EemaX EX190 TC User Manual

ELECTRIC INSTANTANEOUS WATER HEATER
INSTALLATION GUIDE AND OWNERS MANUAL
IF YOU REQUIRE ANY HELP OR HAVE ANY QUESTIONS RELATING TO THE
INSTALLATION OR PERFORMANCE OF THIS HEATER, PLEASE CALL OUR
TECHNICAL SERVICE DEPARTMENT TOLLFREE : 1-800-543-6163.
HAVE THE INFORMATION LISTED BELOW BEFORE CALLING :
SERIAL NO. MODEL NO. EX INSTALLATION DATE
EEMAX “SERIES-TWO” WATER HEATERS
MODELS COVERED:- EX190 TC, T2 - 240/208 V
EX144 TC, T2 - 240/208 V
EX1608 TC, T2 – 208V
EX160 TC, T2 - 277 V
EX200 TC, T2 - 277 V
READ THE GENERAL SAFETY SECTION BEGINNING ON THE INSIDE COVER
AND THEN THIS ENTIRE MANUAL BEFORE INSTALLING OR OPERATING THIS
WATER HEATER. IF YOU DON’T FOLLOW THE SAFETY RULES, THE UNIT WILL
NOT OPERATE PROPERLY AND IT COULD CAUSE DEATH, SERIOUS BODILY
INJURY AND/OR PROPERTY DAMAGE. READ ALSO THE ENCLOSED
WARRANTY CARD. WARRANTY OF THIS WATER HEATER WILL DEPEND ON
PROPER INSTALLATION AND OPERATION. THE WARRANTY SHALL BE VOID IF
THE DESIGN HAS BEEN ALTERED IN ANY WAY WHATSOEVER. THE
MANUFACTURER OF THIS HEATER WILL NOT BE LIABLE FOR ANY DAMAGES
BECAUSE OF FAILURE TO COMPLY WITH THE INSTALLATION AND
OPERATING INSTRUCTIONS OUTLINED ON THE FOLLOWING PAGES.
THE INSTALLATION MUST CONFORM WITH THE INSTRUCTIONS IN THIS
MANUAL; ELECTRIC COMPANY RULES; AND THE LOCAL CODES, OR IN
THE ABSENCE OF LOCAL CODES, WITH THE LATEST EDITION OF THE
NATIONAL ELECTRICAL CODE. THIS PUBLICATION IS AVAILABLE FROM
YOUR LOCAL GOVERNMENT OR PUBLIC LIBRARY OR ELECTRIC COMPANY
OR BY WRITING UNDERWRITERS LABORATORIES, 333 PFINGSTEN ROAD
NORTHBROOK, IL, 60062.
WARNING
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EemaX EX190 TC Specifications

General

Power	19 kW
Voltage	380-415 V 3~
Water Connection	1/2 inch
Frequency	50/60 Hz
Safety Features	Overheat protection

Summary

General Safety

Critical Safety Warnings and Requirements

Covers essential safety points including independent circuits, grounding, proper installation, voltage, and electrical shock prevention.

Mounting the Unit

Mounting Position and Clearance Guidelines

Unit must be mounted vertically with fittings at the bottom and a minimum of 8" clearance above.

Water Inlet and Outlet Configuration

Specifies cold water inlet on the right and hot water outlet on the left; reversal is not permitted.

Pressure and Temperature Relief Valve (PTRV) Check

Advises checking local codes for PTRV requirements and proper installation location if needed.

Plumbing Hook-Up

Pipe Connections and Fitting Usage

Details the use of supplied 3/4" NPT fittings and prohibits pipe dope or soldering to the inlet/outlet.

Debris Management and Water Flow

Emphasizes clearing pipes of debris before connection and flushing the system to prevent flow switch damage.

Isolating Valves and Leak Testing Procedure

Instructs on installing isolating valves and performing thorough leak tests before electrical hook-up.

Electrical Hook-Up

Circuit Requirements and Breaker Specifications

Mandates independent circuits with correctly rated double pole (208/240V) or single pole (277V) breakers.

Wiring Connections and Grounding

Guides on connecting live wires to L1/L2, ground to GND, and stresses the critical importance of proper grounding.

Commissioning Your Heater

Air Purging and System Pressurization

Details opening hot water outlets to purge air and pressurize the system before energizing the heater.

Model-Specific Start-Up Procedures

Outlines procedures for 'T' models, including power indicator light behavior and temperature adjustment.

Temperature Adjustment and Flow Rate

Explains how to adjust temperature via screws and manage flow rate for optimal performance with mixer faucets.

Troubleshooting

Symptom 'A': No Heat - Indicator Light Off

Addresses issues like no electric supply, low water flow, reversed connections, burned-out elements, and tripped ECO.

Symptom 'B': No Heat or Low Temperature with Light On

Covers high water flow, incorrect power supply, burned-out elements, and thermostat adjustment issues.

EEMAX Replacement Parts Diagram

Heater Core and Relay Part Numbers

Lists part numbers for replacement heater core assemblies and relays based on model and voltage.

Wire Connector Identification

Identifies specific wire connectors (EX 100G, EX 284) used with the control board and modules.