EcoSmart Eco 18 Quick Install Manual

Models: Eco 18-21-24-27
This is a quick install reference guide, you must follow the complete installation
instructions and homeowners manual included with the unit.
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 AND
PLUMBER IN ACCORDANCE WITH ALL NATIONAL, STATE, PROVINCIAL, AND LOCAL ELECTRICAL AND PLUMBING CODES.
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.
THIS WATER HEATER MUST BE INSTALLED BY A LICENSED ELECTRICIAN AND PLUMBER PROOF OF INSTALLATION MUST
ACCOMPANY THE WARRANTY CARD.
Plumbing Connection
The Eco 18-27 series is supplied with
3/4 NPT connections, DO NOT weld or use
TEFLON tape or PASTE. Water heater
hoses are strongly recommended. Connect
the COLD water supply line to the right
side of the unit and the HOT water line to
the left side of the unit.
HOT WATER
Once both water lines are fastened and
secured you MUST run water through the
unit for at least 2 minutes to FLUSH any
air pockets (purging) in the lines, it is rec-
ommended that all faucets, showers etc
be run. Failure to follow this step can
cause permanent damage to the unit. This
procedure MUST be performed before any
electrical power is turned on.
Installation Question
(877) 474-6473
info@ecosmartus.com
QUICK INSTALL GUIDE
IMPORTANT SAFETY INFORMATION
All wires must be connected to independent double pole breakers.
Check all wires to make sure they are securely fasten
and tight. Before turning the power ON make sure
COLD WATER
the system has been flushed as required in the
plumbing section. When the unit is powered up turn
the control knob to turn ON the GREEN LED indicator
light with turn. You can set or adjust your tempera-
ture at any time between 80 F - 140 F (26 - 60 ).
Model
Eco 18
Eco 21
Eco 24
Eco 27
Electrical Connection
18 requires (2) sets of wires.
Eco 21 - 24 & 27 requires (3) sets of wires.
ELECTRICAL SPECIFICATIONS
Required Breaker Max Amp Draw
2 x 40A DP
3 x 40A DP
3 x 40A DP
3 x 40A DP
AWG Cable
75.0 #8 / 2 sets
87.5 #8 / 3 sets
100.0 #8 / 3 sets
112.5 #8 / 3 sets