Bradley TDB3108 Installation Manual download pdf (Page 137)

Terreon® 54" Circular Deep Bowl Washfountain with TouchTime

Control

TDB3108, WF3208 Installation Instructions

Bradley Corporation • 215-1577 Rev A; EN 06-915B20 4/6/2007

Toubleshooting

IMPORTANT: Make sure there is electrical power going to the transformer and there are

24 volts coming from the transformer.

CAUTION: Be sure to turn off electrical and water supplies as instructed during

troubleshooting.

If the TouchTime

push button unit does not function properly

1. Make sure the water supply and the 24 VAC power are both turned on.

If the water supply and the electrical power are both turned on but the push button is still not func-

tioning, check the wiring following the steps outlined in procedure #2 below.

2. Check the wiring following the procedure outlined below:

a. Turn the electrical power off.

b. Check the wiring for loose connections or corrosion and correct if necessary.

c. Turn the electrical power back on and retest the push button.

If, after checking the wiring, the push button is still not functioning properly, test the transformer

following the steps outlined in procedure #3.

3. Test the transformer with a volt meter following the procedure outlined below:

a. Turn the water supply off (the electrical power should remain on).

b. Set the volt meter scale to be able to read “24 VAC”.

c. Connect the volt meter leads from the transformer as shown in Figure 12 on page 18.

d. The voltage reading should indicate 24 VAC ± 10%.

If you are unable to obtain a proper voltage reading, the transformer is not working properly and

needs to be replaced. Contact your Bradley representative to order a replacement transformer.

If the transformer is working properly, turn the water supply back on and test the solenoid following

the steps outlined in procedure #4.

4. Test the solenoid valve following the procedure outlined below (see Figure 12 on page 18):

a. Disconnect the Green/Gray wires from the solenoid.

b. Disconnect the brown transformer leads from the terminal block.

c. Connect the brown transformer leads directly to the solenoid. The solenoid coil should activate

and you should hear a single click and a humming noise.

d. If the solenoid still does not function, turn off the electrical power. Then remove the four screws

that secure the clamping plate to the valve body. Be careful not to lose the armature or spring

(see Figure 14 on page 29).

e. Remove the diaphragm and clean it gently but thoroughly. Hold the diaphragm up to a light and

find the small hole which is located about halfway between the inner diameter and the outer diam-

eter. Make sure the hole in the diaphragm is not plugged.

f. Reassemble the valve in reverse order and test again with power from the transformer.

If the solenoid coil does not activate, the solenoid valve is not working properly and needs to be

replaced. Contact your Bradley representative to order a replacement solenoid valve assembly .

If, after checking the transformer, the solenoid valve and the wiring, you are unable to activate the

sprayhead by pressing the Touch Time push button, the Touch Time switch assembly is not working

properly and needs to be replaced. Contact your Bradley representative to order a replacement

switch assembly.

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Bradley TDB3108 Installation Manual Page 137

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