Hydraulics; Reduced Water Inlet Pressure - Fresenius Medical Care 4008 E Technical Manual

3.3

Hydraulics

3.3.1

Reduced water inlet pressure

Measuring equipment:
Place of measurement:
Condition:
Check/adjustment:
– Check the reduced water inlet pressure
Connect the measuring equipment to measurement port A.
Measure the water pressure with MV 41 closed.
Rated value of water inlet pressure: 0.90 to 1.40 bar
If it deviates from the rated value, the water inlet pressure must be adjusted.
– Adjust the reduced water inlet pressure
Pull back the knurled nut on the pressure reducing valve (16).
Turn the knurled nut to set the water pressure to the desired value (clockwise: +, counter-
clockwise: –).
Push the knurled nut back in.
Note
Measuring equipment for measurement points in hydraulic unit:
UMED, HMED, scales or pressure gauge with a measuring range of
–1 to +2.2 bar, min. quality class 1.6.
UMED, HMED or pressure gauge
Hydraulics, measurement port A
Flow on
Fresenius Medical Care 4008 4/08.03 (TM)
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