While the water is actively running, you can decrease the temperature at any time. However, if the water heater is operating and the temperature is already at or above , the system blocks any further temperature increases to prevent accidental burns. Turn off the water tap to safely adjust temperatures above this threshold. Seasonal Volume Adjustments
The front interface is where the magic happens. According to the manual, you will find:
This article details everything you need to know, from its core functions to everyday usage, troubleshooting, and FAQs, ensuring you can fully leverage your water heater's capabilities. tgc bc-90-1h manual
If your home has multiple controllers (e.g., kitchen + bathroom): Press the button on the The priority indicator light will turn on.
: Transitions from Green (standby/ready) to Yellow/Orange (active combustion/water flowing). While the water is actively running, you can
Use the arrow buttons to reach your desired heat. For safety, the system typically won't allow temperature changes while water is actually flowing at high temperatures.
Gas appliances require strict adherence to safety protocols to prevent accidents. Seasonal Volume Adjustments The front interface is where
: Grants the bathroom controller primary command over the hot water system. It prevents sudden temperature shifts initiated by other controllers in the home.
: It is part of a system with multiple safety devices, including a flame failure safety device, overheat protection (thermistor, thermal fuse), and a water pressure relief valve to prevent system damage.