Jotul GF300 BV manual High Altitude Adjustment, Derating Procedure, Change the Burner Orifice

High Altitude Adjustment

Installations burning natural gas and located at altitudes from 2000 - 4500 ft. (610 M - 1370 M), require compen- sation for the thinner air (less volume of air per cubic foot). Higher altitudes affect the atmospheric pressure and heat value of gaseous fuels. The lower oxygen content in the air and the lower gas viscosity require the use of a different orifice to achieve efficient, clean combustion at the burner tube.

For high altitude installations consult the local gas distributor or the authority having jurisdiction for proper rating methods. If the installer must convert the unit to adjust for varying altitudes, use Jøtul High Altitude Kit, #155810-NG.

DO NOT DERATE THE BURNER FOR PROPANE.

In the U.S: THE DERATING KIT MUST BE INSTALLED BY AN AUTHORIZED SERVICE TECHNICIAN IN ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS AND ALL CODES AND REQUIREMENTS OF THE AUTHORITY HAVING JURISDICTION. THE INFORMATION STICKER MUST BE COMPLETED BY THE INSTALLER AND APPLIED TO THE APPLIANCE AT THE TIME OF THE CONVERSION. THE QUALIFIED SERVICE AGENCY PERFORMING THIS WORK ASSUMES RESPONSIBILITY FOR THIS DERATING.

In Canada: This unit has been tested for installation at high altitudes in accordance with Canadian test stan- dard CAN/CGA-2.17. THE DERATING SHALL BE CARRIED OUT IN ACCORDANCE WITH THE REQUIREMENTS OF THE PROVINCIAL AUTHORITIES HAVING JURISDICTION AND IN ACCORDANCE WITH THE REQUIREMENTS OF THE CAN1-B-149.1 AND .2 INSTALLATION CODE.

AVERTISEMENT:

Cet equipement de conversion sera installe par une agence qualkfiee de service conformenment aux instructions du fabricant et toutes exigences et codes applecables de l’autorises avoir la juridiction. Si l’informaiton dans cette Instruction n’est pas suivie exactement, un feu, explosion ou production de protoxyde de carbone peut resulter le dommages causer de propriete, perte ou blessure personnelle de vie. L’agence qualifiee’ de service est esponsable de l’installation propre de cet equipement. L’installation n’est pas propre et complete jusqu’a l’operation de l’appareil converti est cheque suivant les criteres etablis dans les instructions de proprietaire provisionnees avec l’equipement.

Replace with #40

orifice

Figure 43. Change the Burner Orifice.

Derating Procedure

1.Follow Steps 1-10 of the Fuel Conversion procedure outlined on pages 11 and 12.

2.Replace the original orifice with the #40 orifice in the kit.

3.Fill out the high altitude conversion label from the kit and attach to the rating plate or gas valve.

4.Reassemble the firebox components.

5.It may be necessary to adjust the air shutter on the burner tube. See AIR SHUTTER/FLAME APPEARANCE on page 16 for more details.

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