a.
Interconnection with washdown system to effect shutoff.
**************************************************************************
NOTE: Delete references to fire dampers in air
inlet if fire dampers are included in exhaust
ductwork connecting to hood.
**************************************************************************
b.
Interconnection with fire dampers to effect shutoff of fans.
c.
Operation by time clock.
d.
Operation by manual push buttons labeled "start" and "stop".
2.8.1.5
Fire Damper
**************************************************************************
NOTE: Delete references to damper if fire dampers
are included in exhaust ductwork connecting to hood.
**************************************************************************
Provide mechanically driven damper and damper control. Activate by
heat-sensing thermostat set to react to temperature of 176 degrees C 350
degrees F in exhaust duct at hood. Activation of damper shall cause the
following additional actions:
a.
Shut off exhaust and supply fans of hood.
b.
Shut off fuel source and electric power to equipment under hood.
c.
Initiate automatic washdown system.
2.8.1.6
Fan Control Station and Plumbing Enclosure
**************************************************************************
NOTE: Do not locate control cabinet for hoods on
serving line tray slide support walls or on drop
wall above serving line tray slide.
**************************************************************************
Provide flush-mounted enclosure.
Wire and plumb in factory.
Include the
following:
a.
Plumbing components of washdown system.
b.
Components required for fan control, including manual push buttons
and interlocks with other systems.
c.
Components required to operate fire protection system.
d.
Time clock capable of being programmed by the week to operate fan
system and automatic washdown system and of maintaining time cycle
after being overridden by manual push buttons.
e.
Labelled light indicating when exhaust fan and supply fan are
operating.
f.
Labelled light indicating when automatic washdown system is
operating.
SECTION 11400N
Page 26
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