Takagi T-KD20 Installation Manual And Owner's Manual - page 5
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INSTALLATION
GENERAL
All gas water heaters require careful and
correct installation to ensure safe and efficient
operation. This manual must be followed
exactly. Read the “For Your Safety” section at
the beginning of this manual.
1. The gas regulator is preset at the
factory; it is computer controlled and
should not need adjustment;
2. Maintain proper space for servicing.
Install the unit so that it can be
connected or removed easily;
3. The electrical connection requires a
means for switching off the power
supply;
4. If you will be installing the unit in a
contaminated area with a high level of
dust, sand, flour, aerosols or other
contaminants, they can become
airborne and enter and buildup within
the fan and burner causing damage to
the unit. The warranty will not cover
damage caused to the unit due to
installation in a contaminated
environment that has not been
converted.
5. Particles from these objects may clog
the air vent or reduce the functions of
the rotating fan and cause improper
burning of the gas. Regular
maintenance is recommended for these
types of environment.
6. Do not install the unit where the
exhaust vent is pointing into any
opening in a building or where the
noise may disturb your neighbors.
Make sure the clearance from the vent
termination to the doorway or opening
to prevent exhaust from entering. Take
a look at page 8.
7. Some chemicals used in a beauty salon
may affect the flame sensor. Water
heater may not work properly. Please
consult with Takagi, when the water
heater is installed in a beauty salon.
8. Water hardness may affect the water
heater. Water heater may be damaged.
The warranty will not cover damage
caused by water quality.
Direct Vent:
Also known as Sealed
Combustion. Systems are all air for
combustion is derived directly from the outside
atmosphere and all flue gases are discharged
to the outside atmosphere. All Takagi products
flue gas vents are pressurized, requiring
careful sealing of all joints.
Category III Vent:
A system that operates with
a positive vent static pressure and with a vent
gas temperature. T-KD20 flue gas vents are
positive pressure, it requires perfect seal of all
vent pipe joints.
Accessories
Check that the installation manual, the
extension cable and the warranty card were
included with the unit.