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C
HECKING
ELECTRICAL
CONNECTIONS
Series 1 Portable Chillers, TIC Control UGH016/0500
3-10
INSTALLATION
Open electrical enclosure.
Connect the power cable
to the main line connection.
Check the short-to-ground with an ohm meter.
Connect the ohm meter to each of the three terminal
screws and to the grounding lug. Test all three for resis-
tance. The minimum resistance to ground should be
1megohm. If it resistance is less that 1 megohm, there is a
leak in the system.
WARNING: Electrical hazard
Before performing any work on this item, dis-
connect and lock out electrical power sources to
prevent injury from unexpected energization or
startup.
1
2
3
Test each for
resistance
Grounding lug
Close the electrical enclosure.
Turn on main power source.
4
5