AHG Solutions Guide_Edition 2.7

Contents
Vacuum Deaerators - Dirt and Air Separation
Installation Examples
Servitec
Air Discharge ≥ 500
LSL
Control
Unit
Reflex Fillset
PIS
TIME
Water
Make-up
Duraflex Vacuum Deaerator in magcontrol mode combined with expansion vessel system
Reflex Fillset
Water
Make-up
Reflex G
Expansion
Vessel
Max. 70 ºC
Discharge
valve
Boiler/Chiller
heating&
cooling source
PIS
Filling - Make-Up,
Pressure-Dependent-
Magcontrol
The pressure is shown in the display
Excess and insufficient pressure
levels are signaled Automatic,
controlled make-up in the event that
the system fails to reach the filling
pressure of 0.2 bar Duraflex Vacuum
Deaerator degassing of the make-up
and filling water.
TIME
Degassing
Vacuum degassing of a part flow
of the circuit water takes place
according to an optimized schedule
using a selectable degassing mode.
• Continuous degassing
(after start-up)
• Interval degassing
(automatically activated after
continuous degassing)
EXPANSION &
DEAERATION
Servitec
Air Discharge
≥ 500
LIS
RG primary vessel
RS control unit
Water Make-up, Level-
Dependent Levelcontrol
LSL
PIS
TIME
Max. 70 ºC
PIS
Solenoid
valve
Compressor
Automatic, controlled water makeup
if the minimum water level is not
reached in the expansion vessel of
the compressor controlled pressure -
maintaining station Duraflex Vacuum
Deaerator degassing of the make-up
water
Control
Unit
Flex duct
LIS
Discharge valve
Duraflex Vacuum Deaerator in levelcontrol mode for systems with compressor controlled pressure maintaining station
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