Viessmann VITOCELL 100-B, Technical Manual

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6.5 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
Immersion temperature sensor
Part no. 7438 702
To capture a temperature in a sensor well
Specification
Lead length 5.8 m, fully wired
IP rating IP 32 to EN 60529; ensure through de-
sign/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
Immersion temperature sensor
Part no. 7426 247
For installation in the DHW cylinder, heating water buffer cylinder,
combi cylinder
Solar control units
(cont.)
36
VIESMANN
VITOSOL
6
5822 440 GB