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Air Heater Assembly - Installation
INSTALLATION
LOCATION
W A R N I N G
!
>
The air heater MUST be located out-
side of any hazardous area(s)
to applicator as possible.
33.)
>
This manual must be read and thor-
oughly understood by ALL personnel who
operate, clean, or maintain this equip-
ment. Special care should be taken to
ensure that the WARNINGS and require-
ments for operating and servicing are
safely followed.
Install the air heater near the applicator, but in an
area outside of the hazardous location. The unit
should be located so that it is not exposed to water,
paints or solvents, and high temperatures. (The
ambient temperature should not exceed 120°F.)
C A U T I O N
!
> Do not locate the unit near or adjacent
to heat producing equipment such as
oven, high wattage lamps, steam pipes,
etc.
W A R N I N G
!
>
The air heater cabinet must be prop-
erly connected to earth ground.
LN-9245-00.8
INPUT POWER
Input supply voltage connection should be made
from a fused disconnect. Route the input power
wires through the side of the cabinet. Generally,
conduit should be used for the input power. (Always
as close
comply with national and local electrical codes.)
(See NFPA-
PNEUMATIC
CONNECTIONS
Use appropriate size piping to connect the air
heater to a filtered inlet source. The air heater
compressed air input is at the bottom of the unit
and is identified as "IN". Connect the heated air
output located at the top of the unit identified as
"hot outlet pipe" to the coating applicator(s) using
1/2-inch OD, nylon 11/12-inch tubing, with proper
pressure rating.
A secondary sensing air supply must be connected
to the pressure switch [8] through 1/4-inch OD
tube fitting [29].
If the unit is being wired directly to the PLC elec-
trical connections, the pressure switch must be
by-passed. (Refer to "Figure 1: Installation Op-
tions" for assistance.)
W A R N I N G
!
>
All hardware and tubing used be-
tween the air heater and applicator must
have proper working pressure (150 psig)
and temperature (150°F) ratings.
8
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