Hitachi G 18SE3, Technical Data And Service Manual

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8-5. Wiring Diagram
(1) G 18SE3/G 23SC3
G 18SG2/G 23SE2
(2) G 18UA2/G 23UA2
G 18UB2/G 23UB2
Wiring dia.
8-6. Insulation Tests
On completion of disassembly and repair, measure the insulation resistance, and conduct the dielectric strength
test.
Insulation resistance: 7 M
Ω
or more with DC 500 V Megohm Tester
Dielectric strength test: AC 4,000 V/1 minute, with no abnormalities ................... 220 V --- 240 V products
AC 2,500 V/1 minute, with no abnormalities ................... 110 V --- 127 V products
8-7. No-load Current Value
After no-load operation for 30 minutes, the no-load current value should be as follows.
(a)
(b)
(c)
<For U.S.A.>
Fig. 18
230
3.8
Voltage (V)
Current (A) max.
110
6.3
220
3.6
240
3.7
120
6.8
Field Coil
Field Coil
Switch
Condensor
Ass'y (0.22
µ
F)
Power
Source
Field Coil
Field Coil
Switch
Damper
Power
Source
Condensor
Ass'y (0.22
µ
F)
Resistor
Ass'y
Field Coil
Field Coil
Power
Source
Switch