CCI Thermal Technologies Inc.
57
I.5 MASTER/EXTENSION CONTROL PANELS
(AUTOMATIC OPERATION)
The Master control panel contains most of the control
equipment and the extension panel(s) contain the power
distribution apparatus.
WHEN AMBIENT TEMPERATURE FALLS BELOW 38°F:
1.
Snow or blowing snow exists.
2.
The control will be activated. (Internal thermostat
controlled heater keeps panel components above
freezing during the heating season).
3.
Fastrax
®
FDC-7 automatic snow sensing integrated
control and sensor system initiate full power heater
operation will continue to monitor the environment
until no further snowfall is detected or the ambient
temperature rises above 38°F.
4.
When full power is applied the green “Full Power On”
indicating light will be illuminated.
Note:
The extension panels are sequenced on in 4
steps with a 10 second delay between Extensions
coming on.
5.
After snowfall stops a timer holds full power on for a
period of 1-99 hours (adjustable by customer or default
adjustment of 5 hours). Two types of snow sensors are
supplied as standard equipment.
a)
FAS1A aerial snow sensor assembly (field
installed above panel).
b) FGSP1A ground snow sensor assembly (factory
installed in FJAM200SUP junction box).
These snow sensor assemblies include a preset 38°F
temperature control, a low voltage heater to melt falling
snow and a moisture/snow sensor.
The FDC-6/FDC-7 control system has the ability to
accept as many sensors as desired wired to the master
control. Any combination of the above sensors may be
used. The worst-case location will then turn the system
on.
6.
After full power time has elapsed the green “Full Power
On” indicating light will go off.
7.
After 5-7 seconds an energy saving heater circuit
energizes, the green “Reduced Power On” indicating light
will illuminate, and maintains the rail heaters at 25% of full
power to maintain heating of residual or blowing snow.
8.
Crib heaters and SwitchBlade
®
heaters for the spring
frog and movable point frog maintain full power during
this period.
Note:
At any point during the hold time operation
(either full or 25% power maintenance cycle) if new
snow falls and the ambient temperature falls below
38°F, the automatic control is re-initiated and full
heating operation starts over.
I.6 MASTER/EXTENSION CONTROL PANELS
(MANUAL OPERATION)
The manual controls and timers are located at the Master
panel only. The extension panels have annunciation for
ground faults only.
1.
Manual start operation is a momentary push button
(located in the Master panel) on the inner door that
initiates the same timed heating cycles as explained in
the preceding ‘Automatic Operation’ section. This push
button simulates the snow sensor turning the system
on which is a good system test and allows the system
to be manually started.
2.
The green “Manual Start” push button must be held
until the green “Full Power” indication light illuminates
which generally takes 5-7 seconds.
Note:
The extension panels are sequenced on in 4
steps with a 10 second delay between extensions
coming on. Automatic sensing is overridden for initial
start up. Automatic control will operate the system once
the control cycle is started manually.
3.
Manual stop is a momentary push button (located in
the Master panel) that shuts the control system down
if an operator inadvertently starts the system when it is
not needed or if system testing is finished.
a) Automatic control overrides this stop feature, if
conditions exist that would initiate the system. In
this case, the system shuts down for 5-10 seconds
and then will restart in full power.
4.
Manual over-ride is a momentary push button (located
in the Master panel) that will bypass the automatic
equipment and initiates full power to all heating
elements.
a) Pressing the black “Manual Over-ride” push button
starts a 0-60 hour timer (adjustable by customer or
default adjustment of 24 hours) and will illuminate
the green “Full Power“ indicating light after 5-7
seconds.
b) The extension panels are sequenced on in 2 steps
with a 5 second delay between extensions coming on.
c) Full power will remain on for the time period
regardless of weather conditions. Once the time
period is up the system will then shut off.
d) To interrupt the over-ride heat cycle press the red
“Manual Stop” push button.