10.5 Accessories
Allocation to solar control units
Solar control
module
Vitosolic
Part no.
100
200
Contactor relay
7814 681
—
x
x
Immersion temperature sensor
7438 702
x
—
—
Immersion temperature sensor
7426 247
—
x
x
Collector temperature sensor
7831 913
—
—
x
Stainless steel sensor well
7819 693
x
x
x
Heat meter
—
– Heat meter 06
7418 206
—
—
x
– Heat meter 15
7418 207
—
—
x
– Heat meter 25
7418 208
—
—
x
– Heat meter 35
7418 209
—
—
x
– Heat meter 60
7418 210
—
—
x
Solar cell
7408 877
—
—
x
Large display
7438 325
—
—
x
High limit safety cut-out
Z001 889
x
x
x
Temperature controller as temperature limiter (maximum limit)
Z001 887
—
—
x
Temperature controller
7151 989
x
x
x
Temperature controller
7151 988
x
x
x
Contactor relay
Part no. 7814 681
■ Contactor in small enclosure
■ With 4 N/C and 4 N/O contacts
■ With terminal strips for earth conductors
95
145
180
Specification
Coil voltage
230 V~/50 Hz
Rated current (I
th
)
AC1 16 A
AC3 9 A
Immersion temperature sensor
Part no. 7438 702
To capture the temperature in a sensor well.
Specification
Cable length
5.8 m, fully wired
IP rating
IP 32 to EN 60529; ensure
through design/installation
Sensor type
Viessmann NTC 10 kΩ, at
25 °C
Permissible ambient temperature
– Operation
0 to +90 °C
– Storage and transport
−20 to +70 °C
■ For DHW circulation diversion in systems with 2 DHW cylinders.
■ For return changeover between the boiler and the heating water
buffer cylinder.
■ For heating additional consumers.
Solar control units
(cont.)
52
VIESMANN
VITOSOL
10
5822 440 GB