Ingersoll-Rand 100-200 HP/75-160 KW - Manual (Page 15)

13
ELECTRICAL INSTALLATION (Continued)
The Intellisys will automatically shut the unit down if the
compressor rotation is incorrect, and the display will
indicate “CHECK MOTOR ROTATION” and will flash
“ALARM”.
For the compressor motor rotation check, the motor
jogging time must be as short as possible.
After depressing the start button, IMMEDIATELY
depress the “EMERGENCY STOP” button. Should the
motor rotation be incorrect, put main disconnect in
the OFF position, lock and tag. See Figure 2.4-3.
Fan motor rotation is clockwise when viewed from
the fan motor side.
INTELLISYS OPERATING INSTRUCTIONS
Read and understand the following Intellisys Operating
Instructions (See Figure 2.4-4) prior to operating the unit.
NOTE: These instructions are also contained on
the decal near the Intellisys panel of the unit.
FIGURE 2.4-3 MAIN DISCONNECT
LOCKED AND TAGGED
Open the starter box door.
Interchange any two line connections (L1, L2 or L3) at
the starter. Close and fasten the starter box door.
Recheck for correct rotation.
FAN MOTOR
Observe the compressor cooling fan. The rotation should
be in accordance with the fan rotation decal affixed to the
fan motor. Cooling air should exhaust through fan end of
compressor enclosure.
Should the motor rotation not be correct, put the main
disconnect in the OFF position, lock and tag.
Interchange any two fan motor leads at the fan motor
manual starter (MMS). Close and fasten the starter box
door. Recheck for correct rotation.
HASP
KEY
LOCK
LEVER
TAG
FIGURE 2.4-4 INTELLISYS
OPERATING INSTRUCTIONS