INSTALLATION
HIGH ALTITUDE
This unit is approved in Canada for altitude from 0 to 2,000 ft. (0 to 600m) (Can
At altitudes greater than 2,000 feet it is necessary to match the air and fuel requirements by installing a main burner orifice sized for the elevation that the appliance is installed at by referencing the chart shown below. Be sure to check both front and rear orifice for proper drill size.
DRILL SIZING CHART
RECOMMENDED SIZE vs. ALTITUDE
ALTITUDE | NATURAL GAS | PROPANE (LPG) | ||||
|
|
| Front | Rear | Front | Rear |
| 2,000 ft / | 600m | # 50 | # 59 | #1.25mm | # 68 |
| 3,000 ft / | 900m | # 51 | # 61 | # 56 | # 69 |
| 4,000 ft / 1200m | # 51 | # 61 | # 57 | # 69 | |
| 5,000 ft / 1500m | # 51 | # 62 | # 57 | # 69 | |
| 6,000 ft / 1800m | # 52 | # 62 | # 57 | # 70 | |
| 7,000 ft / 2100m | # 52 | # 63 | # 58 | # 70 | |
| 8,000 ft / 2400m | # 52 | # 64 | # 59 | # 70 | |
| 9,000 ft / 2700m | # 53 | # 64 | # 59 | # 71 | |
10,000 ft / 3000m | # 53 | # 65 | # 60 | # 71 | ||
The above orifice sizing chart should be used as a guide only. Actual orifice size may be different due to venting configuration and actual altitude.
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