INSTALLATION & OPERATION MANUAL
11 | P a g e w w w . n t e n g i n e e r s . i n
This connector is used to interface the OHMIC IHS Box with
the Main THC Unit using the supplied cable.
6. Power Switch
This switch is used to Power On / Off the main THC Unit.
7. DC Supply Port 2Pin (3 PIN)
Middle pin should be left unconnected. Please loop the power
supply given on (1) with this Port.
PLEASE DO NOT CONNECT REVERSE POLARITY TO
AVOID DAMAGE.
8. USB Port
This port is used to update the software of the THC Unit.
9. ARC Voltage INPUT
This port if used to connect the divided and isolated ARC
Voltage with the Voltage Divider Box using the supplied
cable.
10. Ground (Earth)
Please supply ground / earth on this screw. Earth resistance should be ideally be less than <1 Ohm for smooth
and trouble free operation.
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