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Recommended air filtration for the air
heater is 50 micron and must be free of
oil. Additional filtration may be required
depending on applicator used. (Refer to
Applicator manual for required filtration.)
W A R N I N G
!
>
DO NOT operate air heater without a
minimum of 1 SCFM of air flow through
the unit.
INSTALLATION OPTIONS
(See Figure 1)
Heater Pressure Switch Interlock Options for
Activation:
1. Pilot from one of the following items which
corresponds and signals air is flowing:
a. Volume booster - requires a minimum of 1
psig.
b. PLC pneumatic output - requires a mini-
mum
of 1 psig.
c. Air regulator - requires a minimum of 1 psig.
2. Directly from a remote electrical control (such
C A U T I O N
!
> Never activate heater without air flow.
as a turbine speed control or PLC). This contact
must correspond and signal that air is flowing
through the heater.
9
NOTE
Air Heater Assembly - Installation
This electrical circuit must be connected using a
minimum 1 amp dry contact relay (such as PLC
contact). This can be completed by the following:
1. Remove the present wire from TB8-1.
2. Using a wire nut, connect the wire removed in
step 1 to a longer wire and route to one side of
the remote contact.
3. Run a wire from the other side of the remote
contact back to TB8-1.
4. Add pressure switch changes, A1.
When the remote contact is closed, the air heater
will turn on.
LN-9245-00.8
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