06
5. Malfunction sensor. If there is a malfunction with the temperature sensor, the
heater stops working and the screen displays an E3 code.
6. Dry-heating thermal cut-off. In case of dry heating, the electricity will be cut off and
the screen display will display an E4 code.
7. Micro-computer features an automatic electricity and water consumption
calculating function.
8. Reads temperature in both Fahrenheit and Celsius.
Fig. 01
Fig. 02
Marey heating elements are made from a single piece of cast
aluminum, so there will never be water leakage non electric
leakage in the heating chamber. Marey heaters also have an
extra stainless steel water flow channel instead of the
previous layered plate style, so no matter how your water
quality is inside the heating element, it will provide a long life
of service.
2 x 50 amp 2-pole
208/240V Breakers
ECO180
07
7. DO NOT install this water heater near volatile or flammable substances, near
tinder wood or near a strong magnetic field.
8. DO NOT switch the heater on if you suspect that it may be frozen. Wait until you
are sure that it has completely thawed out.
9. Before taking a shower, feel the outlet hot water temperature with your hand to
make sure it is suitable for showering to avoid getting scalded.
10. Before connecting the water heater hoses to the plumbing in your home, it is
extremely important to FLUSH the lines to wash out any plumbing paste or residue
in the lines.
11. The heating chamber is treated with composite nano-insulation material. It is
normal for there to be a slight odor and possibly a small amount of green/blue smoke
when the unit is used for the first time.
12. If there is damage to the wiring or any internal part, you must contact a qualified
electrician to replace it, or send it to one of our service centers for repair.
Replacement parts are available from Marey.
13. The shower head should be cleaned and checked periodically for debris and
build-up.
14. This water heater must be installed vertically, per the mounting instructions.
15. CAUTION: FOR HOUSEHOLD AND INDOOR USE ONLY.
1. Energy efficient, 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 outlined below.
4. Over-heating thermal cut-off to avoid scalds. When the outlet water temperature
reaches 153°F / 67°C, the electricity is automatically cut off. If this occurs, the screen
beeps and displays an E1 code.
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