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ENGLISH
WWW.STIEBEL-ELTRON-USA.COM SHC 2.5 / SHC 4 / SHC 6 | 5
INSTALLATION
MOUNTING THE UNIT
INSTALLATION
7. 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˝ (.91 m) due to burn risk to chil-
dren.
!
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 freez-
ing 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 ¼ 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.
8. Plumbing Connections
!
IMPORTANT:
If water pipes are made 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 war-
ranty.
CAUTION:
To reduce the risk of excessive temperature and
pressure in the water heater, a temperature/pressure
(T&P) relief valve has been installed.
CAUTION:
Always fill the unit’s tank with water before plugging
the water heater’s cord into an electrical outlet. Fail-
ure 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 pre-
venter in the cold- water supply, means shall be
provided to control thermal expansion. Contact the
water supplier or local plumbing inspector for infor-
mation 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).
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 mounted to the water heater by the manu-
facturer with the outlet oriented to the right. If this position needs
to be changed, leakage may occur, especially if it will be screwed
counter-clockwise, and the T&P valve may need to be resealed.
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.
It is recommended to install a check valve on the cold water inlet
supply line to the unit so that air pockets can be purged through
the T&P valve.
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