STIEBEL ELTRON SHC 4 Bedienungsanleitung

SHC 2.5 & SHC 4

WATER HEATERS

INSTALLATION AND OPERATING INSTRUCTIONS

TABLE OF

CONTENTS

General information………………....

Technical description………………… 4

General recommendations……….…

Mounting the unit…………………..…

Plumbing connections…………..…… 5

Electrical Connections………………

Maintenance Instructions………….… 8

De-scaling the heating element…..… 9

Replacing the heating element…….

Changing the anode rod…………..… 1

Safety shut-off……………..…………

STIEBEL ELTRON

17 West Street

West Hatfield, Massachusetts 01088

800) 582-8423 (413) 247-3380

fax: (413) 247-3369

[email protected]

www.stiebel-eltron-usa.com

PLEASE RETAIN THESE INSTRUCTIONS IN A SAFE LOCATION FOR

FUTURE REFERENCE.

WARNING

proper installation, adjustment, alteration, service or maintenance can cause

eath, serious injury or property damage. Refer to this manual. For assistanc

r additional information, consult a qualified installer.

FOR YOUR SAFETY

o not store or use gasoline or other flammable vapors or liquids in the vicinity

f this or any other appliance.

he warranty on this water heater is in effect only when the water heater is

stalled and operated in accordance with these instructions. The manufacture

f this water heater will not be liable for any damage resulting from failure to

omply with these instructions. Properly installed it will give you years of troub

ee service.

IMPORTANT

ead instructions carefully before installing your water heater. Proper

stallation will provide safe and efficient service and avoid needless expenses

ot covered under the warranty.

WARNING

his water heater must be installed strictly in accordance with the instructions

nclosed and local electric and building codes. It is also possible that

onnections to the water heater itself may develop leaks. IT IS THEREFORE

PERATIVE that the water heater be installed so that any water is directed to

n adequate drain in such a way that water damage to the building, furniture,

arpeting or other property cannot occur. Neither the manufacturer nor the

istributor CAN BE HELD RESPONSIBLE for damage caused by water from

e water heater, temperature pressure relief valve, or related fittings where

dequate provision to drain such water has not been provided.

ydrogen gas can be produced in a hot water system served by this heater th

as not been used for long time (generally two weeks or more). Hydrogen gas

xtremely flammable,

o reduce the risk of injury under these conditions, it is recommended that the

ot water faucet be opened for several minutes before using any electrical

ppliance connected to the hot water system. If hydrogen is present, there will

robably be an unusual sound such as air escaping through the pipe as the

ater begins to flow. There should be no smoking or open flame near the fauc

t the time it is open.

IMPORTANT SAFETY INSTRUCTIONS

WARNING: When using electrical appliances, basic safety precautions should be followed

to reduce the risk of fire, electrical shock or personal injury including:

1. READ ALL INSTRUCTIONS BEFORE USING THE WATER HEATER.

2. This water heater must be grounded. Connect to properly grounded outlet only!

See chapter called “ELECTRICAL CONNECTION”.

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

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

5. Do no 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. Do not locate the water heater where water lines could be subject to freezing

temperatures.

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

necessary.

10.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.

11.When installing the water heater, ensure that clearance around the unit is provided,

for ease of maintenance and service.

12.Only qualified, licensed service personnel should service this water heater. Contact

the nearest authorized licensed personnel for inspection, repair or adjustment.

The manufacturer or distributor is not responsible for damages caused by improper

installation, or by non-observance of the instructions in this manual.

A QUALIFIED, LICENSED TECHNICIAN MUST ALWAYS INSTALL THE WATER

HEATER AND CONDUCT ALL SUBSEQUENT SERVICE WORK AND/OR

MAINTENANCE.

CAUTION

NEVER USE THE WATER HEATER UNLESS IT IS COMPLETELY FULL OF WATER, TO

PREVENT DAMAGE TO THE TANK AND THE HEATING ELEMENT. WATER MUST

FLOW FROM THE HOT WATER FAUCET BEFORE TURNING ON THE POWER TO THE

HEATER.

1. GENERAL INFORMATION

These SHC water heaters can be used in

most point-of-use applications. They are

designed to supply hot water for all 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.

2. TECHNICAL DESCRIPTION

There are two SHC models available, a

2.5 gallon model and a 4 gallon model.

The pressure vessel of the water heater is

welded glass-lined steel and is equipped

with a sacrificial anode rod. The thermal

insulation is polystyrene.

The water heater is equipped with both a

thermostat and high limit temperature

switch.

A temperature/pressure relief valve is

supplied with the unit.

These units are designed to operate

under normal street water pressure.

TECHNICAL SPECIFICATIONS

Model SHC 2.5 SHC 4

Phase 1 1

Voltage

110 - 120 110 - 120

Wattage W 1200 1200

Amperage

11 11

Nominal water volume Gal /

2.65 / 10 3.96 / 15

Weight empty Lbs / k

19.84 / 9 22 / 10

Height Inch / cm 18.19 / 46.2 18.19 / 46.2

Width Inch / cm 11.42 / 29 12.28 / 31.2

Depth Inch / cm 11.42 / 29 12.28 /31.2

Maximum operating pressure PSI / Ba

150 / 10 150 /10

Maximum adjustable

temperature ºF / º

171º / 77º 171º / 77º

Recovery time Mi

45 60

Water connections 1/2” NPT 1/2” NPT

PLEASE RETAIN THESE INSTRUCTIONS IN A SAFE LOCATION FOR

FUTURE REFERENCE.

3. 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.

Choose a location that allows easy

access for maintenance or servicing. The

water heater should be installed at least 8

– 9” from the ceiling or any adjacent walls.

Figure 1

1. Cold water inlet

2. Hot water outlet

3. Pressure/temperature relief valve

4. Discharge pipe

4. MOUNTING 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

5. PLUMBING CONNECTIONS

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, see fig.

1.)

Connect the water pipes to the heater.

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.

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.

DO NOT APPLY HEAT DIRECTLY TO

INLET OR OUTLET CONNECTIONS.

Install a discharge pipe from the relief

valve terminating at a sink or drain.

DO NOT CAP OR THREAD THE END OF

THE DISCHARGE PIPE, IT MUST BE

UNOBSTRUCTED AND FULL SIZE

CAUTION! To reduce the risk of

excessive pressure and temperature in

the water heater, a combination

temperature/pressure (P & T) relief valve

has been provided and must be installed.

The P & T valve is certified by a nationally

recognized test laboratory that maintains

periodic inspection of the listed

equipment, and meets the requirements

for relief valves and automatic shut-off

devices for hot water supply systems

ANSI 121.22-1979.

The P & T valve is marked with a

maximum pressure, which does not

exceed the maximum working pressure of

the water heater (150 PSI).

Install the P & T valve into the threaded

opening and orient the tubing so that

discharge will exit within 6” above or at

any distance below the structural floor,

and cannot contact any live electrical part.

THE DISCHARGE PIPE

1. Must not be smaller in size than the

outlet pipe size of the valve, or

have reducing couplings

2. Must not be plugged or blocked

3. Must be of material suitable for hot

water

4. Must not be over fifteen feet (15’) in

length

5. Must not have more than two

elbows

6. Must terminate at an adequate

drain

7. Must not have a valve between the

relief valve and the tank

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

CAUTION: NEVER PLUG THE WATER

HEATERS CORD INTO AN ELECTRICAL

OUTLET UNLESS IT IS FILLED WITH

WATER. OTHERWISE, THE UNIT WILL

SELF DESTRUCT.

6. ELECTRICAL CONNECTION

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 element

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.

This water heater is designed for 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.

ELECTRICAL DIAGRAM (SHC 2.5 & 4)

Cut-Off Thermostat Indicator

Lamp

The water heater is equipped with an

adjustable thermostat that automatically

controls water temperature. The indicator

lamp remains lit only when the water is

being heated.

The temperature is adjusted by turning

the knob clockwise (to the right) to

increase the temperature and counter-

clockwise (to the left) to decrease the

temperature.

The water heater thermostat can be set to

guard against freezing. This position

keeps the internal temperature above the

freezing point.

Freeze Protection Setting For SHC 2.5

Freeze Protection Setting For SHC 4

It is highly recommended to set the

thermostat to position “E”. Position “E” on

the thermostat represents approximately

125º F.

7. MAINTENANCE INSTRUCTIONS

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:

1. The heater is properly filled

2. The electrical supply has not been

interrupted.

WARNING! Before servicing or cleaning

the water heater, disconnect the water

heater from the electrical outlet.

Approximately once per year, 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 .39” (10 mm). (See

changing the anode rod).

WARNING! 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 after manually operating it, the valve

fails to completely reset and continues to

release water, 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.

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.

Removing the cover (SHC 2.5)

1. Remove the temperature control

knob from the front of the unit.

2. Remove the screw from the bottom

of the cover.

3. Remove the cover by lifting the

back and pulling forward. Cover

should come right off.

Removing the cover (SHC 4)

1. Remove the temperature control

knob from the front of the unit.

2. Remove the screw from the bottom

of the cover.

3. Remove the five screws from the

bottom of the cover.

4. Remove cover by lifting front and

pulling forward. Cover should

come right off.

Removing the heating element

1. Unplug and drain the water heater

(see draining instructions).

2. Remove the cover.

3. Remove all the line wires from the

heating element.

4. Remove the fitting on top of the

heating element pipe.

5. Using a suitable wrench, unscrew

the 2nd nut.

6. Remove the heating element.

7. 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

above).

2. To de-scale chemically, soak the

heating element in white vinegar or

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