Revision 1.1
Page 21
Fill the Hot Tank
25.
Press the Hot Button (Button 3), followed by the main dispensing button to fill the hot tank.
Water will dispense from the faucet once the hot tank is full. Flush until water is clear.
WARNING!
HOT CIRCUIT IS NOT SANITIZED. WATER MUST EXCEED 171
o
F
Water in the hot circuit is not sanitary until the temperature over 171
o
F for 5 minutes.
Do Not Ingest and avoid contact until heater is turned on for at least 5 minutes.
UV System Functional Test
WARNING!
ULTRAVIOLET RADIATION.
Protect your skin and eyes against ultraviolet
rays. Never look directly at an operating UV light. Disconnect before removing.
26.
Dim or shield the overhead lights and peer into the machine, on top of the cold tank, at the
UV connector and retaining cap. The blue glow indicates that the lamp is lit.
27.
Find the white wires delivering power to the top of the lamp assembly. Follow the wires
back until the electrical connector is found. Disconnect the electrical connector and verify
that the UV lamp alarm annunciates.
28.
Reconnect the UV lamp wire connector, and cycle the red power switch to clear the alarm.
Compressor Test
29.
Switch on the green power switch (turns on the compressor and heater). Always ensure
tanks are full of water before turning on the heater or the overload (high limit) will open
and require manual reset. Once the compressor starts, the fan condenser also will start.
Verify the fan has started by feeling for the discharge of air at the rear grill of the machine.
Heat exchange is a signal that the refrigeration system is working.
30.
Monitor the cold tank temperature on the front display of the unit by changing the Temp
Display to RANGING. It will take about 45 minutes for the unit to chill down to the default
set point temperature of 41
F assuming ambient inlet water of 75
o
F.
31.
Once the machine reaches its target temperature, the compressor and fan will shut off.
Draw a glass of cold water and verify it is has been chilled to proper temperature.
Heater Test
32.
Always ensure tanks are full of water before turning on the heater or the overload (high
limit) will open and require manual reset. It will take the heater approximately 10 minutes
to heat the water from ambient 75
F to the factory set point of 189
F. You can monitor the
hot tank temperature by selecting the hot button when the Temp Display is RANGING.
Dispense a cup of hot water to ensure the temperature/odor/taste is acceptable.
WARNING!
VERY HOT WATER CAN BURN OR SCALD.
Hot water should be dispensed carefully into insulated container to avoid injury.
Drain the
WL500
for Transport
33.
Drain the
WL500
for transportation per the Draining Instructions in this manual.
WARNING!
STORE UNIT EMPTY
.
ALWAYS SANITIZE BEFORE REUSE.
The unit must be completely drained and sealed before storing to avoid stagnation and
reduce microbiological contamination (potential bacterial growth).
