Decommissioning 8
0020230756_00 0020230738 Installation instructions
17
7.3
Restarting the Energy Manager
1
▶
Press and hold the reset button with a pointed object for
at least six seconds.
◁
The operating signal LED slowly flashes green.
7.4
Resetting the Energy Manager to factory
settings
▶
Press the reset button with a pointed object for between
two and six seconds.
◁
The network settings are restored.
8
Decommissioning
8.1
Decommissioning the product
1.
Disconnect the RS485 connection to the PV electrical
immersion heater on the Energy Manager.
2.
If required, uninstall the Energy Manager.
3.
Switch off the power supply to the PV electrical immer-
sion heater.
4.
Disconnect the power supply.
5.
Drain the domestic hot water cylinder.
6.
Remove the electrical immersion heater.
7.
Install the seal and inspection-opening cover.
8.
Install the cover for the inspection opening.
8.2
Recycling and disposal
Disposing of the packaging
▶
Dispose of the packaging correctly.
▶
Observe all relevant regulations.
9
Customer service
9.1
Customer service
The contact details for our customer service are provided in
the appendix or on our website.
10 Technical data
10.1
Technical data for the PV electrical
immersion heater
PV
Elektroheizstab,
0,5 ... 3,5 kW
Nominal output
≈
3.5 kW
Permissible environmental
temperature during operation
0 … 40
℃
Permissible air humidity in %
< 75 (long-term
storage); < 95
(during transport)
Recommended max. water
hardness for potable water
≤
14 °dH
Temperature adjustment
range (boiler)
40 … 75
℃
Permissible temperature for
the water storage
7 … 85
℃
Domestic hot water operat-
ing temperature
65
℃
Max. cylinder temperature for
potable water
≤
95
℃
Max. operating pressure for
potable water
≤
1 MPa
(
≤
10 bar)
Min. frost-protection temper-
ature
≥
4
℃
Max. temperature of the
screw head
≤
95
℃
Max. temperature of the im-
mersion heater surface
≤
150
℃
Max. electrical loading of the
surface
Max. 14.1 W/cm
³
Insert length (immersion
depth)
450 mm
Insert diameter
≈
36.5 mm
Diameter of the immersion
heaters
6.5 mm
Immersion heater material
2.4858/In-
coloy 825
Immersion heater head ma-
terial
1.4404
Width across flats of the im-
mersion heater head
WAF 60 mm
Threaded connection
G 1 1/2 B inch
Recommended tightening
torque for the immersion
heater head
90 … 100 Nm
Length of the immersion
heater head
≈
160 mm
Connector housing material
PA6 GF30
Net weight of the immersion
heater head
1.28 kg
