: Shows the active hot water target temperature in Celsius. In the event of a system malfunction, this section alternates to flash two-digit alphabetic or numeric fault signals.
The manual highlights a "priority" system—if you have two controllers, only one has "priority" (indicated by a light) to change the temp, preventing someone in the kitchen from accidentally scalding someone in the shower. TGC 超薄型煤氣恆溫熱水爐 RJW15SD tgc bc901h manual
Comprehensive Guide to the TGC BC901H Water Heater Manual The (often referenced as BC901H in search queries) is a highly efficient, constant-temperature gas water heater from Towngas, designed to provide reliable hot water for household needs . Known for its compact design, it is part of the Superslim series designed for Hong Kong households. : Shows the active hot water target temperature in Celsius