DLX Next
9
EN
1. Overview
Installation instruction
2. Technical specifications
See figure C1.
Pos.
Function
1
Bottom part
2
Safety thermal cut-out (STB)
3
Thermal sensor set
4
Heating element
5
Non-return valve
6
Flow sensor
7
Safety pressure cut-out SDB
8
Outlet pipe
9
Flow limiter
10
Hot water connection
11
Screw-in nipples ½ inch
12
Grommet
Pos.
Function
13
Water splash protection sleeve
14
Wall bracket
15
DLX Next hood
16
Connecting pipe
17
PCB cover
18
PCB
19
Connecting terminal
20
Control panel with bracket
21
Inlet pipe
22
Fine filter
23
Cold water connection
24
Frame
3. Dimensions
Dimensions in mm (fig. D1)
Model
DLX 18 Next
DLX 21 Next
DLX 24 Next
Energy efficiency class
A *
)
Rated capacity / rated current
18 kW / 26 A
21 kW / 30 A
24 kW / 35 A
Electrical connection
3~ / PE 380..415 V AC
Min. required cable size
1)
4.0 mm
2
4.0 mm
2
6.0 mm
2
Hot water (l/min)
max. at ∆t = 28 K
max. at ∆t = 38 K
9.2
2)
6.8
10.7
2)
7.9
12.3
2)
9.0
2)
Rated volume
0.4 l
Rated pressure
1.0 MPa (10 bar)
Connecting type
pressure-resistant / pressureless
Heating system
Bare wire heating system IES
®
@ 15 °C:
Required specific water resistance
Specific electrical conductivity
≥ 1100 Ωcm
≤ 90 mS/m
Inlet temperature
≤ 30 °C
Flow rate to switch on – max. flow rate
1.5 l/min – 7.0
3)
1.5 l/min – 8.0
3)
1.5 l/min – 8.0
3)
Pressure loss
0.08 bar at 1.5 l/min 1.3 bar at 9.0 l/min
4)
Temperature range
35 °C / 45 °C / 55 °C
Water connection
G ½ inch
Weight (when filled with water)
4.2 kg
VDE class of protection
I
Type of protection / safety
IP25
*) The declaration complies with the EU regulation No 812/2013
1) Maximum applicable cable size is 10 mm
2
at electrical connection from above
2) Mixed water
3) Flow rate limited to achieve optimum temperature rise
4) Without flow regulator
