Programming - TECSYSTEM VRT200 Instruction Manual

PROGRAMMING

VRT200
STEP PRESS
1
2
3
4
5
6
7
8
9
N.B.: any connection or programming errors might cause fan malfunctions.
ATTENTION:
We recommend you check the control unit before starting the device.
The default parameters set by TECSYSTEM might not suit your requirements.
Programming the device is the end user's responsibility: the set alarm thresholds and the enabled
functions described in this manual must be checked (by a specialized technician) referring them to the
application and system characteristics on which the control unit is installed.
11
EFFECT
Programming start
Programming
"%In"
Going to the "d.start" programming
step
Selection of the time in
seconds "d.start"
Going to the "d.trip" programming
step
Selection of the time in seconds
"d.trip"
VRT200
Going to the
"OVERTEMP-AUX
STOP" programming step
VRT200
Enabling or disabling PTC inputs.
Motor start
for automatic calibration CAL LED
ON
PRESS
Keep pressing for 5 seconds until the ON PRG
Set the maximum current variation allowed as a
percentage (5-10-20-30%) of the In. rated value.
Start delay: fan start time during which no
Select the desired time (5-10-20-
Trip delay: time during which the
alarm persists, necessary for signalling
Select the desired time (5-10-20-
By enabling this function it is possible to connect
a PTC (or series of PTCs) to control the motor
temperature. AUX1 for the M1 line
and AUX2 for the M2 line
LEDS ▲ ON: PTCs enabled
LEDs ▼ ON: PTC disabled
N.B.: if the PTC sensors are not
connected, the function must be disabled.
To perform the "automatic calibration" all motors
must be connected as per final configuration.
At the START the motors are
switched ON for 60 seconds, the
CAL LED flashes and LEDs 0-5-10-
20-30 light up in sequence.
When the calibration is completed, the
control unit resets and goes
VRT200
NOTES
LED switches ON.
Default 5%
alarm is generated
30 sec.)
Default 5
30 sec.)
Default 5
Default disabled
into REMOTE mode