REVISION HISTORY
R1 (JULY 2014)
R2 (SEPTEMBER 2014)
R3 (MARCH 2015)
R4 (AUGUST 2015)
R5 (OCTOBER 2015)
R6 (FEBRUARY 2016)
R7 (JULY 2016)
R8 (FEBRUARY 2017)
R9 (JUNE 2017)
R10 (MAY 2018)
Initial release
New Model - HC 13-50, Minor updates
Minor Updates, Change DHW Tank Sensor to 10KΩ
Address Update
Addition of new model – HC 20-125
Updated Parameters and Orifice tables
New Propane Back Flow Flapper, Revision to Exhaust Vent Material - USA
Deletion of old model HC 33-124, Approval of PVC exhaust venting, Pressure-Sensor
Type LWCO language
Separation of Controller Manual, Minor Updates, Change of system type default to 1
Introduction of models HC and HC 15-96. Deletion of older models HC 23-84 and
HC 29-106, minor updates.