15
3.
All connections and the mixer body are water tight.
4.
Exercise the thermostat.
5.
Adjust the temperature of the mixed water in accordance with the instructions
(refer to
Maximum Temperature Setting
). For type 3 valves refer to the table
under Application in TYPE 3 VALVES.
Commissioning Checks
(Temperatures should always be recorded with a thermometer with proven accuracy).
1.
Check inlet pipework temperatures for correct function of checkvalves i.e. that
hot water does not cross flow into the cold supply and vice versa.
2.
Check that the supply pressures are within the range of operating pressures for
the valve.
(a) ensure that the hot and cold water are available at the valve inlets, and the
outlet is open.
(b) move the temperature control rapidly from cold to hot and hot back to cold
several times, pausing at each extreme.
Commissioning - Adjustable Temperature Setting
Figure 2
Note position of brass stop
Stop Lugs
Hub
Screw
Temperature
Knob
Commissioning - Locked Temperature Setting
Figure 3
Screw
Hub
Temperature
Knob
Stop Lugs
Concealing Cap
Concealing Cap
Summary of Contents for 425-t3
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