Bacharach 24-9351 manual Performing a Combustion Test, Ending a Combustion Test

PCA Operation

4.3.3 Performing a Combustion Test

IMPORTANT: If the burner’s primary-air temperature is not the same as the room temperature, then be sure the Optional Room Air / Primary Air Thermocouple is installed per Section 3.3.

1.With the Combustion Test Screen displayed and the probe installed in the stack, press the key to start a combustion test (refer to Sec- tion 4.7).

2.Once all sensor readings are indicated on the screen: A) Loosen the thumbscrew on the probe stop. B) Move the probe in and out of the stack until the stack’s core temperature (hot spot) is located.

C) Tighten the thumbscrew to prevent further movement of the probe. Locating the highest stack temperature is very important for accurate combustion calculations.

3.You can now begin burner-service procedures. The readings on the analyzer change quickly to show changes in burner performance.

CAUTION

With the Water Trap / Filter Assembly stood up on its Outlet End, do not let water condensate build up beyond the tip of the riser tube. The sensors could be damaged if water would enter the analyzer. Drain the water condensate after every combustion test (refer to Section 6.4).

4.Pressing the key will save the Combustion Test Screen readings while a test is in progress. Moving the cursor (z) in front of the print ( P) function using the s key, and then pressing will print the test information to an optional printer.

4.3.4 Ending a Combustion Test

1. Press the key to end a combustion test.

WARNING!

Burn hazard! Allow a hot probe to cool for about 5 minutes before handling.

Instruction 24-9351 4-5