Technical Specifications; Description Of The Appliance - ThermoFlow Hydrex User Manual

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Technical specifications

Description of the appliance

Hydrex
12
Electronic Instant Waterheater
Hydraulic Instant Waterheater
Electric supply
Nom. power rating
Nominal current
Cable size
Flow Rate (Δt=25°C)
Flow Rate (Δt=35°C)
Heating system
Temperature range
Max. pressure water mains
Switch on Flow rate
Switch on Flow Pressure
Max. inlet temperature
Non-usage consumption
Protection Class
Type of Protection
Dimensions
Unit Weight
Water connections
Hydrex / Elex 18, 21, 24 kW
The instantaneous water heaters with water pressure control (Hydrex 18, 21, 24 kW) and
those with electronic control (Elex 18, 21, 24 kW) are intended for use in unvented systems,
to heat cold water to DIN 1988 and to supply one or more draw-off points.
The instantaneous water heaters should be installed and indoors and preferably vertically
near the water connection. The appliance shall not be switched on if there is a possibility
that the water in the heater is frozen.
Housing
Operating Display
18kW 21kW
18kW 21kW
400V 3~ 50Hz
18kW 21kW
26-32A 30-32A 35-40A
4.0mm²
10L/min. 11,8L/min. 13L/min.
7L/min. 8,2L/min. 9,3L/min.
unvented
0°C - 75°C
0,6MPa
2,5L/min.
0,1MPa - 0,6MPa
20°C
<0,001KWh
I
IP24
255 x 115 x 472mm
4,3kg 4,4kg
G1/2"
Elex
24kW
24kW
24kW
4,5kg