REVISION HISTORY
R1 (SEPTEMBER 2005)
R2 (JULY 2007)
R3 (MARCH 2010)
R4 (SEPTEMBER 2012)
R5 (SEPTEMBER 2014)
R6 (MAY 2015)
Initial release
Venting requirements (Canada) to ULC-S636; internal wiring diagram and warranty
details added
VFC 45-225-SL variant added (with new NRG-137 fan); warranty removed to
separate document
Polypropylene venting, detachable lid heat exchanger and US Energy Act disclosures
added; VFC 45-225-SL designation merged within base VFC 45-225 model
Disclosures updated to CSA 4.9-2014 / ANSI Z21.13-2014 Standard; Touch Screen
Controller added
Address update