Specifications Table for ETVZ16E9W

ETVZ16S18EA9W (Archived) ETVZ16S23EA9W (Archived)
Sound pressure level Nom. dBA 30.0 (6) 30.0 (6)
Operation range Cooling Ambient Min. °CDB 0 (7) 0 (7)
    Water side Max. °C 0 (7) 0 (7)
      Min. °C 0 (7) 0 (7)
  Heating Water side Max. °C 0 (7) 0 (7)
      Min. °C 0 (7) 0 (7)
Sound power level Nom. dBA 44.0 (5) 44.0 (5)
Dimensions Unit Width mm 595 595
    Depth mm 625 625
    Height mm 1,650 1,850
Casing Material   Precoated sheet metal Precoated sheet metal
Weight Unit kg 120 128
Power supply Name   See note 9 See note 9
Electric heater Recommended fuses A 20.000 (10) 20.000 (10)
  Power supply Frequency Hz 50 50
    Voltage V 400 400
    Name   9W 9W
    Phase   3~ 3~
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 operatin (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 operatin
  (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)