Technical Data; Fault Elimination -User; Fault Elimination - Qualified Installer - STIEBEL ELTRON DHM 3 Gebrauchsanleitung

2.12

Technical data

Type
Design
Configuration
Reated pressure
T-piece with pressure hose
Rated capacity
Weight
Rated power by 230 V
Maximum electrical impendance Z
Rated voltage
Rated current
Hot water output ∆ϑ = 25 K
Jet regulator SR 3
Jet regulator SR 5
Flow rate „ON"
Flow rate „OUT"
Automatic flow regulation
Pressure drop (during switch-on flow)
Max. inlet temperature
Protection class in accordance with
DIN EN 60335
Protection mode in accordance with EN 60529 IP 25
Test mark, see unit identification plate
Water connections G 3/8 (surface installation)
Heating system - bare-wire
Area of use: low-lime and limy water
Table 1
1) Specific electrical conductivity und specific electrical resistance
Designation as
resistance
conductivity
conductivity
Table 2
3. Fault elimination
Fault
No hot water despite fully opened hot water
fitting.
Table 3
4. Fault elimination
Fault
Flow too weak
Heating fails to switch on / no hot water.
Table 4
10
(the data on the unit identification plate are applicable)
DHM 3
closed (pressurized)
under-sink •
MPa 1
•
l 0,1
kg 1,4
kW 3,5
mW –
max
1/N/PE ~ ... V 230
A 15
l/min 2,0
•
–
l/min ≤ 2,0
l/min ≥ 0,9
l/min 2,2
MPa 0,05
°C 25
1
•
•
1100 Ωcm •
1)
•
Areas of application for different water analysis reference temperatures
Standard
at 15 °C
Ωcm ≥ 1100
mS/m ≤ 90,9
µS/cm ≤ 909
by the user
Cause
No electrical power.
The turn on flow rate needed to switch on the
heating power has not been reached. Soiling or
furring of the jet regulator.
by the qualified installer
Cause
Jet regulator furred or soiled.
Filter soiled.
No electrical power.
Heating system defective.
The pressure limiter has released
DHM 4
closed (pressurized)
•
1
•
0,1
1,4
4,4
–
230
19
2,5
•
–
≤ 2,6
≥ 1,15
2,8
0,06
25
1
IP 25
•
•
•
•
at 20 °C
≥ 970
≤ 103
≤ 1030
Remedy
Check the fuses in the house installation.
Clean or if necessary renew the jet regulator
(see „2.11 Special accessories").
Remedy
Clean or if necessary renew the fitting jet regu-
lator (see „2.11 Special accessories").
Clean the filter in the cold water inlet A (2)
after shutting off the water supply.
Check the fuse (house installation).
Measure heating system resistance, if necessary
exchange the unit.
Determine and eliminate the cause for the fault.
Disconnect from power and relieve the pressu-
re. Reactivate pressure limiter E (a).
DHM 6
closed (pressurized)
•
1
•
0,1
1,4
5,7
377
230
25
3,3
–
•
≤ 3,2
≥ 1,8
4,3
0,08
25
1
IP 25
•
•
•
•
at 25 °C
≥ 900
≤ 111
≤ 1110