Immersion heater EHE
■ Part no. Z016798:
For installation in the flanged aperture in the upper section of the
Vitocell 100-V, type CVWA with a cylinder capacity of 300 l/390 l
■ Part no. Z016799:
For installation in the connector in the lower section of the
Vitocell 100-V, type CVWA with a cylinder capacity of 500 l
■ Use the immersion heater only with soft to medium hard water with
a calcium hardness up to 14 °dH (hardness level 2, up to
2.5 mol/m
3
).
■ The heating output can be selected: 2, 4 or 6 kW
Components:
■ High limit safety cut-out
■ Temperature controller
■ Flange
■ Flange cover (Vitosilver)
■ Gasket
Note
■ A contactor relay, part no. 7814681, is required for switching the
immersion heater via the heat pump.
■ The immersion heaters are not designed for 230 V~ operation. If
no 400 V connection is available, use commercially available
immersion heaters.
Specification
Output kW 2 4 6
Rated voltage 3/N/PE 400 V/50 Hz
IP rating IP 44
Rated current A 8.7 8.7 8.7
Heat-up time from 10 to 60 °C
– Immersion heater in the bot-
tom section
h 8.5 4.3 2.8
– Immersion heater in the top
section
h 4.0 2.0 1.3
Content that can be heated by
the immersion heater
– Immersion heater in the bot-
tom section
l 294
– Immersion heater in the top
section
l 136
Solar heat exchanger set
Part no. 7186663
For the connection of solar collectors to the Vitocell 100-V,
type CVWA (390 and 500 l capacity)
Suitable for systems to DIN 4753. Total water hardness of up to
20 °dH (3.6 mol/m
3
)
Max. collector surface area that can be connected:
■
11.5 m
2
flat-plate collectors
■
6 m
2
tube collectors
Specification
Permissible temperatures
Solar side 140 °C
Heating water side 110 °C
DHW side
– For boiler operation 95 °C
– For solar operation 60 °C
Permissible operating pressure
Solar side, heating and DHW side
10 bar (1.0 MPa)
Test pressure
Solar side, heating and DHW side
13 bar (1.3 MPa)
Minimum wall clearance
For installation of the solar heat exchanger set
350 mm
Circulation pump
Power supply 230 V/50 Hz
IP rating IP 42
A
Solar heat exchanger set
Installation accessories
(cont.)
VITOCAL
VIESMANN
75
5831388
6
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