Operating instructions

3.3 Controls
3.3.1 Mains power switch
The mains power switch can be toggled between the following
positions:
 In position [I], the device is switched on.
 In position [O], the device is switched off.
The mains power switch can be turned to the following positions:
 In position [I], the device is switched on.
 In position [O], the device is switched off.
3.3.2 Screen buttons
1 Arrow buttons
2 ENTER button
3 Soft keys
Functions on the screen of the device can be controlled using the
screen buttons.
 The UP, DOWN, RIGHT and LEFT arrow buttons can be used
to navigate in the screen.
 A selection in the screen can be confirmed with the ENTER
button.
 You can control can buttons functions shown in the display with
the soft keys.
3.4 Function elements
3.4.1 Hydraulic circuit
The hydraulic circuit designates the circuit through which the heat
transfer liquid flows.
The circuit basically consists of the following components:
 Internal expansion bath with heat transfer liquid
 Immersion pump for conveying the heat transfer liquid to the
external consumer via the pump connections
 Starting with VC 1200 (W), the devices are equipped with an
adjustable bypass to be able to adjust the pump pressure to
the requirements of the external consumer.
 Optional heater for heating the heat transfer liquid
VC 600 to VC 3000 (W)
VC 5000 (W) and higher
Fig. 4: Screen buttons
Design and function
Variocool 17