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COSTAN TECHNICAL DOCUMENTATION
REVISION STATUS
TRUE COPY
PAGE 14 OF 8
PRODUCT:
EPTAGLOO
ORD
DATE
CHANGE ORDER
OF THE SIGNED
DATE OF 1st ISSUE
DOC. no.
QSM0000406A
CHAP.
No.:
050
A
23.Feb.2010
RANGE
EXTENSION
ORIGINAL
13/June/07
CHAPTER:
ELECTRICAL PANEL
TECHNICAL SPECS
ISSUED BY MKT
23 Important warning
Breaking capacity of electrical panel
The circuit-breaking capacity (Icu) of the electrical panel is 50kA.
This information must be carefully considered when installing the equipment.
(Icu=rated ultimate circuit-breaking capacity).
Coordinating power equipment
The devices protecting compressors (overcurrent cutout-contactor) and condenser fans
(overcurrent circuit-breaker and contactor) must be coordinated according to standards DIN VDE
0660, part 102/IEC947-4-1.
Coordination can be of two types: type one and type two. Costan electrical panels are designed for
coordination
type 1
(one):
this means that the overcurrent cutout and relevant contactor must
be replaced after short circuit has occurred downstream from the contactor (e.g. winding of
compressor electric motor).
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