EcoSmart ECO 16, ECO 18, ECO 21, ECO 24, ECO 27 Installation Instructions & Homeowner's Manual

INSTALLATION INSTRUCTIONS & HOME OWNERS MANUAL

MODELS: ECO 16 – 18 – 21 – 24 – 27

IMPORTANT SAFETY INFORMATION

As when installing or using any high voltage electrical appliance, basic safety precautions should always
be followed. Under no circumstances should you attempt to clean, install, inspect, repair, disassemble or
otherwise service this water heater without first shutting off all power to the unit directly at the breaker
box. SERIOUS BODILY INJURY OR DEATH COULD OCCUR IF YOU IGNORE THIS WARNING.

THIS PRODUCT MUST BE INSTALLED BY A QUALIFIED ELECTRICIAN & PLUMBER IN ACCORDANCE WITH
ALL NATIONAL, STATE, PROVINCIAL AND LOCAL ELECTRICAL & PLUMBING CODES.

PLEASE READ THESE INSTRUCTIONS THOROUGHLY AND COMPLETELY PRIOR TO INSTALLATION & USE.
FAILURE TO DO SO COULD CAUSE PROPERTY DAMAGE OR SERIOUS INJURY OR DEATH & VOID YOUR
WARRANTY

This manual should be given to the homeowner after installation and should be retained for future
reference.

Please note: Installations in the commonwealth of Massachusetts and state of Kentucky require a

pressure relief valve.

THIS WATER HEATER WAS TESTED WITH BOTH WATER AND ELECTRICAL CONNECTIONS SIMULATING A
STANDARD INSTALLATION PRIOR TO SHIPPING.

ABOUT YOUR TANKLESS WATER HEATER

Models: Eco 16

- 18 Models: Eco 21

- 24 - 27

Tankless water heater

Tankless water heater

Congratulations on the purchase of your Tankless Water Heater! You have purchased the most
technologically-advanced tankless water heater in the market today. Your ECOSMART Tankless Water Heater
is backed by the industry’s most comprehensive warranty.

Your new tankless water heater features advanced water flow rate and temperature sensors designed to
modulate power to the heating elements to maintain a precise user-selected output water temperature
between 85F and 140F (subject to incoming water temperature and power of the selected model).

To get the best performance and energy savings from your tankless water heater, it is important that it be
installed in accordance with our instructions and the electrical and plumbing codes applicable to your area, and
that you read this manual thoroughly for important operating instructions and tips.

At any time, if you have any questions, please contact your Authorized Dealer, or contact us directly at:

ECOSMART US, L.L.C.

3315 NW 167TH STREET, MIAMI GARDENS, FLORIDA 33056

Toll Free: 1-877-474-6473

CONTENTS

1. Before you install your water heater.

2. Selecting a location to install.

3. Mounting your water heater.

4. Plumbing installation.

5. Electrical installation.

6. General operation instructions & setting output temperature.

7. Maintenance.

8. Trouble shooting guide.

9. Warranty information & warranty registration card.

1- BEFORE YOU INSTALL THIS PRODUCT

PLEASE READ THESE INSTRUCTIONS THOROUGHLY AND COMPLETELY BEFORE INSTALLATION AND
BEFORE USE. FAILURE TO DO SO COULD CAUSE PROPERTY DAMAGE OR SERIOUS PERSONAL INJURY OR
DEATH & VOID YOUR WARRANTY.

By installing this product, you acknowledge the terms of the manufacturer’s warranty and your Authorized
Dealer’s return policies. Water heaters that have been installed cannot be returned. If you have any questions
regarding the warranty or product return policies, please consult your Authorized Dealer prior to installation.

Open the box and carefully unpack the water heater. Inspect all components. The contents of your box should
include the following:

Installation instructions & Homeowners manual Installation instructions & Homeowners manual

2- SELECTING A LOCATION TO INSTALL

This product is designed to be installed indoors only. You may be able to install your unit in an outdoor
location as long as it is mounted in a suitable enclosure that protects it from rain, splashed water, direct
sunlight, debris, and insects. This product should NOT be installed in a location where it may be subject to
freezing temperatures. If the water inside your tankless water heater freezes, it can cause severe and
permanent damage that is not covered under your warranty. If you suspect that your tankless water heater
may have frozen, do not turn on the heater until it has thawed and you have inspected the system for leaks.
We highly recommend that you contact us if you suspect that your tankless water heater may have been frozen
with water inside it.
When selecting an installation location, give consideration to your existing plumbing configuration, location of
your main electrical panel, and location of your bathrooms, kitchen, and laundry area. Try to choose a location
that does not require you to make major plumbing alterations, that is close to your main electrical panel (this
will reduce the amount of wire that you need to install), and that is physically close to the hot water
applications (faucets) that you use most often. By locating the heater close to the points-ofuse, you will reduce
the amount of time it takes for the hot water to travel from the water heater to your faucet. You should also give
consideration to future servicing. Do NOT locate the water heater in a location that is difficult to access. In
most cases, installing your tankless water heater in the same location as your old conventional tank-type water
heater will make the most sense.

Regardless of your installation location, your water heater should be installed in a manner that will NOT
allow combustible materials to come in contact with the water heater or outlet water pipe. Combustible
materials should be kept at least 24 inches away from your water heater and the output hot water pipe. Make
sure that the water heater, outlet hot water pipe are out of the reach of children so they cannot tamper with
the temperature controls or injure themselves by touching the hot water outlet pipe. The output water pipe can
get very hot.

This product does NOT require venting.
You should avoid installing your tankless water heater in a location prone to excessive humidity, moisture, or

dust, or in an area where it may be splashed with water or other liquids. Do NOT install under water pipes or air
conditioning lines that might leak or condense moisture that could then drip onto the heater. Do NOT install
above electrical boxes or junctions.

If you plan to install your water heater on a second floor or in a heated attic space, make sure that you follow all
code requirements for such installations as required for your area. We recommend that you install a drip pan
(connected to a safe drain) below the water heater to avoid property damage in the unlikely event of a leak.
Alternatively, you can install an active water leak detector and shutoff valve designed to turn off your water
supply in the event that a leak is ever detected (we recommend the Floodstopper by FirstSmart Sensor Corp.

–

www.a-leak-detector.com).

3- MOUNTING YOUR WATER HEATER

Your Tankless Water Heater should be secured to the mounting surface with 4 screws (minimum 1 inch long)
using the built-in mounting brackets on each side of the heater. Make sure that the mounting surface is solid and
secure, and ensure that the unit is level prior to securing the screws. For ease of installation and servicing, we
recommend that this product be installed in an upright position with the inlet and outlet water connections at
the bottom of the unit.

Recommended Clearances:

Above and below heater: 12 inches

CAUTION: Combustible materials should be kept at least 24 inches

To front panel: 6 inches
To sides: 6 inches

away from your water heater and the output hot water pipe.

G

MODELS:Eco16-1

8

(4.5’’D x 14’’W x 17.75’’H)

MODELS:Eco21-24-2

7

(4.5’’D x 17’’W x 17.75’’H)

HOT

WATER

OUT

COLD

WATER

IN

1’’ MOUNTING

BRACKET

ELECTRICAL

CONDUIT

HOT

WATER

OUT

COLD

WATER

IN

1’’ MOUNTIN

BRACKET

ELECTRICAL

CONDUIT

4- PLUMBING INSTALLATION

PLEASE READ THESE INSTRUCTIONS THOROUGHLY AND COMPLETELY BEFORE INSTALLATION AND BEFORE USE.
FAILURE TO DO SO COULD CAUSE PROPERTY DAMAGE OR SERIOUS PERSONAL INJURY OR DEATH, AND
VOID YOUR WARRANTY.

Please follow all plumbing instructions carefully. This product must be installed by a licensed and qualified
plumber in accordance with all applicable national, state, provincial, and local plumbing codes.

IMPORTANT NOTES:

1. DO NOT SOLDER ANY PIPES WITH UNIT CONNECTED TO PIPES - IF YOU DO, YOU MAY DAMAGE THE
FLOW SENSOR AND VOID THE WARRANTY. WE RECOMMEND USE OF WATER HEATER FLEX HOSES FOR EASE OF
INSTALLATION

2. The ECOSMART Tankless Water Heater is equipped with both computer-controlled and electro-mechanical
auto-resetting thermostat switches for high-limited temperature protection. Since this product does not use a
storage tank, the use of a temperature pressure relief valve (T&P) is not required for most installations. UL
Standard 499 does NOT require that a pressure relief valve be used. However, a T&P valve may be required to
meet installation codes in your area. If one is required, install the pressure relief valve in accordance with your
code and ensure that it operates correctly and that air is purged from the valve prior to installing your water
heater. When connecting to Flex or High Temperature CPVC pipe, we recommend that a T&P valve be used for
added safety. If a pressure relief valve is used, it should be connected to a drain.

Please note: Installations in the Commonwealths of Massachusetts and State of Kentucky require a pressure
relief valve.

3.

The maximum recommended operating water pressure is 100 PSI. If your water pressure is higher than this,
we recommend that a pressure reduction valve be installed on your main incoming water supply line prior to
installing your tankless water heater.

4.

Flexible water heater hoses can and are recommended to be used with your water heater as part of
the installation. WHEN CONNECTING

TO HOLD THE UNITS CONNECTION AND ANOTHER WRENCH TO TIGHTHEN SO THE FLOW SENSOR ON
THE UNIT IS NOT LOOSENED OR DAMAGED. Serious internal damage to your water heater can occur
if you over-tighten the water heater inlet connections at the unit or if you solder any pipe to the inlet
and outlet connections. Such damage is NOT covered under the warranty.

5.

We recommend that all water pipe within 3 feet of the inlet and outlet hoses be copper although other
forms of plastic tubing are acceptable as long as they are rated for high temperature applications.

THE INLET WATER TO THE UNIT MAKE SURE YOU USE A WRENCH