Installation guide

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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

Summary of content (11 pages)

PAGE 1
EEMAX “FOUR MODULE, SINGLE PHASE” WATER HEATERS ELECTRIC INSTANTANEOUS WATER HEATER INSTALLATION GUIDE AND OWNERS MANUAL MODELS COVERED:- EX380T2T2 -220/240 V EX380T4 - 220/240 V SPECIAL_________,______V WARNING 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.
PAGE 2
GENERAL SAFETY The “Eemax Four Module, Single Phase” heater is specifically designed to take in cold water and heat it to temperatures suitable for normal domestic usage up to a maximum of 140 F(60 C). To obtain optimum performance and energy savings, the unit should be located as near as possible to the point of use.
PAGE 3
I. MOUNTING THE UNIT 1) The unit should be mounted as close to the point of use as possible. Do not install the heater above a faucet or “point of use” because the siphoning effect may drain the heater which can cause premature element burn out. 2) This unit must only be mounted in a vertical position with the water fittings located at the bottom of the unit. Mounting other than in the vertical position WILL cause element burn out and cause permanent damage to the water heater.
PAGE 4
MINIMUM - 8” CLEARANCE ABOVE UNIT serial # MOUNTING HOLES LUG TERMINALS AT RELAYS L1 L2 C/B #2 L1 L2 C/B #1 L1 L2 C/B #4 L1 L2 C/B #3 GROUND LUGS To 4 Independent circuit breakers Figure 1A 4 ELECTRICAL HOOK-UP 220/240 V
PAGE 5
MINIMUM - 8” CLEARANCE ABOVE UNIT EemaX Union Threaded type Teflon tape only No pipe dope NPT Elbow(s) Pipe support Outlet Isolating Ball Valve (throttle open just enough to obtain adequate flow of hot water) Pipe support Inlet isolating valveball valve. (Always leave fully open when unit is in service.) Union Threaded type Teflon tape only No pipe dope NOTE: When soldering pipe joints remove heater from the wall.
PAGE 6
II. PLUMBING HOOK-UP 1) The unit is supplied with ¾’’ NPT fittings (Figure 3), USE THESE. DO NOT USE PIPE DOPE AND DO NOT SOLDER TO THE INLET OR OUTLET. 2) 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. 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.
PAGE 7
III. ELECTRICAL HOOK-UP WARNING BEFORE BEGINNING ANY WORK ON THE ELECTRICAL INSTALLATION, BE SURE THE SWITCH AT MAIN BREAKER PANEL IS “OFF” TO AVOID ANY DANGER OF ELECTRICAL SHOCK. “Four Module, Single Phase” heaters are manufactured to the following specifications: Figure 4 MODEL TYPE OUTPUT / kW VOLTAGE / V AMPERAGE EX380T2T2 38 * 240 4 x 39 AMPS EX380T4 38 * 240 4 x 39 AMPS SPECIAL * Units rated of 240 V can operate at 220 V with reduced output.
PAGE 8
IV COMMISSIONING YOUR HEATER IMPORTANT BEFORE SWITCHING “ON” THE POWER AT THE MAIN CIRCUIT BREAKER PANEL MAKE SURE THAT THE HOT WATER CIRCUIT IS FREE OF AIR POCKETS OR ELSE PREMATURE FAILURE OF THE ELEMENT WILL OCCUR. TO DO THIS OPEN ALL HOT WATER OUTLETS ONE AT A TIME FOR A MINUTE OR TWO UNTIL THE WATER FLOW IS CONTINUOUS AND FREE FROM “GULPING” AND FREE FROM VISIBLE AIR POCKETS. 1) Open fully both inlet and outlet valves at the heater. 2) Open any hot water outlet in the system.
PAGE 9
For “T2T2” Models If a lower temperature is required, turn the temperature adjustment screw(s) counter-clockwise about 1/8 of a turn (See Figure). Wait 15-20 seconds and check the temperature at the fixture. Repeat this process until the desired temperature has been achieved. (For T2T2 models try to adjust both temperature adjustment screws by about the same amount so that the lights pulse at the same rate.
PAGE 10
TROUBLESHOOTING SYMPTOM “A”: NO HEAT INDICATOR LIGHT OFF 1) ELECTRIC SUPPLY IS OFF Turn on the FOUR main circuit breakers. 2) NO OR LOW WATER FLOW Ensure that the minimum flow rate to switch on your heater is met. “T2T2” Models minimum flow rate = 0.85 gallons per minute. Also check that the inlet filter screen is clear from any debris. This is located in the brass inlet boss. 3) WATER CONNECTIONS ARE REVERSED Cold water inlet = right side, hot water outlet = left side.
PAGE 11
EEMAX REPLACEMENT PARTS DIAGRAM serial # REPLACEMENT HEATER CORE ASSEMBLY Triac - EX 18 EX630 - 9.5 KW @ 240 V ECO (High Limit Thermostat) Push to Reset CONTROL BOARDS 7 - Wire EX 100G 8 - Wire EX 284 To 4 Independent circuit breakers EEMAX INC.