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COMBUSTION AIR SYSTEM
Model: CAS-1
4" IAH HOOD
4" VRV
This product is designed for use on the Beckett AFII Series oil burners and
AF/AFG Series oil burner with a combustion air intake. For the purpose of routing
combustion air directly to the burner, with the added safety feature of the vacuum
relief valve.
Note: For burner inputs up to 2.0 GPH.
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Related Manuals for Field Controls 46255400
Summary of Contents for Field Controls 46255400
- Page 1 COMBUSTION AIR SYSTEM Model: CAS-1 4” IAH HOOD 4” VRV This product is designed for use on the Beckett AFII Series oil burners and AF/AFG Series oil burner with a combustion air intake. For the purpose of routing combustion air directly to the burner, with the added safety feature of the vacuum relief valve.
- Page 2 THE PURPOSE OF THE VACUUM RELIEF VALVE (VRV) The Vacuum Relief Valve is a safety device to guard against combustion problems associated with directly connecting oil burners to the outside. Typical problems can be caused by blockage of the intake termination, icing up of the duct work and effects of leeward side wind effects on a building.
- Page 3 ERMINATION OCATION UIDELINES 1. Mount intake hood 12 inches above finished grade. If mounting on the side of a building prone to drifting snow, mount 12 inches above the snow line. 2. Mount at least 12 inches away and on the same wall if sidewall venting.
- Page 4 PN 46255400 Rev D 06/00 Page 4...