, including power and startup.
Describes how to use the dry program for humidity control.
Covers adjusting air flow direction and flap positions.
Explains how to set the master user interface for system control.
Describes alternative control systems available for the units.
Explains basic, automatic, and Hi-sensible/economic operation modes.
Outlines comfort levels (Powerful, Quick, Mild, Eco) for optimizing operation.
Provides instructions for maintenance after a long period of inactivity.
Details maintenance procedures before a long period of inactivity.
Discusses refrigerant type and global warming potential.
Covers warranty information and recommended maintenance.
Provides a comprehensive table of error codes, their causes, and solutions.
General| Brand | Daikin |
|---|---|
| Model | RXYQ20T7Y1B |
| Category | Air Conditioner |
| Language | English |
