Operation
34 — English
Vacuum spray degassing — 06.07.2016 - Rev. B
8
Operation
8.1
Operating modes
8.1.1
Automatic mode
Upon successful commissioning, you can activate the automatic mode with the degassing functions and, optionally, the automatic
make-up. The device controller monitors the functions. Faults are displayed and evaluated.
For automatic mode, you can set three different degassing programmes in the Customer menu, see chapter 9.5 "Parametrising the
controller in the Customer menu" on page 40 . Relevant information is displayed in the message line of the controller display.
Continuous degassing of the system water
Select this programme after commissioning and repairs of the connected system. The
device will continuously degas for a set period of time. Free and dissolved gases are quickly
removed. Upon request of make-up, make-up degassing is automatically activated for the
set make-up time. In "Magcontrol" mode, the pressure is monitored and displayed.
Start/setting:
– Automatic start after execution of the start routine during commissioning.
– Activated from the Customer menu.
– Degassing time. Can be set in the Customer menu, dependent on the actual system.
The default setting is 24 hours. After expiry of the set time, the device automatically
switches to interval degassing.
Continuous degassing
Interval degassing of the system water
Designed for continuous operation. An interval comprises a number of degassing cycles,
with the number to be set in the Service menu. An idling time follows an interval. The daily
start of the interval degassing can be set to a specific time.
Start/setting:
– Automatic activation upon expiry of continuous degassing.
– Degassing cycles: 8 cycles per interval, to be set in the Service menu.
– Start time interval: To be set in the Service menu.
– Idling time between intervals: To be set in the Service menu.
Servitec
Interval degassing
Degassing the make-up water
Is automatically activated for every make-up during continuous or interval degassing. The
corresponding setting must have been made in the Customer menu.
The 3-ways motor ball valve switches the volume flow from system to make-up water. The
process is the same as in continuous degassing. If the system water is not to be degassed or
if the system is in Summer operation with circulating pumps shut down, you can activate
the make-up degassing in the Customer menu.
Activation/setting:
– Automatic activation for every make-up.
– Activated from the Customer menu.
– Degassing time = Make-up time.
Servitec
Make-up degassing
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