Kohler 1.1785.002 Installation Manual - Page 34

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Test Procedure

This procedure should be conducted by qualified, competent personnel only.

WARNING, LIVE ELECTRICAL WIRES ARE EXPOSED WHEN THE COVER IS

REMOVED!

1. Turn the temperature control fully anti-clockwise.

2. Start the shower and allow it to run for at least two minutes

3. Stop the shower and isolate the electrical and water supplies.

4. Remove the inlet filter and record the incoming water temperature. The

temperature of the water must be within the range of 5 - 20º C.

5. Clean, or if necessary renew, and refit the inlet filter.

6. Switch on the electrical supply and record the voltage at the terminal block. The

voltage must be in the range 230V ±10%. Isolate the electrical supply.

7. Turn on the water supply and check for leaks. Hold down the air bleed button to

prime the shower (see Installation - Priming the Shower).

8. Remove the showerhead from the hose. Position the end of the hose to allow

water to drain safely while the shower is running, if necessary secure the hose

in this position. Ensure the ribbon cable is connected to the cover.

9. Turn the temperature control fully clockwise.

10. Switch on the electrical supply. Start the shower and allow it to run for at least

10 seconds, then record the supply voltage at the terminal block.

11. Stop the shower and isolate the electrical supply.

12. Refit the showerhead to the hose and reattach to its holder.

13. Switch on the electrical supply to the shower and start the shower.

14. Using a plastic funnel, catch all the water flowing from the showerhead and record

the temperature of the water flowing from the funnel. Using a flow measure cup,

record the rate of water flow from the funnel.

15. Slowly restrict the water supply to the shower by closing the isolating valve

gradually until the shower shuts down.

16. Switch off the electrical supply and open the isolating valve by a small amount.

Hold down the air bleed button to expel all hot water from the tank.

17. Switch on the electrical supply to the shower. Run the shower for at least two

minutes, then record the water temperature and rate of flow as described in step

14. If the shower will not run continuously, return to step 16.

18. When all tests have been performed and recorded, stop the shower. Isolate the

electrical supply and open the isolating valve fully. Ensure the cover is correctly

fitted and secured with screws then set the temperature control to position 5.

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