Multitron - Incubation Shaker
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Page 36 of 146 25 February 2019
4.1.2 External Cooling
Setup and function
If you are planning to connect the equipment to an external cooling
system, a cooling register and a control valve are installed. A con-
trol valve opens when necessary to allow cooling liquid to flow
through the cooling register. Temperatures are measured using the
Pt100 sensor which is installed by default.
Connection conditions
1 Cooling medium inlet
2 Cooling medium outlet
The connections for an external cooling system are on the top of
the equipment. The connections are labelled COOLANT IN (inlet)
and COOLANT OUT (outlet). If several units of equipment with ex-
ternal cooling are stacked, the lines are connected internally and
only the top unit has connections on the top.
The connection pressure at the inlet of the cooling medium may be
up to 4 bar, the outlet should be depressurised. The external diam-
eter of the hose nozzles is 10 mm.
The installed valve regulates the temperature by closing and
opening the cycle. Hence it can be necessary to install a bypass
from the inlet to the outlet to protect the circulation pump against
1
2
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