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rebecca73Sep 7, 2025
How to check unit combination on Daikin Air Conditioner multi system?
- AApril ThompsonSep 7, 2025
If you have a wrong unit combination in your Daikin Air Conditioner multi system, check if the unit types are compatible.
How to check unit combination on Daikin Air Conditioner multi system?
If you have a wrong unit combination in your Daikin Air Conditioner multi system, check if the unit types are compatible.
What to do if the Daikin Air Conditioner discharge temperature is too high?
If your Daikin Air Conditioner displays a discharge temperature that is too high, try opening the stop valves. Also, verify and recharge the unit with the correct amount of refrigerant.
How to check wiring to Q1/Q2 on a Daikin REYQ18T7Y1B?
If you suspect faulty wiring to Q1/Q2 or between the indoor and outdoor units of your Daikin Air Conditioner, check the (Q1/Q2) wiring.
How to open a closed liquid stop valve on a Daikin Air Conditioner?
If the liquid stop valve is closed on your Daikin Air Conditioner, open the liquid stop valve.
What to do if the Daikin REYQ18T7Y1B Air Conditioner test run aborted?
If the Daikin Air Conditioner test run is aborted, re-execute the test run.
What to do if an error occurred during the Daikin REYQ18T7Y1B test run?
If your Daikin Air Conditioner experiences an error during the test run, re-execute the test run.
What to do if Daikin REYQ18T7Y1B system test run not yet executed?
If the Daikin Air Conditioner system test run has not been executed, execute a system test run.
What to do if Daikin REYQ18T7Y1B test run aborted due to communication issues?
If the Daikin Air Conditioner test run is aborted due to communication issues, check the communication wires and then re-execute the test run.
What to do if my Daikin REYQ18T7Y1B has a refrigerant overcharge or stop valve closed?
If your Daikin Air Conditioner indicates a refrigerant overcharge or a closed stop valve, check the refrigerant amount and recharge the unit if necessary. Also, ensure that the stop valves are open.
How to troubleshoot a Daikin REYQ18T7Y1B with an activated high pressure switch?
If the high pressure switch is activated on your Daikin Air Conditioner, check the stop valve situation and inspect for any abnormalities in the field piping or airflow over the air-cooled coil.
General| Model | REYQ18T7Y1B |
|---|---|
| Category | Air Conditioner |
| Cooling Capacity (kW) | 5.0 |
| Refrigerant | R32 |
| Power Supply (Indoor Unit) | 220-240V, 50Hz |
Procedures for routing and connecting refrigerant piping to outdoor and indoor units.
Guidelines and methods for checking refrigerant piping for leaks and vacuum.
Covers precautions and procedures for charging refrigerant into the system.
Details on connecting electrical wiring, including power supply and transmission wiring.
Guides on making essential field settings for system configuration using unit controls.
Important safety precautions to observe before performing commissioning tests.
A checklist of items to verify after installation before powering up the unit.
Overview of the test operation procedure and checks performed on the system.
Step-by-step instructions for performing the system test run.
Guidance on how to resolve system issues by interpreting and addressing error codes.
A comprehensive list and explanation of error codes displayed by the system.
A guide to understanding and interpreting system error codes for troubleshooting.