Master Menu; Fuse Replacement; Calibration Of The Sensor; Sensor Control - TechGrow T-2 Pro Manual De Instrucciones

BOX A/M Auto
BOX min 10%
=> BOX max 90%
Select box
For manual operation of the fan, select "Man". In this
mode, the fan always runs at the speed "Box power".
Set the box power (ventilation capacity) between 0%
and 100% by turning the PTK.
Confirm by pressing the PTK.
BOX A/M Man
=> BOX power 40%
Select box
After a few seconds you will return to the main screen.

17. Master menu

Reboot your controller and keep the PTK pressed during
the process. You enter the master menu:
=> Reset2factory
Hardware test
Fast CO2 calibr.
>> NEXT >>
The master menu has three options:
1. Reset2factory: the controller clears all settings and
will be restored to factory settings.
2. Hardware test: all functions of the controller will be
tested.
3. Fast CO calibration: allows you to calibrate the
2
sensor in 3 minutes. Only use this function if you are
familiar with it. For standard calibration procedure,
see section 19.

18. Fuse replacement

If the T-2 Pro is overloaded or in the event of a short
circuit, the internal fuse will blow. The fuse is placed at
the front panel, at the right of the sockets. (Left of the
sockets you will find the fuse for the fan.)
To replace the fuse, go through the following steps:
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1. Press the black fuse holder slightly with a
screwdriver and turn it a quarter of a turn
counterclockwise.
2. Remove the fuse holder.
3. Remove the blown fuse.
4. Insert a new fuse with similar specifications in the
fuse holder.
5. Reinstall the fuse holder in the housing of the T-2
Pro.
6. Then press the fuse holder again with a screwdriver
and tighten it by turning it a quarter turn clockwise.
Your T-2 Pro is ready for use again.
ATTENTION: Damage caused by using the wrong
fuse is not covered by warranty.

19. Calibration of the sensor

The TechGrow T-2 Pro is equipped with a calibration
function that allows you to calibrate the external sensor
yourself in case of large deviations. Our experience has
shown that our sensors can easily function for two years
without calibration. Our sensors are calibrated at the
factory with the highest accuracy. However, in
exceptional cases it might occur that the sensor shows a
deviation and needs to be recalibrated after only one
year of use.
ATTENTION: calibrate the sensor only if you suspect
a deviation!

19.1 Sensor control

If you suspect a deviation of the sensor, first go through
the following steps:
1. Place the sensor in a CO
indoors or 2 hours outside).
2. Connect the sensor to a TechGrow CO
with Min/Max display.
3. Reset the Min/Max value of the CO
4. Leave the sensor and controller at least 8 hours.
5. Check the minimum measured value of the
controller.
6. If the minimum value is below 380 ppm or above
440 ppm, your CO sensor needs to be calibrated.
2
7. Perform the calibration according to the instructions
in sections 19.2 and 19.3.
8. Repeat this sensor check after calibration.
-neutral room (8 hours
2
controller
2
controller.
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