Toyotomi BS-35(F) - Manual (Page 4)

4
SAFETY FEATURES
1. Ignition Safety Device (Flame Sensor)
The unit will automatically stop all operations if ignition fails or if the flame fails during
combustion. ‘‘WARNING’’ lamp will light.
2. Empty Burning Safety Device
If the heat exchanger is not filled with water and the unit is turned on, the unit automatically
stops all operations. Open a hot water faucet after cooling the heat exchanger down and
make sure that water comes out continuously. Then press the POWER SWITCH again
after supplying water to the heat exchanger.
3. Over Heat Protector
In order to prevent burns, the over heat protector automatically stops all operations if the
water in the heat exchanger reaches abnormally high temperatures due to temperature
controller malfunction. The ‘‘WARNING’’ lamp will light.
4. Power Failure Recovery System
If power fails during water heater operation the unit will turn off. When power resumes the
unit will automatically reignite.
5. Tip-over Switch
When the unit senses an earthquake or shock, this device activates to stop the operation.
Warning lamp will light.
6. Fuel Strainer
Special strainer catches any dirt or impurities present in the fuel before it is sent to the
burner.
7. Heat Exchanger Bi-Metal Switch
If the heat exchanger temperature is raised abnormally because of a malfunctioning
thermostat, the burner is automatically extinguished and the all lamps will go out.