Rinnai Water Heater REU-V2520FFUD - Manual (Page 7)


Rinnai America FF Models
F E A T U R E S O F Y O U R N E W WATER HEATER
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The Rinnai Water Heater is one of the most advanced water heaters available.
It supplies hot water continuously at the temperature preset in the unit or at the
temperature set on the optional remote controller(s). Installation of remote controller(s)
are recommended for optimum performance.
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The Rinnai Water Heater never runs out of hot water. While electricity, water and gas
supplies are connected, the Rinnai Water Heater produces hot water whenever the hot
tap is open.
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The gas burner lights automatically when the hot water tap is opened, and goes out
when the tap is closed. Ignition is electronic, there is no pilot light. When the hot water
tap is off, no gas is used. You save energy and money with the Rinnai Water Heater.
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The temperature of the outgoing hot water is constantly monitored by a built in sensor. If
the temperature of the outgoing water rises to more than 6 degrees above the selected
temperature (shown on the digital remote control) the gas burner will automatically go
out. The gas burner will re-ignite once the outgoing hot water temperature falls below the
selected temperature.
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Built into the microprocessor of the Rinnai Water Heater is the ability to LIMIT THE
MAXIMUM TEMPERATURE of the hot water supplied by the Rinnai Water Heaters.
Without the connection of a remote controller(s), the Rinnai Water Heater is preset to
deliver water at 120
O F (Residential) and 140 O F (Commercial).
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Residential Unit: With the remote controller(s) the water temperature is adjustable from
98 to 140 O F. The water temperature cannot be set to a temperature other than
120 O F without the use of a remote controller unit.
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Commercial Unit: With the remote controller the water temperature is adjustable up to
185 O F. The water temperature cannot be set to a temperature other than 140 O F
without the use of a remote controller unit.
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Error messages are displayed on the optional remote controller(s), simplifying service
calls.
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The Rinnai Water Heater incorporates a device to minimize temperature fluctuations (cold
water sandwich effect) when the water is off, then on again. This effect can be eliminated
by installing the Rinnai Water Heaters with a circulation loop with a small storage tank.
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The sound (noise) level from the Rinnai Water Heaters is very low.
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The Rinnai Water Heater is a very compact direct vented device. It saves valuable floor
and wall space.