Rated Output Power (per Rectifier)

2800 W (45ºC)

 

 

Efficiency

91% Typical

 

 

6.3. Controls and Indicators

Rectifiers

Input Healthy LED

AC power present.

 

 

 

 

Output Healthy LED

DC output voltage within operating range (-39.5

 

 

to –59.5 VDC).

 

 

 

 

Output Current LED

On when rectifier is supplying current.

 

 

 

 

Thermal Control LED

On when one of three internal sensors is above

 

 

90ºC

 

 

 

 

Current Limit LED

On when rectifier is in current limit.

 

 

.

 

 

 

 

Overvolts LED

On when rectifier is above 57 Volts. (Must be

 

 

powered down to reset)

 

 

 

 

Overtemp LED

On when one of three internal sensors is above

 

 

130ºC. Power Conversion is inhibited.

 

 

 

 

Fan fail LED

On when Fan is running too slow.

 

 

 

 

Standby LED

On when the unit is in the standby mode. No

 

 

output power is produced. Rectifier is still

 

 

active

 

 

 

 

+V Test Point

Rectifier Voltage can be measured with a

 

 

voltmeter between COM and +V.

 

 

 

 

COM Test Point

Negative reference for both +V and +I

 

 

 

 

+I Test Point

Rectifier Current can be measured with a

 

 

voltmeter between COM and +I.

 

 

 

 

Float / Boost/Equalize Switch

Used to Control voltage on systems without a

 

 

PSCU

 

 

 

 

Float Trim Pot

The float pot is used to adjust the default float

 

 

 

 

Page 48

MX28B200/400 –48 VDC User’s Manual (990-9133)

Page 54
Image 54
American Power Conversion MX28B200 user manual Rectifiers, Pscu