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TEMPERATURE SETTINGS
There are 4 preset temperatures that you can
select from by adjusting the dipswitch settings
on the computer board. The temperature has
been preset at the factory to122ºF (50ºC). The
computer will electronically control this
temperature. At a fixture, mix cold water with
hot to get the water temperature you desire. If
you desire a hot water temperature other than
the 4 preset settings, please purchase the
optional temperature remote controller (part
No. TK-RE02). With this optional TK-RE02 you
can set the temperature from 99ºF to 176ºF.
Please carefully read the instructions prior to
installing the TK-RE02 as failure to do so could
damage the temperature controller and/or the
water heater, which will void the warranty.
Hot Water Output Temperature Setting:
With the FLASH T-K2 Water Heater, the output
hot water temperature can be adjusted either
manually from the main computer board’s
dipswitches or with the optional remote
controller (Part TK-RE02, from 99°F to 176°F).
The dipswitches can set four hot water output
temperatures 104°F, 113°F, 122°F, and 176°F
(the factory set temperature is 122°F). could
damage the temperature controller and/or the
water heater, which will void the warranty.
FREEZE PROCTECTION DEVICES
This unit comes equipped with heating blocks
to prevent freezing which can damage the heat
exchanger. For this freeze prevention system
to operate, there has to be electrical power to
the unit. Damage to the heat exchanger
caused by freezing temperatures due to power
loss is not covered under the warranty.
The unit has been rated for temperatures down
to 5ºF (-15ºC) in a wind free environment. If
you install the water heater in an area that is
subject to temperatures (including wind chill)
below 5ºF (-15ºC), this will void the warranty
and Takagi will not be responsible for any
damage to the heat exchanger as a result of
freezing. In any areas subject to freezing
temperatures, Takagi strongly recommends
the use of its back flow prevention flue damper
(Part No. TK-TV03) to reduce the amount of
cold air entering through the exhaust venting
when the water heater is off.
If you will not be using your heater for a long
period of time or if the temperatures (including
the wind chill) will drop below 5 ºF (-15 ºC),
turn off your heater and drain the unit of water
Household Flow Rates
Appliance / Use
Flow Rate
(GPM)
Lavatory Faucet 1.0
Bath Tub 4.0
Shower 2.0
Kitchen Sink 1.5
Dishwasher 1.5
Washing Machine 2.0
Taken from UPC 1997
WARNING
Hot Water Heater temperatures over
125°F can cause severe burns instantly or
death from scalding. The outlet hot water
temperature of the FLASH T-K2 water
heater is factory set at 122°F. Feel the
water temperature before bathing or
showering. Do not leave children, the
disabled or the elderly unattended as they
are at the highest risk of being scalded.
Temperature limiting valves are available,
ask professional person.
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