Figure 28 Equalize Voltage And Duration Settings; Fuse; Test Points; Table 37 Fuse - Liebert 1500 User Manual

Figure 28 Equalize voltage and duration settings

Switch # 1
OFF ON
1
2
3
4
5
6
Fuses
Thirty-four fuses for circuit protection as described in Table 37. Except for the ABS fuse, which is
small tube type (9/32" dia x 1-1/4" long), all fuses are of the QFF type.
Table 37

Fuse

Designation
ABS
ABS ALM
RC1 to RC24
CONV
METER
CHG
Spare 1 and 2
BAT
CONT
Plus one unused position

Test points

Three sets of test points for applications as described in Table 38.
Table 38 Test points
Designation
CAL OUT + and -
VOLT + and -
PWR EXT + and -
TIMER
2 3 4 5 6
10 sec.
20 sec.
38 sec.
1.25 h
3.0 h
5.0 h
LOP enabled
: switch in the ON position
Capacity
15 A -48 V supply for the office alarm circuit(s)
1/2 A Alarm fuse for the above ABS fuse
1-1/3 A -48 V sense supply for the rectifiers of the system
1/2 A Protection for the internal converter in the controller
1/2 A Protection for the meter and selector panel if so equipped
1/2 A Protection for internal circuitry of the controller when the CONT rotary switch
is in the CHG VOLT position
0 to 5 A For external loads as required (ex.: Helios Monitor)
1/2 A Protection for internal circuitry of the controller when the CONT rotary switch
is in the BAT VOLT position
1-1/3 A Protection for the internal circuitry of the controller
To connect an external meter when calibrating the LED readout for current readings
To connect an external meter when adjusting the BOD, LF, LV, HF, HV, HVSD, LVD and
LVR thresholds
The connect an external power supply when adjusting the LVR threshold
VOLT
Switch # 1 2 3
Description
Description
0.6V
1.3V
1.9V
2.6V
1
2
3.2V
3
3.9V
ON OFF
4.6V
Operation 31