0
Start
Measure and record supply
temperatures and pressures. Make sure
that they are within Valve specifications.
Finish
Measure and record blend
temperature
(Tb)
and flow rate.
Check and clean checkvalves,
strainers and outlet.
Measure and record blend
temperature
(Tb)
and flow rate.
Refer to section:
‘Fault
Diagnosis’
.
Carry out the commissioning
procedure.
Has flow rate fallen
significantly or fallen
below minimum flow
specification?
Carry out a performance check. Refer
to the commissioning procedure.
Has the blend
temperature changed
by more than 2°C from
previous recorded
value
(Tb)
?
Has flow rate
improved?
Note!
All measurements and results should be recorded in the Log Book.
Flow Diagram, In-service Test Procedure
Yes
Yes
No
No
No
Yes