Maintenance And Care - AL-KO HW 4500 FCS COMFORT Betriebsanleitung

en
1. Open the filling screw (Fig. A -3) with the filter
key (Fig. C -19/A).
2. Fill with water via the filling screw until the
pump housing (Fig. A -2) is full.
3. Screw the filling screw in.
Switching the pump on
1. Open one of the closing off devices (e.g. water
cock) in the pressure line.
2. Insert the mains plug on the connection cable
into the plug socket.
The pumps starts to feed.
3. When no more air comes out with the water,
close the closing off device in the pressure
line.
The pump switches off automatically af-
ter the switch-off pressure has been
reached. The house water system is re-
ady for operation.
The LED displays are off.
If water is being fed, just the LED display
PUMP ON lights up.
Initial commissioning
In the initial commissioning, the LED displays
PUMP ON and the LED display FLOW CONTROL
flashes.
If no water is being drawn up via the suc-
tion line after approx. 90 seconds, the dry
running protection system switches the
pump off and the LED display ALARM
lights up. Check for leaks in the suction
line, the filter glass and all screwed fit-
tings, push the RESET button and re-
peat the initial commissioning process.
Switch the pump off
1. Remove the mains plug from the socket
2. Close one of the closing off devices (valve,
spray nozzle, water cock) in the pressure line
(Fig. B -10).
CAUTION!
Danger of injury from hot water
In extended use against the closed pres-
sure side (>10 min.), the water in the
pump can be severely heated up and can
be emitted in an uncontrolled manner!
Isolate the unit from the mains and allow
the pump and water to cool down. Start
the unit again only after all the faults have
been rectified!
16
The risk of injury from hot water can arise if:
the installation is not correct
the pressure side is closed off
there is a lack of water in the suction line, or if
the pressure switch is defective.
Procedure
1. Isolate the unit from the mains and allow the
pump and water to cool down.
2. Check the unit, the installation and water le-
vel.
3. Start the unit again only after all the faults
have been rectified!

MAINTENANCE AND CARE

Check the air pressure in the storage vessel
CAUTION!
Check the air pressure in the storage
vessel at regular intervals. It must not ex-
ceed 1.5 bar (see Section "Commissio-
ning: Checking the Air Pressure in the
Storage Vessel").
Cleaning the pump
After conveying swimming pool water
containing chlorine or fluids that leave a
residue, the pump must be flushed out
with clear water.
1. Isolate the unit from the mains and secure
against switching on again.
The pump stops automatically.
2. Flush the pump out with clear water.
3. Insert the mains plug into the plug socket.
4. Switch the house water system on with the
on /off switch (Fig. A -6).
The pump starts automatically.
Cleaning the filter
1. Unscrew the drain screw filter chamber (Fig.
A -10) of the draining opening, drain the fil-
ter chamber and close the draining opening
again.
2. Unscrew the clear filter cover (Fig. A -1) using
the filter key (Fig. C -19/D) .
3. Remove the filter (Fig. C -21) from the filter
housing (Fig. A -2) and clean under flowing
water.
4. Cleaning the filter housing and clear sight filter
cover.
Startup
HW 4000-4500 FCS