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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. EX380         INSTALLATION DATE

EEMAX “FOUR MODULE, SINGLE PHASE”

WATER HEATERS

MODELS COVERED:- EX380T2T2 -220/240 V

EX380T4 - 220/240 V
SPECIAL_________,______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

Summary of Contents for EX380T2T2

Page 1: ...ILL 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 INST...

Page 2: ...20 240V CIRCUITS USING CORRECTLY RATED WIRES AND CIRCUIT BREAKERS WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE REFER TO THIS MANUAL FOR ASSISTANCE OR CONSULT THE LOCAL ELECTRIC UTILITY FOR FURTHER INFORMATION FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY WARNING WARNING WATER HEATERS EQUIPPE...

Page 3: ...the backplate Unit weight is approximately 15 lbs Use an appropriate fastener for this weight For the unit to be mounted against hollow walls suggest using steel wall anchors with the correct grip range and 6 32 screw size minimum NOTE The heater should be installed below the level of all hot water outlets serviced by this heater NOTE PRESSURE AND TEMPERATURE RELIEF VALVE These units are not requi...

Page 4: ...UM 8 CLEARANCE ABOVE UNIT 4 Figure 1A MOUNTING HOLES To 4 Independent circuit breakers serial LUG TERMINALS AT RELAYS ELECTRICAL HOOK UP 220 240 V L1 L2 C B 2 L1 L2 C B 3 L1 L2 C B 4 L1 L2 C B 1 GROUND LUGS ...

Page 5: ... tape only No pipe dope NPT Elbow s Union Threaded type Teflon tape only No pipe dope NOTE When soldering pipe joints remove heater from the wall Serious damage can occur if any soldering is done while pipes are connected to the heater Take care to ensure that the pipes are correctly aligned with the inlet and outlet bosses in order to avoid excessive stress on the heater body molding Pipe support...

Page 6: ...cting the heater Failure to do so could cause damage to the flow switch 3 Install isolating valves full flow ball valve type on both inlet and outlet pipes This allows unit to be isolated for maintenance purposes Fig 1B 4 When all plumbing is complete fully check the system for water leaks at all the plumbing connections If a leak is present take corrective action Fully open both inlet and outlet ...

Page 7: ...vided in the flange on the backplate The live wires should be connected to the slots in the terminal block marked L1 and L2 The ground lead must be connected to the slot marked GND GROUND MUST BE BROUGHT TO THE GROUND AT THE CIRCUIT BREAKER PANEL DANGER FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY Units rated of 240 V can operate at 220 V with reduced output The output will v...

Page 8: ...ections the first unit is the right hand heating module and the second unit is the right center far left hand is the forth heating module IV COMMISSIONING YOUR HEATER T2T2 MODELS a Switch on the power to the first unit The power indicator light should illuminate b Switch on the power to the second unit again the power indicator lights should illuminate Note These lights should pulse On and Off at ...

Page 9: ...When it is pulsing the unit is modulating the power to achieve the temperature set by means of the temperature adjustment screw ALL HEATERS In order to obtain good control at single lever mixer type faucets single spout the cold water supply to the faucet should be restricted to give approximately the same flow rate of cold water to the faucet as the hot water coming from your Eemax heater The sim...

Page 10: ...lement 5 ECO TRIPPED High Limit Thermostat TURN OFF THE FOUR MAIN CIRCUIT BREAKERS Reset by pushing in red button on each heater module SYMPTOM B NO HEAT OR LOW TEMPERATURE WITH INDICATOR LIGHT ON 1 WATER FLOW TOO HIGH Reduce the water flow by using an outlet ball valve See page 9 for temperature rise at various flow rates 2 INCORRECT POWER SUPPLY Make sure that the unit is connected to the voltag...

Page 11: ...HEATER CORE ASSEMBLY EEMAX REPLACEMENT PARTS DIAGRAM CONTROL BOARDS 7 Wire EX 100G EEMAX INC 353 Christian Street Oxford CT 06478 Tel 203 267 7890 11 To 4 Independent circuit breakers serial 8 Wire EX 284 ECO High Limit Thermostat Push to Reset ...

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