®
MAC Ceiling Mount Kit
1
®
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble,
install, operate or maintain the product described. Protect yourself and others by observing all safety
information. Failure to comply with these instructions will result in voiding of the product warranty and may
result in personal injury and/or property damage.
Document 474906
MAC Ceiling Mount Kit
Model MAC-CM
Designed to mount MAC air circulators (sizes 18 to 48 inches)
to a ceiling or beam. Constructed of steel and includes
quick-turn knobs allowing for easy tilt adjustment and
multidirectional airflow. UL/cUL Listed Standard 507 when
used with Greenheck's model MAC air circulators.
Model
Use on Model
Includes
Quantity
MAC-CM-S
MAC-18-339-B4-J1
MAC-20-327-B4-J1
MAC-24-323-B3-J1
MAC-18-339-B4-U3
MAC-20-327-B4-U3
MAC-24-323-B3-U3
(A) 1/4 in. -20 Whiz Bolt
(B) Side Channel Assembly 45º/90º
(C) Top Channel
(D) 1/4 in. -20 Whiz Nut
(E) 1/2 in. -13 Grade 5 Bolt
(F) 1/2 in. Flat Washer
(G) 1/2 in. Nylock Nut
(H) Safety Cable
(I) Cable Retainers
16
2
1
8
1
2
1
1
2
MAC-CM-L
MAC-30-324-C5-J1
MAC-36-322-C5-J1
MAC-36-5-J1
MAC-30-324-C5-U3
MAC-36-322-C5-U3
MAC-CM-XL
MAC-42-320-C7-J1
MAC-48-316-C7-J1
MAC-42-7-J1
MAC-48-7-J1
MAC-42-320-C7-U3
MAC-48-316-C7-U3
MAC-42-7-U3
MAC-48-7-U3
Unpacking
1. Inspect for any damage that may have occurred
during transit.
2. Shipping damage claim must be filed with carrier.
3. Check all parts listed are accounted for.
General Safety Information
1. Read and follow all instructions, cautionary
markings and make sure power source conforms
to the requirement of the equipment.
2. Disconnect all power before installing or
servicing.
3. Follow all local electrical and safety codes, as
well as the National Electrical Code (NEC) and
the National Fire Protection Agency (NFPA),
where applicable.
4. Follow all local safety codes, as well as the
Occupational Safety and Health Act (OSHA) in
the United States and Canada.
MAC-CM-L
MAC-CM-XL
MAC-CM-S
WARNING
To reduce the risk of fire, electrical shock, or injury
to persons, observe the following:
a. Use this unit only in the manner intended by the
manufacturer. If you have questions, contact the
manufacturer.
b. Before servicing or cleaning unit, switch
power off at service panel and lock the service
disconnecting the means to prevent power from
being switched on accidentally. When the service
disconnecting means cannot be locked, securely
fasten a prominent warning device, such as a
tag, to the service panel.
WARNING
Do not depend on any switch to disconnect power
supply. Always unplug the power cord or turn off
and lock disconnecting means as described.
WARNING
To reduce the risk of fire or electrical shock, do not
expose to water or rain.
