8
308219
Installation
2.
Component Description
Fluid heater and control
The fluid heater (G) is actually two separate heaters,
one for Resin and one for Isocyanate. The heaters
have independent controls on the heater control panel
(116); see
Control panel
, below. Each heater also has
a thermometer (204).
A sensor probe (256 – see page 27) in each heater
senses fluid temperature and turns the heater element
on and off as needed. The heaters include a safety
limit thermostat, which shuts off the power if the fluid
gets too hot.
Heated hose control
(Models 235259 and 235260 only)
The heated hose control panel (317) controls power to
the heat tape in the heated hose assembly. The func-
tion of the heated hose is to
maintain
the proper fluid
temperature. The heated hose control panel is
discussed in the following
Control Panel
section.
Control panel
Each side of the heater, and the heated hose, has an
independent Temperature Set dial (K), a main power
circuit breaker (210 and 319) and an indicator light
(214 and 314) on the control panel.
The independent circuit breakers turn on or off the
main electrical power from the junction box. The
heated hose circuit breaker (319) (Models 235259 and
235260 only) includes a ground fault interrupter (GFI)
which shuts off the electrical power to the heat tape if it
detects a fault. The GFI is a 30 mA trip international
version that meets IEC 479.
NOTE:
The circuit breakers use the international
symbols,
I
for ON and
O
for OFF.
Each side of the heater control (116) and the heated
hose control (317) has an indicator light
(214 and 314)
on the control panel, which indicates when the heater
element is actually heating. The light blinks at about 1
second intervals. Its on–off time ratio indicates power
consumption.
The TEMP SET dial (K) is used to select the desired
fluid temperature. The range is approximately 95
_
F
(35
_
C) at
MIN
(minimum)
to 158
_
F (70
_
C) at
MAX
(maximum)
settings.
Fig. 2
01294
317
319
314
214
210
K
111
G
116
204
Summary of Contents for FOAM-CAT 200 Series
Page 33: ...33 308219 Notes...
