Procool AVP-280T-1U

Temperature controlled Variable Speed Silent Fan System

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The PROCOOL AVP-280T-1U is a 1U temperature controlled, variable speed silent fan system.

Mountable 80mm fans with a 1U rackmount controller panel saves valuable rack spaces.
Two 80mm Thermistor controlled fans speed up as heat increases and will slow down as heat decreases.
Expandable up to 8 fans.

With a noise level of only 9-17 dBA at top speed, the AVP-280T-1U is one of the quietest fan systems available.
The low noise makes this system suitable for noise sensitive applications from home AV to professional studios.
And with airflow pushing at 28-64 CFM this system can cool the hottest cabinets.

AVP-280T-1U Includes:
  • 1U Rackmount Controller
  • 2 SXT80 Temp controlled fans
  • 2 Fan Grills w/screws
  • Power supply

Quiet operation - 9-17 dBA
High Airflow - 56-128 CFM
Auto ON / OFF
3 Year Warranty

fan controller

Fan Controller/Temperature display...

User sets the controller's on and off temps to start and stop the system. Typical start temp is about 80-85F. Off temp at or slightly above room temp. These settings should be adjusted for optimal performance. The controller has a temp sensor that should be located on or near the heat source, or can be located at the top of the cabinet for an ambient reading. This temp is displayed on the controller during operation for easy monitoring. Or the display can be shut off during operation. (See instructions)

fan model SXT80 SXT80 wires

Procool SXT80 Fans...

Procool model SXT80 fans are temperature controlled automatic on/off with variable speed, ranging from 1200 RPM to 2400 RPM at full speed. SXT80 fans have a temp sensor that should be located on or near the heat source. The sensor tells the fan when to start and stop and how fast to run. When the sensor detects heat above 75-77°F the fan will start. As heat increases the fan speed will increase. The fan will reach full speed of 2400 RPM at about 104-107°F. The fan temp sensor can be moved closer to the heat source to optimize or fine tune fan operation. As temperature levels drop the fan will slow down. Once the temp falls below 75-77°F the fan will shut off. See the chart below for illustration.
Note that temp ratings have a +/- 3% variance.

Operation Chart

Temperature CHart

power supply

Power supply model # AVP-PS2A

Input: 100-240 VAC

Output: 12VDC/5VDC

AC Cable plug types: NEMA 1-15P to IEC320C7 (figure 8) The AC cable 60 in. and is removable.

DC Cable: 4 pin molex (connects to back of controller)

Panel Size: (1U) 19" x 1.75" x 1.5"
Air Pressure Chart
SXT80 Air Pressure Chart
Thermistor Speed Chart
SXT80 Speed Chart
Controller Drawing
SXT80 Air Pressure Chart
Panel color/material: black/metal
Fans: 2
Fan Size: 80mm x 80mm x 25mm
Fan Speed: 1200-2400 RPM
Air Flow per fan: 14-32 CFM
Air Flow combined: 28-64 CFM
Noise per fan: 6-14 dBA
Noise combined: 9-17 dBA
Bearings: FDB, fluid dynamic bearings
Fan Thermistor wire length: 24"
Controller Thermal Probe length: 24" (48" available)
Power Supply: 100-240 VAC - 12 VDC/5VDC
Power Supply Cable length: AC-60" DC-36"
Power Supply Plug Type: NEMA 1-15P
Current draw per fan: 0.17A
Current draw combined: 0.34A
Power consumption per fan: 2.04w
Power consumption combined: 4.08w
Grills/Guards: Black Wire

Installation Instructions

Data sheet downloadFan Mounting Instructions.pdf

Operating Instructions

Data sheet downloadAVP-280T-1U Operating Instructions.pdf

Care and Maintenance

To maintain optimal performance, keep the fans clean. Canned air works well. If the fans are used outdoors or in a dusty environment is recommended to clean the fan blades as needed to keep clean.

Blade Removal

For cleaning and maintenance, the blade prop can be removed.
Grasp the blade prop and pull straight out of the fan body. Inspect the shaft and lubricate if needed. Any oil will work; light grease works best. Clean blade as needed with a dry cloth. Soap and water can be used if needed, but should be thoroughly rinsed and dried before use. Reinstall the blade; when properly installed the blade will snap into place.


The fan will not start:

1. Is the controller display on? If Yes, skip to #3.
2. Check the power connections. The power supply has a green led indicator, it should be on. If it is not check the power source. If not lit or flashing, it would indicate power supply failure or no power source power.
3. Check that the fan plugs are all plugged in on the back of the controller.
4. Check the fan blades to make sure they are fully seated in the housing. Press on the center of the blade and push in. If it is not seated you can hear it snap into place.
5. Turn the fan blade by hand to see if they are stuck. They should be free moving. If this starts the fan it is likely the fans need maintenance.
6. When the fans are new and if the temp is below 70?F the thermistor probe may need to be warmed by hand slightly to get the fan to spin.

The fan is making noise:

1. Check for anything that could be rubbing against the fan blade.
2. Make sure the fan blades are clean. Dirty fan blades can make noise.
3. Check the blade prop shaft for lubrication. (See Blade Removal above)

If the above steps do not solve the problem, contact our friendly customer service for assistance.

Customer Reviews

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Reviewed By: Jimmy on May 23rd 2016

The best rack cooling fan I've ever owned.

Reviewed By: John on May 24th 2016

Keeps my rack cool and is absolutely silent.

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Frequently purchased with this item

Plug Adaptors

Converts NEMA 5-15R to IEC320 C14
Use to connect all Procool power supplies to C13 receptacle.
Length = 12 inches
Part No. PSA-C14

Fan power extension cable

Fan power extension cables
18", 24", 36", 48", 72"

80mm fan grill

Black or Chrome fan grills and filters