NAFT85 - Thermostat Chief - Free user manual and instructions
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| Product Type | Electronic Device Mount |
| Brand | Chief |
| Model | NAFT85 |
| Dimensions (W x H x D) | 30 cm x 20 cm x 5 cm |
| Weight | 1.5 kg |
| Power Supply | 12V DC, 1A |
| Main Functions | Supports and positions devices securely |
| Compatible Devices | Up to 32 inches or 15 kg |
| Material | Steel and aluminum alloy |
| Installation Type | Desk clamp or grommet mount |
| Tilt Range | -5° to +15° |
| Swivel Range | ±90° |
| VESA Compatibility | 75x75 mm, 100x100 mm |
| Cleaning Instructions | Wipe with a soft dry cloth |
| Maintenance | Periodically check tightness of screws |
| Safety Features | Anti-slip pads and security screws |
| Spare Parts Availability | Contact manufacturer for replacement parts |
| Repairability Index | 8 out of 10 |
| Warranty | 5 years limited |
| Certifications | CE, RoHS |
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USER MANUAL NAFT85 Chief
INSTALLATION INSTRUCTIONS

Thermostat Control
DISCLAIMER
Milestone AV Technologies and its affiliated corporations and subsidiaries (collectively "Milestone"), intend to make this manual accurate and complete. However, Milestone makes no claim that the information contained herein covers all details, conditions or variations, nor does it provide for every possible contingency in connection with the installation or use of this product. The information contained in this document is subject to change without notice or obligation of any kind. Milestone makes no representation of warranty, expressed or implied, regarding the information contained herein. Milestone assumes no responsibility for accuracy, completeness or sufficiency of the information contained in this document.
Chief® is a registered trademark of Milestone AV Technologies. All rights reserved.

IMPORTANT WARNINGS AND TIONS!

WARNING: A WARNING alerts you to the possibility of serious injury or death if you do not follow the instructions.

CAUTION: A CAUTION alerts you to the possibility of damage or destruction of equipment if you do not follow the corresponding instructions.

WARNING: Failure to read, thoroughly understand, and follow all instructions can result in serious personal injury, damage to equipment, or voiding of factory warranty! It is the installer's responsibility to make sure all components are properly assembled and installed using the instructions provided.
DIMENSIONS
SUPPLY VOLTAGE: 12VDC 30W MAX MAX NUMBER OF CONTROLLED DEVICES: 2
OPERATION: FAN UNITS ARE POWERED WHEN DEVICE REACHES 85°F FAN UNITS ARE TURNED OFF WHEN DEVICE REACHES 75°F
![[107.5] 4.23 [50.8] 2.00 FANS POWER [27] 1.06 [54.4] 2.14 4X 10-32 TAPPED HOLE [35.1] 1.38](/content/2026/05/1073062/images/29e2444bcfbf3a36f58152dc923b093651f18c728de7c555e5c9e2d3c202d13c.jpg)

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Technical line drawing of a rectangular electronic device with labeled ports (no text or symbols beyond branding)
DIMENSIONS: [MILLIMETERS] INCHES
PARTS INCLUDED
![A (1) [Thermostat] B (2) [Fan cord] C (1) [Velcro® square] D (4) 10-32 x 3/4"](/content/2026/05/1073062/images/e39f7769d243ae95dca2fa325329cec7fa5979e650f2af63d9c5e4632df31f6c.jpg)
INSTALLATION
NOTE: The NAFT85 thermostat control will power the fan unit(s) when the device reaches 85^ , and will turn off fan(s) when device temperature drops to 75^ . See the specific installation instructions provided with the rack for additional installation information.
- Plug fan cord(s) (B) into the thermostat (A) following label located on thermostat. (See Figure 1)
- Plug fan cord(s) into back of fan panel(s).
- Plug power supply cord into opposite end of thermostat (A). (See Figure 1)

Figure 1
- OPTIONAL: The thermostat may be fastened at any location within the rack using four 10-32 x 3/4" header point Phillips screws (D) (See Figure 2)
- OPTIONAL: The thermostat may be fastened at any location within the rack using one Velcro square (C). (See Figure 2)

Figure 2
- Plug the power supply into an available outlet.
- Complete the installation following the rack installation instructions.
Installation Instructions