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6
Measuring carbon dioxide (CO2)
6 Measuring carbon dioxide
(CO
2
)
B To measure CO
2
on this appliance, a measuring port
is available under the louvered grill on the front of the
outdoor vent cap.
B To access measuring port, remove two screws on
either side of the louvered grill.
B Pull louvered grill free from vent cap.
B When measuring is complete, replace louvered grill
with screws.
Fig. 9
1 Measuring port
Warning: Outdoor vent cap will get
very hot during operation.
B Ensure the vent cap is cool before
performing the procedure below.