9
Chapter 2. MOUNTING
(3) Carry out the air purging of the monitoring pipe.
The air purging of the inside of the monitoring pipe is useful to
cool this unit and keep the monitoring area clean.
In particular, if the ambient temperature of this unit exceeds
120°C, the cooling, such as air purging is needed.
•
If the inside of the furnace is a type of induction, make an air
purging hole in the monitoring pipe.
•
If the forced type furnace is used, connect an air purging sup-
ply pipe.
Mounting procedure
When mounting the AUD300C on a monitoring pipe, proceed as follows:
zCheck item
File the monitoring pipe in advance to eliminate burrs and protrusions.
zMounting
(1) Hold the unit securely with one hand to prevent it from rotating.
(2) Tighten the mounting nut approximately 4 turns with the other
hand until the unit is held securely in place.
(3) Make sure the unit is properly aligned in the vertical plane when
viewed from the front. (
Mounting orientation (P.6))
Handling Precautions
•
Be sure the AUD300C is properly aligned vertically when seen
from the front. If not, the shutter in the shutter unit may be
damaged or malfunction.
•
File any burrs or protrusions from the monitoring pipe. If the
packing in the mounting nut is damaged, any chance of leak-
age may be caused.
•
Do not use a tool such as pipe wrench when tightening the
mounting nut. Excessive torque by a tool could damage the
packing and compromise the seal.
•
Do not adjust the mounting pose by
forcibly holding the unit or wiring pipe.
Failure to do so may damage the pack-
ing and compromise the seal.
Incorrect
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