Reference Manual

Unit Description, ACCU-02
• One outlet for Climate Unit, protected by a 25 A circuit breaker
• One Service outlet, protected by a 10 A circuit breaker with
residual current breaker
•
Two DC outputs for cabinet lighting and auxiliary equipment,
protected by 1 A circuit breakers
• Rectifier for supply of Control Unit
• Voltage Regulator for supply of Control Unit and DC outputs
from +24 or -48 V DC
•
Relays which provide possibility to turn on and off the PSU
outputs
• Control Unit
17.2 Functions
•
Distributes AC power to the PSUs and makes it possible to
connect and disconnect the PSUs through the EPC bus.
•
Distributes AC power to the Climate Unit.
•
Provides EMC-filtering and protection against power line
disturbances on the incoming AC power.
•
Acts as a Disconnecting Device (Main Switch).
•
Supervises the mains and gives an alarm on undervoltage, fuse
fault and worn out overvoltage protectors.
•
Provides +24 V DC outputs to lighting in the cabinet and to
auxiliary equipment.
•
Provides a Service Outlet for instruments and tools.
17.3 Indicators
Table 126 ACCU indicators
Indicator
Colour
Operational Green
Control board fault Yellow
EPC bus fault
Yellow
Varistor fault Yellow
200 (485)
EN/LZT 720 0008 P2A
2001-11-28
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