Installing the function module
■ Inspect for leaks in the fill-tub plumbing
Do not apply additional pressure to the equipment.
● Inspection pressure and time: 43.5 psi (0.30 MPa) for five minutes or longer.
Prohibited
1. Install a valve on one end of the fill-tub plumbing. (Valve open.)
2. Install a booster pump on the other end to feed water into the fill-tub plumbing.
3. Once the air has been removed from the fill-tub plumbing and it has
been filled with water, close the installed valve.
4. Inspect for leaks.
● Use a pressure meter that suits the pressure being checked
when inspecting the pressure.
● Be sure that there are no leaks or pressure drops across the
gauge.
5. If pressure leaks are discovered, run the test again after fixing the
leaky areas.
Fit the hot/cold water pipes with anti-backwash valves and shut-off valves.
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Required
21
CAUTION
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CAUTION
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