8
9
(BAR)
(BAR)
0.7
3
3
3
3
3
3
0.7
0.7
0.7
0.7
0.7
4.6. SPECIFICATIONS
5. TEMPERATURE ADJUSTMENT
A trim pot is located at the right rear of the
control box. Access is provided by means
of a 10 mm diameter hole. All Electronic
controllers are factory set to deliver water at
a temperature of approximately 97°C.
To change water temperature to 92°C:
rotate the trim potscrew anti-clockwise.
IMPORTANT
Temperature adjustment should be carried
out by a qualified service person.
97°C
RED
92°C
BLUE
6. BOILING WATER UNIT FAULT FINDING GUIDE
SYMPTOM
POSSIBLE CAUSE
SOLUTION
1. The unit does not fill
with water
There is no power supply.
There is no water supply.
The filter is blocked.
Electronic Controller failure.
Solenoid Valve failure.
Check the electrical supply.
Check the water supply .
Check the filter, clean or replace.
Test the Electronic Controller.
Check resistance of the solenoid,
replace if broken.
2. The unit fills water
to low level and does
not heat
Thermal cut-out tripped.
Heating Element failure.
Electronic Controller failure.
Thermistor failure.
Reset the Thermal cut-out.
If the Heating Element is properly wired,
then check its resistance.
Test the Electronic Controller.
Replace Thermistor.
3. The unit boils
continuously
Temperature is not correctly set.
Electronic Controller failure.
Thermistor failure.
Set the Temperature Adjustment Trim Pot.
Test the Electronic Controller.
Replace Thermistor.
4. The unit overflows
Incoming water pressure is too high.
Solenoid valve failure.
Level probe failure.
Reduce incoming water pressure.
Disassemble the solenoid valve and blow
air through it. If air flows through, replace
the solenoid valve.
Clean the level probe.
Replace the level probe.
5. There is no water from
the tap.
The unit did not fill with enough water.
The tap diaphragm is disconnected from
its spindle.
See 1.& 2. Above.
Drain water out of the unit.
When the unit is empty, disassemble and
repair the tap via cleaning or replacement.
6. No electrical power
to unit.
Power Supply failure.
Will restart automatically when electrical
power is restored.
7. No water to unit
Mains water supply failure.
When water supply restored;
1. Continue to use as normal and the refilling
process will automatically restart.
2. Switch off electrical supply for 30
seconds & switch on again.
Содержание WB-BW-AQ
Страница 1: ...INSTANT BOILING WATER DISPENSER Installation Guide Owner s Manual WB BW AQ ...
Страница 6: ...10 11 7 SPARE PARTS LIST 8 NOTES ...
Страница 7: ......