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