Download Installation Instructions and User Guide

When the valve has been installed with the correct conditions of use it is advised that th
subjected to exercise prior to the commissioning at the application temperature. Operat
from full cold to full hot at least three times.
1. Record the temperature of the hot The mixed water temperature at the
With the the
valve at the full cold
bringwater
the valve
to the correct application tempera
position
and cold
supplies.
terminal fitting must never exceed
turning the spanner clockwise.
the valve
this temperature,
the valv
2.IfRecord
theovershoots
temperature
of the mixedreturn
maximum temperature setting
for the
cold condition, and reset it to the correct temperature +0-2°C. Do not set a valve on a
provide
water
at the operation.
largest draw-off flow rate.
particular application. Note,temperature
It is not as this will not
consistent
3. Record the temperature of the mixed possible to install one thermostatic mixing
the valve is set to the
for the application
carry out 5 cold w
required
watertemperature
flow at a smaller
draw-off flow
valve to supply two differingWhen
applications
isolation
tests
to further exercise
the valve.
rate,
which shall be measured.
unless the temperature of the
higher
setting
4. Isolate the cold water supply to the is limited to that of the lower application.
Commissioning Test sequence
of the
mixing
monitor the
mixed
After adjust the temperature
mixedvalve
waterand
in accordance
with
the valve applicatio
out water
temperature
recording the • Remove the plastic protective
cap
on top
of the
carry
( see
Table
2) and
the following
sequence:
1. Record the
of the
hot and cold
water supplies.
temperature
maximum
temperature
achieved
and the
the valve with an allen key.
2. Record the temperature of the mixed water at the largest draw-off flow
final stabilised temperature.
3. Record the temperature of the mixed water flow at a smaller draw-off f
shall
5. Record
the equipment, thermometer etc. • using a close fitting
rate, which
be measured.
used for
thetomeasurements.
spanner, reduce
the thecold water
4. Isolate
supply
the mixing valve and monitor the mixed
the maximum
temperature
achieved and t
Note: Therecording
final stabilised
temperature
should
mixed outlet water temperature
temperature.
temperature byfinal stabilised
not exceed
the values in Table 3
5. Record the equipment, thermometer etc. used for the measurements.
turning
clockwise.
Note: The final stabilised temperature should not exceed the values in Table3
Table 3 - Maximum mixed water • increase the mixed
temperatures
Table 3 Maximum mixed water temperatures
water outlet
temperature by
Application
Mixed water temperature °C
turning
Bidet
40
counterclockwise.
Shower
43
Washbasin
43
Bath (44°C fill)
46
When the valve has been installed with the
Bath (46°C fill)
48
correct conditions of use it is advised that
the valve is subjected to exercise prior to the
In Service
Testing
In Service Testing
commissioning at the application
temperature.
Operate the valve from full cold to full hot at
The purpose of in-service testing is to regularly monitor and record the performance of
The purpose of in-service testing is to regularly
least three times.
thermostatic mixing valve. Deterioration in performance can indicate the need for servic
and record the performance of the
work on the valve and/or monitor
water supplies.
thermostatic mixing valve. Deterioration in
With the valve at the full cold position
out the test sequence
detailed above
the same
or equivalent
equipment use
performance
canusing
indicate
the need
for service
bring the valve to the correct Carry
application
commissioning the valve.
work on the valve and/or water supplies.
temperature by turning the spanner clockwise.
If the valve overshoots this temperature,
Carry out the test sequence detailed above
return the valve to the full cold condition, and
using the same or equivalent equipment used
reset it to the correct temperature +0-2°C. Do
for commissioning the valve.
not set a valve on a lowered temperature as
this will not provide consistent operation.
If the mixed water temperature has changed
significantly from the previous test results
When the valve is set to the required
(e.g.>1K), record the change and before
temperature for the application carry out 5
re-adjusting the mixed water temperature carry
cold water isolation tests to further exercise
out the following checks;
the valve.
• All in-line or integral strainers are clean
• Any in-line or integral non-return valves or Commissioning Test sequence
other anti-backsiphonage devices are in
After adjusting the temperature of the mixed
good working order.
water in accordance with the valve application
• Any isolation valves are fully open.
(see Table 2) carry out the following sequence: