ECO085 ELECTRIC TANKLESS WATER HEATER INSTRUCTIONAL MANUAL Keep this manual with you after your unit has been installed, you may need it for further technical information. USA (855) 627-3955 www.Marey.
Congratulations! You've just purchased a new Marey tankless water heater and will soon begin to enjoy the benefits 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 ECO11O 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.
INDEX WARNING 04 IMPORTANT SAFETY INSTRUCTIONS 04 PRODUCT FEATURES 05 ELECTRICAL DIAGRAM 06 TECHNICAL SPECIFICATION 06 PRODUCT INNER STRUCTURE 07 INSTALLATION GUIDELINE 07 INSTALLATION METHOD 08 OPERATING INSTRUCTIONS 10 TROUBLE-SHOOTING 11 NORMAL MAINTENANCE 11 CUSTOMER SERVICE 12
WARNING This is not a do-it-yourself project. Failure to have this appliance nstalled 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 first 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.
11. If there is damage to the wiring, you must contact qualified 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 The MAREY tankless electric water heaters are built national patent technology with multi-safety devices. Also, the unit has the following features: 1.
ELECTRICAL DIAGRAM Thermal Cut-Out 90°C L1 R1 T1 R2 T2 Control System L2 E Outlet Temp. Sensor Display Screen Inlet Temp. Sensor Flowmeter REMARK: R: HEATING SYSTEM T: TRIAC TECHNICAL SPECIFICATION 06 Voltage 120V 220V Power 4.5kW 8.5kW Min. Required Circuit Breaker Size 37.5A 38.6A Max. Amperage 50A Recommended Wire Size 8 AWG Min. Water Flow to Activate the Unit 0.48 GPM - 1.5L/min Max Water Flow Rate 3.0 GPM - 11.
PRODUCT INNER STRUCTURE Power cord Heating element Terminal blocks Thermostat Transformer Switch PCB protector cover Outlet temp. sensor Flow sensor Outlet Inlet 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 fittings are secure. 2.
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. 01 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 fix the water heater on the installation screws. Fig.
Fig. 03: Connect the waler pipe lo the waler inlet and water outlet connections, please remember to install the rubber seal ring. Fig. 03 Outlet Inlet Water connections 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. It is required that use 1/2"NPT water connections lo rrt the models of EC045/EC085.
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 1.
TROUBLE-SHOOTING PROBLEMS POSSIBLE CAUSES CORRECTIVE ACTIONS 1. Inlet and outlet fittings leaking A. Fittings not tight B. Rubber washer worn-out A. Tighten fittings. B. Change rubber washer. 2. LED not coming A. Power not connected. B. LCD damaged. A. Connect power to the unit. 3. Functional keys not working A. No water flow from fixture. B. Water flow too low. A. Open valve to get water. B. Open valve to get pressure. 4. Water too hot A. Too high temperature set point B. Water flow too low.
Please feel free to contact us if you have any questions about our products, warranty service, or if you need assistance installing a unit. We also strive for continuous improvement, so we welcome your comments, feedback and suggestions. U.S.A +1 (855) 627-3955 PUERTO RICO (787) 727-0277 customerservice@marey.com www.Marey.
