Marey ECO070 Manuel utilisateur

Keep this manual with you after your unit has been installed, you

may need it for further technical information.

ECO070

ELECTRIC TANKLESS WATER HEATER

INSTRUCTIONAL

MANUAL

USA (855) 627-3955 PR (787) 727-0277www.Marey.com

Congratulations! You've just purchased a new Marey tankless water heater and will soon

begin to enjoy the benets of "going tankless."

Take the time to thoroughly read and understand this safety and installation manual in its

entirety before you attempt to install your new ECO070 tankless water heater, as it

contains important safety tips and instructions.

Please carefully read all instructions and warnings. Should you have any questions,

please visit www.marey.com for installation videos and FAQ.

Please keep this manual for future reference and technical information.

INDEX

WARNING

IMPORTANT SAFETY INSTRUCTIONS

PRODUCT FEATURES

ELECTRICAL DIAGRAM

TECHNICAL SPECIFICATION

PRODUCT INNER STRUCTURE

INSTALLATION GUIDELINE

INSTALLATION METHOD

OPERATING INSTRUCTIONS

TROUBLE-SHOOTING

NORMAL MAINTENANCE

CUSTOMER SERVICE

This is not a do-it-yourself project. Failure to have this appliance installed by a licensed

plumber and electrician will void all warranties.

Under no circumstances should you attempt to install, repair or disassemble the MAREY

tankless electric water heater without rst shutting off all power to the unit directly at the

circuit breaker box.

Installation of this product is restricted to indoor locations and should only be installed by

licensed plumbing or electrical contractors.

WARNING

1. The installation must be in compliance with the National Electrical Code and your local

electrical and plumbing codes.

2. This appliance must be GROUNDED.

3. All wiring and installation must be supervised by a qualied electrician.

4. CAUTION: This product has more than one power-supply connection point. Disconnect all

power supplies before servicing.

5. This appliance is not intended for use by persons (include chitdren}with reduced physical

sensory or mental capabilities, or lack of experience and knowledge, unless they have been

given supervision or instruction concerning use of the appliance by a person responsible for their

safety. Children should be supervised to ensure that they do not play with the appliance.

6. This appliance MUST be permanently connected to the xed circuit breaker and it must be

installed vertically. DO NOT install this appliance near a pile of tinder or strong magnetic eld.

7. This appliance MUST NOT be switch on if you think it may be frozen, as this could result in

serious damage to the unit. Wait until you are sure that it has completely thawed out before

you switch it on.

8. Please feel the outlet hot water temperature with hand to make sure it is suitable for

showering before taking shower to avoid getting scalded.

9. Before connecting pipes to the water heater hoses, it is extremely important to FLUSH the

pipes to wash away all plumbing paste or residue in the pipes.

10. The heating chamber is treated with composite nano insulation material; it is natural if

there might be a bit of smell or green blue smoke when the unit is used for the rst time.

IMPORTANT SAFETY INSTRUCTIONS

The MAREY tankless electric water heaters are built national patent technology with

multi-safety devices.

Also, the unit has the following features:

1. Tankless, instantaneous heating for on demand hot water, No pre-heating. No stand-by

heating loss. Energy-saving.

2. Micro-computer control, adopting patent heating technology. Water is completely separated

from electricity by multi-layers of composite nano insulation material.

3. Over temperature protection: when the ouUet water temp. reaches over 162°F/72°C. the

electricity will be cut off to avoid getting scalded and the screen displays E1. the appliance will

start to work automatically after the while temperature drop to the setting temperature.

4. Malfunction of sensor-when there is malfunction with the temperature sensor, the heater

stops working and displays E3

5. Conversion between degree Fahrenheit and degree Celsius.

These units use SMART technology, which means that the units read the incoming water

temperature and the ow rate of the x.lure being used, and applies only the power

necessary to heat the water to your desired set point. This allows the unit to be very

efcient, and not waste power by only heating the water that is being used.

11. If there is damage to the wiring, you must contact qualied electrician to replace it.

12. CAUTION: FOR HOUSEHOLD ANO INDOOR USE ONLY

13. CAUTION: Risk of electric shock ,CONNECT ONLY TO A CIRCUIT THAT IS PROTECTED BY

GROUND-FAULT CIRCUIT INTERRUPTER (GFCI).

14 .Save this instruction booklet.

PRODUCT FEATURES

Thermal Cut-Out 90°C

Control

System

Display

Screen Inlet Temp. Sensor

Flowmeter

Outlet Temp. Sensor

REMARK: R: HEATING SYSTEM T: TRIAC

ELECTRICAL DIAGRAM

TECHNICAL SPECIFICATION

Voltage

Power

Min. Required

Circuit Breaker Size

Recommended Wire Size

Min. Water Flow

to Activate the Unit

Max Water Flow Rate

Water Pressure

Water Connections

Weight

Dimensions

PRODUCT CODE ECO085

8 AWG

0.40 GPM - 1.5±0.3L/min

3.0 GPM - 11.3 L/min

[2.9 - 87] PSI

½ NPT Brass

6.28 lb - 2.85 kg

11" x 10.2" x 4.5"

220-240V

8.5kW

30A

Note: *suitable recognized strain

relief means shall be provided

when the product is installed.

ECO085 | GPM

4.1

2.3

1.6

1.2

FLOW RATE

(GPM)

TE MP. R I SE

(ºF)

Temp. Increase per GPM

PRODUCT INNER STRUCTURE

INSTALLATION GUIDELINE

The installation must be in compliance wilh the National Electrical Code, your local electrical

and plumbing codes.

1. Make sure the appliance is intact, and lhe ttings are secure.

2. Please make sure the main power supply, water pressure, grounding condition, eleclrical

breaker and wire reach the standard of installation requirement.

3. The appliance must be connected to a properly grounded dedicated circuit of proper

voltage rating. Ground must be brought to the ·grounding bar' at the circuit breaker panel.

4. This appliance MUST be permanently connected to the xed circuit breaker. If you don't

use the heater. please switch off the circuit breaker.

5. DO NOT inslall this appliance near tinder or a strong magnetic eld. The unit must only be

mounted in a VERTICAL position near the water ttings. Please electrify the machine after

getting through wateiway.

Heating element

Power cord

Terminal block

Thermostat

Transformer

Switch

PCB protector cover

Flow sensor

Inlet

Outlet

Outlet temp. sensor

Inlet temp. sensor

INSTALLATION METHOD

Fixed installation on the wall

Locate an appropriate place on a section or wall as above mentioned.

Fig. 01: Front and back of the appliance

Fig. 02: Mark two mounting holes on the wall according to the following picture, then drill

two holes of 6.00mm diameter. Put expansion bolts in the holes, screw self-tapping-screw

into expansion bolts, then x the water heater on the installation screws.

Fig. 01

Fig. 02

Fig. 03: Connect the waler pipe lo the waler inlet and water outlet connections, please

remember to install the rubber seal ring.

1. All water pipe must comply with national and applicable state and local water pipe codes.

2. The unit should be connected directly to the main water supply. Flush pipe with waler

lo remove any debris or loose particles before connecting to the unit.

3. To ensure compatibility with the model, use only 1/2" NPT water connection ttings.

4. Please remember lo install rubber seal rings at the connections. When all water

connections are completed, check for leaks and take corrective action before proceeding.

Electrical connections

1. All electrical work must comply with national and applicable state and local

electrical codes.

2. All units must be connected to a properly grounded dedicated circuit of proper

voltage rating.

3. EC070 must be protected by a double pole breaker.

Outlet Inlet

Water connections

Fig. 03

1. Open water faucet for a few minutes until water ow is continuous and all air is purged

from water pipes.

2. Turn on the circuit breaker to bring electrical power to the unit.

3. The range or options for the temperature setting is 30-60°C/86-140°F.

4. When the unit is ON, but not working, lhen turn the unit on and off 3-4 times to convert

the temperature display between F ahrenheil and Celsius.

5. Centigrade display: when the setting temperature is 45°C, outlet hot water temperature

will be 45°C; Fahrenheit display: when the selling temperature is 113°F, outlet hot water

temperature will be 113°F. When you set the setting temperature, LED display screen will

twinkle 3 seconds; the temperature switched automatically to real-time temperature.

6. When the unit is ON, the LED display screen will display the actual temperature, if it does

not start working for 30 seconds, the screen will switch to the screen saver mode, the LED

display screen will be off. When you touch the knob switch, the LED display screen will light

up again and display the actual temperature again.

7. There is an overheat protection function for the appliance, if the outlet temperature

reaches 72°C/162°F, the LED display screen will display E1, the appliance will decrease the

power level automatically. After the hot water temp. drops to 55°C/131°F, the unit will begin

to work again. If this happens repeatedly then you should reduce lhe setting temperature.

8. The dry heat protection temperature is 90°C/194°F, water heater is with manual reset

unipolar protector

9. There is an automatic memory function to avoid repetitive adjustments. When you turn on

the appliance, the default set temp. will be the same as last time used.

4. Please make sure the wiring and the terrnirial blocks touch completely and are

secure. Also, lighten the screws completely on the terminal blocks to make sure lhe full

current can go through.

5. Before beginning any work on the electric installation, be sure that main breaker

panel switch is OFF to avoid any danger of electric shock, all mounLing and plumbing

must be completed before proceeding with electrical hook-up.

OPERATING INSTRUCTIONS

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