Granby B*C-3 sections, Инструкция по установке, эксплуатации и обслуживанию

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SAMPLING HOLE
On smoke/vent pipe, drill a 3/8” round opening. The hole should be at
least 2 flue pipe diameter from breeching or elbow of the boiler.
REAR FLUE BOILER ILLUSTRATION
DRAFT PRESSURE
Using an accurate draft meter; adjust the draft control to obtain -0.03”
w.c. draft pressure at the breech sampling hole. The draft regulator’s
adjustments should be made after boiler has been running under
heating mode for at least 5 minutes
All your tests must be done with the burner cover on
COMBUSTION
After 10 minutes of normal operation, take a smoke test and adjust
SETTING/ the burner to obtain a reading of “1” on the smoke scale.
EFFICIENCY
To reach the maximum smoke test
value, a 10 full slow steady pump
action is required.