B = always a "B"
YC = Gas/Electric Package
100 = 100,000 BTUH (8.5 tons nominal)
G = Major Development Sequence (7th)
3 = 208-230/60/3
the rest of your model number does not add up to what the catalog that i have says...so your unit or my catalog may be older.
Last edited by jayguy; 01-17-2008 at 05:28 PM.
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