06
TNDZ
、
TNSZ series pillar type AC automatic voltage regulators
a)Do not load the product for the time being after it is powered on as required. First, stop the “Self-reset” switch on the
panel at the “Stop” position, and stop the “Manual/Automatic” switch at the “Automatic” positon (the arrow points to the
automatic position), as shown in Figure 8 Schematic Diagram of TNSZ-350~600 Panel.
b)Open the panel (front door), first close the small circuit breaker on the control panel, then close the circuit breaker switch
on the input side, and the “Power Supply Indicator” light is on.
c)Press the "Mains" button on the panel, the “Mains Indicator" light is on, the mains contactor and the output AC
contactor are connected, and the mains is directly output (without the voltage regulation function). At this time, the product has
no overvoltage, under-voltage and delay protection; press the “Stop” button on the panel, the mains contactor and the
output AC contactor are disconnected, the mains indicator light is off; press the “Voltage Stabilization” button, the voltage
stabilization contactor is closed, after 4s~8s, the output AC contactor is closed. At this time, the “Voltage Stabilization
Indicator” light is on, the voltage regulator outputs the voltage after regulation, and the output voltage meter displays the
voltage after voltage regulation.
d)After the voltage stabilization is started, stop the "Manual/Automatic" knob
at the "Manual" position (the
arrow points to the manual position), then press the "Step up" button on the panel, at this time, the output voltmeter shows that
the voltage should rise. When the voltage reaches (418 ± 3.8) V, the output AC contactor is disconnected within 4s-8s without
output voltage by this time, and meanwhile the "Fault Indicator" gives a sound-light alarm and the product is in an overvoltage
protection state. Then press the "Step down" button, to a certain degree, the output AC contactor is closed, the voltage regulator
should be able to automatically start the output, continue to press the “Step down" button, the output voltmeter displays the
voltage to drop, until the limit switch is disconnected and the motor power supply is cut off, press the “Step down" button again,
and then the output voltage will no longer drop. If the product is equipped with the under voltage protection function, the
under-voltage protection will start when the output reaches the protection value at the time of buck, and "Fault Indicator"
sends out a sound-light alarm.
e)After completing the above steps, turn the "Manual/Automatic" switch to the "Automatic Voltage Stabilization" position,
and then the voltage regulator realizes the automatic voltage stabilization.
f)Turn the “Self-reset” switch to the “Automatic Voltage Stabilization” position and then press the “Stop” button.
The product will restart after the output is cut off; turn on the voltage regulator again after the input breaker is turned off, the
voltage regulator should be able to automatically start the output.
7.
4.
3
TNSZ-
800
~1000
product
commissioning
is
the
same
as
7.
4.
2
commissioning
method
but
the
product
does
not
have
"SELF-RESET"
switch,
other
methods
are
the
same
,
.
7.5 Run
After the above commissioning is completed, disconnect the power supply, turn off the input breaker or knife switch of the
voltage regulator, and then connect the load. Then choose a reasonable operation mode according to the different
requirements of users.
7.5.1 Automatic voltage stabilization operation
Turn the “Manual/Automatic Transfer” switch to the “Automatic” position, turn the “Self-reset” switch to the
“Automatic Voltage Stabilization” position, and close the switch at the input end. Then the voltage regulator realizes the fully
automatic voltage stabilization operation.
7.5.2 Manual voltage regulation operation (TNSZ-350 ~ 600 products have this function)
Turn the “Manual/Automatic Transfer” switch to the “Manual” position, turn the “Self-reset” switch to the “Stop”
position, and close the circuit breaker switch on . Press the “Voltage Stabilization” button. The voltage regulator delays
the output, press the “Step up” or “Step down” button to adjust the output voltage of the voltage regulator. When you
select the manual voltage regulation mode, the product has no voltage regulation function and the output voltage may be
higher or lower than the rated value. Please pay attention to the influence of output voltage change on the load. When you
turn the “Manual/Automatic Transfer” switch to the “Automatic” position, the voltage regulator returns to the automatic
regulation state.
7.5.3 Fully automatic mains operation
Turn the “Self-reset” button to the “Mains” position and close the power switch at the input end to achieve the mains
operation.
