Bradford White Kwickshot EFT-5500-4-S-10 Bedienungsanleitung

“THERMOSTATIC”

MODELS COVERED:

EFT-5500-4-S-10 240V

EFT-6500-4-S-10 240V

EFT-7500-4-S-10 240V

EFT-9500-4-S-10 240V

EFT-8300-2-S-10 208V

EFT-6000-5-S-10 277V

EFT-8000-5-S-10 277V

EFT-9000-5-S-10 277V

EFT-10000-5-S-10 277V

ELECTRIC INSTANTANEOUS WATER

HEATER

INSTALLATION GUIDEAND OWNERS MANUAL

READ THIS MANUAL CAREFULLY BEFORE ATTEMPTING TO INSTALL OR OPERATE

THIS WATER HEATING UNIT. IF YOU DO NOT FOLLOW THE SAFETY RULES, THE

UNIT WILLNOT OPERATE PROPERLY AND COULD CAUSE DEATH, SERIOUS

BODILY INJURY AND OR PROPERTY DAMAGE.

READ ALSO THE ENCLOSED WARRANTY CARD. WARRANTY OF THIS WATER

HEATING UNIT WILLDEPEND ON PROPER INSTALLATION AND OPERATION. THE

WARRANTYSHALL BE VOID IF THE DESIGN HAS BEEN ALTERED IN ANY WAY

WHATSOEVER. THE MANUFACTURER OF THIS UNIT WILLNOT BE LIABLE FOR

ANY DAMAGES BECAUSE OF FAILURE TO COMPLY WITHTHE INSTALLATION AND

OPERATING OUTLINED ON THE FOLLOWING PAGES.

THE INSTALLATION MUST CONFIRM WITH THE INSTRUCTIONS IN THIS MANUAL;

ELECTRIC COMPANY RULES; AND LOCAL CODES, OR IN THE ABSENCE OF LOCAL

CODES, WITHTHE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE. A

COPY OF THE NATIONAL ELECTRICAL CODE IS AVAILABLE FROM

UNDERWRITERSLABORATORIES, 333 PFINGSTEN ROAD, NORTHBROOK, IL,

60062.

IFASSISTANCE IS REQUIRED OR ANY QUESTIONS ARISE RELATING TO THE

INSTALLATION OR THE PERFORMANCE OF THIS UNIT, CONTACT TECHNICAL

SERVICE DEPARTMENT TOLL FREE AT 1-800-334-3393.

HAVE THE INFORMATION LISTED BELOW BEFORE CALLING:

MODEL NO. SERIAL NO. INSTALL DATE .

GENERAL

This “Thermostatic”water heating unit is specificallydesigned to take in cold or pre-heated water and

heat it to temperaturessuitable for domestic usage up to a maximumof 140°F (60°C). To obtain

optimumperformanceand energy savings. The unit should be locatedas near as possible to the point of

use.

The unit is supplied with compression rings and nuts suitable for direct coupling to standard 1/2”(5/8”

outside diameter) copper or plastic piping. There is no need for additionalscrewed fittingsand under no

circumstanceshall a blow torch be used on the pipe while the pipe is connected to the unit (serious

damageto the electronic flowswitch will result).

Also, ensure that pipes are clear of installationdebris before fittingto the unit.

THIS UNIT MUST HAVE ITS OWN INDEPENDENT CIRCUIT, USING CORRECTLY

RATED WIRESAND CIRCUIT BREAKERS. THE CIRCUIT SHOULD BE PROVIDED

WITHA “GROUND FAULT INTERUPTER”WHERE REQUIRED BY LOCAL, STATE

AND NATIONAL ELECTRICAL CODES.

MOUNTING THE UNIT

1) The unit should be mountedas close to the point of use as possible. For example,directly beneath a

sink is ideal. Do not install the unit abovea faucetas a siphoning effectwill drain the unit causing heating

elementburn out.

2) This unit must only be mountedin a verticalposition with the water fittingsat the bottom of the unit.

Mounting other than in the verticalposition WILLcause heating element burn out.

3) The cold water inlet is on the right hand side and the hot water outlet is on the left hand side(as viewed

fromthe front of the unit). Under NO circumstances can these be reversed.

4) Leave a minimumof 8’’ ABOVE the unit for easy replacementof the heating element.

5) The unit should be fixedto the wall using screws in the four mountingholes at each corner of the

backplate.

NOTE: The unit should be installed below the levelof all hot water outlets serviced by this unit.

NOTE: PRESSURE AND TEMPERATURE RELIEF VALVE

This unit is not required to havea Pressure and Temperaturesafety reliefvalve(PTPV).Consult

local codes to findout if one is required in your area. If local codes require the use of a

temperatureand pressure valveone should be installed on the hot water outlet pipe, beforethe

ball valve

FAILURE TO GROUND THIS UNIT MAY RESULT IN DEATH OR SERIOUS INJURY

Plumbing Connections

1) This unit is supplied with compression fittings,USE THESE; DO NOT USE TAPEREDTHREAD PIPE

FITTINGSAND DO NOT SOLDER PIPE TO THE INLET OR OUTLET(SEEFIGURE 1).

2) Ensure that the pipes are correctly alignedwith the inletand outlet bosses in order to avoid excessivestress

on the heater body molding.

NOTE: When soldering pipe joints, removethe unit from the wall. Serious damage can occur if any soldering is

done while pipes are connected to the unit. Run water through the supply pipe to removeall debris from the

pipe before connecting the unit. Failure to do so could cause damage to the flow switch.

3) Install isolating valves(full flow ball valvetype) in both the inlet and outletlines. This allows the unit to be

isolatedfor maintenance(figure2).

4) Whenall plumbingis complete,inspect the system forwater leaks at all the plumbingconnections. If a water

leak is present take correctiveaction. If a water leak is at the compression fitting,slowly tightencompression nut

until it the water leak ceases.. Fully open both inlet and outlet BALL VALVES.

Run all hot water outlets fedby this unit, one at a time until the water flow is continuous and free from“gulping”

and all visibleair pockets.

COLD WATER

INLET

COMPRESSION

FITTING

DO NOT SOLDER

1 1/2”

Figure 1

NOTE:

ALL MOUNTING AND PLUMBING MUST BE COMPLETED BEFORE PROCEEDING

WITH THE ELECTRICAL HOOK-UP.

TEST THE INSTALLATION FOR LEAKS BEFORE CONNECTING THE ELECTRICAL

SUPPLY.

HOT WATER

OUTLET

COMPRESSION

FITTING

DO NOT SOLDER

ELECTRICAL CONNECTIONS

WARNING

BEFORE BEGINNING ANY WORK ON THE INSTALLATION BE SURE THAT

SWITCH AT MAIN BREAKER PANEL IS “OFF”TO AVOID ANY DANGER OF

ELECTRICAL SHOCK.

This “Thermostatic”water heating unit must be wired on an independent circuit using

insulated, UL listed, 3 wire cable of the appropriate size protectedby the correctly rated

DOUBLEPOLE circuit breaker. Refer to Rating chart below for the required breaker and wire

size

RATINGS OF “EFT“UNITS

Units rated at 240 voltscan operate at 208V or 220V with reduced output.

1) Wire entry into the unit should be made through the lower right hand corner of the backplatevia

one of the “knockout”holes provided.

2) The “mains”wires should be connected to the slots in the terminal block marked L1 and L2(N).

Groundlead must be connected to slot markedGND.

DANGER

FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY.

1gpm 1.5gpm

EFT-5500-4-S-10 240 5500 23 38 25

EFT-6500-4-S-10 240 6500 27 44 30

EFT-7500-4-S-10 240 7500 32 51 34

EFT-9500-4-S-10 240 9500 40 65 43

EFT-8300-2-S-10 208 8300 39 55 36

EFT-6000-5-S-10 277 6000 22 41 27

EFT-8000-5-S-10 277 8000 29 54 36

EFT-9000-5-S-10 277 9000 32 61 41

EFT-10000-5-S-10 277 10000 36 86 46

Model Temp. Rise (°F) at:

Amps DrawnMax. Output (W)Voltage (V)

TERMINAL

BLOCK

ELECTRICAL

HOOK-UP

GROUND

TEMPERATURE

CONTROL

ADJUSTMENT

SCREW

HOT WATER OUTLET PRE-HEATED/COLDWATERINLET

MINIMUM

SETTING MAXIMUM SETTING

THE TEMPERATURE CONTROLLING

POTENTIOMETER IS A PRECISION

COMPONENT. ADJUST GENTLY AND

DO NOT TURN BEYOND THE MIN.

AND MAX. STOP POINTS

Note: 277V models, “L2”

terminalis replaced by

neutral “N”.

OPERATION

WARNING

HOUSEHOLDS WITH SMALL CHILDREN OR ELDERLY PERSONS MAY REQUIRE

WATEER TEMPERATURES OF 125°F OR LOWER TO PREVENT ACCIDENTAL

SCALDING FROM CONTACT WITH THE WATER.

1) Completely open both the inlet and outlet ball valvesat the unit.

2) Open all hot water outlet serviced by the unit. If the outlet is a mixertype adjust to the hottest

position. Run water until flow is continuousat all outlets.

3) Switch on electric supply at the circuit breaker panel. The power indicator lighton the unit should

now illuminate.NOTE: Watertemperaturemay not be hot at this time.

4) Using the outlet BALL VALVE, slowly reduce the water flowuntil the desired water temperatureis

achievedat the hot water outlet. This should be 120°F to 140°F without mixingwith cold water.

5) Turn the temperatureadjustmentscrew counter-clockwise about 1/8 of a turn. Wait10-15 seconds

for the indicator light to begin pulsing. If the indicator does not pulse, turn the temperatureadjustment

screw counter-clockwise another 1/8 of a turn. Again, wait 10-15 seconds for the indicator light to

begin pulsing. Repeat until the indicator lightis pulsing regularly. This indicates that the temperature

has stabilizedat the set temperature. Check that the water temperatureis sufficientfor the application.

The thermostat is now set and the water temperaturewill remain constant when the indicator light is

pulsing.

6) Check the performanceof the flow switch by opening and closing the faucet a few times.THE POWER,

INDICATOR LIGHT SHOULD ONLY ILLUMINATE WHENWATERIS FLOWINGTHROUGH THE UNIT.

7) For accurate water temperaturecontrol at a mixertype faucet (single spout ), the cold water supply to

the faucet should be restricted to give approximatelythe same flow rate of cold water to the faucetas

the hot water exiting the unit.The simplest method of achievingthis is by partially closing the cold

water valveunder the sink.

8) Drawing off cold water at comparativelyhigh rates of flow elsewhere in the building while unit is

heating water may starvethe unit of supply water. This may result in premature element failure. Care

should be taken not to starvethe unit of cold water. To preventthis from happening, open fullythe

mainvalvein the cold water supply to the building and throttle back the control valvesto the other cold

water outlets.

SYMPTOM POSSIBLE CAUSE SOLUTION

NO HEAT -

INDICATOR LIGHT

OFF

A) ELECTRICAL SUPPLY OFF

B) NO OR LOW WATERFLOW

C) WATERCONNECTION

REVERSED

D) ELEMENT BURNED OUT

TURN ON MAIN CIRCUIT BREAKER

MINIMUM WATERFLOW TO TURN ON UNIT IS 0.7

GALLON PER MINUTE. INCREASE FLOW TO AT

LEAST THIS LEVEL.

COLD WATERINLET-RIGHT SIDE. HOT WATER

OUTLET - LEFT SIDE. REFER TO FIG. 1

1) TURN MAIN BREAKER OFF

2) USING AN OHMMETER TEST RESISTENCE OF

THE HEATING ELEMENT AT TWOTERMINATION

RODS ON THE TOP OF ELEMENT. SEE FIGURE

BELOW.

3) OHMMETER SHOULD READ AS FOLLOWS:

- 6-7 OHMS

- 7-8 OHMS

- 10-11 OHMS

IF RESISTENCE OF THE ELEMENT IS MUCH

GREATER THAN THESE READINGS - CALL

TECHNICALSUPPORT.

NO HEAT OR LOW

TEMERATURE

INDICATOR LIGHT ON

A) WATERFLOW TOO

HIGH REDUCE WATERFLOW BY USING OUTLET BALL

VALVE.SEE ”RATINGS OF UNITS”TABLE 1- FOR

TEMPERATURERISE @ 1 GPM.

B) 110 VOLT POWER

SUPPLY INSTEAD OF 240

VOLTS

UNIT MUST BE CONNECTED TO 240 VOLT

POWERSUPPLY. SEE ELECTRICAL

CONNECTIONSSECTION OF MANUAL.

C) ELEMENT BURNED OUT 1) TURN MAIN BREAKER OFF

2) USING AN OHMMETER TEST RESISTENCE

OF THE HEATING ELEMENT AT TWO

TERMINATIONRODS ON THE TOP OF

ELEMENT. SEE FIGURE AT LEFT.

3) OHMMETER SHOULD READAS FOLLOWS:

- 6-7 OHMS

- 7-8 OHMS

- 10-11 OHMS

IF RESISTENCE OF THE ELEMENT IS MUCH

GREATER THAN THESE READINGS - CALL

TECHNICALSUPPORT.

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