Installation Guide

nVent.com/RAYCHEM
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39
4 Ifafter1,2and3abovethefaulthasnotbeenlocated,theneither:
a) Consult nVent for further assistance.
b) Where local practices and conditions allow (e.g., non hazardous
areas) isolate one section of heating cable from another by cutting
in half and testing (e.g., Insulation Resistance) both halves until
general area of damage is found. Remove insulation and expose fault.
Corrective Actions
1 Restore supply voltage
a following A and B (page 31)
b  re-tighten terminals
NB: If excessive heating has occurred due to high
resistance, replace terminals or crimps
c locate damage and repair
2 Reconnect to normally closed position
3 Locate and remedy by:
a re-tighten
b  repair
NB: If excessive heating has occurred due to high
resistance, replace terminals or crimps
Corrective Actions
1 Remove and replace with dry insulation of correct
specication and ensure complete weatherproong
2 a check with competent authority for design conditions
b  modify to meet nVent
recommendations
3 Repair or reset to correct level of operation
4 Replace