EHVX08S18DA9W EHVX08S23DA9W
Heater capacity Step 1 kW 3 3
  Step 2 kW max. 6 kW max. 6 kW
Power input Nom. kW 0.09 0.09
Efficiency Domestic hot water Net calorific value % 118 135
Casing Colour   White + Black White + Black
  Material   Precoated sheet metal Precoated sheet metal
Dimensions Unit Height mm 1,650 1,850
    Width mm 595 595
    Depth mm 625 625
  Packed unit Height mm 1,820 2,020
    Width mm 720 720
    Depth mm 740 740
Weight Unit kg 119 128
  Packed unit kg 135 144
Packing Material   Wood, Carton, PE wrapping foil, Metal Wood, Carton, PE wrapping foil, Metal
  Weight kg 16 16
PED Category   Art4.3, See note 1 Art4.3, See note 1
  Most critical part Name   Plate heat exchanger Plate heat exchanger
    Ps*V Bar*l 38 38
Refrigerant side heat exchanger Type   Plate heat exchanger Plate heat exchanger
  Quantity   1 1
  Plates Quantity   42 42
Pump Type   Glandless circulator Glandless circulator
  Nr of speeds   PWM PWM
  Power input W 52 52
Water side Heat exchanger Type   Plate heat exchanger Plate heat exchanger
  Quantity   1 1
  Plates Quantity   42 42
  Water volume l 0.95 0.95
  Water flow rate Min. l/min 12.0 (2) 12.0 (2)
Expansion vessel Volume l 10 10
  Max. water pressure bar 3 3
  Pre pressure bar 1 1
Water filter Diameter perforations mm 0.8 0.8
  Material   Stainless steel, Plastic Stainless steel, Plastic
Tank Name   Stainless steel domestic hot water tank 180 l Stainless steel domestic hot water tank 230 L
  Water volume l 180 230
  Material   Stainless steel (EN 1.4521) Stainless steel (EN 1.4521)
  Maximum water temperature °C 70 (3.000) 70 (3.000)
  Maximum water pressure bar 10 10
  Insulation Material   Polyurethane foam Polyurethane foam
    Heat loss kWh/24h 1.2 (4) 1.4 (4)
  Corrosion protection   Pickling Pickling
  Energy efficiency class   B B
  Standing heat loss W 50 58
  Storage volume l 181 220
General Supplier/Manufacturer details Name or trademark   Daikin Europe N.V. Daikin Europe N.V.
    Name and address   Daikin Europe N.V. - Zandvoordestraat 300, 8400 Oostende, Belgium Daikin Europe N.V. - Zandvoordestraat 300, 8400 Oostende, Belgium
3-way valve Coefficient of flow (kV) Space heating m³/h 8 8
    Domestic hot water tank m³/h 10 10
Water circuit Piping connections diameter inch G 1" (female) G 1" (female)
  Piping material   Cu Cu
  Internal piping diameter inch 1" 1"
  Piping inch 1" 1"
  Safety valve bar 3 3
  Manometer   Digital Digital
  Drain valve / fill valve   No No
  Shut off valve   Yes Yes
  Air purge valve   Yes Yes
  Total water volume l 3.5 (6) 3.5 (6)
  Minimum water volume in the system for cooling l 0 (7) 0 (7)
  Minimum water volume in the system for heating l 0 (7) 0 (7)
Water circuit - Domestic hot water side Piping material   Stainless steel Stainless steel
  Piping connections Cold water in / Hot water out inch G 3/4" FEMALE G 3/4" FEMALE
    Recirculation connection inch G 3/4" FEMALE G 3/4" FEMALE
Refrigerant circuit Gas side diameter mm 15.9 15.9
  Liquid side diameter mm 6.40 6.40
Sound power level Nom. dBA 42 (8) 42 (8)
Sound pressure level Nom. dBA 28 (9) 28 (9)
Operation range Heating Ambient Min. °C 0 (10) 0 (10)
      Max. °C 0 (10) 0 (10)
    Water side Min. °C 0 (10) 0 (10)
      Max. °C 0 (10) 0 (10)
  Cooling Ambient Min. °CDB 0 (10) 0 (10)
      Max. °CDB 0 (10) 0 (10)
    Water side Min. °C 0 (10) 0 (10)
      Max. °C 0 (10) 0 (10)
  Domestic hot water Water side Min. °C 0 (10) 0 (10)
      Max. °C 0 (10) 0 (10)
Safety devices Item 01   Thermal cut out Thermal cut out
Power supply Name   See note 11 See note 11
  Voltage range Min. % 10 10
    Max. % 10 10
Class IP   IP X0B IP X0B
Electric heater Power supply Name   9W 9W
    Phase   3~ 3~
    Frequency Hz 50 50
    Voltage V 400 400
  Current Maximum running current A 13.0 13.0
    Zmax List Ω 0.22 0.22
  Recommended fuses A 20.000 (13) 20.000 (13)
Wiring connections Communication cable Quantity   3 3
    Remark   2.5 mm² 2.5 mm²
  Electric meter Quantity   2 2
    Remark   Minimum 0.75 mm² (5VDC pulse detection) Minimum 0.75 mm² (5VDC pulse detection)
  Preferential kWh rate power supply Quantity   Power: 2 Power: 2
    Remark   Power 6.3A (Select diameter and type according to national and local regulations) Power 6.3A (Select diameter and type according to national and local regulations)
  Domestic hot water pump Quantity   2 2
    Remark   Minimum 0.75 mm² (2A inrush, 1A continuous) Minimum 0.75 mm² (2A inrush, 1A continuous)
  For power supply back-up heater Quantity   Prewired Prewired
  For connection with R6T Quantity   2 2
    Remark   Minimum 0.75 mm² Minimum 0.75 mm²
  For connection with A3P Quantity   Depends on thermostat type, cf. installation manual Depends on thermostat type, cf. installation manual
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm² Voltage: 230V / Max. current: 100mA / Min. 0.75mm²
  For connection with M2S Quantity   2 2
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm² Voltage: 230V / Max. current: 100mA / Min. 0.75mm²
  For connection with optional FWXV* (demand input and output) Quantity   4 4
    Remark   100 mA, minimum 0.75 mm² 100 mA, minimum 0.75 mm²
Notes PED unit category: Art3§3: excluded from scope of PED due to article 1, item 3.6 of 97/23/EC PED unit category: Art3§3: excluded from scope of PED due to article 1, item 3.6 of 97/23/EC
  Operation area is extended to lower flow rates only in case the unit operates with heat pump only. (Not in startup, no BUH operation, no defrost operation). Operation area is extended to lower flow rates only in case the unit operates with heat pump only. (Not in startup, no BUH operation, no defrost operation).
  See DHW operation range in specification ERGA-D See DHW operation range in specification ERGA-D
  Based on a dT of 45 K Based on a dT of 45 K
  Including piping + PHE; excluding expansion vessel Including piping + PHE; excluding expansion vessel
  Including piping + PHE + back-up heater; excluding expansion vessel Including piping + PHE + back-up heater; excluding expansion vessel
  Excluding the water in the unit. This minimum water volume is sufficient for most applications. During critical processes extra water may be required. Excluding the water in the unit. This minimum water volume is sufficient for most applications. During critical processes extra water may be required.
  DB/WB 7°C/6°C - LWC 35°C (DT=5°C) DB/WB 7°C/6°C - LWC 35°C (DT=5°C)
  Sound values are measured in a semi-anechoic room. Sound pressure level is a relative value, depending on the distance and acoustic environment. For more details, please refer to the sound level drawings. Sound values are measured in a semi-anechoic room. Sound pressure level is a relative value, depending on the distance and acoustic environment. For more details, please refer to the sound level drawings.
  Refer to operation range of the unit. Refer to operation range of the unit.
  Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied via the outdoor unit. The optional domestic hot water tank has a separate power supply. Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied via the outdoor unit. The optional domestic hot water tank has a separate power supply.
  2 pole 20 A curve 400V tripping class C (refer to wiring diagram) 2 pole 20 A curve 400V tripping class C (refer to wiring diagram)
  4 pole 20 A curve 400V tripping class C (refer to wiring diagram) 4 pole 20 A curve 400V tripping class C (refer to wiring diagram)