IF 1767 • 09/15 Copyright
©
2015, Eaton’s Crouse-Hinds Division Page 2
1. SAFETY INSTRUCTIONS
The ACE Explosionproof VFD should be installed, inspected and
maitained by qualified and competent personnel.
1.1 APPLICATION
The ACE Explosionproof VFD is rated Class I, Divisions 1 and 2 for
use in hazardous environments, and is designed to match the strict
requirements of pumps, compressors, fans, separators and mixers in
such process industries as:
• Oil and gas / refineries
• OEM skid builders
• Petrochemical
• Water / wastewater
• Pharmaceutical
• Food and beverage manufacturing
1.2 ELECTRICAL SAFETY
1.3 BLOWER SAFETY
These blowers comply with EN 61800-5-1 safety standards.
The blower is non-serviceable. Refer to ACE KIT 3, Section 8.3, for
replacement instructions.
1.4 HOT SURFACES
1.5 ENCLOSURE SAFETY
All pipe threaded connections into the enclosure require a minimum of
five (5) full threads of engagement. All straight threaded connections into
the enclosure require a minimum of eight (8) full threads of engagement.
Personnel injury or equipment damage can result from threaded joints
containing less than the minimum thread engagement required.
All unused conduit openings must be plugged. UL Listed plug must
engage a minimum of five (5) full threads and be a minimum of 1/8”
thick.
Conduit sealing fittings MUST be installed in each attached conduit run
(within eighteen (18) inches of the enclosure) to comply with the latest
edition of the National Electrical Code
®
(NEC) plus any other applicable
code.
The cover must be properly fastened to the body with all cover bolts
torqued to 40-45 ft.-lbs. (19.2-21.5 N-m). Personnel injury or equipment
damage can result if the flat joint flame path is not properly fastened.
WARNING
To avoid cooling system malfunction, cooling system failure and
personnel injury, close and seal the enclosure before energizing.
WARNING
To avoid cooling system malfunction, cooling system failure and
personnel injury, remove all loose debris and deposits before
energizing.
Blower Intake
Filter Shrouds
WARNING: HIGH SPEED
To avoid personnel injury, DO NOT handle the blower or service the
enclosure while energized.
WARNING: BURN HAZARD
To avoid personnel injury, use appropriate personnel protective
equipment before handling and operating the device.
CAUTION
To ensure safety and VFD performance, grounding provisions for the
enclosure, blower and VFD must be made before operating.
WARNING: HIGH VOLTAGE
Electrical power must be OFF before and during inspection or
service. Ensure electrical supply to the enclosure is disconnected,
locked out and tagged out. Personnel injury or damage to equipment
can occur if all power upstream from the enclosure is not fully
disconnected prior to opening.
Before commissioning the drive and putting it into service, make
sure that the motor and all driven equipment are suitable for
operation throughout the speed range provided by the drive. The
drive can be adjusted to operate the motor at speeds above and
below the speed provided by connecting the motor directly to the
line power.
WARNING
To avoid personnel injury and property damage, clean dirt and debris
from flat ground joint surfaces before the cover is closed. NEVER
energize this equipment if the flat ground joint has been scratched or
damaged.
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