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4
ADVR-073
Figure 1
Manual Field Flash
SECTION 7 : STARTUP ADJUSTMENT
7.1
Voltage Adjustment (VOLT)
Set VOLT and STAB full CCW. Start generator and
wait until it reaches rated frequency. Slowly adjust
VOLT CW to its rated voltage. If you are using an
external VR, set it first to its center position before
setting volts.
7.2
Stability Adjustment (STAB)
If the generator voltage oscillates back and forth, adjust
the STAB to steady the output voltage. Over
adjustment, CW may give you large voltage swings
when changing loads, Use an analog type voltmeter
when setting STAB. Connect the voltmeter to terminals
F+ and F- and slowly adjust STAB for minimum needle
movement when varying load.
7.3
Under Frequency Adjustment (U/F)
To adjust the U/F setting, select working Hz using DIP
SW 1, start the engine and adjust engine speed to
either 55 Hz or 45 Hz slow adjust U/F until the red U/F
LED turns ON. Returning the engine speed back to
normal turns the LED light off.
SECTION 8 : FIELD FLASHING
When the regulator is installed correctly but the
generator is failed to generate power. Besides carbon
brushes were worn out, here are two possible causes
below.
8.1
The polarity of field is inverse
Solution
：
Exchange the connection of F+ and F-.
8.2
The residual voltage is less than 5 Vac,
Solution 1
：
8.2.1 Shut down generator, disconnect the wiring
between AVR and generator then flash the field.
Flashing duration = 3 seconds. (See wiring in
Figure 1)
Resistor 3
– 5 ohms for full wave AVR
Resistor 5
– 10 ohms for half wave AVR
Warning
!!
Over field flashing may damage
the field winding of generator.
8.2.2 Restart generator and measure the residual
voltage by AC Voltmeter, if it is still less than 5 Vac,
repeat the previous process, after several times,
the residual voltage still cannot be built, Kutai
EB500 is strongly recommended, see Figure 1.
Field
SW
R
-
+
V
F+
F-
BATT.
~
G
~
T
S
R
WARNING
Overly field flashing may damage the AVR or
generator excitation winding.
Please make sure you have read and understand
the contents of the instruction manual prior to
installation. Incorrect wiring connection may
result in irreversible damage to the product and
other equipments.
