Installation | 5
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• To reduce the maintenance effort and ensure a long product lifetime we recommend
the following cooling water quality:
Hardness mg/l (ppm) < 90
Properties Clean & clear
PH value 7 ... 8
Particle size µm < 200
Chloride mg/l < 100
Electrical conductivity µS/cm ≤ 100
Free chloride mg/l < 0.3
Materials in contact with the cooling water Stainless steel, copper and cast iron
NOTE
Water hardness unit conversion.
1 mg/l (ppm) = 0.056 °dh (german degree) = 0.07 °e (english degree) = 0.1 °fH (french
degree)
5.3 Filling Oil
WARNING
Fill the machine with wrong oil type.
Risk of fire!
• Only use oil approved by Busch and suitable for oxygen application, see Oil [►31].
At delivery, the machine is already filled with specific oil "Busch YLC 250 B" which is
suitable for oxygen application.
A lead seal is applied on the oil fill plug (OFP) and the oil drain plug (ODP) in order to
prevent wrong material from being filled in.
Lead seal must only be removed and applied by authorised and trained personnel, seek
advice from your Busch representative.
NOTICE
Remove lead seal without Busch approval.
Loss of Busch liability!
• Ask your Busch representative before filling or draining the oil.
NOTICE
Use of an inappropriate oil.
Risk of premature failure!
Loss of efficiency!
• Only use an oil type which has previously been approved and recommended by
Busch.
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