Daikin RXYQQ38U7Y1B handleiding
Handleiding
Je bekijkt pagina 39 van 48
19 Troubleshooting
Installation and operation manual
39
RXYQQ8~20U7Y1B
VRV IV Q+ series heat pump
4P546221-1B – 2020.10
Main code Sub code Cause Solution
Master Slave 1 Slave 2
High pressure switch was activated
(S1PH, S2PH, S3PH, S4PH) - A1P
(X2A , X3A, X4A)
Check stop valve situation or
abnormalities in (field) piping or airflow
over air cooled coil.
▪ Refrigerant overcharge
▪ Stop valve closed
▪ Check refrigerant amount+recharge
unit.
▪ Open stop valves
Stop valve closed (liquid) Open liquid stop valve.
▪ Refrigerant overcharge
▪ Stop valve closed
▪ Check refrigerant amount+recharge
unit.
▪ Open stop valves.
Low pressure malfunction:
▪ Stop valve closed
▪ Refrigerant shortage
▪ Indoor unit malfunction
▪ Open stop valves.
▪ Check refrigerant amount+recharge
unit.
▪ Check the user interface's display or
transmission wiring between the
outdoor unit and the indoor unit.
Electronic expansion valve malfunction
(main) (Y1E) - A1P (X21A)
Check connection on PCB or actuator.
Electronic expansion valve malfunction
(liquid cooling) (Y3E) - A1P (X23A)
Check connection on PCB or actuator.
Electronic expansion valve malfunction
(subcool) (Y2E) - A1P (X22A)
Check connection on PCB or actuator
Electronic expansion valve malfunction
(storage vessel) (Y4E) - A1P (X25A)
Check connection on PCB or actuator
Discharge temperature too high
(R21T/R22T):
▪ Stop valve closed
▪ Refrigerant shortage
▪ Open stop valves.
▪ Check refrigerant amount+recharge
unit.
Compressor casing temperature too
high (R8T/R9T):
▪ Stop valve closed
▪ Refrigerant shortage
▪ Open stop valves.
▪ Check refrigerant amount+recharge
unit.
▪ Refrigerant overcharge
▪ Stop valve closed
▪ Check refrigerant amount+recharge
unit.
▪ Open stop valves.
Ambient temperature sensor
malfunction (R1T) - A1P (X18A)
Check connection on PCB or actuator.
Bekijk gratis de handleiding van Daikin RXYQQ38U7Y1B, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Daikin |
| Model | RXYQQ38U7Y1B |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 8215 MB |
