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14 | MINI
™
SERIES TANKLESS ELECTRIC WATER HEATERS WWW.STIEBEL-ELTRON-USA.COM
INSTALLATION INSTRUCTIONS
7.2 Plumbing connections
NOTE: If soldering near the unit is necessary,
please direct the flame away from the housing of
the unit in order to avoid damage. Excessive heat from
soldering on copper pipes near the Mini may cause damage.
All plumbing work must comply with national and applicable state
and local plumbing codes.
» 1. All plumbing work must comply with national and
applicable state and local plumbing codes.
» 2. A pressure reducing valve must be installed if the cold water
supply pressure exceeds 150 psi (10 bar).
» 3. Make certain that the cold water supply line has been
flushed to remove any scale and dirt.
» 4. Install isolating valve in cold water line as shown in
illustration
C
. This allows the unit to be isolated for
maintenance purposes.
» 5. Cold water connection (inlet) is on the right side of the unit,
hot water connection (outlet) is on the left side of unit.
» 6. Tankless water heaters such as the Mini are not required
to be equipped with a Pressure and Temperature Relief Valve
(except in Massachusetts). If the local inspector will not pass
the installation without a P+T valve, it should be installed on
the hot water outlet side of unit.
» 7. The Mini is designed for connection to a braided stainless
steel hose with a 3/8˝ O.D. tube outlet.
» 8. When all plumbing work is completed, check for leaks and
take corrective action before proceeding.
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