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Hitachi RCUE100AG2 User Manual

Hitachi RCUE100AG2
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SMGB0003 rev.0-01/2007
pag. 21
Test run
2
2
2.1.3. Electrical System
Fuse
Confi rm visually if fuse is suitable. See technical catalogue
for detail regulation of fuse.
Electrical
device
Confi rm individually if screws in installation part and wire
connection part are not loosed using driver. Check it
carefully since devices might be damaged if screws in wire
connection part are not tightened well.
Confi rm if the insulation resistance is more than 1MΩ in
500V DC. In case of below 1MΩ, do not operate the unit
since insulation of electrical device has failure.
Compressor
Check if insulation works well. Do not operate the unit in
case of below 3MΩ in 500V DC (fi g.1)
Fan motor
Check if insulation works well. Do not operate the unit in
case of below 3MΩ in 500V DC. (fi g.1)
Wire in the
unit
Confi rm touching directly with hands if the wiring is not
removed or loosed.
Confi rm the covered insulation part. Pay attention not to
touch it by wet hand or to touch directly the edge of metal
plate or high temperature part of electrical devices. (fi g.2)
Local wiring
Confi rm if earth wire is installed correctly and not broken.
Confi rm if R, S, and T phase are connected correctly.
Confi rm the local wiring size. If the volume is not suffi cient,
it may cause extreme heating or fi re.
Electrical
expansion
valve
Confi rm if convex part of electrical expansion valve coil
is well fi xed to concave part of electrical expansion valve
body.
500 V
DC
Fig.1
100 ºC
over
Fig.2

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Hitachi RCUE100AG2 Specifications

General IconGeneral
BrandHitachi
ModelRCUE100AG2
CategoryChiller
LanguageEnglish

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