Operation
Vacuum spray degassing
—
18.12.2019
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Rev. A
English
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15
Recommended maintenance message.
Next maintenance
Off:
Without maintenance recommendation.
001
–
060:
Maintenance recommendation in
months.
For the output of messages to the floating contact,
see chapter 8.2.4 "Messages" on page 17 .
Floating fault contact
yes:
Output of all messages.
no:
Output of all messages identified
with "xxx" ("01", for example).
Switch to the Change Rem. Data menu option or
switch to the next menu option.
Change Rem. data
(015)
Switch to the fault memory or into the next main
menu option.
Fault memory
The last 20 alarms are stored with fault type, date,
time, and fault code.
See the chapter "Messages" for more information
about the ER... messages.
ER 01…xx
Switch to the parameter memory or into the next
main menu option.
Parameter memory
The last 10 entries of the minimum working
pressure are stored with date and time.
P0 = xx.x bar
Position of the "CD" motorized ball valve at the
pressure side of the pump to
the controller of the degassing process.
Pos. motorized ball
valve
Information about the software version.
Servitec 35-95
7.9
St arting Automatic mode
Automatic mode can be started as soon as the system is filled with water and the
gases contained have been vented.
•
Press "Auto" on the controller's operator panel.
During commissioning, continuous degassing is automatically activated to
remove any residual free or dissolved gases from the system. This time can be set
in the Customer menu as required by the system conditions. The default setting
is 24 hours. Subsequent to the continuous degassing, the device automatically
switches to interval degassing.
Note!
The commissioning process is now concluded.
Notice!
The "ST" dirt trap in the "DC" degassing line must be cleaned after the
expiry of the continuous degassing time at the latest, see chapter 9.2
"Cleaning the dirt trap" on page 19 .
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 Servitec
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 8.2.1 "Customer menu" on page 16 . 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.
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 2-way motorized 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 If
the, 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.
Make-up degassing
Содержание Servitec 35
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