ASME A112.4.2-2015 pdf – Personal hygiene devices for water closets.
When used, atmospheric vacuum breakers shall
(a) comply with Clause 5.5.1; and (b) be installed with the
(i) critical level located not less than 25 mm (1 in) above the flood level rim; or
(ii) lowest point located not less than 25 mm (1 in) above th. flood level rim, when the critical level is not marked.
4.3 Electrical components
Personal hygiene devices with electrical features or components shall comply with UL 1431, CSA C22.2
No. 68, or CSA C22.2 No. 64
4.4 Plastic toilet seats
Plastic toilet seats shall comply with IAPMO/ANSI Zi 24.5.
4.5 Bidet sprayers
Bidet sprayers shall be
(a) Fully retractable and not subject to contamination in the retracted position, (i.e., be completely removed from the liquid and solid waste path);
(b) self-cleaning, (i.e., have a means to rinse the bidet sprayer with water); and
(c) concealed when not in use to prevent soiling by the user.
4.6 Source of water
The water from the water closet tank shall not be used as a source of water for the bidet sprayer.
4.7 AutomatIc seat cover dispensers
Automatic seat cover dispensers shall be life cycle tested in accordance with Clause 5.6.
4K Temperature safety device
Personal hygiene devlce% shall be equipped with a safety device to shut off the flow of water when the temperature reaches 48 °C (118°F).
5 Performance requirements and test procedures
5.1 Order of tests
The tests shall be conducted in tne order in wtiich they appear in this Standard.
5.2 Bidet spray pressure tests
5.2.1 Flowing pressure test Test procedure
The (lowing pressure test shall be conducted as follows:
(a) Connect the specimen to a water supply.
(b) Increase the flowing pressure to 864) kPa (125 psi), measured at the specimen mId
(c) Allow the water flow through the specimen for S mm.
(d) Inspect for leakage and structural damage. Perforniancc requirements
There shall be no leakage. Flow from the bidet sprayer shall be as intended by the manufacturer.
5.4.2 Performance requirements
At the end of the life cycle test, the specimen shall continue to function at the operating pressure as it did before the test. In addition, there shall be no leakage, and the (low from the bidet sprayer shall be as intended by the manufacturer.
5.5 Atniospheric vacuuni breaker test
5.5.1 Test procedure
Vacuum breakers shall be tested for back siphonage in accordance with ASSE 1001 or CSA 664.1.1.
5.5.2 Performance requirements
Water in the sight tube shall not rise more than 1 3 mm (0.5 in).
5.6 Seat cover dispenser test
5.6.1 Test procedure
rhe seat cover dispenser shall be operated for 5,000 cycles. Each cycle shall consist of dispensing one seat cover.
5.6.2 Performance requirements
Failure to dispense the seat cover in 100 u more of the 5,000 cycles shall be cause for rejection.
Continuous feed dispensers shall render previously dispensed seat covers unusable.
5.7 Bidet sprayer self-cleaning test
5.7.1 Test procedure
The self-cleaning test shall be conducted as follows:
(a) Operate the bidet sprayer enough cycles to ensure that it Is purged of air and filled with water at normal operating pressure and temperature.
(b) Extend the bidet sprayer and dry it thoroughly.
(C) Use a water-soluble marker of a contrasting colour to draw lines on the bidet sprayer as follows:
(i) Draw three rings around the bidet sprayer, one in the upper third of its length, one in the middle third, and one in the lower third.
(ii) Draw a fourth line longitudinally, along the top of the bidet sprayer from one end to the other.
(d) Release the bidet sprayer and allow it to retract into its off position.
(e) The bidet sprayer self-cleaning function shall be actuated two times,
(f) Inspect and record any lines remaining.
5.7.2 Performance requirements
All of the four lines shall be washed off the bidet sprayer. Any ink lines remaining on the bidet sprayer, shall be considered a failure,
6 Markings and packaging
Personal hygiene devices complying with this Standard shall be marked with the manufacturer’s name or trademark and the model number. Mtemativel the model number may be marked on the packaging.
Markings shall be permanent, legible, and visible after installation.