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FREEZE PROCTECTION DEVICES
This unit comes equipped with heating blocks
and automatic ‘no-flow’ burning 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.
The freeze prevention devices will
not work if the electrical power source is
disconnected. Even if TM-RE10 in “off”
mode, it will be switched to “on”
automatically to prevent the heat exchanger
from freezing.
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 0ºF (-18ºC) in a wind free environment. If
you install the appliance in an area that is
subject to temperatures (including wind chill)
below 0ºF (-18ºC), 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 appliance is off.
If you will not be using your appliance for a
long period of time or if the temperatures
(including the wind chill) will drop below 0ºF (-
18ºC), turn off your appliance and drain the
unit of water (see ‘Unit Draining & Filter
Cleaning’ section above for draining
instructions). This will keep your unit from
freezing and being damaged.
For indoor installation in areas where the
temperature will be well below freezing for
extended periods of time, use the included
“Extension cable” to relocate the internal
thermostat located on the cabinet to the
outdoors. This will sense the ambient air
temperature and turn on the internal
appliance blocks on to prevent the heat
exchanger from freezing.
CAUTION:
Only the pipes within the appliance
are protected by the anti-freeze devices on the
T-H1. Any hot or cold water pipes located
outside of the unit will not be protected.
Properly protect and insulate these pipes from
freezing.
MAINTENANCE AND SERVICE
WARNING: Turn off the electrical power
supply and close the manual gas control
valve and the manual water control valve
before servicing.
Do this immediately after installation
.
1. Clean the cold-water inlet filter (figure
below).
2. Be sure that all openings for combustion
and ventilation air are not blocked.
3. Check that the exhaust vent pipe is not
blocked.
4. Check the gas pressure.
5. Keep the area around the appliance clear.
Remove any combustible materials,
gasoline or any flammable vapors and
liquids.
The unit should be checked once a year or as
necessary by a licensed technician. If repairs
are needed, any repairs should be done by a
licensed technician.
The following systems and parts should be
checked at least once a year:
1. Venting system
2. Burner
3. Manual operation of the pressure relief
valve to ensure correct operation.
4. Periodic cleaning of the water filter (figure
above).
5. Heat exchanger. Remove the thermistor
and check for a mineral coating. A mineral
coating on the thermistor requires flushing
the heat exchanger with a de-scaling
solution. Scale build up will void your
