• heater is installed, repaired and maintained by a licensed plumber and/or electrician. Under no circumstances should you attempt to install, repair, or disassemble the Marey tankless • electric heater without rst shutting off all power to the unit directly at the circuit breaker panel.
ECO180 WATER CONNECTIONS Water Connections Size Hot Water Outlet Cold Water Inlet • Maximum distance to point of use: 50ft. This may vary according to region. SPECIFICATIONS MODEL ECO180 Voltage 240 V Power 18 Kw Minimum circuit breaker size 2X50 Amps double pole...
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ECO180 WATER FLOW AND PRESSURE • Assure proper water ow and pressure to start unit. - If unit shows E1, or OVERHEAT or water is above set temperature, please increase water ow (volume) to water heater. - Sometimes the xtures aerators and shower heads need cleaning WATER QUALITY •...
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