41
6
OPERATION
Before filling the heating circuit filling station with softened/desalinated water for the
first time, the heating system must be bled. To start filling the system, completely open
the upstream and downstream shut-off valves. Once the system is filled or has been
topped up, close the upstream and downstream shut-off valves again.
6.1
FUNCTION DESCRIPTION
The heating circuit filling station is used for filling and topping up hot-water heating systems with softened
or desalinated water.
The heating circuit filling station is operated with resin bottles that are filled with high-quality
mixed-bed
exchange resin
(for desalination) or
cation exchange resin
(for softening).
The chapter 4.1 “INTENDED USE” must be observed without fail!
Fig. 3: Function description
Downstream ball
valve
Connection thread
for resin bottles
Sampling valve
Display and
keypad
Upstream
digital
water meter
Union nut
Insulation shell
Power supply unit
Insulation
shell
Bleeding hose
Direction of
flow arrows