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APPENDIX B
A.S.4032
COMMISSIONING, MAINTENANCE AND INSTALLATION
INSTRUCTIONS FOR THERMOSTATIC MIXING VALVES
(Normative)
B1 INSTALLATION INSTRUCTIONS The installation instructions packaged with each
thermostatic mixing valve shall include the following:
a) Name and address of the manufacturer
and the relevant agent in he country of intended sale.
b) Full and comprehensive installation
diagrams including the positioning, if necessary of non-integral
line strainers, cross-flow prevention devices (non-return valves)
and isolating valves, and pressure and temperature controls devices.
c) The maximum continuous working and
dynamic pressures, in kilopascals and details for the fitting
of any necessary pressure control device where either of these
pressures could be exceeded.
d) The maximum hot water operating temperature,
in degrees Celsius and details or the fitting of any necessary
temperature control device where the temperature could be exceeded.
e) The minimum hot water operating temperature,
in degrees Celsius. Specify any relationship between the minimum
operating temperature of the hot water and the required temperature
of the mixed water to provide effective and repaid hot water shut-off
of the mixed water upon sudden reduction in pressure or shut-off
of the cold water supply.
f) The minimum and maximum cold water
operating temperatures, in degrees Celsius. Specify and relationship
between the maximum operating temperatures of the cold water and
the required temperature of the mixed water.
g) Full details of requirements for mounting and connecting of the thermostatic mixing valves.
h) The necessary requirement for the
provision of access for adjustment, maintenance, repair and replacement
of the thermostatic mixing valves.
i) Installations are subject to the requirements
of the relevant regulatory authority.
j) Details of any other relevant instructions.
B2 COMMISSIONING INSTRUCTIONS The commissioning instructions shall be available
from the manufacturer or agent for each thermostatic mixing valves
offered for sale and shall include the following:
a) Name and address of the manufacturer and the relevant agent
and source of maintenance instructions.
b) Full directions for the commissioning
and operation of the thermostatic mixing valve.
c) The method for setting the maximum
temperature of the mixed water if the means for this is provided,
and the method for checking the temperature of the mixed water.
d) Procedures for problem solving and
corrective actions.
e) Details of any other relevant instructions.
B3 MAINTENANCE INSTRUCTIONS The maintenance instructions shall be readily
available from the manufacture or agent and shall include the
following:
a) Name and address of the manufacturer
and the relevant agent.
b) Complete written sequential maintenance
details for the referenced thermostatic mixing valves, including
an exploded view with the reference to all parts.
c) Identification of spare parts for
recommended routine servicing.
d) Procedures or problem - solving and
corrective actions.
e) An instruction that the maximum time
interval between routine services is 12 months.
Please see www.standards.com.au to
search the following standards.
Use "Thermostatic Mixing Valves" for keywords.
RULE PL.24-2002
Rulings to plumbing and piping systems Standards. See Thermostatic
Mixing Valves
(Ruling to A.S. 3500.4-1994)
