background image

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 2: ...erature is not more than 45 C Prohibition of outdoor use 1 2 Please ensure that the mains cold water supply is connected to the indicated water inlet connection of the Boiling Water Unit at the base of the solenoid valve and that the unit vent connection always has a free flow of air into and out of the boiling water chamber 1 3 The Boiling Water Unit is a simple tech nologically advanced electron...

Страница 3: ...ine no more than 300 mm from the Boiling Water unit 3 7 DRAIN CONNECTION There is a drain screw located on the under side of the unit to completely drain the tank for servicing Before removing the drain screw ensure the appliance has been switched off and the water is not hot enough to scald CAUTION This unit is not suitable for installation in an area where a water jet could be used This unit mus...

Страница 4: ...water is present 4 3 MODE 3 OPERATION 1 The Element remains energised allowing heating of water to take place resulting in the water attaining set point detected by the Thermistor 2 The Element is then de energised allowing cooling of water to take place 3 Cooling continues to take place through heat loss via the tank insulation until set temperature point minus 2 C is reached detected by the Ther...

Страница 5: ...hermistor 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 p...

Страница 6: ...10 11 7 SPARE PARTS LIST 8 NOTES ...

Страница 7: ......

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