OPERATION : OPERATION AT HIGHER ALTITUDES
OPERATION AT HIGHER ALTITUDES When heating equipment is installed at higher altitudes, its rated output will decrease due to a decrease in the density of air at the higher altitude.
For each 1000 ft of elevation above sea level, the output of the GARN® WHS unit will decrease 4% from its published value. For instance, the GARN® WHS 1500 with a rating of 250,000 BTUH installed at 5000 ft above sea level will only output 200,000 BTUH (20% less than the published value). In addition, the maximum allowable storage temperature will be lower:
Elevation (feet)
Maximum Storage Temp (°F)
Boiling Point (°F)
0
200 198 196 194 192 190 188 186
212 210 208 206 204 202 200 198
1000 2000 3000 4000 5000 6000 7000
92
GARN® WHS 1000 and WHS 2000 Manual | © HY-C® Company LLC | October 2024
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