Pentair Mi Series Installation, Maintenance And Operation Manual page 41

is below design
Corrective actions
1 Remove wet insulation and replace with dry insulation and
secure it
2 Confirm compliance with system design. (If valve, flange,
and pipe support types and quantities have changed,
additional heating cable may be required.)
3 Reset temperature controller
4 Contact your Pentair Thermal Management representative
to confirm the design and modify as recommended
5 Confirm that sensor is in the correct location
6 Verify temperature of fluid entering pipe
Corrective actions
1 Repair electrical supply lines and equipment
2 Confirm wiring using the normally closed (N.C.) terminals
so that contacts close with falling temperature
3 Check the reason for the limiter trip. Resolve problem and
reset limiter.
4 Repair or replace heating cable
5 Verify installation as per design and replace cable if
necessary
6 Verify voltage and connect to proper voltage if necessary
3 Look for crushed or damaged insulation and cladding
along the pipe
4 If after 1, 2 and 3 above the fault has not been located,
then consult Pentair Thermal Management for further
assistance
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