DEX & DBX Installation, Maintenance and User Instructions V1.05 Page 4 August / 2014
Model
DEX
(1)
DEX12
(1)
DBX18 DBX21 DBX24 DBX27
Nominal supply voltage 1/N/PE 230V~ 3/PE 380-400V~ 3/PE 400V~
Power Rating (kW) 8.8 / 11.0
(1)
18.0 21.0 24.0 27.0
Rated Current (A)
38 (8.8kW)
48 (11.0kW)
26 30 35 39
Element type Bare wire
Rated pressure 1 MPa (10 bar)
Temperature adjustment range
DEX 20
°
C - 55
°
C 20
°
C - 60
°
C
DBX 30
°
C - 60
°
C
Maximum inlet temperature
DEX 25
°
C 70
°
C
DBX 30
°
C
2.5
DEX 5.0 8.0
DBX 7.0 8.0 8.0 9.0
Flow rate @ 38
°
C (l/min)
(2)
4.8 (8.8kW)
6.1
(3)
(11.0kW)
9.8
(3)
11.4
(3)
13.0
(3)
14.8
(3)
Flow rate @ 50
°
C (l/min)
(2)
3.3 (8.8kW)
4.1 (11.0kW)
6.8 7.9 9.0
(3)
10.2
(3)
Pressure loss @ 2.5 l/min 0.2 bar
@ 9.0 l/min 1.3 bar
(4)
°
C
DEX >1300 ohm.cm >1100 ohm.cm
DBX >1300 ohm.cm
Dimensions H x W x D (mm) 466 x 231 x 97
Maximum weight (kg) 3.7
Rated volume (litres) 0.4
Water connections (BSP) 1/2”
Protection class IP25
(1)
Power rating selected at time of installation
(2)
At 12°C incoming water temperature
(3)
Mixed with cold water at the outlet
(4)
All data quoted at nominal supply voltage. Standard European voltage tolerances of -6% to + 10%
may be applied.
A minimum water pressure of 0.2 MPa (2 bar) is recommended for optimum performance.
The appliance must not be subject to more than 1 MPa (10 bar).
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