Best Water Heating Solutions | Tankless Water Heaters - Marey
Wire Gauge Chart | American Wire Gauge (AWG) Wire Size Chart
Installation Guide for Marey models including: ECO180 Electric Tankless Water Heater, ECO180, Electric Tankless Water Heater, Tankless Water Heater, Water Heater, Heater
ECO 180 CUSTOMER SUPPORT - Marey
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DocumentDocumentECO180 ELECTRIC TANKLESS WATER HEATER INSTALLATION REQUIREMENTS PR (787) 727-0277 marey.com USA (855) 627-3955 ECO180 INSTALLATION REQUIREMENTS WARNING · We recommend installation, repair and maintenance be performed by a professional for safety and compliance. · If you are not familiar with basic plumbing and electricity, we strongly recommend that the water 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 first shutting off all power to the unit directly at the circuit breaker panel. · Installation video: - https://www.youtube.com/watch?v=zkzQKymAirc · 220 240 Volts · 2 (two) double pole 50 Amp breakers - Check if service panel can handle the load x2 · Dedicated installation with 6 gauge wires - Wire size charts: https://www.electronicshub.org/wire-gauge-chart/ INSTALLATION REQUIREMENTS WIRING ECO180 INSTALLATION REQUIREMENTS ECO180 WATER CONNECTIONS Water Connections Size 34 NPT Hot Water Outlet Cold Water Inlet · Maximum distance to point of use: 50ft. This may vary according to region. SPECIFICATIONS MODEL Voltage Power Minimum circuit breaker size Maximum amperage Wire size Operating pressure Water connections Mount Dimensions Weight ECO180 240 V 18 Kw 2X50 Amps double pole 75 Amps 6 gauge 2.9~87 psi ¾" NPT Vertically 16.5"x10.9"x3.5" 17.6 lbs · Unit must be mounted vertically INSTALLATION REQUIREMENTS ECO180 WATER FLOW AND PRESSURE · Assure proper water flow and pressure to start unit. - If unit shows E1, or OVERHEAT or water is above set temperature, please increase water flow (volume) to water heater. - Sometimes the fixtures aerators and shower heads need cleaning WATER QUALITY · Sediment and Debris: - This model unit is flow activated. It works with an impeller inside the inlet fitting that spins with water flow. The spinning is what signals the unit to start. It is very common to get build up and clogs in first installations from debris in the water line. - Purge well the water line before connecting to inlet fitting. - If water from well or other source, sediment filter is recommended. - If unit does not start, check if inlet fitting screen is clogged with sediment or sealant and/or if impeller is stuck. - Instructions to clean impeller: https://www.youtube.com/watch?v=QXuUNCtSu20 - See Troubleshooting Guide for instructions. · Scale: hard water may corrode and damage heat exchangers, fittings and specially sensors in the tankless water heater. If your water is very hard you may want to consider a water softener to protect your appliances. FREEZING WEATHER · Do not expose to freezing conditions · If needed, unit may be drained to prevent freezing · Freeze damage is not covered by warranty INSTALLATION REQUIREMENTS