Field Controls SWG-3 - Hearth Combustion Air

HEARTH
Technical Service: 800.742.8368 • fieldcontrols.com 47
COMBUSTION AIR UNIT
FOR GAS FIREPLACES
Combustion
Air Unit
Open
Hearth
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The CAU combustion air unit is an intake air hood and damper
combined into one compact unit. The CAU opens automatically
to provide air for combustion in the fireplace. Its compact
design is ideal for hearths located on an exterior wall of
the home.
THE COMBUSTION AIR UNIT
SPECIFICATIONS
UNIT DIMENSIONS (INCHES) ELECTRICAL DATA
MODEL A B C D E F VOLTS HZ WATTS
TIMING
CAU-4
7
1
⁄8 8 4 4 4 6 24 60 3
15 seconds to
open/close
CAU-6
9 10
1
⁄2 4 6 6 6 24 60 3
15 seconds to
open/close
FEATURES
• Can be installed with or without the Flue Sentinel
®
electronic
flue damper
• Galvanized steel construction
• Automatic operation
• Standard adjustable, variable position mounting bracket
offers a variety of mounting options
• Easily mounts on exterior wall or crawlspace
• Paintable
• Two models - 4" & 6"
HOW IT WORKS
When there is a call for fire, the CAU damper opens and
allows the fire to start. Outside air is channeled directly into
the firebox for combustion air. When the fire is turned off, the
damper closes.
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Combustion Air Unit