Alemite Carbon Shield, Инструкция по установке, эксплуатации и обслуживанию

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Troubleshooting Chart | 39
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troubleshooting chart
Problem Possible cause Possible solution
Low mist pressure 1. Air supply pressure below
70 psi, or 4.92 kg/cm
2
(below 90 psi, or 6.33 kg/
cm
2
, for 13 CFM & 21
CFM units)
1.1 verify the air supply pressure is between
70 and 150 psi (4.92 and 10.55 kg/cm
2
).
Change over to the backup unit and
adjust pressure as needed.
2. Regulator inside cabinet
set to less than 65 psi,
or 4.57 kg/cm
2
(Less than
90 psi, or 6.33 kg/cm
2
, for
13 & 21 CFM units)
2.1 Adjust regulator pressure above 65 psi
(4.57 kg/cm
2
). Recommended setting is
80 psi, or 5.63 kg/cm
2
(95 psi, or 6.68
kg/cm
2
, for 13 CFM & 21 CFM units)
3. Mist pressure set point set
too low.
3.1 Press the “Parameter values” button
on the main menu screen to display the
mist pressure value. Factory default is 20
inches H
2
O column or 50 mbar.
3.2 Adjust mist pressure by pressing
the “Change Parameter” button on
the main menu, then the Air Flow
Parameters, then the + or – buttons
on the Flow Parameters screen to the
desired mist pressure level.
4. Change in installation
conditions
4.1 Low mist pressure may be the result
of leakage in the mist supply lines.
Check the alarm log for leakage alarm
and time, repair as needed.
4.2 verify that mist fittings were not
replaced by larger size or by a mist
supply line.
5. Transducer failure 5.1 Transducer regulator out of range. Alarm
log may indicate device malfunction
which may require replacement.