Mira SELECT - Maintenance Flow Diagram; In-service Test Procedure

34
Flow diagram
In-service Test Procedure
Note! All measurements and results should be recorded in the Log Book.
Start
Measure and record supply temperatures and
pressures, making sure that they are within
the valve specifi cation.
Measure and record blend temperature
(Tb)
and fl ow rate.
Has
fl ow rate fallen
signifi cantly or fallen below
minimum fl ow
specifi cation?
Yes
Yes
No
No
Has
fl ow rate improved?
Check and clean checkvalves,
strainers and outlets.
Measure and record blend
temperature
(Tb)
and fl ow rate.
Yes
No
Has
blend temperature
changed by more than
2 °C from previous
recorded value
(Tb)
?
Carry out a Performance Check.
Refer to the Commissioning Procedure.
Finish
Refer to Fault Diagnosis
Carry out the
Commissioning Procedure.