Outdoor Kit Installation Manual

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Measuring carbon dioxide (CO2)

8 Measuring carbon dioxide (CO

)

Note: After installation of the outdoor vent cap,

measuring CO

for proper levels is recommended

before operating the appliance. See water heater

installation manual for details.

B To measure CO

on this appliance, a test port is

available under the louvered grill on the front of the

outdoor vent cap.

B To access test port, remove two screws on either

side of the louvered grill.

B Pull louvered grill free from vent cap.

B Insert combustion gas analyzer probe approximately

4 inches straight into test port. Do not slope probe

up or down.

B Confirm CO

is within proper range specified in the

water heater installation manual. Refer to water

heater installation manual if any adjustment is

necessary.

B When measuring is complete, replace louvered grill

with screws.

Fig. 23

1 Test port

Warning: Outdoor vent cap will get

very hot during operation.

B Ensure the vent cap is cool before

performing the procedure below.

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