8 Technical dataInstallation manual25EBLQ+EDLQ011~016CAV3+W1Daikin Altherma low temperature monobloc4P522031-1 – 2018.01R1, R2 (A2P) (W1only)ResistorR1T Thermistor (air)R2T Thermistor (discharge)R3T Thermistor (suction)R4T Thermistor (heat exchanger)R5T Thermistor (heat exchanger middle)R6T Thermistor (liquid)R7T (W1 only) Thermistor (fin)R10T (V3 only) Thermistor (fin)RC (A4P)(V3only)Signal receiver circuitS1NPH Pressure sensorS1PH High pressure switchTC (A4P)(V3 only) Signal transmission circuitV1R (A1P)(V3only)Power moduleV1R~V2R (A2P)(W1 only)Power moduleV2R~V3R (A1P)(V3 only)Diode moduleV3R (A2P)(W1only)Diode moduleV1T (A1P)(V3only)IGBT (Insulated Gate Bipolar Transistor)X1M Terminal stripY1E, Y3E Electronic expansion valveY1S Solenoid valve (4‑way valve)Y3S Solenoid valve (hot gas pass)Z1C~Z9C Noise filter (ferrite core)Z1F~Z4F (A*P)(V3 only)Noise filterZ1F~Z3F (A1P)(W1 only)Noise filterZ4F(A3P)(W1 only)Noise filter# Field supply* OptionalOutdoor unit: hydro moduleEnglish TranslationCompressor switch box Compressor switch boxControl box Control boxExternal outdoor ambient sensoroptionExternal outdoor ambient sensoroptionHydro switch box supplied fromcompressor moduleHydro switch box supplied fromcompressor moduleHydro switch box Hydro switch boxIndoor IndoorNormal kWh rate power supply Normal kWh rate power supplyOnly for normal power supply(standard)Only for normal power supply(standard)Only for preferential kWh ratepower supply (compressor)Only for preferential kWh ratepower supply (compressor)Outdoor OutdoorUse normal kWh rate powersupply for hydro switch boxUse normal kWh rate powersupply for hydro switch boxA1P Main PCBA2P Current loop PCBEnglish TranslationB1L Flow sensorE11H Flextube heater (15.6 W)E12H Expansion vessel heater (50 W)E13H PHE heater (50 W)E14H Internal pipe heater 1 (50 W)E15H Internal pipe heater 2 (33 W)F1U (A1P) Fuse T5 A 250VK*R (A1P) Magnetic relayM1P Main supply pumpQ4DI # Earth leakage circuit breakerR1T Outlet water heat exchangerthermistorR3T Refrigerant liquid side thermistorR4T Inlet water thermistorR6T * External outdoor ambient sensorS1L Flow switchTR1 Power supply transformerX*A, X*Y (A1P, A2P) ConnectorX*M Terminal strip*: Optional#: Field supplyControl boxEnglish TranslationBUH option Backup heater optionControl box Control boxDHW option Domestic hot water optionDHW pump Domestic hot water pumpDual set point application (referto installation manual)Dual set point application (referto installation manual)Heat pump convector Heat pump convectorHydro switch box Hydro switch boxNO valve Normal open valveOnly for *** Only for ***Only for ext. sensor (floor orambient)Only for external sensor (floor orambient)Only for wired On/OFFthermostatOnly for wired On/OFFthermostatOnly for wireless On/OFFthermostatOnly for wireless On/OFFthermostatOption box Option boxPreferential kWh rate powersupply contact: 5 V DC detection(voltage supplied by PCB)Preferential kWh rate powersupply contact: 5 V DC detection(voltage supplied by PCB)A3P * On/OFF thermostat (PC=powercircuit)A4P * Extension PCB (control, optional)A5P User interface PCBA7P * Receiver PCB (wireless On/OFFthermostat)DS1 (A4P) * DIP switchE4H * Booster heater (3 kW)F1U Fuse T 5 A 500 VF1U (A4P) Fuse T 2 A 250 VF2B * Overcurrent fuse booster heaterF2U (A4P) Fuse T 2 A 250 V for 3-way valveK1A Relay for heating