Ingersoll-Rand EP 60, Operators/Instruction Manual Options, Page: 16 / 62

14
ELECTRICAL INSTALLATION (Continued)
The Intellisys will automatically shut the unit down if the
compressor rotation is incorrect, and “CK MTR
ROTATION” will appear in the display, also the alarm light
will be on. See Section 6.
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
overload relay (FMS/OL). Close and fasten the starter
box door. Recheck for correct rotation.
DANGER
HIGH VOLTAGE
DANGER DANGER
LEVER
HASP
TAG
KEY LOCK
FIGURE 2.4-4 INTELLISYS OPERATING INSTRUCTIONS
NOTICE
Intellisys Operating Instructions
Before installing, operating, or performing any maintenance on this unit, read and understand the instructions in the Operators / Instruction Manual
Before Starting
1. Check coolant level. Add coolant if
necessary.
2. Verify that main isolation valve is open.
3. If water-cooled, turn on water.
4. Close main disconnect switch. The
“POWER” light indicates that line and
control voltages are available for starting.
“UNLOAD” indicator light will be on.
Starting
1. Push “START”. Compressor will load
automatically and the air pressure will rise
if there is sufficient demand for air.
Stopping
1. Push “UNLOADED STOP”. Compressor
will immediately unload and continue to run
unloaded approximately 7 seconds.
Compressor will then stop. If compressor
is running unloaded when “UNLOADED
STOP” is pushed, compressor will stop
immediately.
2. Open main disconnect switch.
Stopping - Emergency
1. If there is a need to stop the compressor
immediately or if the “UNLOADED STOP”
does not stop the compressor after 7
seconds, push “EMERGENCY STOP”
2. Open main disconnect switch.