User guide

TS 870 TRANSFER SWITCH
PM062 REV 5 08/05/05 16 Thomson Technology
• No moisture or other contamination is present.
• Electrical conductors are adequately secured away from moving parts.
7.3. To maintain operational integrity, ensure that:
• All control devices are in good condition and correctly calibrated.
• All control devices are adequately secured in their plug-in fixtures.
Only qualified personnel should undertake Service work. Failure to correctly maintain an
automatic transfer switch may present a hazard to life and equipment. Full operational
testing must be done prior to placing a transfer switch in service subsequent to any
maintenance or repair. Any service work involving electrical components requires high-
potential testing to ensure that required insulation levels have been maintained.