Liebert 7400 Series User Manual page 98

Chapter 4 - Optional equipment
Option Board Kit (Part no. 77000005)
SHUNT LINK
POSITION
1 1-2
2-3
2 1-2
2-3
3 1-2
3-4
1-2 & 5-6
4 1-3
2-4
5 1-2
2-3
6 1-2
2-3
No links
4-32
Issue 2
(02/98)
6310018a.02.doc
6. Connect auxiliary wiring required as shown in figure 4-18
Battery charging temperature compensation
temperature sensing element
Reduced input current limit
normally open contacts
Reduced battery current limit
normally open contacts
7. Calibrate the options using instructions sheet part number 77000008.
Reduced Input current limit Calibration Mode.
Normal Operation.
Reduced Battery current limit Calibration Mode.
Normal Operation.
Reduced Input current limit:
Reduced battery current limit:
Reduced battery current activated when reduced input current limit isactive.
Temperature Compensation Calibration mode selected. (The remote temperature
sensor MUST be removed before operation in this mode.
Temperature Compensation mode selected.
LED 4 illuminates at temperatures set by SOT R26 (i.e. Battery Over Temp
Alarm).
LED 4 illuminates when the Temperature Compensation system becomes active.
Temperature compensation enabled: This applies to a 6 pulse Rectifier logic board
(part no. 4520049B) NOW OBSOLETE.
Temperature compensation enabled. 12 pulse Rectifier Logic board (part no.
4520073 Z).
Temperature compensation disabled.
Table 3 - Option board - Summary of link settings
7400 Series UPS User Manual
Single Module and One plus One Systems
-
-
-
DESCRIPTION
Link fitted - System enabled
Link not fitted - System Disabled.
Link fitted - System enabled
Link not fitted - System Disabled.
TB1-1 and TB1-2
TB1-3 and TB1-4
TB1-5 and TB1-6.