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Troubleshooting Tips, Continued

c. Ensure that the exhaust fan is ‘ON’ and set at the fastest speed, if adjustable OR the heater 

is at the highest setting possible, if adjustable.

d.  Verify that the Zephyr

 3 is set at the proper temperature level to activate and deactivate 

equipment. 

e. If your ventilation equipment does not turn off, verify that your exhaust fan is the correct 

size for your grow area. Increase the size of exhaust fan (if necessary) to cool the garden as 
quickly as possible.

f.  If your heating equipment does not turn off, verify the your heater is the correct size for your 

grow area. Increase the size of heater (if necessary) to warm your garden as required.

g. If you are still having problems with your Zephyr

 3, please contact our Technical Service 

Representative at 888-808-4826 to assist you further.

Controller Specifications:

•  Size =  8”H x 4”W x 2.5”D

•  Weight = 2 lbs.

•  Input Voltage = 120 Volts/AC 

•  Output Voltage = 120 Volts/AC 

•  Maximum Amperage = 15 Amps

•  Operating Hertz = 60 Hz

•  Minimum/Maximum Temperature Control Levels = 40° to 100°F (5°C to 38°C)

•  Temperature Accuracy = ± 3°F of desired setting

•  Cord set = 6 feet - 14/4 SWJ

•  Storage Temperature = 32° to 135°F (0° to 58°C)

•  Operating Temperature = 45° to 95°F (7° to 35°C)

Installation Example

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