ThermoFlow Elex 21 - Page 23

Electric Tankless Instant Water Heater - Installation Manual and User Guide
23
EN
Technical Specifications
Technical specifications
3-Phase Comfort Series Elex 18P Elex 21P Elex 24P Elex 3IN1P
Electric supply
380-415V 3~
50-60Hz
380-415V 3~
50-60Hz
380-415V 3~
50-60Hz
380-415V 3~
50-60Hz
Nominal power rating 18 kW 21 kW 24 kW 18 / 21 / 24 kW
Nominal current 26 A 30 A 35 A 26 / 30 / 35 A
Earth leakage circuit breaker 3-POLE 32A 3-POLE 32A 3-POLE 40A 3-POLE 40A
Cable size 4 mm
2
4 mm
2
4 mm
2
4 mm
2
Resistivity of the water supply ≥ 1300 Ω•cm ≥ 1300 Ω•cm ≥ 1300 Ω•cm ≥ 1300 Ω•cm
Flow rate (Δt=25°C) 10�2 L/min 11�9 L/min 13�6 L/min 10�2/11�9/13�6 L/min
Flow rate (Δt=35°C) 7�2 L/min 8�5 L/min 9�7 L/min 7�2/8�5/9�7 L/min
Heating system Bare element Bare element Bare element Bare element
Temperature range 35 - 60 °C 35 - 60 °C 35 - 60 °C 35 - 60 °C
Switch on flow rate 2�5 L/min 2�5 L/min 2�5 L/min 2�5 L/min
Non-usage consumption < 1Wh/h < 1Wh/h < 1Wh/h < 1Wh/h
Protection class IP25 IP25 IP25 IP25
Unit dimensions 477x257x125mm 477x257x125mm 477x257x125mm 477x257x125mm
Unit weight 4�2 kg 4�2 kg 4�2 kg 4�2 kg
Water connections G1/2" G1/2" G1/2" G1/2"
Max� inlet water pressure 1�0 MPa 1�0 MPa 1�0 MPa 1�0 MPa
Min� inlet water pressure 0�1 MPa 0�1 MPa 0�1 MPa 0�1 MPa
Switch on flow pressure 0�1 MPa 0�1 MPa 0�1 MPa 0�1 MPa