Users Manual

The most serious alarms are stored in the fault log, and may be viewed by following the steps shown in Figure 2-3. To reset the alarms, press the “clear fault log” pushbutton. See section 1.5.2.2 Alphanumeric Display Pushbuttons.

Figure 2-3: Sequential Alarm Messages for Viewing the Fault Log.

ALARM

 

. . .

!

(ALARM MESSAGE NUMBER 1)

!

(LAST ALARM MESSAGE)

general status screen

2.4Sensor Measurements

This message on the general status screen indicates an alarm condition. The flashing

exclamation mark ( ! ) indicates that there are . alarm messages to view. To view them, press the "alarm" pushbutton.

The last alarm message is not followed by an exclamation mark ( ! ). When the "alarm" pushbutton is pressed again, the display will return to the general status screen.

The LCD displays comprehensive information about UPS performance monitoring functions through sensor measure- ments devices located within the EPS 7000 single module. See Figure 2-4.

Figure 2-4: Measurement Sensors Located throughout the EPS 7000 Single-Module UPS.

EPS 7000 MODULE

BYPASS V, Hz

MBP

BYPASS

Q4S or K4S

STATIC SWITCH

Q3BP

 

 

 

 

 

 

AC INPUT/

 

 

 

 

MAINS 2

EPSBYPASS7000

 

 

 

 

 

 

 

 

V, Hz

 

 

 

MAIN

MODULE

 

 

Q5N

 

 

 

 

 

 

 

AC INPUT/

Q1

 

 

 

MAINS 1

 

 

 

RECTIFIER/

INVERTER

 

 

INVERTER

 

CHARGER

 

V, Hz, A, W

CHARGER

EPS 8000

 

 

BATTERY

 

BATTERY

V, A, Hz

QF1

CABINET

V, A

 

TO ATTACHED LOAD

LOAD

V, A, Hz, W

Operation

page 2 —3

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Image 27
MGE UPS Systems EPS 7000 user manual Sensor Measurements, Bypass V, Hz