Vacon 20 CP, Installation, Technical And Maintenance Manual

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Safety vacon • 10
Service support: find your nearest Vacon service center at www.vacon.com
1
Figure 4. Insulation system (single-phase version).
1.8 Compatibility with RCDs
(*)
Only for MS3.
(**)
The relays may be used also with DVC A circuits. This is possible only if both
relays are used for DVC A circuitry: to mix Mains and DVC A is not allowed.
This product can cause a d.c. current in the protective earthing conductor. Where
a
residual current-operated protective (RCD) or monitoring (RCM) device is
used for protection in case of direct or indirect contact, only an RCD or RCM of
Type B is allowed on the supply side of this product.
POWER UNIT
L
N
U
V
W
R01 __
R02 __
10Vref __
Analog Inputs __
Digital Inputs__
Analog Output __
24V __
RS485 __
Keypad
CONTROL UNIT
Reinforced
Mains
DVC A
DVC A or Mains
(**)
DC- DC+