EemaX EX160 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
1
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EemaX EX160 TC Specifications

General

Voltage	240 V
Water Connection	1/2" NPT
Frequency	60 Hz
Safety Features	Overheat Protection
Capacity	Tankless
Material	Copper
Thermostat	Adjustable
Power	16000W

Summary

EEMAX Series-Two Water Heaters: Installation Guide and Owner's Manual

Models Covered

Lists the specific Eemax Series-Two water heater models included in this manual.

Initial Safety Warning

Emphasizes reading the entire manual and safety warnings before installation or operation.

General Safety

Operating Safety Precautions

Details safe operating temperatures, pipe connections, electrical circuit requirements, grounding, and voltage usage.

Mounting the Unit

Mounting Location, Orientation, and Clearance

Specifies ideal mounting placement, vertical orientation, and required overhead clearance for optimal operation.

Fixing and Pressure Relief Valve (PTRV)

Details methods for securely fixing the heater and advises on PTRV requirements based on local codes.

Plumbing Hook-Up

Pipe Fittings, Connections, and Valves

Guides on using provided fittings, avoiding solder, ensuring pipe alignment, and installing isolating valves.

Leak Testing and Air Purging Procedures

Explains how to check for leaks, tighten fittings, and purge air from hot water outlets for proper function.

Electrical Hook-Up

Wiring, Circuits, and Breakers

Outlines heater specifications, required independent circuits, wire types, and appropriate circuit breakers.

Wire Connections and Grounding Safety

Instructs on connecting wires to terminal blocks and emphasizes the critical importance of proper grounding.

Commissioning Your Heater

Pre-Power Checks and Air Purging

Ensures the hot water circuit is free of air pockets before powering on to prevent element failure.

Commissioning 'T' Models

Details step-by-step procedures for powering on, adjusting flow, and setting the thermostat for 'T' model heaters.

Commissioning 'T2' Models

Explains the process for powering on, flow adjustment, and achieving the target temperature for 'T2' model heaters.

Temperature Adjustment and Flow Control

Guides on adjusting temperature settings and controlling cold water flow for optimal performance with mixer faucets.

Troubleshooting

No Heat - Indicator Light Off

Addresses issues like no electric supply, low water flow, reversed connections, burned-out elements, or tripped eco-thermostats.

No Heat or Low Temperature with Light On

Covers problems such as high water flow, incorrect power supply, burned-out elements, or improperly adjusted thermostats.

Replacement Parts and Diagrams

Heater Components and Wiring Diagram

Illustrates key internal components like the heater core, ECO reset, and control board, showing wiring connections.

Replacement Part Numbers

Provides part numbers for heater core assemblies and relays for various models and voltages.

Circuit Board Diagram

Circuit Board Component Layout

Shows the detailed wiring and component connections on the circuit board for different wire count models.