V/D
S
ERIES
R
EGULAR TESTS AND MAINTENANCE
5-6 Revision: 2.1
5.1.2 Options
Water cooling
The function of the water cooling is described in detail in chapter 3.7,
“Cooling”.
Solenoid valve for cooling water Check function Chapter 3.7
Solenoid valve for support air Check function Chapter 3.7
Sterile air filter Check and replace, if
necessary
Chapter 3.7.2
Pressure reducer for cooling water Check setting and
function
Chapter 3.7.2
Pressure reducer for support air Check setting and
function
Chapter 3.7.1
Tab. 8: Maintenance work for water cooling
Radial fan option
The function of the radial fan is described in detail in chapter 3.6,
“Radial fan”.
Motor Check for quiet running,
check function
Chapter 3.6
Chapter 4.1.6
Fan wheel Check for cleanliness
and free running
Chapter 3.6
Tab. 9: Maintenance work on the radial fan
Spray cooling option
Heat exchanger Check for scaling and
free-flowing, clean if
necessary
Chapter 3.11.2,
“Descaling the pump”
Circulation pump Check function, check
for leaks
Metal hose to the spray nozzle Check for leaks, ageing
and damage
Tab. 10: Maintenance work for spray cooling
Closed cooling circuit option
The function of the closed cooling circuit is described in chapter 3.7.1,
“Closed cooling circuit”.
Heat exchanger Check for scaling and
free-flowing, clean if
necessary
Chapter 3.11.2,
“Descaling the pump”
Circulation pump Check function, check
for leaks
Cooling circuit Check fill level Chapter 3.7.2, “Filling a
closed cooling circuit”
Tab. 11: Maintenance work on the closed cooling circuit
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