INSTRUCTIONS
www.Hydrofarm.com
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WARNINGS
• Do NOT cover the chiller unit with anything during operation.
• Place the chiller in the upright position ONLY for operation and storage purposes.
• Avoid direct contact with liquids to the external body of the chiller unit. Failure to do so may
result in damage to the unit or electric shock.
• Keep power cord free of obstructions, such as heavy or sharp objects sitting directly on it.
• This chiller is approved for indoor use ONLY.
• Keep the unit away from flammable vapors, direct sunlight, high temperature exposure, and
high humidity.
• Do NOT submerse the chiller. Doing so will damage the unit and may inflict electric shock.
OPERATION
1. Do NOT power on the chiller unit yet. Fully submerge the water pump to be used, plug it in, and
ensure that water is moving freely between the reservoir and the chiller.
2. If the model has a power switch built on the back or side of the unit, ensure the switch is on the
OFF position. Plug the chiller into a grounded outlet.
3. Click the switch to ON position. The chiller will start to operate. Models that don’t contain a
power switch will start to operate after the power cord is plugged into an outlet. The display panel
will display the current water temperature and default desired water temperature immediately.
However, the fan and compressor will be in protection mode for about 60 seconds before they
turn on.
4. If you press and hold down the Power button on the control panel for 5 seconds, the chiller will
shut down and the control panel will turn off. Press the Power button on the control panel again
to resume operation.
5. The default desired water temperature is set at 75 degrees (Fahrenheit). The default unit of
measure of temperature is Fahrenheit.
TEMPERATURE SETTING
1. In Display mode, press either the /\ or the \/ button for 5 seconds to select between Fahrenheit
and Celsius as the unit of measure of temperature.
2. Press the SET button to enter the water temperature setting mode. The previous water
temperature setting will display and blink after the setting mode is activated.
3. Use the /\ or \/ button on the control panel to increase or decrease to the desired water
temperature. Press the SET button or wait for approximately 8 seconds to confirm the user-set
temperature and exit from the setting mode to the display mode. The display will turn from
blinking to solid.
4. The available range for user-set temperature is 39°F to 90°F (3°C to 32°C).
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