Hard-Water Treatment; Preparations For Commissioning - Kärcher HD 4000 C Operating Instructions Manual

HD 4000 C / HD 6000 C
AUTHORISED PROFESSIONAL PERSONNEL ONLY

4. Hard-water Treatment

Excessive water hardness (>15° dH) can
lead to deposits and result in malfunctions.
Contact the manufacturer in the event of
unusually high degrees of water hardness.

5. Preparations for Commissioning

Thoroughly rinse entire HD system
(HD 4000/6000 C also). Check entire HD
system for correct assembly and lack of
leaks.
Complete electrical connections in
accordance with the Specifications
contained in the Operating Instructions.
Check the function of decalcifying
component (if required).
Check water supply for required delivery
volume and maximum allowable
temperature.
Check cold-water cooling circulation:
Verify cooling water volume (refer to
Specifications) and connection data.
Adjusting cooling water volume
on pressure regulator.
Locking screw
AUTHORISED PROFESSIONAL PERSONNEL ONLY
5.956-648 A10369 (06/98)
G. System Installation
Threaded
plug
Install float reservoir overflow line
Check pump oil level. Remove threaded
plug from oil reservoir.
English
G2