16
The following cables/leads have yet to be connected to
the Vitosolic 100 or the SDIO/SM1A electronics mod-
ule:
■
Power supply
■
Collector temperature sensor
■
Connection to Vitotronic boiler control units (KM-
BUS) or PlusBus
!
Please note
Routing 230 V cables immediately adjacent to
extra low voltage (ELV) leads may lead to data
being corrupted during transmission.
Route extra low voltage (ELV) leads < 42 V and
cables ≥ 230 V~ separately underneath the
cover of the DHW cylinder.
Vitosolic 100 or SDIO/SM1A electronics module
installation and service instructions
Solar collector installation instructions
Connecting the immersion heater EHE
Immersion heater EHE installation instructions
Connecting the heating water side and solar side
■
Connect all pipework with detachable fittings.
■
Seal connections that are not required with caps.
■
Adjust the high limit safety cut-out so that the DHW
temperature in the DHW cylinder does not exceed
95 °C.
Permissible temperatures
Solar side 160 °C
Heating water side 160 °C
Permissible operating pressure
Solar side 10 bar
(1.0 MPa)
Heating water side 10 bar
(1.0 MPa)
Test pressure
Solar side 16 bar
(1.6 MPa)
Heating water side 16 bar
(1.6 MPa)
Note
Vitosol collectors can be operated with up to 6 bar
(0.6 MPa).
System scheme with solar collectors and boiler
■
Heating of DHW by solar collectors via the lower
internal indirect coil
■
Heat supply for reheating or heating DHW with a
boiler via the upper internal indirect coil
Connecting the solar control unit (cont.)
5838641
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