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
Minimum flow rate (l/min)
2.5
Maximum flow rate (l/min)
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)
Required specific water resistance @ 15
°
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)
Without flow regulator
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).
Technical data
