Elmo Rietschle S-VSI 300(44) - Manual (Page 16)

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Set up and operation
U
3
U
5
U
6
U
7
U
2
U
4
U
1
D
C
4.4 Cooling the pump
4.4.1 Continuous flow cooling (Optional)
Fig. 6 Control unit (optional)
Control unit (optional)
Analyzes the signals of the monitoring devices and
controls the motor as well as the solenoid valve.
4.4.2 Control unit (optional)
Fig. 5 Closed circuit water cooling (optional)
C Cooling water inlet G ½"
D Cooling water outlet G ½"
U
1
Vent valve
U
2
Temperature control
U
3
Safety valve
U
4
Liquid level monitor
U
5
Solenoid valve
U
6
Y-strainer
U
7
Thermostatic water valve (optional)
Temperature control
Monitors the temperature of the cooling water.
Factory-provided adjustment: T
max
= 140 °F
Safety valve
Protect from an incorrect operating pressure of the
cooling water > 87 psi.
Solenoid valve
Regulate the cooling circuit.
Control voltage: 24 V DC
Y-strainer
Protect the armatures and the cooling circuit from
impurities in the incoming cooling liquid.
Thermostatic water valve (option)
Fresh water cooling control
Factory-provided adjustment: T
max
= 130 °F
The Operating Instructions for the monitoring
device are enclosed next to the pump.
Cooling water flows continuously through the cavity
in the double walled compressor housing.
For safety reasons the cooling system is fitted with
a solenoid valve, temperature control and a safety
valve (optional).
A special control unit and a thermostatic water valve
are obtainable (optional).