13
VIKING RANGE BTU REQUIREMENTS
Determine the size of piping or tubing required for the two stage LP Gas installation shown.
Total of the first stage piping length equal 26 feet; first
stage regulator setting is 10 psig. From “aa” to “a”,
demands equal 338,000 BTU/hr., use ½" pipe, ½"
tubing, or ½" T plastic pipe. (This is determined by
using a gas range with a total of 65,00 BTU usage. See
below for the BTU ratings of the Viking ranges.)
Total second stage piping length equal 50 feet.
From a to b, demand = 338,000 BTU/hr, use 1" pipe.
From b to c, demand = 138,000 BTU/hr, use 3/4" pipe
or 7/8" tubing.
From c to d, demand = 100,000 BTU/hr, use ½" pipe or
1/4" tubing.
From d to e, demand = 35,000 BTU/hr, use ½" pipe or
½" tubing.
From b to f, demand = 200,000 BTU/hr, use 3/4" pipe.
From c to g, demand = 38,000 BTU/hr, use ½" pipe or
5/8" tubing.
From d to n, demand = 65,000 BTU/hr, use ½" pipe or
5/8" tubing.
Total BTU’s required for each Viking range by model
number.
VGR30 75,000 VGSS300 105.000
VGR36-4G 103,000 VGSC305 108,000
VGR36-6B 128,000 VGRC365 138,000
VGR48-4G 130,000 VGRC485 183,000
VGR48-6G 145,000 VGRC605 203,000
VGR48-8B 160,000
The size of the LP supply tank should be calculated by
the total number of BTU requirements of the gas
appliance.
The pressure supplied from the LP supply tank should
be between *12 WCI and *14 WCI. The regulator on
your Viking range will supply a steady *10 WCI to the
manifold.
*WCI - Water column inches.
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