Pre-Installation Steps; Ventilate The Spray Booth; Install The Rotary Applicator; Interlock The Isolation Enclosure - Graco ProBell Electrostatic Controller Instructions And Parts

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Pre-Installation Steps

Provide fresh air ventilation to avoid the buildup of

ﬂammable or toxic vapors when spraying, ﬂushing,

or cleaning the applicator. Do not operate the

applicator unless ventilation air ﬂow is above the

minimum required value..

Electrically interlock the Electrostatic Controller (A)

with the ventilators to prevent applicator operation

unless ventilation air ﬂow is above the minimum

required value. Use the 24 VDC Interlock pin on

the Discrete I/O cable to connect to the ventilator

interlock. Check and follow all National, State,

and Local codes regarding air exhaust velocity

requirements.

NOTE: High velocity air exhaust will decrease the

operating efﬁciency of the electrostatic system. The

minimum allowable air exhaust velocity is 60 ft/minute

(19 linear meters/minute).

See the Rotary Applicator Manual (334452 or

334626) for installation instructions.

To reduce the risk of electric shock, interlock the

Electrostatic Controller with the voltage isolation

system to shut off the electrostatics anytime the

isolation system enclosure is opened.

For information about the interlocks and their use,

see

Interlocks, page 7

3A3657C

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