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CONTENTS
Contents
I
SAFETY
II
III
RATINGS/SPECS
IV
V
VI
I Safety
I
SAFETY
The warranty on this water heater is in effect only when
the water heater is installed and operated in accordance
with these instructions. The manufacturer of this water
heater will not be liable for any injury or property
damage resulting from failure to comply with these
instructions.
WARNING! This water heater must be installed strictly in
accordance with the instructions enclosed, and local
electrical, fuel and building codes. It is possible that
connections to the water heater or the water heater
itself may develop leaks. IT IS THEREFORE IMPERA-
TIVE that the water heater be installed so that any
leakage of the tank or related water piping is directed to
an adequate drain in such a way that it cannot damage
the building, furniture, carpeting, adjacent areas, lower
floors of the structure or other property subject to
water damage. This is particularly important if the
HOT
BURN
The Techtanium Indirect-fired water heater is deemed to be used in a "commercial
setting" if at any time the unit is operated at a temperature over 150ºF. Refer to warranty
for additional information.
finished flooring or carpeted surfaces. DHT CANNOT BE
HELD LIABLE for damage caused by water from the
water heater, pressure relief valve, or related fittings.
Closets without drains and carpeted areas are examples
of unsuitable locations for any water heater. Select a
location as centralized within the piping system as
possible. The heater should be located in an area not
subject to freezing temperatures in any location
selected. It is recommended that a suitable drain pan be
installed under the water heater. This pan shall be a
minimum of 50mm (2 in.) deep and have a diameter that
is a minimum of 50mm (2 in.) greater than the diameter
of the water heater. Suitable piping shall connect the
drain pan to a properly operating floor drain.
Relief Valve Requirements
Caution:
temperatures in this water heater, install temperature
and pressure protective equipment required by local
codes. It should be no less than a combination tempera-
ture and pressure relief valve certified by a nationally
recognized testing laboratory that maintains periodic
inspection of production of listed equipment or material-
als, as meeting the latest edition of ANSI Z21.22:
Requirements for Relief Valves and Automatic Gas
Shut-off Devices for Hot Water Supply Systems. This
valve must be marked with a maximum set pressure not
to exceed the marked MAXIMUM working pressure of the
water heater (150 PSI). Install the valve into an opening
provided and marked for this purpose in the water
heater, and orient it or provide tubing so that any
discharge from the valve will exit only within 6 inches
above, or any distance below the structural floor and
cannot contact any live electrical part. The discharge
opening must not be blocked or reduced in size under
any circumstances. The end of the relief pipe opening
should terminate near a floor drain or other suitable
location not subject to blocking or freezing. DO NOT
thread, plug or cap the relief pipe opening.
DANGER
• Water temperatures over 125ºF can cause severe burns
instantly or death from scalds.
• Children, disabled, and elderly are at the highest risk of
being scalded.
• See instruction manual before setting temperature at water
heater.
• Feel water before bathing or showering.
• Temperature limiting valves are available, see manual.
NOTICE
2
To reduce the risk of excessive pressures and
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