Troubleshooting Tips
If the Kronus 4 is not performing as expected, try the following:
a. Make sure that the power switch is lit and in the ‘ON’ position.
b. Confirm that your power input is active by using a voltage test meter, and providing 120 Volts to
the controller.
c. Validate the voltage outputs of the Kronus 4 are active by setting the dials at the lowest
settings, and using a voltage test meter, fan or 120 Volt light to verify power is flowing through
the controller.
d. Ensure that the exhaust fan and dehumidifier are ‘ON’ and set to the maximum level.
e. Verify that the Kronus 4 is set at the proper levels to activate and deactivate equipment.
f. If your ventilation or dehumidification equipment does not turn off, verify that your exhaust fan
and dehumidifier are the correct size for your grow area. Increase size of fan or dehumidifier
(if necessary).
g. Make sure that the remote sensor is in a well lit area and not shaded or obstructed.
h. Inspect the remote sensor and make sure it is dry. If not, allow to dry prior to activating.
i. Check the remote sensor to verify that the green LED is steady ‘ON’ and NOT blinking.
j. If the green ‘ON’ LED on the Kronus Temperature and Humidity sensor is blinking, there is a
communication problem between the sensor and the controller. Contact your Dealer or our
Technical Service Representative to help you.
k. If you are still having problems with your Kronus 4, please contact our Technical Service
Representative to assist you further.
Controller Specifications:
• Size = 9.5"H x 8.5"W x 2.5"D
• Weight = 3 lbs.
• Input Voltage = 120 Volts/AC
• Output Voltage = 120 Volts/AC
• Maximum Amperage = 15 Amps
• Operating Hertz = 60 Hz
• Minimum/Maximum Humidity Control Levels = 40% to 90% (non-condensing)
• Humidity Accuracy = ±5% of desired setting
• Minimum/Maximum Temperature Control Levels = 45° to 95°F (7° to 35°C)
• Temperature Accuracy = ± 2°F of desired setting
• RoHS compliant = Yes
• Cord set = 6 feet - 14/4 SWJ
• Remote Sensor Cable = 25 feet/Cat 5e/RJ45
• Storage Temperature = 32° to 135°F (0 to 58°C)
• Operating Temperature = 45° to 95°F (7 to 35°C)
Kr
onus 4
120 V
olt
Power in
Cir
culation Fan
Night Light
Dehumidifier
Exhaust Fan
Remote
Sensor (25 feet)
OR
Kr
onus
Sensor
CO
2
Generator
CO
2
Tank
OR
Atlas 1
CO² Monitor and Contr
oller
Controlling a CO² Tank or CO² Generator, Circulation Fan,
Exhaust Fan, & Dehumidifier
Installation Example
