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Chapter Three: Field Calibration Guide
3.1. Introduction
There are several variable resistors(SVR or potential-meter) and jumpers
on the PCB. They are used for the adjustments of set points which vary
from different electrical applications.
3.2.Tools Required
Tools
Description
1. AC Source
: To offer an input power 100/110/120 or
220/230/240Vac to the UPS.
2. Multi Meter
: To measure the Input Voltage and Battery Voltage
of the UPS
3. Power Meter
: To measure the Output Voltage and Output Power
of the UPS.
4. Resistance Load
: Bulb Fixture(700W/1400W/2100W)
5. Screw Driver
: flat-type, cross-type
3.3. Technical Data
3.3.1. Battery Charging Voltage(25 C)
Set point
Model
Battery Charging Voltage
1. MS1K
41.4VDC +/-0.5V
2. MS2K
82.8VDC +/-0.5V
3. MS3K
110.4VDC +/-1.2V
3.3.2. Setpoints for Battery Low and Battery Cutoff
Model
Battery Low
Battery Cutoff
1. MS1K
32.4V +/-0.5VDC
28.8+/-0.5VDC
2. MS2K
64.8V +/-0.5VDC
57.6V +/-0.5VDC
3. MS3K
86.4V +/-0.5VDC
76.8V +/-0.5VDC
3.3.3. Fuse Rating(for Standard Models)
Model No.# MS1K/MS1KR
MS2K/MS2KR
MS3K/MS3KR
DC Fuse
40A/20A*2
20A*2
20A*2
AC Fuse for
230Vac
10A/250V
20A/250V
25A/250V
AC Fuse for
120Vac
20A/250V
25A/250V
50A/250V
Summary of Contents for 3 MS series
Page 7: ...7 1 2 3 4 5 6 7 8 9 Pin 6 RS232 Rx Pin 9 RS232 Tx Pin 7 Ground...
Page 24: ...24 5 2 Fault LED Lights up and No Output FIG 5 2...
Page 32: ...32 6 2 Fault LED Lights up and No Output FIG 6 2...
Page 39: ...39 Appendix a 1 Wiring Diagram a 1 1 For MS 1K...
Page 41: ...41 a 1 3 For MS3K...
Page 42: ...42 a 2 Placements a 2 1 For MS1K 220V...
Page 43: ...43 a 2 2 For MS2K 220V a 2 3 For MS3K...
Page 44: ...44 a 2 3 For MS3K 220V...
Page 45: ...45 a 2 4 For MS1K 120V...
Page 46: ...46 a 2 5 For MS2K 120V...