Installation manual

Page 8
1.5 Sprinkler Systems and Fan Placement
In any installation where fire sprinklers are in place, do not interfere with their correct operation. Fans should be
located not less than 3 feet below a sprinkler, and placed central to each sprinkler quadrant.
Our standard variable-speed control system can be connected to a fire suppression control system, which
will emergency-stop fans in case of fire. Prior to installing fans, review all codes applicable to sprinkler
systems and fans to ensure code compliance. Refer to the wiring diagrams packaged inside the control panel for proper
installation. If further advice is needed, you may contact our support staff. However, it is your sole responsibility to see
that the installation is completed to code and that it is correct.
1.6 Locating Control Panels
Each fan has its own motor control panel (MCP). A motor control panel must be mounted at least 5 feet outside
maximum blade length, and within 25 feet of the fan. Make sure the lockable service disconnect
located on the side of the MCP is within line of sight of the motor to comply with OSHA and local safety codes.
1.7 Connecting Fans to Remote Controls
You may control one fan or many fans with a single remote control switch box (see illustration on page
26). The remote switch box should be located so that no more than 100 feet of cable (supplied) is
required to connect it to the motor control panel. Fans may also be controlled with temperature control
sensors and building automation systems. Contact technical support for more information on these options.
1.8 Shielded Motor Cable (For Variable Frequency Drives)
To minimize electromagnetic interference and stray voltage, each MacroAir fan assembly includes 25 feet
of shielded motor cable, cable glands, and a variable frequency drive with a built-in filter. The shielded
motor cable connects the fan motor to the motor control panel. This system reduces the likelihood of
broadcasting and receiving electronic noise which can interfere with radio and other sensitive
equipment. Plus, this system cuts fan installation cost as conduit is not needed where shielded cable is used, per the
NEC, article 336. For more regulatory information on electromagnetic interference (EMI) refer to page 25.
1.9 Check Federal, State, and Local Codes
Check all relevant codes to make sure all product certifications, product listings, and building regulations are met. Code
compliance is the responsibility of the installer.
2.0 General Mounting Considerations (I-Beam, Glulam Beam, or Other Type of Truss System)
Each type of mounting system (I-beam, glulam, or other) requires a specific mounting bracket. Most are available from
MacroAir. Before installing fans, check with the contractor, building owner, or architect to
ensure the building structure is sound and will support the weight of the fan. MacroAir, provides guidelines for
mounting fans; however, it is the sole responsibility of the building owner and
installer to ensure the safety of the mounting system, that the building structure is sound, and that the installation
complies with all federal, state, and local codes.
MacroAir, Inc. www.macroairfans.com Toll Free: 866-668-3247 Build: March 2012