This document is an installation and usage manual for the HW-TC6012 series temperature controller manufactured by Beijing Greenwell Control Technology Co., Ltd. The temperature controller is used for temperature control in public buildings and residential areas. It features a novel appearance, clear LCD display, 220VAC local power supply, and reliable safety. The main functions include temperature control on/off control, indoor temperature setting and display, manual or automatic control of fan speed, cooling, heating and ventilation mode setting, etc.