BEHLMAN BL20000 Series, Руководство пользователя и техническое руководство

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18
BL20K SERIES REV E 2013
SECTION 4
MAINTENANCE AND ADJUSTMENTS
! WARNING
This procedure involves the use of voltages and currents that can be
hazardous. Only qualified personnel should be allowed to operate or
service it. This procedure requires the removal of guards and covers
and will expose personnel to hazardous voltages.
Before performing any adjustments where access to the inside of the
equipment is required, be sure to turn off the unit and allow five minutes
for the DC power supply capacitors to discharge.
4.1 MAINTENANCE
IMPORTANT :
FAILURE TO MAINTAIN OR OPERATE THE UNIT PROPERLY WILL VOID THE WARRANTY. AMONG
THE ABUSES THAT ARE INCLUDED (BUT NOT LIMITED TO) ARE:
NOT MAINTAINING THE CLEANLINESS OF THE FILTERS (VACUUMING), OPERATING
OUTSIDE THE ALLOWABLE ENVIRONMENT, AND PHYSICALLY DAMAGING THE UNIT.
The decision on whether a units warranty is voided will be exclusively reserved for Behlman.
4.2 ADJUSTMENTS
NOTE
All the potentiometers used in the procedures that follow are located on the
controller card A1. See the printed wiring assembly in Section 6 for parts
location. Always use a non-metallic screwdriver when adjusting potentiometers.
4.2.1 TEST EQUIPMENT REQUIRED
TEST EQUIPMENT MANUFACTURER/MODEL
Current Clamp 0 -150 A (Fluke 80I-600 or equivalent current transformer)
Digital Voltmeter (DVM) Fluke 80 series True RMS type (or equivalent)
Frequency Counter HP 5314A (or equivalent, Fluke 80 measures frequency)
Oscilloscope 2 channel, min 20KHz Bandwidth with 10:1 probes.
Test Loads 3 X 3.6 ohms @ 5 KW each +/- 5% or equal
Alternate values will be needed for T15 option units
.