Combustion Air Supply; Manufactured Home (Mobile Home) Installation; Initiating The Appliance; Initial Operation - Takagi T-KD20 Installation Manual And Owner's Manual

Combustible Air Supply
The T-KD20 is direct vent (Sealed Combustion) system
that all combustible air supplies from outside building.
The T-KD20 must be installed in a location where the
proper amount of combustible air will be available to it
at all times without obstructions.
As combustible air supply pipe can be used suitable 3"
pipe such as Galvanized single wall vent pipe, ABS 3",
colligate stainless steel pipe and category III stainless
steel pipe supply air pipe.

Manufactured Home (Mobile Home) Installation

This appliance must be installed in accordance with the
Manufactured Home Construction and Safety Standard,
(Title 24, CFR; Part 3280) and ANSI A119.5/NFPA
501D. In addition, install in accordance with the
following instructions, the instructions supplied with any
venting, local codes, utility company requirements for
the installation of water heaters in manufactured homes
(mobile homes), and the latest edition of the National
Fuel Gas Code, ANSI Z221.3/NFPA 50.
Locate the heater in an enclosure separating the unit
from the internal atmosphere of the manufactured home
or trailer. All combustion air must be obtained from the
outside atmosphere, and the flue gases must be
discharged directly outdoors through a gas vent. There
must be no opening from the interior of the home or
trailer into the water heater enclosure.
Indoor Installation
Follow indoor installation instructions as set out in an
earlier section of this manual

Initiating the Appliance

For your safety, read before operating.
WARNING: If you do not follow these instructions
exactly, a fire or explosion may result causing property
damage, personal injury or loss of life.
a)
This appliance does not have a pilot. It is equipped
with an electronic
automatically lights the burner. Do not try to light
the burner by hand.
b)
Before operating, check for gas accumulation in the
area around the appliance. Pay special attention
near the floor, because gas is often heavier than air,
and it may accumulate near the floor.
c)
Do not attempt to open the manual gas shutoff
valve with anything but by hand. Never use tools. If
the valve will not open by hand, do not try to repair
it. Instead, call a qualified service technician. Force
or attempted repair may result in a gas leak, fire or
explosion.
d)
Do not use this appliance if any part has been
under water. Immediately call a qualified service
technician to inspect the appliance and to replace
any part that may have been damaged by being
under water.
WARNING: IF YOU SMELL GAS:
•
Do not use any appliance.
•
Do not touch any electric switch, do not use any
phone in your building.
•
Immediately call
neighbor's phone.
instructions.
•
If you cannot reach your gas supplier, call the fire
department.

Initial Operation

1. STOP! Do not operate without reading the safety
information first!
2. Switch off the electrical power supply to the heater.
3. Do not attempt to light the burner manually.
4. Turn the manual gas control valve located on the
outside of the unit counterclockwise to the OFF
position.
5. Wait five (5) minutes to clear out any gas. If you
then smell gas, STOP! Follow "b" in the "Initiating
the Appliance" section above. If you do not detect
gas, proceed to the next step.
6. Turn the manual gas control valve located on the
outside of the unit clockwise to the ON position.
7. Turn on the electrical power to the appliance.
8. Turn on any tap, and the T-KD20 will initiate itself.
9. If the appliance will not operate, follow the
instructions in the "Turning Off the Gas Supply to
the Appliance" section following, and call a service
technician or gas supplier.
ignition device,
your gas supplier
Follow the gas supplier's
which
from a