Stiebel-eltron SHC 4 User Manual download pdf (Page 8)

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

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 ac-

cordance 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

A B

N PE

1 2

D0000035810

1. Heating element

2. Lamp indicator

3. Cut-off

4. Thermostat

5. Tank

11. Settings

The water heater is equipped with an adjustable ther-

mostat that automatically controls the water tempera-

ture. The indicator lamp remains lit only when the water

is being heated.

The temperature is adjusted by turning the knob coun-

terclockwise (to the left) to increase the temperature

and clockwise (to the right) 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.

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).

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/PRES-

SURE RELIEF VALVE DISCHARGE PIPE.

2. THE WATER DISCHARGED WILL NOT CAUSE

ANY BODILY INJURY OR PROPERTY DAMAGE.

THE WATER MAY BE EXTREMELY HOT.

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.

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).

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