Bosch MS 200 Notice D'installation page 31

Collector cooling function
The collector cooling function is a Delta T control system. If the
temperatures at the collector temperature sensor are too high, the
collector should be cooled to prevent overheating. The heat in the
collector is transferred to the emergency cooling device via a pump. The
hydraulic circuit is comparable to function C. It is not possible to cool two
collector arrays.
If a fault develops in the collector temperature sensor, the collector
cooling function is not executed.
The function is only enabled in the menu if the corresponding terminals
are free.
Connection options for pump (PS10) for the cooling function:
▶ If only MS 200 is installed, on the MS 200 connect PS4 to the
terminals ( Fig. 38 at the and of the document).
-or-
▶ If MS 200 and MS 100 are installed, on the MS 100 connect PS3 to
the terminals (without Fig.).
Transfer and primary store systems
You will find the required connections and the corresponding hydraulics
diagrams for these examples at the end of the document.
The assignment of the connection diagram to the transfer and primary
store systems can be made easier by answering the following questions:
• Which system is installed?
• Which functions (shown in black) are available?
• Are additional functions
transfer/primary store systems can be expanded with the additional
functions (shown in grey).
A description of the transfer and primary store systems and functions
can be found in the chapter towards the beginning of this document.
Attachment
3 A –
4 – –
– – –
Table 8 Examples of frequently implemented systems
(note limitations in combination with the control unit of a heat
pump (HPC 400/HPC 400/HPC 410/HMC300/HMC310))
Transfer or primary store system 3/4
Transfer or primary store system 5
Transfer or primary store function
Additional function (shown in grey)
A Thermal disinfection
MS 200 – 6721819173 (2020/02)
available? The currently selected
MS 200 MS 100 Connection
diagram at
the end of
document
  3A
– –
  4
– –
  5
5 –
the
Installation
31