Installation Manual User guide
10
2.2 Insulation Test
Measure EFMA’s insulation resistance at each step using a megohmeter (Fig.
2.2) and record readings on the measures’table (this label is available at the
opening of the product).
IMPORTANT!
For the warranty to be valid, ll out the measures’ table and ensure that the
10 readings have been correctly noted.
A qualied electrician must measure the system’s insulation resistance as follows:
• Use a calibrated megohmeter only;
• Measure insulation resistance at the free end of the cold lead, between the phase
conductor and ground;
cold lead
Fig. 2.2
CAUTION! Dangerous Test
• Write the reading in the measures’table;
• is reading must be over 1,000,000ohms;
• If the reading is under 1,000,000ohms, stop work and contact REZNOR’s technical
specialists at 1800695-1901.