Idiomas disponibles
Idiomas disponibles
5.7
Initial commissioning
CAUTION!
The cylinder must be filled with water prior to commissioning.
During the heating-up process, the water inside the cylinder must flow out of the safety valve (with a pressure-resistant connection), or else drip out of the
overflow mixer tap or flow into a connected expansion vessel (with a pressureless connection).
CAUTION!
Hot water outlet pipe and parts of the safety valve may become hot.
6
Inspection, maintenance and service
6
Inspection, maintenance and service
Do not use abrasive cleaning agents or paint thinners (such as nitro, trichloroethylene etc.) to clean the device. After cleaning, rinse the device thoroughly and
monitor the heating-up process.
NOTE
The inner tank of an enamelled domestic hot water cylinder must not come into contact with boiler compound. Do not use a decalcifying pump.
Do not use abrasive cleaning agents or paint thinners (such as nitro, trichloroethylene etc.) to clean the device. After cleaning, rinse the device thoroughly and
monitor the heating-up process.
7
Malfunctions
7
Malfunctions
If the water inside the cylinder is not being heated, please check whether the miniature circuit breaker / circuit breaker or the safety fuse has been activated.
Also check the thermo controller setting.
In all other cases, please do not try to solve the problem yourself. Please contact a qualified heating technician or our after-sales service.
8
Technical data
8
Technical data
n
Flange diameter 180 mm – splash-proof version in accordance with DIN EN 60529 - IPX4.
n
Height of dust cap: 150 mm
Thermo controller range: adjustable from 40°C to approx. 85°C, plus frost protection position 25°C.
The required flange seal is supplied.
FLH 25M:
CTHK 632 - CTHK 636:
Type
Rated out-
Rated
put in kW
voltage V
FLH 25M
2.5
~230
FLH 60
6.0
3~400
FLHU 70
2.0
3~400
(can be re-
2.7
connected
4.0
to ...)
FLH 90
9.0
3~400
CAUTION!
For electrical connection: The FLH 60, FLHU 70 and FLH 90 flange heaters are connected to the heat pump manager via a contactor. To do this,
please also refer to the heat pump manager connection diagram.
Original Quality by Bosch Thermotechnik GmbH
Sophienstraße 30-32; D-35576 Wetzlar/Germany
Mono-phase version for direct connection ~ 230 volts
Three-phase version for direct connection 3 ~ 400 volts
Number of
Switching as-
Immersion
heating ele-
sembly 1 in
depth in mm
ments
kW
1
2.5
450
3
6.0
450
3
2.0
360
2.7
4.0
3
9.0
580
Electric flange heater FLH
Unheated
Horizontal in-
Flange dia-
length in
stallation pos-
meter
mm
sible
105
x
180
105
x
180
105
x
180
105
x
180
FLH – 6721836796 05/2021 [EN]
DVGW and
VDE certi-
KTW certi-
fication
fication
x
x
x
x
x
x
x
x
452115.66.66 FD 9601
5
