This product meets the requirements of OSHA 1910.212(a)(5), the standard which regulates electric
fan blade safety, and is certified under UL File E355088.
Please note the serial number of your fan, and write it on the back of this User’s Manual for future reference. Your serial
number is located on upper rear section of mount bar.
CONSUMER: READ AND SAVE THESE INSTRUCTIONS
Model Numbers:
MAC-36-BDF, MAC-42-BDF, MAC-48-BDF
IMPORTANT: Read and understand all of the instructions in this manual before assembling, start-
ing, or servicing the fan. Improper use of this fan can cause serious injury. Keep this manual for
future reference.
For general ventilating use only. Do not use to exhaust hazardous or explosive materials and
vapors. Never use the fan in spaces which contain products such as gasoline, solvents, paint thin-
ners, dust particles, volatile or airborne combustibles, or any unknown chemicals.
Safety Information
THIS IS A FAN - NOT A TOY! TO REDUCE THE RISK OF
PERSONAL INJURY AND ELECTRIC SHOCK, FAN SHOULD
NOT BE PLAYED WITH OR PLACED WHERE SMALL CHILDREN
CAN REACH IT.
DO NOT MOVE THE FAN WHILE OPERATING! MOVING FAN
DURING OPERATION CAN CAUSE BLADE DAMAGE.
Risk of fire, electric shock, or personal injury when performing
service or maintenance. Unplug or disconnect the fan from the
power supply before servicing.
CAUTION: automatically operated device - to reduce the risk of
injury disconnect from power source before servicing.
To guard against electric shock while operating, do not allow fan to come
in contact with other grounded objects such as pipes, radiators, etc.
To reduce the risk of fire or electric shock, do not use
this fan with any solid-state speed control device.
To reduce the risk of electric shock and injury to per-
sons, do not use in a window.
Sauk Rapids, MN 56379 USA • Toll Free (800) 641-6996
Fax: 320-251-2922 • Web: www.masterindustrialproducts.com • Email: info@pinnacleclimate.com
© 2021 Pinnacle Climate Technologies, Inc. MAFH-4
11
User’s Manual &
Operating Instructions
HIGH CAPACITY
BARREL FAN
WARNING: This product can expose you to chemicals, including lead, which is known to
the State of California to cause cancer and birth defects or other reproductive harm. For
more information go to www.P65Warnings.ca.gov.
4009412
FACTORY ID: 505
