3
HOW TO MEASURE THE DRAW OF A CHIMNEY FLUE
In order to measure the draw of a chimney flue, follow the procedure
where a testo 510 instrument will be used (Figure 1):
• Remove the side panel from the stove so that it is possible to
access the exhaust outlet (Figure 2). Disconnect the silicone
tube from the pressure switch.
• Connect the instrument as indicated in Figure 3. Position it in a
way so that it maintains a firm vertical position during the meas-
uring phase.
• Keep the front door of the combustion chamber of the stove and
the pellet tank door closed and press the on button of the instru-
ment, reset it before measuring the draw.
Figure 1 Figure 2
INSULATED
CHIMNEY
FLUE
PROTECTION
CAP
INSULATED “T”
WITH
INSPECTION CAP
EXTERNAL CHIMNEY FLUE
CORRECT
INSTALLATION
PROTECTION
CAP
INSULATED
CHIMNEY
FLUE
CHIMNEY
FLUE
“T” WITH
INSPECTION
CAP
INTERNAL CHIMNEY FLUE
CORRECT
INSTALLATION
CHIMNEY FLUE THROUGH OUTSIDE WALL
CORRECT
INSTALLATION
PROTECTION
CAP
INSULATED
CHIMNEY
FLUE
INSULATED
“T” WITH
INSPECTION
CAP
CHIMNEY
FLUE
“T” WITH
INSPECTION CAP
“T” WITH
INSPECTION
CAP
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