QUINCY HYDRONIC TECHNOLOGY SG-3, Инструкция по установке и эксплуатации

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Biasi SG Pro Series Page 15
Tight Construction (as defined by ANSI Z223.1):
1. Walls and ceilings exposed to the outside atmosphere have a continuous
water vapor retarder with a rating of 1 perm or less with openings sealed
with gaskets, etc..
2. Weather-stripping has been added on open able windows and doors, and…
3. Caulking or sealants are applied to areas such as joints around windows
and door frames, between sole plates and floors, between wall-ceiling
joints, between wall panels, at penetrations for plumbing, electrical, and gas lines,
and in other openings.
If the building is of tight construction, air openings must be provided from the outside, with
appropriate sizing depending on amount of Btu/h as shown in pictures.
The area that the boiler is in must never be under a negative pressure, even if the appliance is
installed as direct vent. Always provide air openings sized not only to the dimensions
required for the firing rate of all appliances, but also to handle the air movement rate of the
exhaust fans or air movers using air from the building or space.
6. Intake Venting Cont.