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TYPICAL
INSTALLATION
HEATED CIRCULATING SYSTEM
KEY
A Mmer Air Valve,
blseder
type
C Gmund
Wlrn
a
Air Resulator
B
Gauge
D Pump
E RUM F b with Orah Valve
Q Shutoff Valve
F VIS-CON Heater
H Fluid Pressure Rwulstor
J SprnvGun
K
Bwk
Pressure
Valve
L D i m r Valve
M Siphon Tube
N
Drainbnck Tube
INSTALLATION
To reduce the risk of serious bodily injury, in-
WARNING
cluding fluid injection, splashing in the eyes or on
the skin, burns from hot fluid or heated surfaces,
electric shock or property damage, always follow
these precautions when installing the heater.
2.
Relive air and fluid pressure in the system.
1. Shut off the electric circuit.
3.
Have e trained and qualified person install and
wire the heater.
4. Be sure the installation is in compliance with all
local, state and national codes.
5. Use the heater in a circulating system, or install
an overtemperature relief valve, to reduce the
risk of overheating and overpressurization
which can cause component rupture, resulting
6.
Do not install any shut
off
devices downstream
in
serious bodily injury
and
property damage.
from the heater.
N O T E
These precautions are explained more
fully in
The Typical Installation shown above is only a guide to
Mountlng the Heater
setting up a basic, heated, circulating system. Contact
your Graco representative for assistance in designing a
system to suit your needs.
the warnings section, page 2 and
3.
Use 114 in. diameter mounting screws (PI to install the
heat insulators (19) on each side of the heater housing
bolt holes
(0).
See Fig 1. Mount the heater near the ob-
ject to be sprayed but outside the spray area. Be sure
the surface on which you mount the heater can support
the weight of the heater, filters, hoses and fluid. See the
the back page.
Dimensional Drawing on page
9
and Technical Data on
Fig 1
Install a fluid shutoff valve
(GI
UPSTREAM from the
servicing. DOWNSTREAM install a fluid filter and drain
heater. This
is
used to isolate the heater when
it
requires
valva
(El.
The filter removes sediment that may have
collected in the heater and could clog the spray gun.
Connect Hoaes
o f
the heater. See TYPICAL INSTALLATION drawing.
Connect the fluid lines to the 112 npt(f) inlet end outlet
To minimize heat loss, fluid lines should be insulated
when they are especially long or the environment is
cool.
4
307-363
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