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Caution!
Only open the CO 2 gas cylinder a quarter of a turn
(opening the valve completely has no infl uence on
the amount of CO 2 in the water).
Connect the CO 2 gas cylinder as shown in Fig. 8.
1 CO 2 connection (CO 2 INLET)
2 Hose
3 Hand wheel for regulating the pressure
4 CO 2 gas cylinder
4
3
2
1
Fig. 8: Connecting the CO 2 gas cylinder
Note!
The CO 2 pressure should be set to approx. 1 bar
above the water pressure of approx. 2 bar, i.e.,
approx. 3 bar.
Replacing
Checking:
Check the CO 2 pressure at the pressure reducer. If
the current pressure gauge pointer has fallen below
1 bar, the pressure will no longer be suffi cient for
the optimum preparation of the CO 2 water. Please
change the CO 2 cylinder.
Removing:
•
Disconnect the power supply of the device.
•
Close the hand wheel on the CO 2 gas cylinder
by turning it clockwise.
•
Slowly open the screw connection on the pres-
sure reducer and relieve any residual pressure.
•
Then release the gas cylinder from its holder.
Preparing:
•
Remove the thread protector from the new gas
cylinder.
•
Open the cylinder valve briefl y to remove any
dirt from the cylinder outlet valve.
23
Caution!
The cylinder is under pressure, open the valve only
slightly and do not direct it at people!
Connecting:
•
Screw the pressure reducer onto the cylinder
valve thread.
•
If necessary, secure the cylinder in the holder
again.
•
Once the gas cylinder has been connected,
connect the device to the mains power supply.
•
Check the CO 2 pressure, this should be about
3 bar.
5.6 Setting the cooling temperature (CAS)
The thermostat (for setting the cooling temperature)
is located on the left-hand side under the cover. Set
the thermostat to the desired temperature.
5.7 Leakage protection
A leakage sensor is located inside the water
dispenser at the bottom of the front panel. When
this detects water, the LED at the dispensing point
fl ashes (Fig. 1) and an acoustic signal sounds. If the
device is equipped with a wastewater tank, make
sure that it is empty. If the light is still fl ashing, the
leak sensor is still detecting water in the device.
Disconnect the water dispenser from the power
supply and contact a service technician.
6. Maintenance and hygiene
AQA drink Pro 20 water dispensers are technical
devices which provide consumers with hygienically
processed drinking water. In order to guarantee
optimum operation as well as the best possible
water quality. Correct, regular and professional
maintenance is necessary in order to guarantee
optimum operation as well as the best possible
water quality.
Note!
In the event of a defect, the water dispenser auto-
matically emits audible and visual signals.
6.1 Maintenance interval
The maintenance interval is dependent on the
amount/quality of water drawn (pay attention to
the fi lter capacity) and the ambient conditions. We
recommend having the water dispenser cleaned
and disinfected and the water fi lter replaced by
qualifi ed personnel at least every six months. It is
also recommended that the UV lamp used should
be replaced every six months. However, this de-
pends on the switching cycles and the number of
times water is dispensed.
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