4.2 Assembly instructions
1.
Thoroughly flush pipework
2.
Install rotatable connector piece
• Note flow direction
• Install without tension or bending stresses
CAUTION!
When connecting to an existing flange of another
make ensure that the inlet flow is through the outer
ring of holes. If this is not so, the whole connection
piece must be installed the other way round, even if
the arrow does not then indicate the actual flow
direction.
3.
Install filter with sealing to rotatable connector
4.
Tighten the connecting nuts (7Nm)
5.
Screw in discharge connection
4.3 Discharge of reverse rinsing water
The reverse rinsing water must be routed to the drain channel
in such a way that no backwater can occur.
To do this there are 3 options:
•
Direct connection:
• Connector DN 50/70 as well as the necessary
pipes and siphon (3 elbows 90°) in DN 70.
•
Discharge into floor drain
•
Drain into open container.
Filter size
Reverse rinsing volume*
1/2" and 3/4"
12 litres
1" and 1 1/4"
15 litres
1 1/2" and 2"
18 litres
*at 4 bar inlet pressure and 3 x 3 seconds
reverse rinsing duration
5
Start-up
5.1 Setting outlet pressure (FK74CS/
FKN74CS only)
Set outlet pressure min. 1 bar under inlet pressure.
1.
Close shut-off valve on inlet
2.
Close shut-off valve on outlet
3.
Release pressure on outlet side (e.g. through water
tap)
1
Connection sizes
/
" - 1
2
Slacken tension in compression spring
3.1)Lift adjustment handle
3.2)Turn adjustment handle counter clockwise (-) until
it does not move any more
1
Connection sizes 1
/
2
Slacken tension in compression spring
4.1)Loosen slotted screw
Do not remove slotted screw
4.2)Turn adjustment handle counter clockwise (-) until
it does not move any more
1
/
"
4
" - 2"
GB
5.
Slowly open shut-off valve on inlet
6.
Turn adjuster knob until the manometer shows the
desired value
• Turn clockwise = increase pressure on outlet side
• Turn counter-clockwise = reduce pressure on
outlet side
Connection sizes
7.1)Push the adjuster knob down and latch it in to
activate the locking mechanism
Connection sizes 1
7.2)Fasten the slotted screw to lock the mechanism
8.
Slowly open shut-off valve on outlet
5.2 Reverse rinsing
CAUTION!
Interval:
at least every 6 month (acc. to EN 806-5)
every 2 months (manufacturer's recommendation)
resp. depending on the degree of dirt in the water.
During reverse rinsing, an inlet pressure of at least
1.5 bar is required.
To ensure convenient and regular adherence to the reverse
rinsing interval, we recommend installing an automated
reverse rinsing system.
(Connection sizes:
1
1
/
" - 1
/
" Z74A
2
4
1
1
/
" - 2"
Z11S-A (see accessories).
2
CAUTION!
Filtered water can also be tapped during reverse
rinsing.
If reverse rinsing water is not to be discharged via a direct
connection, a collecting container must be positioned
beneath before reverse rinsing.
1.
Open ball valve by turning the reverse rinsing handle
to the stop
• Handle must be upright
• The patented reverse rinsing system starts
2.
Close ball valve again after approx. 3 seconds.
Repeat procedure three times
• If the filter is extremely dirty, the procedure may
have to be repeated additional times
With aid of the memory ring, the next deadline for
manual reverse rinsing can be booked.
6
Maintenance
In order to comply with EN 806-5, water fixtures must
be inspected and serviced on an annual basis.
As all maintenance work must be carried out by an
installation company, it is recommended that a
servicing contract should be taken out.
6
1
1
/
" - 1
/
"
2
4
1
/
" - 2"
2
MU0H-1186 GE23 R1019