Use and Care Manual
1. Energy ecient, instantaneous heating on demand. It's tankless, so no preheating
and no stand-by heat loss, which saves even more energy.
2. Micro-computer controlled, patented heating technology.
3. Extremely safe! Water is completely separated from electricity by multi-layers of
composite nano-insulation material, and the heater contains multiple additional safety
devices, as outIined below.
4. Over-heating treaches 153° F / 67°C, the electricity is automatically cut o. If this
occurs, the screen hermal cut-o to avoid scalds. When the outlet water temperature
beeps and displays an E1 code.
PRODUCT INNER STRUCTURE
260mm
285mm
ECO180
ECO180
Bottom Case
Control Board
Display Screen
Temp.
Sensor
Flowmeter
Heating Chamber
Terminal blocks
E L1 L2 L1 L2
260mm
285mm
ECO270
ECO270
Bottom Case
Control Board
Display Screen
Temp. Sensor
Flowmeter
Heating Chamber
E L1 L2 L1 L2 L1 L2
Fig. 05
High pressure
discharge valve
Ball valve/shut off valve
Water in
Water out
Fig. 06
Terminal blocks
10