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DDS 86/88/96/9800 DIMMER PACKS
Software Revision 1.41, Version C UL, Mfg Q3/96, and above
INPUT POWER WIRING
The NSI DDS rack dimmers must be provided with a proper electrical service as listed below:
*8600 : 120/240 VAC 20 amp 3 pole 4 wire plus ground (use minimum #10 AWG) or
120/240 VAC 30 amp 2 pole 3 wire plus ground (use minimum #8 AWG).
8800 : 120/240 VAC 40 amp 2 pole 3 wire plus ground only (use minimum #6 AWG).
*9600 : 120/240 VAC 40 amp 3 pole 4 wire plus ground (use minimum #4 AWG) or
120/240 VAC 60 amp 2 pole 3 wire plus ground (use minimum #4 AWG).
9800 : 120/240 VAC 80 amp 2 pole 3 wire plus ground only (use minimum #2 AWG).
* Unit set up for 3 pole 4 wire - for 2 pole 3 wire operation see Service Manual.
Input wiring must be copper wire rated at least 90C and must be protected by a suitable branch circuit breaker. Wire sizes show
above in parenthesis are for type S, SO,or similar cords. Other types of cords or cables should be sized according to local electrical
codes.
All wiring should be done by qualified personnel only!
WARNING: Do not connect chassis ground to NEUTRAL or operate without a chassis ground. To do so may allow exposure
to potentially lethal voltage levels and will void the warranty on this product.
NSI CORPORATION
INSTALLATION AND OPERATION GUIDE
3
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