marey ECO150 Electric Tank Less Water Heater Instruction Manual

: September 18, 2024
: marey

Table of Contents

ECO150 Electric Tank Less Water Heater
Product Information
Specifications
Product Usage Instructions
Installation Requirements
Water Connections
Usage Tips
- FAQ
Q: What should I do if the unit displays an E1 error?
Q: How often should I clean the fixtures’ aerators and shower

ECO150 Electric Tank Less Water Heater

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Product Information

Specifications

Model: ECO150
Voltage: [Insert Voltage]
Power: [Insert Power]
Minimum circuit breaker size: [Insert Size]
Maximum amperage: [Insert Amperage]
Wire size: [Insert Size]
Operating pressure: [Insert Pressure]
Water connections: NPT
Mount: Dimensions [Insert Dimensions]
Weight: [Insert Weight]

Product Usage Instructions

Installation Requirements

Before installing the ECO150 Electric Tankless Water Heater,
ensure you meet the following requirements:

Refer to wire size charts for appropriate wire gauge: Wire Size
Charts

Water Connections

Connect the water heater as follows:

Hot Water Outlet Size: NPT
Cold Water Inlet Size: NPT

Usage Tips

If the unit displays E1, OVERHEAT, or the water temperature is
above the set level, increase the water flow to the heater.
Periodically clean the fixtures’ aerators and shower heads for
optimal performance.

FAQ

Q: What should I do if the unit displays an E1 error?

A: If you see an E1 error, increase the water flow to the heater
to resolve the issue.

Q: How often should I clean the fixtures’ aerators and shower

heads?

A: It is recommended to clean the aerators and shower heads
periodically to ensure efficient operation.

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ECO150
ELECTRIC TANKLESS WATER HEATER
INSTALLATION REQUIREMENTS

PR 787-727-0277

marey.com

USA 855-627-3955

ECO150
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=BLmZfJ6O3Rg
· 240 Volts · 70 Amp double pole breaker
– Check if service panel can handle the load · Dedicated installation with 6 gauge wires
– Wire size charts: https://www.electronicshub.org/wire-gauge-chart/
INSTALLATION REQUIREMENTS

ECO150

WATER CONNECTIONS

Water Connections Size
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

ECO150
240 V 14.6 Kw 70 Amp double pole 60 Amps 6 gauge 2.9~87 psi ½” NPT Vertically 14.7″x8.7″x3.5″ 11.4 lbs

· Unit must be mounted vertically

INSTALLATION REQUIREMENTS

ECO150
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