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

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Connect the water heater to a GROUNDED

OUTLET.

The unit is ﬁ tted 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 sufﬁ cient, it must be replaced by a licensed

electrician.

Lamp Cut-off Thermostat Indicator

Electrical diagram

10 Settings

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 counterclockwise (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



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 PRESSURE AND TEMPERATURE

IN THE WATER HEATER, A COMBINATION

TEMPERATURE/PRESSURE (P & T) RELIEF

VALVE HAS BEEN PROVIDED AND MUST BE

INSTALLED.

CAUTION: NEVER PLUG THE WATER HEATER‘S

CORD INTO AN ELECTRICAL OUTLET UNLESS IT

IS FILLED WITH WATER. OTHERWISE, THE UNIT

WILL SELF DESTRUCT.

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 ﬁ gure 1).

Connect the water pipes to the heater.

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 ﬁ tting (union) before

screwing the adapter to the tank.

DO NOT APPLY HEAT DIRECTLY TO INLET OR

OUTLET CONNECTIONS.

Figure 1

1. Cold water inlet

2. Hot water outlet

3. Pressure/temperature relief valve

4. Discharge pipe

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.

The P & T valve is certiﬁ ed 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 ﬂ oor, 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 ﬁ fteen 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 ﬁ ll 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 ﬁ lled

4. Close the hot water faucet

5. Check entire system for leaks

9 Electrical Connection



CAUTION: NEVER PLUG THE WATER

HEATER‘S CORD INTO AN ELECTRICAL

OUTLET UNLESS IT IS FILLED WITH WATER.

OTHERWISE, THE UNIT WILL SELF DESTRUCT.

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.

To be certain that all the air is out of the system,

open the hot water faucet on your ﬁ xtures until

constant water ﬂ ows from them. Otherwise,

damage to the element may occur.

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Stiebel-eltron SHC 4 User Manual Page 4

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