Elmo Rietschle S-VSI 300(42) - Manual (Page 16)

16 | www.gd-elmorietschle.com © Gardner Denver Schopfheim GmbH, Gardner Denver Deutschland GmbH
Set up and operation
U
3
U
5
U
6
U
7
U
2
U
4
U
1
D
C
4.4 Cooling the machine
4.4.1 Continuous fl ow cooling (Standard version)
Fig. 6 Control unit (option)
Control unit (option)
Analyse the signals of the monitoring devices and
control motor as well as solenoid valve.
4.4.2 Control unit (option)
ig. 5 Closed circuit water cooling
C Cooling water inlet G 1 /
2
D Cooling water outlet G 1 /
2
U
1
Vent valve
U
2
Temperature control
U
3
Safety valve
U
4
Liquid level monitor
U
5
Solenoid valve
U
6
Dirt trap
U
7
Thermostatisches Wasserventil (optional)
Temperature control
Monitors the temperature of the cooling water.
Factory-provided adjustment: T
max
= 60 °C
Safety valve
Protect from an incorrect operating pressure of the
cooling water > 6 bar.
Solenoid valve
Regulate the cooling circuit.
Control voltage: 24 V DC
Dirt trap
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
= 55 °C
The Operating Instructions for the monitoring
device are enclosed next to the machine.
With continuous fl ow cooling water fl ows continu-
ously through the cavity in the double walled com-
pressor housing.
For safety reasons the cooling system is fi tted with
a solenoid valve, temperature control and a safety
valve.
A special control unit and a thermostatic water valve
are obtainable.