WL500
Manual
Page 62 Revision 4‐10‐2019
Drain the Cold Still Water Tanks and Circuit
7.
Open front Hatch Panel by unscrewing the retaining screw in front of the faucet until it is flush with
the faucet. Slide front Hatch Panel up and out.
8.
Remove the UV light cover plate and access the UV Lamp and quarts sleeve.
WARNING!
ULTRAVIOLET RADIATION
. Protect your skin and eyes against ultraviolet rays.
Never look directly at an operating UV light. Disconnect UV Lamp before removing.
9.
Unplug the UV Lamp and remove UV Lamp.
10.
Remover the UV indicator sensor from the Quartz Sleeve retaining nut.
11.
Unscrew the Quartz Sleeve retaining nut and remove Quartz Sleeve to vent the cold circuit.
12.
Remove the Cold Tank drain line cap and drain the 2 liters into a container.
13.
Remove the pre‐chill drain line cap and drain the 1 liter of water from the pre‐chill chamber and the
booster pump circuit.
14.
A total of 3 liters of cold still water will drain from the unit.
Drain the Sparkling Water Chamber
15.
Dispense all sparkling water out of the Sparkling Chamber through the faucet of the
WL500 Water
Treatment System
into the drip tray (holds 1.5 liters) or other container until only CO
2
gas is
dispensed. The Sparkling Chamber holds a maximum of 1 liter of water.
16.
Release the dispense button and let the booster pump cycle on to inject any remaining water from
the still water feed circuit and pump into the Sparkling Tank for 30 seconds.
17.
Dispense sparkling water to clear any remaining water from the Sparkling Tank through the faucet
until only CO
2
gas is coming out.
18.
Turn off the RED Power switch (
O=OFF).
This will kill power to the pump
ensuring that no water is injected back into the Sparkling Chamber and shut
off the all Solenoid Valves. CO
2
should stop dispensing.
19.
Turn off the CO
2
gas supply at the bottle (screw shut off valve all the way in).
20.
Release gas pressure in the Sparkling Tank by opening (flipping up) the Pressure Relief Valve (PRV)
on top of the Sparkling Chamber to vent the system. May remove top cover to access.
21.
Remember to close the Pressure Relief Valve once all pressure is relieved.
22.
Remove the CO
2
supply line from the unit.
23.
Install dust cap or plug CO
2
gas inlet bulkhead fitting.
GREEN RED
