Vaillant aroTHERM VWL ../2 A 230 V series Installation Instructions Manual

Appendix38 Installation instructions aroTHERM 0020147164_07VWL 55/2 A230 VVWL 85/2 A230 VVWL 115/2 A230 VVWL 155/2 A230 VPower consumption ef-fective at A7/W351.10 kW 1.80 kW 2.50 kW 3.40 kWInput current at A7/W35 4.80 A 7.80 A 10.90 A 14.80 AA7/W45 heating output 4.40 kW 7.80 kW 10.20 kW 13.40 kWA7/W45 output figure/EN14511 coefficient of per-formance3.40 3.80 3.40 3.40Power consumption ef-fective at A7/W451.30 kW 2.10 kW 3.00 kW 4.10 kWInput current at A7/W45 5.70 A 9.10 A 13.00 A 17.80 AA7/W55 heating output 4.20 kW 7.00 kW 9.80 kW 11.20 kWA7/W55 output figure/EN14511 coefficient of per-formance2.70 3.00 2.90 2.30Power consumption ef-fective at A7/W551.60 kW 2.40 kW 3.50 kW 5.00 kWInput current at A7/W55 7.00 A 10.40 A 15.20 A 21.70 AE Overview of fault codesCode Meaning CauseF.022 Water pressure too low Insufficient water in the heating systemF.037 Fan fault – Obstruction in the product's air guiding– Fan motor not connected or faulty– The connection between the main PCB and the fan PCB is dam-aged or broken.F.042 Fault: Coding resistance – The product's coding resistance is missing or is faulty– Coding resistance value outside the permissible range– X25 plug not connected or was connected incorrectlyF.073 Fault: Water pressure sensor Line to water pressure sensor is broken or has a short circuitF.086 Contact thermostat has opened. – Underfloor heating temperature too high– Heating circuit flow rate too low– Underfloor heating circuit is closedF.103 Fault: Spare part detection – The "Max. duration power supply cut-off" parameter has beenset poorly (see the "Heat pump setting parameters" section inthe appendix).– The main PCB that is fitted as a spare part or the inverter doesnot match the productF.514 Temp. sensor fault: Compressor inlet– Sensor is faulty or incorrectly connected to the main PCBF.517 Temp. sensor fault: Compressor outletF.519 Sensor fault: Return temperatureF.520 Sensor fault: Flow temperatureF.523 Sensor fault: VF1 Line to VF1 temperature sensor is broken or has a short circuit.F.526 Sensor fault: Temp. environment circuit EEV 1) Sensor is faulty or incorrectly connected to the main PCB1) Sensor on the evaporator2) Sensor on the condenser