Connecting pipe
Power circuit board cover
Power circuit board (PCB)
Connecting terminal
Frame
Cold water connection
Fine filter
Water splash protection sleeve
Grommet
Screw-in nipples ½ inch
DBN hood
Non-return valve
Flow sensor
Thermal sensor
Thermal sensor
Outlet pipe
Flow limited
Bottom part
Wall bracket
Hot water connection
1. Overview
Safety thermal cut-out
(STB)
Heating element
Inlet pipe
Installation Instructions
Safety pressure cut-out
(SDB)
2. Technical Specifications
Model
DBN 18
DBN 21
DBN 24
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)
2)
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 spec. water resistance
Spec. electrical conductivity
≥ 1300 Ωcm
≤ 77 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
30 – 60 °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.
# Rated currency is provided based on Germany standard, ie. 400V, 18kW/√3/400=26A
^ Actual wiring size based on EMSD Code Of Practice For Electricity (wiring) Regulation’s
Appendix A6(1)
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.
• All information in this manual is for reference only. If there are any errors or omissions, the specifications produced by the
factory shall prevail. Specification is subjected to change without prior notice.
• If there is any inconsistency or ambiguity between the English version and the Chinese version of this manual, the English
version shall prevail.
• Refer to www.germanpool.com for the most up-to-date version of the Operating Instructions.
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11
Summary of Contents for German Pool DBN
Page 12: ...2 1 DBN 50 C 30 C 60 C 55 C 1 2 3 4 5 10 3 22 23...
Page 13: ...4 DBN PCB PCB 1 2 DBN 1 SDB 24 25...
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