Monessen Hearth VFCS20DPV Oven User Manual


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10 58D6002
ON
OFF
L
2
L
1
W
H
GENERAL INSTALLATION INFORMATION
Thefollowingformulacanbeusedtodeterminethemaximumheaterratingperthedenitionofunconnedspace:
BTU/Hr = (L1 + L2) Ft x (W) Ft x (H) Ft
50
Considertwoconnectingroomswithanopenareabetween,withthefollowingdimensions:
L1 = 15
1
/2 Ft., L2 = 12 Ft., W = 12 Ft., H = 8 Ft.
BTU/Hr = (15
1
/2 + 12) x (12) x (8)
50
If there were a door between the two rooms the calculation would be based only on the room with the heater.
BTU/Hr = (15
1
/2) x (12) x (8)
50
Figure 4 - Example of a Large Room with 1/2 Wall Divider
Counter
Cast Iron Stove
x 1000
x 1000 = 52800 BTU/Hr
x 1000 = 29760 BTU/Hr
WARNING
If the area in which the heater may be operated is smaller than that defined as an
unconfined space or if the building is of unusually tight construction, provide adequate
combustion and ventilation air by one of the methods described in the National Fuel
Gas Code, ANSI Z223.1, NFPA54, Section 5.3 or applicable local codes.
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