STIEBEL ELTRON SHC4 User Manual

OPERATION AND INSTALLATION INSTRUCTIONS FOR THE LICENSED PLUMBER INSTRUCCIONES DE FUNCIONAMIENTO E INSTALACIÓN PARA EL PLOMERO MATRICULADO MODE D’EMPLOI ET DIRECTIVES D’INSTALLATION INSTALLATION À L’INTENTION DES PLOMBIERS AGRÉÉS

MINI-TANK ELECTRIC WATER HEATERS CALENTADORES DE AGUA ELÉCTRICOS DE MINI-TANQUE CHAUFFE-EAU ÉLECTRIQUES À MINI-RÉSERVOIR

» SHC 2.5 » SHC 4

Conforms to ANSI / UL 174 Certiﬁed to CAN/ CSA C22.2 No. 110

Conforme a ANSI/UL Std. 174 Certiﬁcación con CAN/CSA Std. C22.2 No. 110

Conforme à la norme ANSI/UL Std. 174 Certiﬁé à la norme CAN/CSA Std. C22.2 No. 110

Tested and certiﬁed by WQA to NSF/ANSI372 for lead free compliance.

Probado y certiﬁcado por WQA NSF/ANSI 372 para el cumplimiento de las regulaciones sin plomo.

Testé et certiﬁé par WQA à la NSF/ANSI 372 pour une utilisation sans plomb.

TABLE OF CONTENTS | OPERATION | INSTALLATION

1. General Information �� 3

2. Safety Precautions �� 3

3. Register your product �� 4

4. General Description �� 4

5. Technical Description �� 4

6. Technical Data �� 5

6.1 Dimensions, SHC 2.5 ��5

6.2 Dimensions, SHC 4 ��5

7. General Recommendations �� 6

8. Mounting the Unit �� 6

9. Plumbing Connections �� 6

9.1 Filling the Water Heater ��7

10. Electrical Connection �� 7

10.1 Electrical diagram ��8

11. Settings �� 8

12. Maintenance Instructions �� 8

12.1 Draining the water heater ��9

12.2 Removing the cover ��9

12.3 Removing the heating element ��9

12.4 De-scaling the heating element ��9

12.5 Replacing the heating element ��9

12.6 Changing the anode rod �� 10

12.7 Safety Shut-off �� 10

13. Limited Warranty ��11

IMPORTANT SAFETY INSTRUCTIONS

WARNING:

!

WHEN USING ELECTRICAL APPLIANCES, BASIC SAFETY PRECAUTIONS TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS SHOULD BE FOLLOWED, INCLUDING:

1. READ ALL INSTRUCTIONS BEFORE USING THE WATER HEATER.

2. This water heater must be grounded. Connect only to properly grounded outlet. See the special grounding instructions in chapter 10, “Electrical Connection”, pg. 7-8.

3. Install or locate this water heater only in accordance with the provided installation instructions.

4. Use this water heater only for its intended use as described in this manual.

5. Do not use an extension cord with this water heater. If no receptacle is available adjacent to the water heater, contact a qualiﬁed electrician to have one properly installed.

6. As with any appliance, close supervision is necessary when used by children.

7. Do not operate this water heater if it has a damaged cord or plug, if it is not working properly, or if it has been damaged or dropped.

8. This water heater should be serviced only by qualiﬁed service personnel. Contact nearest authorized service facility for examination, repair, or adjustment.

SAVE THESE INSTRUCTIONS

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OPERATION

General Information

1. General Information

CAUTION:

!

TO REDUCE THE RISK OF EXCESSIVE PRESSURES AND TEMPERATURES IN THIS WATER HEATER, INSTALL TEMPERATURE AND PRESSURE PROTECTIVE EQUIPMENT REQUIRED BY LOCAL CODES AND NO LESS THAN A COMBINATION TEMPERATURE AND PRESSURE RELIEF VALVE CERTIFIED BY A NATIONALLY RECOGNIZED TESTING LABORATORY THAT MAINTAINS PERIODIC INSPECTION OF PRODUCTION OF LISTED EQUIPMENT OR MATERIALS, AS MEETING THE REQUIREMENTS FOR RELIEF VALVES AND AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS, ANSI Z21.22. THIS VALVE MUST BE MARKED WITH A MAXIMUM SET PRESSURE NOT TO EXCEED THE MARKED MAXIMUM WORKING PRESSURE OF THE WATER HEATER. INSTALL THE VALVE INTO AN OPENING PROVIDED AND MARKED FOR THIS PURPOSE IN THE WATER HEATER, AND ORIENT IT OR PROVIDE TUBING SO THAT ANY DISCHARGE FROM THE VALVE EXITS ONLY WITHIN 6 INCHES ABOVE, OR AT ANY DISTANCE BELOW, THE STRUCTURAL FLOOR, AND DOES NOT CONTACT ANY LIVE ELECTRICAL PART. THE DISCHARGE OPENING MUST NOT BE BLOCKED OR REDUCED IN SIZE UNDER ANY CIRCUMSTANCES.

Read this entire manual. Failure to follow all the guides, instructions and rules could cause personal injury or property damage. Improper installation, adjustment, alteration, service and use of this unit can result in serious injury.

This unit must be installed by a licensed electrician and plumber. The installation must comply with all national, state and local plumbing and electric codes. Proper installation is the responsibility of the installer. Failure to comply with the installation and operating instructions or improper use voids the warranty.

1. Do not locate the water heater where water lines could be subject to freezing temperatures.

2. It is recommended to have a ﬂoor drain nearby to permit easy draining of the unit if necessary.

3. Install the water heater so that in the event of a leak, the resulting ﬂow of water will not cause damage to the area around the water heater. Under no condition is the manufacturer liable for any water damage in connection with this water heater.

4. When installing the water heater, ensure that clearance around the unit is provided, for ease of maintenance and service.

THIS IS THE SAFETY ALERT SYMBOL.

!

IT IS USED TO ALERT YOU TO POTENTIAL PERSONAL INJURY HAZARD. OBEY ALL SAFETY MESSAGES THAT FOLLOW THIS SYMBOL TO AVOID POSSIBLE INJURY OR DEATH.

2. Safety Precautions

PLEASE READ AND FOLLOW THESE INSTRUC-

!

TIONS. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN SERIOUS BODILY INJURY OR DEATH.

THE UNIT MUST BE INSTALLED BY A LICENSED PLUMBER. THE INSTALLATION MUST COMPLY WITH ALL NATIONAL, STATE AND LOCAL PLUMBING AND ELECTRIC CODES.

SERVICE OF THE UNIT MUST BE PERFORMED BY A QUALIFIED SERVICE AGENCY.

BEFORE PROCEEDING WITH ANY INSTALLATION, ADJUSTMENT, ALTERATION, OR SERVICE OF THIS UNIT THE POWER CORD SHOULD BE UNPLUGGED. FAILURE TO DO SO COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH.

ENGLISH

Save these instructions for future reference. The installer should leave these instructions with the consumer.

If you have any questions regarding the installation, use or operation of this water heater, or if you need any additional installation manuals, please call our technical service line at 800-582-8423 (USA and Canada only). If you are calling from outside the USA or Canada, please call 413-247-3380 and we will refer you to a qualiﬁed Stiebel Eltron service representative in your area.

www.stiebel-eltron-usa.com SHC 2.5 / SHC 4 | 3

NEVER REMOVE THE UNIT‘S COVER UNLESS THE ELECTRICITY SERVICING THE UNIT IS TURNED OFF. FAILURE TO DO SO COULD RESULT IN PERSONAL INJURY OR DEATH.

DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.

OPERATION

Register your product

DANGER:

!

WATER TEMPERATURES OVER 125 °F (52 °C) CAN CAUSE SEVERE BURNS INSTANTLY OR DEATH FROM SCALDING. A HOT WATER SCALDING POTENTIAL EXISTS IF THE THERMOSTAT ON THE UNIT IS SET TOO HIGH. HOUSEHOLDS WITH SMALL CHILDREN, DISABLED OR ELDERLY PERSONS MAY REQUIRE THAT THE THERMOSTAT BE SET AT 120 °F (49 °C) OR LOWER TO PREVENT POSSIBLE INJURY FROM HOT WATER.

WARNING:

!

THIS WATER HEATER MUST BE INSTALLED STRICTLY IN ACCORDANCE WITH THE INSTRUCTIONS ENCLOSED AND LOCAL ELECTRIC AND BUILDING CODES. IT IS ALSO POSSIBLE THAT CONNECTIONS TO THE WATER HEATER ITSELF MAY DEVELOP LEAKS. IT IS THEREFORE IMPERATIVE THAT THE WATER HEATER BE INSTALLED SO THAT ANY WATER IS DIRECTED TO AN ADEQUATE DRAIN IN SUCH A WAY THAT WATER DAMAGE TO THE BUILDING, FURNITURE, CARPETING OR OTHER PROPERTY CANNOT OCCUR. NEITHER THE MANUFACTURER NOR THE DISTRIBUTOR CAN BE HELD RESPONSIBLE FOR DAMAGE CAUSED BY WATER FROM THE WATER HEATER, TEMPERATURE PRESSURE RELIEF VALVE, OR RELATED FITTINGS WHERE ADEQUATE PROVISION TO DRAIN SUCH WATER HAS NOT BEEN PROVIDED.

3. Register your product

NOTE: You must register this product within 90 days of purchase on our web site in order to activate any standard warranty or to be eligible for the extended warranty. Go to our website at: www.stiebel-eltron-usa.com and click on “Register Your Product.”

Before beginning the registration process, we suggest that you gather the necessary information as follows:

Model, Example: SHC 2.5 (from the label that is on the top of the unit in the center) Number listed after “Nr.” Place of Purchase Purchase Date First & Last Name Email address Physical Address Phone Number

If you have any questions concerning the registration process or warranty options, please contact Stiebel Eltron USA directly at (800)-582-8423.

4. General Description

CAUTION:

!

HYDROGEN GAS CAN BE PRODUCED IN A HOT WATER SYSTEM SERVED BY THIS HEATER THAT HAS NOT BEEN USED FOR A LONG PERIOD OF TIME (GENERALLY 2 WEEKS OR MORE). HYDROGEN GAS IS EXTREMELY FLAMMABLE. TO REDUCE THE RISK OF INJURY UNDER THESE CONDITIONS, IT IS RECOMMENDED THAT THE HOT WATER FAUCET BE OPENED FOR SEVERAL MINUTES AT THE KITCHEN SINK BEFORE USING ANY ELECTRICAL APPLIANCE CONNECTED TO THE HOT WATER SYSTEM. WHEN HYDROGEN IS PRESENT, THERE WILL PROBABLY BE AN UNUSUAL SOUND SUCH AS AIR ESCAPING THROUGH THE PIPE AS THE WATER BEGINS TO FLOW. THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN.

These SHC water heaters can be used in most pointof-use applications. They are designed to supply hot water for hand wash and kitchen sinks in a residential, commercial or industrial environment.

These water heaters can replace traditional hot water systems which consist of a central hot water heater with hot water piping going to several draw-off points.

The SHC water heaters are lightweight and compact and manufactured for easy installation. The units are designed to be mounted on the wall. These units are designed to operate under normal street water pressure.

5. Technical Description

The pressure vessel of the water heater is welded glasslined steel and is equipped with a sacriﬁcial anode rod. The thermal insulation is made of polystyrene.

The water heater is equipped with both a thermostat and a high limit temperature switch. A temperature/ pressure relief valve is supplied with the unit.

4 | SHC 2.5 / SHC 4 www.stiebel-eltron-usa.com

INSTALLATION

18 11/16″ (475)

19 3/4″ (501)

Technical Data

6. Technical Data

SHC 2.5 SHC 4

Item No. 233219 234046 Voltage 110–120 V 110-120 V Wattage 1300 W 1300 W Amperage 11.3 A 11.3 A Phase Single, 1/N/PE Single, 1/N/PE Frequency 50/60 Hz 50/60 Hz Type of installation Under sink Under sink Internal tank material Steel Steel Enclosure material Plastic Plastic Thermal insulation material Polystyrene Polystyrene Color white white Nominal water volume 2.65 gal 10 l 4 gal 15 l Standby energy loss Recovery time 18 minutes 27 minutes Temperature setting range 86–14 0 °F 30–60 °C 86–14 0 °F 30–60 °C Maximum operating pressure 150 psi 1.0 MPa 150 psi 1.0 MPa Weight empty 15.9 lbs 7.2 kg 19.8 lbs 9.0 kg Weight full 38.6 lbs 17.5 kg 52.9 lbs 24.0 kg Water connections 1/2˝ NPT 1/2˝ NPT

1

Measured at 131°F / 55°C s et point temperature in 68°F / 20 °C ambient air temperature.

6.1 Dimensions, SHC 2.5

1

0.37 kWh/day 0.39 kWh/day

6.2 Dimensions, SHC 4

12 5/8″ (320)

1 15/16" (49)

7 7/8" (200)

3 15/16" (100)

Hot Water

Outlet

1/2″ NPT

male thread

in. (mm)

15/16″ (23)13 7/16″ (342)

Cold Water

Inlet

1/2″ NPT

male thread

12 1/2″ (318)

3 1/8″ (80)

ENGLISH

1 3/4" (45)

Hot Water

Outlet

1/2″ NPT

male thread

in. (mm)

11″ (280)

5 1/2" (140)

1 1/16″ (26.5)12 5/8″ (320)

3 15/16" (100)

Cold Water

Inlet

1/2″ NPT

male thread

10 5/8″ (270)

3 1/8″ (80)

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INSTALLATION

General Recommendations

7. General Recommendations

The installation must be carried out by licensed professionals. All state and local codes must be adhered to.

The manufacturer will not be liable for any damages because of failure to comply with these installation instructions or because of improper installation performed by an unqualiﬁed installer.

NOTE: Choose a location that allows easy access for maintenance or servicing. The water heater should be installed with at least 8˝ of clearance on the top and sides of the unit.

8. Mounting the Unit

NOTICE:

!

UNIT MUST BE INSTALLED IN A VERTICAL POSITION WITH THE WATER FITTINGS POINTING UPWARD.

WARNING: DO NOT INSTALL UNIT WHERE IT WOULD ROUTINELY BE SPLASHED WITH WATER. ELECTRIC SHOCK MAY RESULT.

CAUTION: HOT WATER OUTLET PIPES LEAVING UNIT CAN BE HOT TO THE TOUCH. INSULATION MUST BE USED FOR HOT WATER PIPES BELOW A HEIGHT OF 36˝ DUE TO BURN RISK TO CHILDREN.

NOTICE:

!

THIS UNIT SHOULD NOT BE INSTALLED IN A LOCATION WHERE IT MAY BE EXPOSED TO FREEZING TEMPERATURES (LESS THAN 36°F [2°C]). IF THE UNIT MAY BE SUBJECT TO FREEZING TEMPERATURES, ALL WATER MUST BE DRAINED FROM THE UNIT. FAILURE TO COMPLY WITH THIS INSTRUCTION VOIDS ALL WARRANTIES.

THE UNIT SHOULD BE LOCATED IN AN AREA WHERE WATER LEAKAGE FROM THE UNIT OR CONNECTIONS WILL NOT RESULT IN DAMAGE TO THE AREA ADJACENT TO THE UNIT. IF SUCH A LOCATION CANNOT BE AVOIDED IT IS RECOMMENDED THAT A DRAIN PAN BE INSTALLED UNDER THE UNIT.

1. Drill two (2) 1/4 inch holes in the wall where the water heater will be mounted.

2. Install plastic wall anchors.

3. Fasten wall mounting bracket to the wall.

4. Hook water heater to the mounting bracket.

5. Pull downwards on the water heater to properly seat it on the bracket.

9. Plumbing Connections

IMPORTANT:

!

IF WATER PIPES ARE OF COPPER OR BRONZE, USE DIELECTRIC CONNECTIONS TO PREVENT HEATER CORROSION. FAILURE TO PROVIDE DIELECTRIC INSULATION MAY RESULT IN PREMATURE TANK OR NIPPLE FAILURE AND MAY VOID YOUR WARRANTY.

NOTICE:

!

HARD WATER OR WATER WITH A HIGH MINERAL COUNT MAY DAMAGE THE UNIT. DAMAGE TO THE UNIT CAUSED BY SCALE OR A HIGH MINERAL COUNT IS NOT COVERED UNDER THE WARRANTY.

CAUTION: TO REDUCE THE RISK OF EXCESSIVE TEMPERATURE AND PRESSURE IN THE WATER HEATER, A COMBINATION TEMPERATURE/PRESSURE (T&P) RELIEF VALVE IS SUPPLIED WITH THE WATER HEATER AND MUST BE INSTALLED.

CAUTION: ALWAYS FILL THE UNIT’S TANK WITH WATER BEFORE PLUGGING THE WATER HEATER’S CORD INTO AN ELECTRICAL OUTLET. FAILURE TO DO SO WILL RESULT IN PERMANENT DAMAGE TO THE WATER HEATER.

NOTICE:

!

WHEN A WATER HEATER IS INSTALLED IN A CLOSED WATER-SUPPLY SYSTEM, SUCH AS ONE HAVING A BACK-FLOW PREVENTER IN THE COLD- WATER SUPPLY, MEANS SHALL BE PROVIDED TO CONTROL THERMAL EXPANSION. CONTACT THE WATER SUPPLIER OR LOCAL PLUMBING INSPECTOR FOR INFORMATION REGARDING THE CONTROL OF THIS SITUATION.

Connect the cold water pipe to the cold water connection on the unit (blue). Connect the hot water pipe to the hot water connection on the unit (red).

6 | SHC 2.5 / SHC 4 www.stiebel-eltron-usa.com

INSTALLATION

Electrical Connection

Ensure that the water heater is installed in a level position.

Install a shut-off on the cold water side of the water heater. This is for emergency shut-off. It must be kept open when the water heater is operating.

When using copper piping, solder a piece of tubing to a threaded ﬁtting (union) before screwing the adapter to the tank.

BRAIDED FLEX HOSE CONNECTORS ARE ALSO RECOMMENDED.

DO NOT APPLY HEAT DIRECTLY TO INLET OR OUTLET CONNECTIONS.

A certiﬁed T&P valve is supplied with the water heater and must be installed. After all plumbing work has been completed, the T&P valve needs to be checked for proper tightness.

During heating, the water volume and water pressure increases in the tank. It is possible for water to leak from the safety valve, this is normal.

1

3

2

lief valves and automatic shut-off devices for hot water supply systems ANSI Z21.22.

The T&P valve is marked with a maximum pressure, which does not exceed the maximum working pressure of the water heater (150 PSI).

THE DISCHARGE PIPE

- Must not be smaller in size than the outlet pipe size of the valve, or have reducing couplings.

- Must not be plugged or blocked.

- Must be of material suitable for hot water.

- Must not be over ﬁfteen feet (15´) in length.

- Must not have more than two elbows.

- Must terminate at an adequate drain.

- Must not have a valve between the relief valve and the tank.

9.1 Filling the Water Heater

To ﬁll the water heater:

1. Open the hot water faucet.

2. Open the cold water supply valve.

3. When water runs out of the faucet, the tank is ﬁlled.

4. Close the hot water faucet.

5. Check entire system for leaks.

ENGLISH

4

1. Temperature/Pressure relief valve

2. Hot water outlet

3. Cold water inlet

4. Discharge pipe

Install a discharge pipe from the relief valve terminating at a sink or drain. Orient the tubing so that discharge will exit within 6˝ (152 mm) above or at any distance below the structural ﬂoor, and cannot contact any live electrical parts.

DO NOT CAP OR THREAD THE END OF THE DISCHARGE PIPE, IT MUST BE UNOBSTRUCTED AND FULL SIZE.

The T&P valve is certiﬁed by a nationally recognized test laboratory that maintains periodic inspection of the listed equipment, and meets the requirements for re-

10. Electrical Connection

CAUTION:

!

ALWAYS FILL THE UNIT’S TANK WITH WATER BEFORE PLUGGING THE WATER HEATER’S CORD INTO AN ELECTRICAL OUTLET. FAILURE TO DO SO WILL RESULT IN PERMANENT DAMAGE TO THE WATER HEATER.

NOTICE: THE WATER HEATER MUST BE CONNECTED TO A GROUNDED OUTLET.

THIS WATER HEATER WAS DESIGNED FOR USE AT 110 - 120V. DO NOT USE THIS WATER HEATER WITH ANY OTHER VOLTAGE. FAILURE TO USE THE CORRECT VOLTAGE MAY RESULT IN PERSONAL INJURY OR PROPERTY DAMAGE.

THE HEATER IS SUPPLIED WITH AN ELECTRICAL CABLE WITH A PLUG. IF THE CABLE IS DAMAGED OR LENGTH NOT SUFFICIENT, IT MUST BE REPLACED BY A LICENSED ELECTRICIAN.

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INSTALLATION

Settings

To be certain that all the air is out of the system, open the hot water faucet on your ﬁxtures until constant water ﬂows from them. Otherwise, damage to the device may occur.

Connect the water heater to a GROUNDED OUTLET. The unit is ﬁtted with a power cord to connect the water

heater to a receptacle. State and local codes must be adhered to. Install the correct breaker at the circuit breaker panel.

The water heater was manufactured and wired in accordance with the UL requirements.

A temperature high limit with manual reset has been factory installed to interrupt the power supply in the event of a thermostat failure.

DO NOT use this water heater with any other voltage. Failure to use the correct voltage may result in personal injury or property damage.

10.1 Electrical diagram

1

The water heater thermostat can be set to guard against freezing. This position keeps the internal temperature above the freezing point.

The piping outside of the water heater and the faucet are not protected against freezing.

Freeze protection setting

D0000034989

Temperature setting

The water heater thermostat is factory set at 120°F (49°C).

2

1 2

3

4

A B

L

1. Heating element

2. Lamp indicator

3. Cut-off

4. Thermostat

5. Tank

N PE

5

11. Settings

The water heater is equipped with an adjustable thermostat that automatically controls the water temperature. The indicator lamp remains lit only when the water is being heated.

The temperature is adjusted by turning the knob counterclockwise (to the left) to increase the temperature and clockwise (to the right) to decrease the temperature.

12. Maintenance Instructions

WARNING:

!

BEFORE SERVICING OR CLEANING THE WATER HEATER, DISCONNECT THE WATER HEATER FROM THE ELECTRICAL OUTLET.

THE TEMPERATURE/PRESSURE RELIEF VALVE MUST BE MANUALLY OPERATED AT LEAST ONCE PER YEAR. CAUTION SHOULD BE TAKEN TO ENSURE THAT:

1. NO ONE IS NEAR THE TEMPERATURE/PRESSURE RELIEF VALVE DISCHARGE PIPE.

D0000035810

Do not attempt to repair the water heater. Call your licensed plumber or electrician for service.

Unplug the unit whenever the water supply is turned off. Before calling for service, make sure that:

Approximately every two years, it is advisable to descale the heating element and to check the condition of the magnesium anode, replacing it if the diameter is less than 5/16˝ (8 mm). (See 12.6, “Changing the anode rod”, pg. 10).

2. THE WATER DISCHARGED WILL NOT CAUSE ANY BODILY INJURY OR PROPERTY DAMAGE. THE WATER MAY BE EXTREMELY HOT.

1. The heater is properly ﬁlled.

2. The electrical supply has not been interrupted.

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INSTALLATION

Maintenance Instructions

The temperature/pressure relief valve must be manually operated at least once per year. Caution should be taken to ensure that:

1. No one is near the temperature/pressure relief valve discharge pipe.

2. The water discharged will not cause any bodily injury or property damage. The water may be extremely hot.

If the valve fails to completely reset and continues to release water after manual operation, immediately close the cold water inlet to the heater. Replace the temperature/pressure valve with a new one.

Failure to install and maintain a properly functioning and properly listed temperature/pressure relief valve will release the manufacturer and distributor of this water heater from any claim which might result from excessive temperature or pressure.

12.1 Draining the water heater

Some service work requires draining the water heater. This should be done in the following manner:

1. Unplug the water heater.

2. Open the hot water faucet to let the hot water out. Let it continue to ﬂow until cold water runs from the faucet.

3. Turn off the cold water supply to the heater.

4. Close the hot water faucet

5. Disconnect the heater from both the hot and cold water pipes.

6. Carefully detach the water heater from the wall.

7. Tilt the water heater to drain out the remaining water.

12.2 Removing the cover

1. Remove the temperature control knob from the top of the unit.

2. Remove the screws from the cover.

3. Remove the cover by tilting the bottom side and lifting off the cover. Cover should come right off.

12.3 Removing the heating element

1. Unplug and drain the water heater (See 12.1, “Draining the water heater”, pg. 9).

2. Remove the cover (See 12.2, “Removing the cover”, pg. 9).

3. Disconnect the line wires from the thermostat.

4. Remove the thermostat from the heating element.

5. Using a suitable wrench, unscrew the heating element.

6. Remove the heating element from the tank.

12.4 De-scaling the heating element

Scale deposit can affect the heating capacity of the heating element. Scale can even cause the element to burn out. The element can be descaled either chemically or manually.

1. Remove the heating element (See 12.3, “Removing the heating element”, pg. 9).

2. To descale chemically, soak the heating element in white vinegar or other descaling solution, then rinse well.

3. To descale manually, use a nonmetallic (soft) tool; brush the crust off the element. Make sure you do not damage the surface of the heating element.

4. Reinstall the heating element.

5. Reﬁll the water heater with water and check for leaks before connecting the power.

12.5 Replacing the heating element

1. Unplug and drain the water heater (See 12.1, “Draining the water heater”, pg. 9).

2. Remove the cover (See 12.2, “Removing the cover”, pg. 9).

3. Remove the heating element (See 12.3, “Removing the heating element”, pg. 9).

4. Install and seal the new element. Make sure that the heating element is positioned correctly.

5. Remount all the line wires to their original location.

6. Reﬁll the water heater with water and check for leaks before connecting the power.

D0000034990

ENGLISH

D0000034991

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INSTALLATION

Maintenance Instructions

12.6 Changing the anode rod

12.7 Safety Shut-off

WARNING:

!

NEVER LOCK THE SLIDING RESET PLUNGER.

DANGER: WATER TEMPERATURES OVER 125°F (52 °C) CAN CAUSE SEVERE BURNS INSTANTLY OR DEATH FROM SCALDING. DO NOT ATTEMPT TO RESET THE HIGH LIMIT SWITCH WITHOUT FIRST COOLING DOWN THE WATER INSIDE THE WATER HEATER.

12.7.1 Resetting high temperature shut-off system

1. Unplug the water heater.

2. Remove the cover (See 12.2, “Removing the cover”, pg. 9).

3. Unplug the adapter (1) from the controller shaft.

4. Press in button (2) with an appropriate tool.

5. Reassemble the adapter in the correct position.

D0000036026

6. Reassemble the cover of the heater and tighten.

7. Reassemble the thermostat control knob.

A magnesium anode is used to extend the life of the tank. Permanent removal of this anode for any reason will void the warranty.

Depending on conditions, the magnesium anode rod may need to be changed approximately every two years. Galvanic and electrolytic corrosion can destroy a tank with a spent anode rod. Rusty water is usually an indicator of a spent anode rod.

1. Unplug and drain the water heater (See 12.1, “Draining the water heater”, pg. 9).

2. Remove the cover (See 12.2, “Removing the cover”, pg. 9).

3. Remove the heating element (See 12.3, “Removing the heating element”, pg. 9).

4. Remove the anode rod from the dismounted heating element holder by unscrewing.

5. Fit a new anode rod into the heating element holder.

6. Reﬁt all the wires and the heating element.

7. Reﬁll the water heater with water and check for leaks before connecting the power.

1 2

D0000034993

1. Adapter

2. Button

D0000034992

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WARRANTY

Limited Warranty

13. Limited Warranty

Subject to the terms and conditions set forth in this limited warranty, Stiebel Eltron, Inc. (the “Manufacturer”) hereby warrants to the original purchaser (the “Owner”) that each Mini-Tank Domestic Hot Water Heater (the “Heater”) shall not (i) leak due to defects in the Manufacturer’s materials or workmanship for a period of six (6) years from the date of purchase or (ii) fail due to defects in the Manufacturer’s materials or workmanship for a period of two (2) years from the date of purchase. As Owner’s sole and exclusive remedy for breach of the above warranty, Manufacturer shall, at the Manufacturer’s discretion, send replacement parts for local repair; retrieve the unit for factory repair, or replace the defective Heater with a replacement unit with comparable operating features. Manufacturer’s maximum liability under all circumstances shall be limited to the Owner’s purchase price for the Heater.

This limited warranty shall be the exclusive warranty made by the Manufacturer and is made in lieu of all other warranties, express or implied, whether written or oral, including, but not limited to warranties of merchantability and ﬁtness for a particular purpose. Manufacturer shall not be liable for incidental, consequential or contingent damages or expenses arising directly or indirectly from any defect in the Heater or the use of the Heater. Manufacturer shall not be liable for any water damage or other damage to property of Owner arising, directly or indirectly, from any defect in the Heater or the use of the Heater. Manufacturer alone is authorized to make all warranties on Manufacturer’s behalf and no statement, warranty or guarantee made by any other party shall be binding on Manufacturer.

ENGLISH

Manufacturer shall not be liable for any damage whatsoever relating to or caused by:

1. any misuse or neglect of the Heater, any accident to the Heater, any alteration of the Heater, or any other

unintended use;

2. act s of God and circumstances over which Manufacturer has no control;

3. installation of the Heater other than as directed by Manufacturer and other than in accordance with applicable

building codes;

4. failure to maintain the Heater or to operate the Heater in accordance with the Manufacturer’s speciﬁcations;

5. operation of the Heater under ﬂuctuating or excessive water pressure or in the event the Heater is supplied with

non-potable water, for any duration;

6. improper installation and/or improper materials used by any installer and not relating to defects in parts or

workmanship of Manufacturer;

7. moving the Heater from its original place of installation;

8. exposure to freezing conditions;

9. water quality issues such as corrosive water, hard water, and water contaminated with pollutants or additives;

10. not continuously supplying the unit with water aka “dry-ﬁring”.

Should owner wish to return the Heater to manufacturer for repair or replacement under this warranty, Owner must ﬁrst secure written authorization from Manufacturer. Owner shall demonstrate proof of purchase, including a purchase date, and shall be responsible for all removal and transportation costs. If Owner cannot demonstrate a purchase date this warranty shall be limited to the period beginning from the date of manufacture stamped on the Heater. Manufacturer reserves the right to deny warranty coverage upon Manufacturer’s examination of the Heater. This warranty is restricted to the Owner and cannot be assigned.

Some States and Provinces do not allow the exclusion or limitation of certain warranties. In such cases, the limitations set forth herein may not apply to the Owner. In such cases this warranty shall be limited to the shortest period and lowest damage amounts allowed by law. This warranty gives you speciﬁc legal rights and you may also have other rights which vary from State to State or Province to Province.

Owner shall be responsible for all labor and other charges incurred in the removal or repair of the Heater in the ﬁeld. Please also note that the Heater must be installed in such a manner that if any leak does occur, the ﬂow of water from

any leak will not damage the area in which it is installed.

STIEBEL ELTRON, Inc. 17 West Street West Hatﬁeld, MA 01088, USA Phone: 800.582.8423 or 413.247.3380

This Warranty is valid for U.S.A. & Canada only. Warranties may vary by country. Please consult your local Stiebel Eltron Representative for the Warranty for your country.

Fax: 413.247.3369 Email: info@stiebel-eltron-usa.com www.stiebel-eltron-usa.com

www.stiebel-eltron-usa.com SHC 2.5 / SHC 4 | 11

STIEBEL ELTRON SHC4 User Manual [en, es, fr]