17
GB
16
GB
1. Turn the top
1
of the UV unit
2
anticlockwise
1
and carefully
remove
2
(bayonet socket).
2. Carefully unscrew the ring
k
.
3. Pull off the glass tube
h
(It may be relatively difficult to remove
the glass tube due to mineral deposits.)
4. Take out faulty bulb
l
and insert new bulb.
5. Reassemble the UV unit
2
in reverse order.
1. Remove pump from pump housing
(see 7. Mainenance
“Cleaning the pump housing of the pump”
).
2. Turn pump cover
U
anti-clockwise and draw vertically out of
the motor housing
V
(bayonet fitting).
3. Draw rotor unit
W
out of motor housing
V
and clean.
4. Push cleaned rotor unit
W
back into the motor housing
V
.
5. Press pump cover
U
vertically on to the motor housing
V
and
close by turning clockwise.
During this, ensure that the O-ring
X
is installed correctly.
6. Assemble pump in the pump housing.
Fault Possible
Cause
Remedy
v
Add up the estimated length
of the fish. There should
only be “80cm fish” per
m
3
water in the pond.
Too many fish and creatures
in the pond.
v
Check whether UV Multi-
Chamber Filter Set is
sufficient for the pond
(see 1. Range of use of
Your GARDENA UV Multi-
Chamber Filter Set).
Filter or delivery capacity of
the pump not suitable.
The water is not clear
U
W
X
V
Cleaning the pump:
When installing, make sure that the O-ring
ö
fits properly on
the glass tube
h
and that the O-ring
j
is inserted correctly in
the top of the UV unit
1
.
WARNING Short-circuit!
v
The ring
k
must be screwed on firmly again to
guarantee that the glass tube
h
is sealed!
WARNING !
v
Due to the integrated safety switch the lamp
only comes on when the UV unit
2
is properly
installed.
Changing the bulb:
Only bulbs of the type TC-S (UV-C) may be used (e. g. Radium,
Philips or Sylvania). The correct GARDENA UV bulb
(Art. No. 5388 for CF 5000 F / Art. No. 5390 for CF 8000 F)
can be ordered at a dealer or from GARDENA Service.
k
j
1
l
ö
h
Fault Possible
Cause
Remedy
UV pilot light is not on
9. Technical Data
CF 5000 S (Art. 7889)
CF 8000 S (Art. 7890)
Rated power, UV unit
7 W
11 W
Power cable, UV unit
3m; H05RN-F3G0,75
3m; H05RN-F3G0,75
Bulb, UV unit
type 7 W TC-S (UV-C)
type 11 W TC-S (UV-C)
Rated power, pump
25 W
40 W
Power cable, pump
10m H05RN-F3G0,75
10m H05RN-F3G0,75
Max. delivery capacity, pump
1,500 l/h
2,500 l/h
Max. delivery head, pump
1.9m
2.2m
Max. operating pressure
0.19 bar
0.22 bar
Mains voltage /
mains frequency
230 V / 50 Hz
230 V / 50 Hz
Max. immersion depth
2m
2m
Water discharge
DN 50
DN 50
Connecting hose
3m
3m
Media temperature
4 °C – 35 °C
4 °C – 35 °C
For any other malfunctions please contact the GARDENA service department.
Repairs must only be carried out by GARDENA service departments or specialist
dealers authorised by GARDENA.
v
Mount UV bulb completely.
UV bulb is not mounted
completely.
v
Check electrical
connections.
Electrical connections
defective.
v
Change bulb.
Bulb defective.
v
Clean pump.
Rotor unit is blocked.
v
Clean pump filter housing.
Pump filter housing is dirty.
v
Clean UV device.
UV device is dirty.
v
Clean filter
(see 7.Maintenance).
The filter sponges are dirty.
The flow is reduced
v
Clean UV unit
(see 7. Maintenance).
The glass tube of the UV unit
is dirty.
The water is not clear
