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Today we will talk about such a trite subject as
cooling satellite receivers in particular Dreambox 7000 S receivers.
There are a lot of ways to make the receiver work in proper way. Most
of our rival firms choose the easiest way of cooling these receivers
- they install only coolers into the receiver. It is the cheapest way
but in has a number of shortcomings: permanent working of coolers leads
to their quick breakdown.
We have created the unique method of cooling “Dreambox
7000 S” receiver. In fact the system with two coolers remains
unchanged but the coolers' control board is added (photo 1).

photo 1
The work of coolers' control board is simple: temperature sensor element
(photo 2) reads the temperature and microcontroller analyses the temperature
level.
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photo 2
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photo 3
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If the temperature level is different from the set by jumpers on coolers'
control board (photo 3) then the first cooler starts operating (photo
4). After the temperature falls inside Dreambox 7000 S the cooler stops
operating. If the temperature continues to rise the second cooler turns
on (photo 5). Both of coolers switch off when temperature takes normal
value.
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photo 4
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photo 5
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Coolers' control board is placed inside "Dreambox 7000 S"
near the power supply. It occupies not very much place as evident from
the fotos (photo 6,7).
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photo 6
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photo 7
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All the connections are made with the standard type
of connectors (photo 8) which let us change coolers in case of their filling
with dust or breakdown.

photo 8
It is necessary to mention that we have installed about
20 such cooler systems and all of them work excellently. The coolers'
control board configuration allows us to keep optimal temperature for
the perfect operating of "Dreambox 7000 S" (even the work
of "Dreambox 7000 S" in closed boxes for tv and radio is possible).
In "stand by" position the coolers don't work but in operating
condition they work for about 4 minutes. This cooling system can be
installed in other receivers.
In conclusion: The system costs 55$.
You can order installation at our company or do it yourself accoding
to the instruction enclosed to the system. It will not take much of
your time and effort. For further information you can give us a call
on the telephone numbers (095) 517 26 82, 247 85 60 or send us a e-mail
message: info@spektr-tv.ru
Copyright: Spektr-tv.ru
Date: 29/10/2004
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