
TI3000 GPU-24-INV-1800
17
3
Operating Procedures
Check Unit Internal Resistance (Test for Shorts)
2.
Place the negative probe on the ac
ground post and the positive probe
to the dc positive post. Multimeter
should read greater than 10 MΩ.
3.
Move the positive probe to the dc
negative post. Multimeter should
read about 2 MΩ.
4.
Move the positive probe to the fastener
screw on the DC Receptacle. Multim
-
eter should read less than 1 Ω.
2.
Place the positive probe to the fas-
tener screw on the DC Receptacle.
Move the negative probe to the dc
negative post. Multimeter should
read 0 Volts.
3.
Place the negative probe to the fas-
tener screw on the DC Receptacle.
Move the positive probe to the dc
positive post. Multimeter should
read about 21-23 Volts.
1.
Set multimeter to Ohms.
1.
Set multimeter to Volts.
NOTE
!
Unit should be disconnected from any ac power sources prior
to testing for shorts.
Testing the DC Outlet