Installation guide
34 | Rinnai Heating Specication Guide 02-13
Appendix 4: Denition of an outdoor area
This appliance shall only be used in an above ground open air situation with natural
ventilation, without stagnant areas, and where gas leakage and products of combustion
are rapidly dispersed by wind and natural convection.
Any enclosure in which the appliance is used shall comply with one of the following:
• With walls on all sides, but at least one permanent opening at ground level, and no overheard cover
• With a partial enclosure that includes an overhead cover and no more than two walls
• Within a partial enclosure that includes an overhead cover and more than two walls, the following
shall apply:
- at least 25% of the total wall area is completely open
- at least 30% of the remaining wall area is open and unrestricted
In the case of balconies, at least 20% of the total wall area shall be and remain open and unrestricted.