Stiebel-eltron SHC 4 User Manual download pdf (Page 7)

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www.stiebel-eltron-usa.com SHC 2.5 / SHC 4 | 7

INSTALLATION

Electrical Connection

Ensure that the water heater is installed in a level po-

sition.

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 RECOM-

MENDED.

DO NOT APPLY HEAT DIRECTLY TO INLET OR OUTLET

CONNECTIONS.

A certiﬁed T&P valve is supplied with the water heat-

er 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. 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-

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.

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 DAM-

AGED OR LENGTH NOT SUFFICIENT, IT MUST BE

REPLACED BY A LICENSED ELECTRICIAN.

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