rada 425-t3 Product Manual page 36

8. Adjust the temperature of the mixed water in accordance with the instructions
in this manual and the requirement of the application and then carry out the
following sequence:
(a) record the temperature, and pressures if possible, of the hot and cold water
supplies.
(b) record the temperature and flow rate of the mixed water at the largest draw-off
flow rate.
(c) record the temperature and flow rate of the mixed water at a smaller draw-off
flow rate.
(d) isolate the cold water supply to the mixing valve and monitor the mixed water
temperature.
(e) record the maximum temperature achieved as a result of (d) and the final
temperature.
Note! The final mixed water temperature should not exceed the values shown in
Table 1 below. Any higher temperatures should only occur briefly.
(f) record the date, equipment, thermometer etc. used for the measurements.
Application
Bidet
Shower
Washbasin
Bath (44°C fill)
Bath (46°C fill)
Guide to Maximum Continuous Temperatures During Site Tests
Maintenance
Planned maintenance for Type 3 valves must use the In-service test, at the frequency
given in the Guide to In-service test frequency and should employ Temperature Testing,
Performance Log books and Training as detailed on pages 31 -34.
Mixed Water Temperature °C
Table 2
36
40
43
43
46
48