1. First, turn on the key of the gas wall-hung boiler of Kyoto Electronics Industry Co., Ltd., Japan, and the temperature will appear on the display screen of the Ainoji wall-hung boiler, as shown in the following figure:

2. Then, when the machine is turned on, whether it is in use or in standby, the temperature can be adjusted. Pressing the faucet+indicates that the hydraulic pressure rises, while the opposite faucet-indicates that the hydraulic pressure drops, as shown in the following figure:

3. When the flame symbol appears on the display screen, it means that the water temperature is heating, as shown in the following figure:

4. The two buttons with+signs on the left are used to adjust the water temperature rise, and the buttons with-signs are used to adjust the water temperature drop, as shown in the following figure: