Vallox fan All models error codes
Codes
- 25-80Error codeSolenoid valve. Not included in the delivery. The valve that is chosen must be compatible with the heat collection circuit fluid (for example, Danfoss 032U161431, HVAC code 4122110)
- C2Error codeOne-way valve. Not included in the delivery
- C24Error code24 VDC relay/contactor for controlling the pump and the solenoid valve. Not included in the delivery. (For example, ABB CR-P024DC2)
- lox51Error code1 2 3 4 5 AHS %RH CO2 C 6 B 45 3 2 1 BN BU BN BU BN BU BN BU 2 3 1 230V 50Hz T1 T2 130°C 90°C BU YEGN BN YE GN WT BU YEGN BN YE GN WH R1 MB A External Modbus A signal T Supply air fan _ ho (WT) MB B External Modbus B signal P Extract air fan _ +24V +24V voltage (DC) M Damper motor M (YE) ho (WT) GND Digital and analog ground potential AHS Post-heating co RS A Local hardware Modbus A signal CO Internal carbon M (YE) _ 2 RS B Local hardware Modbus B signal %RH Internal humidity _ NTC External temperature sensor connector Post-heating res R1 90°C and 130°C D/I1 Digital input 1 protection e HR cell D/I2 Digital input 2 11V1 11.1 V operating voltage
- Y2Error codeOne-way valve. Not included in the delivery. The pressure loss must be less than the pressure loss of the heat pump