Colasit CMVpro 125-400 ATEX, Руководство по эксплуатации, Страница: 67 / 88

Repair | 12
Operating instructions CMVpro 125-400 ATEX | Version 1-en 67 / 88
Fault Possible cause Fault discovery Remedy
Impeller dips into con-
densate at bottom of
casing. Type K: visual inspec-
tion. Drain condensate
_ Chap. 5.3.5 [ } 30].
Type V: visual inspec-
tion. Clean and replace
condensate drain/
siphon
_
Chap. 5.3.5 [
}
30].
- Retrofit with casing
drain.
Loose/defective vibra-
tion absorbers or fas-
tening elements. Visual inspection Tightly screw/replace
vibration absorbers
_
Chap. 7.4 [
}
38]
and following.
Improper mounting. Installation location re-
quirements
met
_ Chap. 7.2 [ } 36]
.
Fortify foundation
(baseplate). Resize
fastening elements
(anchors).
Overheating of
electric motor. Bearing or winding
damage. Auditory inspection,
current draw measure-
ment, winding mea-
surement. Repair or replace elec-
tric motor
_
Chap. 12.7 [
}
73].
Impeller stiff or
stopped. Visual inspection. Remove deposits or
foreign objects
_
Chap. 11.3.3 [
}
62].
Motor overload due to
improperly positioned
damper valve. Measure flow rate and
pressure at the operat-
ing point. Set damper valve to
proper position.
Motor overload due to
system changes. Fan/electric motor no
longer meeting the op-
erating point. Consult with point of
contact (see title
page).
FC does not reach re-
quired voltage. Check FC. Use a suitable FC.
Prohibited op-
erating condi-
tions. Ductwork not leak
tight. Check for leakage. Seal up.
Loose hose clamps or
damaged sleeves. Re-tighten hose
clamps or replace
sleeves
_
Chap. 7.8 [
}
41].