KETOTEK KT3300 Plug-in Humidity Controller with Probe User Manual

1. Introduction

This manual provides detailed instructions for the operation and maintenance of your KETOTEK KT3300 Plug-in Humidity Controller. Please read this manual thoroughly before use to ensure proper functionality and safety. The KT3300 is designed to precisely control humidity levels for various applications, including grow boxes, incubators, terrariums, and storage areas.

Figure 1: KETOTEK KT3300 Plug-in Humidity Controller with external probe.

2. Key Features

• Easy Operation: Simply plug in your humidifier or dehumidifier and set the desired start and stop humidity levels.
• Humidity Control Range: 20% to 95% RH.
• Power Supply: 100~250V AC 50/60Hz.
• Output: Max 16A/230V.
• Operating Modes: Humidification or Dehumidification, determined by start and stop humidity settings.
• Countdown Function: M2 HC+CD OFF (countdown to turn off) and M3 HC+CD ON (countdown to turn on) modes available, with a range of 0~99 hours and 59 minutes.
• Long Probe: Includes a 3-meter humidity probe for flexible placement.
• Additional Functions: Humidity calibration, reset function, and power-off data saving to retain all settings.

Figure 2: Overview of KETOTEK KT3300 features.

3. Product Components and Display

The KETOTEK KT3300 consists of the main control unit with a digital display, control buttons, a power outlet, and an external humidity probe.

Figure 3: KETOTEK KT3300 labeled components and display.

Display Elements:

• Measured Humidity: Displays the current humidity detected by the probe.
• Start Humidity: The humidity level at which the connected device will activate.
• Stop Humidity: The humidity level at which the connected device will deactivate.
• Output Indicator: Shows when the device is actively humidifying or dehumidifying.

Control Buttons:

• M (Mode) Button: Used to cycle through operating modes and save settings.
• + (Increment) Button: Increases numerical values during setting.
• OK Button: Confirms selections and enters setting modes.
• - (Decrement) Button: Decreases numerical values during setting.
• Return/Reset Button: Returns to the previous screen or initiates a reset.

4. Setup and Basic Operation

4.1 Initial Setup

1. Plug the KETOTEK KT3300 into a standard EU power outlet (100~250V AC).
2. Connect the humidity probe to the designated port on the controller.
3. Place the humidity probe in the area where humidity needs to be monitored and controlled.
4. Plug your humidifier or dehumidifier into the power outlet on the KT3300.

4.2 Setting Humidity Control (M1 HC Mode)

This mode allows you to set a specific humidity range for humidification or dehumidification.

1. Press the M button to enter M1 HC mode.
2. Press the OK button to set the Start Humidity. Use the + or - buttons to adjust the value.
3. Press the OK button again to set the Stop Humidity. Use the + or - buttons to adjust the value.
4. Press the M button to save your settings.

Note:

• If Start Humidity < Stop Humidity, the KT3300 operates in Humidification Mode. The device will turn on when humidity drops below the Start Humidity and turn off when it reaches the Stop Humidity.
• If Start Humidity > Stop Humidity, the KT3300 operates in Dehumidification Mode. The device will turn on when humidity rises above the Start Humidity and turn off when it drops to the Stop Humidity.

Figure 4: Easy configuration steps for humidity control.

5. Advanced Operating Modes (Countdown Function)

The KT3300 offers countdown timer functions to activate or deactivate humidity control after a set period.

Figure 5: KETOTEK KT3300 operating modes.

5.1 M2 HC+CD OFF Mode (Countdown to Turn Off)

In this mode, humidity control operates normally, but it will automatically turn off after the set countdown period expires.

1. Press the M button repeatedly until M2 HC+CD OFF is displayed.
2. Press OK to set the countdown time (hours and minutes). Use + or - to adjust.
3. Press OK to set the Start Humidity and Stop Humidity as described in Section 4.2.
4. Press M to save settings and start the countdown.

5.2 M3 HC+CD ON Mode (Countdown to Turn On)

In this mode, humidity control will remain off until the set countdown period expires, after which it will activate and operate according to the set humidity range.

1. Press the M button repeatedly until M3 HC+CD ON is displayed.
2. Press OK to set the countdown time (hours and minutes). Use + or - to adjust.
3. Press OK to set the Start Humidity and Stop Humidity as described in Section 4.2.
4. Press M to save settings and start the countdown.

6. Additional Functions

6.1 Humidity Calibration

If you suspect the humidity readings are inaccurate, you can calibrate the device:

1. With the device powered on, press and hold the OK button for 3 seconds to enter the parameter settings.
2. Use the M button to navigate to the humidity calibration parameter (usually indicated by a specific code in the manual, e.g., 'HC').
3. Use the + or - buttons to adjust the calibration value. A positive value increases the displayed humidity, a negative value decreases it.
4. Press M to save and exit.

6.2 Reset Function

To restore the device to its factory default settings:

1. With the device powered on, press and hold the Return/Reset button for 3 seconds.
2. The display will show a confirmation message or reset directly.

6.3 Power-off Data Saving

The KT3300 automatically saves all your settings in case of a power outage, ensuring that your preferred humidity control parameters are retained when power is restored.

7. Applications

The KETOTEK KT3300 Plug-in Humidity Controller is versatile and suitable for a wide range of applications requiring precise humidity management:

• Home brewing and fermentation
• Greenhouses and plant cultivation
• Terrariums for reptiles and amphibians
• Incubators for eggs
• Meat curing and food preservation
• Mushroom cultivation
• Grow tents
• General household humidity control

Figure 6: Diverse applications of the humidity controller.

8. Specifications

9. What's in the Box

• 1 x KETOTEK KT3300 Plug-in Humidity Controller
• 1 x User Manual

10. Troubleshooting

This section addresses common issues you might encounter with your KETOTEK KT3300.

11. Warranty and Support

KETOTEK products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the contact details provided with your purchase or visit the official KETOTEK website. Please retain your proof of purchase for warranty claims.