Transport, Set-up, Putting into operation
Betriebsanleitung 07.06.2005 13/43
ba_c500_50s2GB06.fm ega
The appropriate water supply bureau makes the specifications.
If prepared (demineralised) water is used in a circuit, check the pH value
regularly.
If the pH value is in the alkaline range, i.e greater than 7.5, it is necessary
to add citric acid, for example, or elsealuminium hydroxid Al(OH)
3
will
form.
This leads to deposits and, in the worst case, blockage of the water line.
The ideal pH value is between 6 and 7. When installing a return cooling cir-
cuit, please consult MULTIVAC or its representatives.
Cooling water requirements
– For water pressure:
1 bar --> approx. 0.125 l / cycle
2 bar --> approx. 0.175 l / cycle
3 bar --> approx. 0.225 l / cycle
At 2 cycles / min., water consumption is at least 0.25 l / min.
– Recommended water pressure in the supply line:
min. 1,5 bar
max. 6,0 bar
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