4.
Check the diaphragm for damage
5.
Clean the housing inner, especially the throttling port and the small
pre-spill port in the valve outlet
14.4 Remove the flow meter (turboDOS) and test
CAUTION!
Possibility of incorrect system operation
–
When handling the flow meter always be aware of the
cable
–
When refitting the flow meter, note the flow arrow on the
housing
1.
S Start the system with the
[F1]
key
[Stop]
mode.
2.
Close the stopcock in the water supply line
3.
To remove the flow meter, undo the corresponding threaded con‐
nector in the water piping
4.
Check the turbine wheel within the flow meter to ensure it rotates
freely and clean as necessary
5.
Fit the flow meter with the correct alignment in the water supply line
(flow arrow)
14.5 Removing the cover of an inspection opening
CAUTION!
Propellers are rotating in the storage tanks!
Slight or minor injuries.
Switch off the system and only then remove the screwed
cover of an inspection opening.
As a matter of principle, the system must only be operated
with the covers of the inspection openings tightly screwed in
place. The covers may only be removed temporarily:
–
To check the liquid level
–
To check the liquid level sensors for correct switching
operation
–
After the inspection work, replace all covers and
secure
14.6 Cleaning the surface of the storage tank
From time to time clean the surface of the storage tank, as with time, a
slippery film can form on it. Always observe the instructions on the safety
data sheet for the polymer used.
Maintenance
71
