Specifications Table for ETVH-D6VG

ETVH16S23DA6VG ETVH16S18DA6VG
Casing Material   Precoated sheet metal Precoated sheet metal
Dimensions Unit Height mm 1,850 1,650
    Width mm 595 595
    Depth mm 625 625
Weight Unit kg 118 109
Sound power level Nom. dBA 44.0 (5) 44.0 (5)
Sound pressure level Nom. dBA 30.0 (6) 30.0 (6)
Operation range Heating Water side Min. °C 0 (7) 0 (7)
      Max. °C 0 (7) 0 (7)
  Cooling Ambient Min. °CDB 0 (7) 0 (7)
    Water side Min. °C 0 (7) 0 (7)
      Max. °C 0 (7) 0 (7)
Power supply Name   See note 9 See note 9
Electric heater Power supply Name   6V3 6V3
    Phase   1~ / 3~ 1~ / 3~
    Frequency Hz 50 50
    Voltage V 230 230
  Recommended fuses A 20.000 (10) 20.000 (10)
Notes (1) - 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). (1) - 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).
  (2) - Based on a dT of 45 K (2) - Based on a dT of 45 K
  (3) - Including piping + back-up heater; excluding expansion vessel (3) - Including piping + back-up heater; excluding expansion vessel
  (4) - Excluding the water in the unit. This minimum water volume is sufficient for most applications. During critical processes extra water may be required. (4) - Excluding the water in the unit. This minimum water volume is sufficient for most applications. During critical processes extra water may be required.
  (5) - Measured with a pressure drop of 10 kPa in the heating system at an operating condition of leaving water 47-55°C in a room with an ambient of 20°C. DB/WB 7°C/6°. (5) - Measured with a pressure drop of 10 kPa in the heating system at an operating condition of leaving water 47-55°C in a room with an ambient of 20°C. DB/WB 7°C/6°.
  (6) - Value measured in an anechoic room at 1m distance from the unit. It is a relative value, depending on the distance and acoustic environment. The sound pressure level mentioned is measured with a pressure drop of 10 kPa in the heating system at an operating condition of leaving water 47-55°C in a room with an ambient of 20°C. (6) - Value measured in an anechoic room at 1m distance from the unit. It is a relative value, depending on the distance and acoustic environment. The sound pressure level mentioned is measured with a pressure drop of 10 kPa in the heating system at an operating condition of leaving water 47-55°C in a room with an ambient of 20°C.
  (7) - Refer to operation range of the unit. (7) - Refer to operation range of the unit.
  (8) - Depends on operation mode, refer to installation manual. (8) - Depends on operation mode, refer to installation manual.
  (9) - 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. (9) - 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.
  (10) - 4 pole 20 A curve 400V tripping class C (refer to wiring diagram) (10) - 4 pole 20 A curve 400V tripping class C (refer to wiring diagram)