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12. Appendixes
12.1 Gas & High Altitude
Conversion
This boiler is configured for Natural Gas at the factory.
If conversion to Propane Gas is required by the
●
boiler, use the PROPANE GAS & HIGH ALTITUDE
CONVERSION KIT supplied with the boiler.
If the boiler is installed at a high altitude (above
●
5,400 ft) for NG, use the NATURAL GAS HIGH
ALTITUDE CONVERSION KIT supplied with the boiler.
For Propane gas high altitude conversion,
Note
use the PROPANE GAS & HIGH ALTITUDE
CONVERSION KIT. Note that the Gas Orifice
from the PROPANE GAS & HIGH ALTITUDE
CONVERSION KIT covers the boiler's
installation at an altitude of 0 to 10,100 ft.
DANGER
DO NOT perform a gas & High Altitude
conversion without an officially approved
conversion kit and the instructions supplied
by Navien. Gas & High Altitude conversion
using any other parts will result in extremely
dangerous burner operation, leading to fire,
explosion, severe personal injury or death.
The Natural Gas High Altitude
Note
Conversion Kit and Propane Gas & High
Altitude Conversion Kit are attached to
the inside of Product's case.
High Altitude
Conversion Kit (a) and
Propane Conversion
Kit (b)
a. High Altitude Conversion Kit b. Propane Conversion Kit
120 Appendixes
WARNING
Fire and Explosion Hazard
To prevent serious injury or death:
ONLY a qualified service agency* is required
●
to install a conversion kit in accordance with
Navien's instructions and all applicable codes
and requirements of the authority having
jurisdiction.
The qualified service agency is responsible
●
for the proper installation of this kit. The
installation is not proper and complete until
the operation of the converted appliance is
checked as specified in the manufacturer's
instructions supplied with the kit.
BEFORE starting the gas conversion:
ALWAYS turn off electrical power supply to
●
the boiler and close the manual gas shut-off
valve.
ALLOW the boiler to cool if it has been
●
operating.
For propane boilers: The propane supplier
●
mixes an odorant with the propane to make
its presence detectable. In some instances the
odorant can fade, and the gas may no longer
have an odor. Before startup (and periodically
thereafter), have the propane supplier verify
the correct odorant level in the gas.
* A qualified service agency is any individual, firm,
corporation or company which either in person or
through a representative is engaged in and is responsible
for the connection, utilization, repair or servicing of gas
utilization equipment or accessories; who is experienced
in such work, familiar with all precautions required,
and has complied with all of the requirements of the
authority having jurisdiction.
In Canada: The conversion shall be carried out in
accordance with the requirements of the provincial
authorities having jurisdiction and in accordance
with the requirements of the CAN‐B149.1 and CAN1‐
B149.2 Installation Code.
Tools Required:
Phillips Screwdriver
●
Flathead Screwdriver
●
/
in or 4 mm Allen Wrench
5
●
32
Combustion Analyzer or Dual Port Manometer
●
Gas Leak Detector
●
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