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Read and Save These Instructions
Form 613084A
INSTALLATION & MAINTENANCE INSTRUCTIONS
EC Motor Wiring Diagrams
This publication applies to Acme fan models shipped with the EC Motor (Electronically Commutated Motor)
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 instructions could result in
personal injury and/or property damage!
This section applies only to EC Motor Part Numbers 921728, 921733, 921735, 921736, 922711, 922712, 922713, and 923250
Potentiometer Dial Only*- (See Figure 1) Motor features a potentiometer dial located on the side of the motor allowing the user to make
necessary speed adjustments with a small at tip screw driver. The 3 control wires are not used. The motor can also be controlled by
a separate 0-10 VDC and 24 VAC to the control wires, in this set up the potentiometer dial needs to be set to full speed (CW).
Optional Speed Controller (See Figure 2)
Remote Speed Controller Single Speed (Optional)*- (See Figure 2-A) Set the potentiometer dial located on the side of the motor to
full clockwise. When selected with this option the fan will come with a 24 VAC transformer mounted for the purpose of powering the
logic circuits in both the motor and the remote speed controller. The remote speed control will supply a DC signal that varies from 0 to
10V. This signal will vary the motors speed. The motor will shut off between 0-1.9v.
Mounted Speed Controller Two Speed (Optional)*- (See Figure 2-B) Set the potentiometer dial located on the side of the motor to full
clockwise. When selected with this option the fan will come with a 24 VAC transformer mounted for the purpose of powering the logic
circuits in both the motor and the dual speed controllers mounted on fan. The supplied toggle switch will select the Low (LO) or High
(HI) speed on the speed controllers based on the dial settings. The motor will shut off between 0-1.9v.
Customer Building Controller - (See gure 2-C) Set potentiometer dial located on motor side to full clockwise. Connect Red (010VDC) and White (Common) to building controller. Motor requires factory mounted 24VAC transformer to run motor logic boards. The
motor shuts off between 0-1.9V.
* All 115, 208 or 230V connections will be made in the supplied junction box. Wire to the remote speed control is to be supplied by
others and must meet all applicable codes.
NOTE: When using a remote variable speed control the potentiometer on the motor (if present) should be set to full clockwise.
The remote speed control location is limited by a maximum wire length of 100 feet. Up to 6 fans can be operated from one remote
control. Only one transformer should be used.
FAN MOTOR
MCMILLIAN
EC MOTOR
115 VAC,
208 VAC, OR
230 VAC
POWER INPUT
LINE
115, 208, OR
230 VAC
POTENTIOMETER DIAL ONLY (FIGURE 1)
SET POTENTIOMETER FOR
SPEED CONTROL
ISOLATED
CONTROL INPUT
WHT - L1
BLK - L2
GREEN - GROUND
WHT L1
BLK L2
GREEN - GROUND
SAFETY
DISCONNECT
SWITCH
RED - 1-10 VDC
WHITE - COMMON
BLACK - 24 VAC
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0-10 VDC OUTPUT
POWER INPUT
LINE
MCMILLIAN
EC MOTOR
115 VAC,
208 VAC, OR
FAN MOTOR
115, 208, OR
230 VAC
MOTOR SPEED CONTROL
SINGLE SPEED CONTROL ACCESSORY
REMOTE CONTROL
MAY BE MOUNTED UP TO 100 FT FROM FAN
RED - 1-10 VDC
WHITE - COMMON
BLACK - 24 VAC
FIGURE 2-A
LO
BLACK - LO
BLACK - 24 VAC
SHIPPED MOUNTED IN FAN
MAY BE MOVED UP TO 100 FT FROM FAN
DUAL SPEED CONTROL
WHITE - HI
WHITE - COMMON
RED - 1-10 VDC
FIGURE 2-B
HI
REMOTE SPEED SWITCH
MAY BE MOUNTED UP TO 100
WHITE - COMMON
BLACK - 24 VAC
WHITE - COMMON
BLACK - 24 VAC
OFF
LO
HI
FT FROM FAN
WHITE - HI
BLACK - LO
RED - 1-10 VDC
1 2 3
Note: If pin numbers are missing or worn off
orient speed controller as shown (single speed
controller shown 2 speed control same as single
speed.)
OPTIONAL EC MOTOR CONTROLS (FIGURE 2)
FIGURE 2-B DUAL SPEED
FIGURE 2-A SINGLE SPEED
FIGURE 2-C BUILDING CONTROL (BY OTHERS)
REMOTE CONTROL
0 - 10 VDC SUPPLIED
FROM BUILDING CONTROL
COMPUTER
0-10 VDC INPUT FROM
ENVIROMENTAL
COMPUTER
INSULATE THE 24 VAC
RED - 1-10 VDC
WHITE - COMMON
BLACK - 24 VAC
FIGURE 2-C
LINE
RED - 1-10 VDC
WHITE - COMMON
BLACK - 24 VAC
CONTROL INPUT
SET POTENTIOMETER TO
FULL SPEED (FULL CW)
ISOLATED
WIRE
ORG 230 VAC
BRN 277 VAC
CONNECT TO LINE
CORRESPONDING TO
MOTOR VOLTAGE AND
INSULATE THE REST
WHT - L1
BLK - L2
GREEN - GROUND
NUT
YEL
YEL/WHT
WHT 115 VAC
WHT 115 VAC
BLK COMMON
RED 208 VAC
GREEN - GROUND
WHT L1
BLK L2
SAFETY
SWITCH
DISCONNECT
WHT L1
BLK L2
GREEN - GROUND
24 VAC OUTPUT
115, 208, OR 230 VAC
INPUT
TRANSFORMER
2
230 VAC
2
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ACCEPTANCE All orders and sales are subject to
written approval and acceptance by an executive offi
cer of Acme Engineering & Manufacturing Corporation
at Muskogee, Oklahoma, (the "Company") and are not
binding on the Company until so approved.
DELIVERY All shipping and delivery dates are esti
mated only. No delays in delivery will subject the
Company to any costs, damages or fees for late deliv
ery. Delivery of the products herein specified shall be
made F.O.B. point of shipment, unless otherwise
stated. The Company shall not be liable for delay due
to causes beyond its reasonable control, such as Acts
of God, acts of the purchaser, acts of civil or military
authorities, priorities, fires, strikes, floods, epidemics,
war, riots, delays in transportation, car shortages, and
inability, due to reasons beyond its reasonable control,
to obtain necessary labor, material, or manufacturing
facilities. In the event of such a delay, the date of deliv
ery shall be extended for a period equal to the time lost
by reason of the delay.
TERMS OF PAYMENT If, in the judgment of the Com
pany, the financial condition of the purchaser at any
time does not justify continuation of manufacture or
shipment on the terms of payment specified, the Com
pany may require full or partial payment in advance.
Pro rata payments shall become due as shipments are
made. Each shipment or delivery shall constitute a
separate sale, and the default of any shipment or delivery shall constitute a separate sale, and the default of
any shipment or delivery shall not vitiate the contract
as to other shipments or deliveries.
SALES AND SIMILAR TAXES The Company’s prices
do not include sales, use, excise, or similar taxes.
Consequently, in addition to the price specified herein,
the amount of any present or future sales, use, excise,
or other similar tax applicable to the sale of the product
herein shall be paid by the Purchaser, or in lieu thereof
WARNING Acme products are designed and manufactured to provide reliable performance but they are not guaranteed to be 100% free of defects. Even reliable products will
experience occasional failures and this possibility should be recognized by the Purchaser and all End Users. If these products are used in a life support ventilation system
where failure could result in loss or injury, the Purchaser and all End Users should provide adequate back-up ventilation, supplementary natural ventilation or failure alarm system, or acknowledge willingness to accept the risk of such loss or injury.
WARNING DO NOT use in HAZARDOUS ENVIRONMENTS where fan’s electrical system could provide ignition to combustible or flammable materials unless unit is specifically built for hazardous environments. Comply with all local and national safety codes including the National Electrical Code (NEC) and National Fire Protection Act (NFPA).
CAUTION Guards must be installed when fan is within reach of personnel or within eight (8) feet (2.5 m) of working level or when deemed advisable for safety.
DISCLAIMER The Company has made a diligent effort to illustrate and describe the products accurately in all Company literature; however such illustrations and descriptions
are for the sole purpose of identification and do not express or imply any warranty.
the Purchaser shall provide the Company with a tax
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exemption certificate acceptable to the taxing authori
ties.
CANCELLATION Any contract resulting from the Pur
chaser’s order may be canceled by the Purchaser only
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by negotiations and upon payments of reasonable can
cellation charges which will take into account expenses
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already incurred and commitments made by the Com
pany.
DESIGN CHANGES The Company reserves the right
to make changes in design, improvements and addi
tions in and to its products any time without imposing
any liability or obligations to itself to apply or install the
same in any product manufactured by it.
TITLE The title and right of possession of the products
sold herein shall remain with the Company and such
products shall remain personal property until all
payments herein (including deferred payments whether
evidenced by notes or otherwise) shall have been
made in full in cash and the Purchaser agrees to do all
acts necessary to perfect and maintain such right and
title in the Company.
PRICE ADJUSTMENTS Prices are subject to change
upon notice by the Company. Prices on existing or
ders are subject to surcharges in the event of cost increases of metals and transportation. All complete
component accessory material manufactured by others
and furnished with the Company’s products such as
motors, drives, vibration equipment, controls or other
completely assembled component structures, are subject to adjustment to the price at time of shipment regardless of the date of original order entry.
SAFETY ACCESSORIES The Company manufactures
products designed to serve multiple applications and
offers a wide range of safety equipment, including
guards and other devices, as may be required to meet
customer specifications. Without exception, the Com
pany recommends that all orders include applicable
safety devices. Products ordered without applicable
safety devices is clearly the responsibility of the Pur
chaser. Further, the Purchaser warrants that it has de
termined and acquired any and all safety devices re
quired for products sold by the Company. Weather
covers and guards for motor and V-belt drives, cou
plings, shafts and bearings, along with inlet and outlet
screens, are optional accessories noted in the price
list.
GOVERNING LAW The rights, obligations and reme
dies of Purchaser and the Company, the interpretation
of these terms and conditions and the sale of products
by the Company shall be governed by Oklahoma law,
without regard to any principles of conflict of laws.
ARBITRATION Any dispute arising under or in con
nection with these terms and conditions or the sale of
products shall be settled by binding arbitration administered by the American Arbitration Association under
its Commercial Arbitration Rules, and judgment on the
award rendered by the arbitrator may be entered in
any court having jurisdiction thereof. The dispute shall
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be resolved by one neutral arbitrator who shall have no
affiliation with either Purchaser or the Company and
shall be selected by the American Arbitration Association office in Dallas, Texas. The arbitration proceedings shall be held in Muskogee, Oklahoma.
APPLICABLE DOCUMENTS The agreement between the Company and the Purchaser relating to the
products includes these terms and conditions of sale,
any applicable installation and maintenance instructions provided by the Company and any terms appearing on the Company’s quotation, sales order acknowledgment and invoice.
LIMITED WARRANTY
TERMS AND CONDITIONS OF SALE
WARRANTY AND DISCLAIMER: the Company ex-
tends this limited warranty to the original purchaser
and warrants that products supplied by the Company,
shall be free from original defects in workmanship and
materials for two years from date of shipment (except
for the warranty periods noted for products listed below), provided same have been properly handled,
stored, installed, serviced, maintained and operated.
This warranty shall not apply to products which have
been altered or repaired without the Company’s express authorization, or altered or repaired in any way
so as, in the Company’s judgment, to affect its performance or reliability, nor which have been improperly
installed or subjected to misuse, negligence, or accident, or incorrectly used in combination with other substances. The Purchaser assumes all risks and liability
for results of use of all products.
Evaporative cooling pads are warranted to be free of
defects in materials and workmanship for a period of
two years from date of shipment provided same have
been properly handled, stored, installed, serviced,
maintained and operated; and further, not subjected to
excessive heat, corrosive agents or chemicals, or mechanical abuse that may cause tearing, crushing or undue deterioration, nor used on a system or in a manner
other than that for which it was designed as explained
in the product literature.
The following products are warranted to be free of de
fects in materials and workmanship for the periods
shown from date of shipment: Acme’s exclusive du
plex split pillow block bearings and shaft five years,
belts one year, Polyethylene tubing 90 days, AIR40
Heater warranty one year, AIR40 Emitter warranty
three years and DDP fan lifetime warranty on its pro
peller, cone, and housing.
LIMITATION OF REMEDY AND DAMAGES: All
claims under this warranty must be made in writing and
delivered to P. O. Box 978, Muskogee, Oklahoma,
74402, within 15 days after discovery of the defect and
prior to the expiration of two years from the date of
shipment by the Company of the product claimed de
fective, and Purchaser shall be barred from any
ACME ENGINEERING AND
MANUFACTURING CORPORATION
P.O. Box 978
Muskogee, Oklahoma 74402
Telephone 918/682-7791
Fax 918/682-0134
www.acmefan.com
Member Air Movement and Control Association International, Inc. February 2016 613084A
remedy if Purchaser fails to make such claim within
such period.
Within 30 days after receipt of a timely claim, the Company shall have the option either to inspect the product
while in Purchaser's possession or to request Purchaser to return the product to the Company at Purchaser's expense for inspection by the Company. The
Company shall replace, or at its option repair, free of
charge, any product it determines to be defective, and
it shall ship the repaired or replacement product to
Purchaser F.O.B. point of shipment; provided, however, if circumstances are such as in the Company’s
judgment to prohibit repair or replacement to remedy
the warranted defects, the Purchaser's sole and exclusive remedy shall be a refund to the Purchaser of any
part of the invoice price, paid to the Company, for the
defective product or part.
The Company is not responsible for the cost of removal of the defective product or part, damages due to
removal, or any expenses incurred in shipping the
product or part to or from the Company’s plant, or the
installation of the repaired or replaced product or part.
The warranties set forth above do not apply to any
components, accessories, parts or attachments manufactured by other manufacturers; such being subject to
the manufacturer’s warranty, if any. To the extent not
prohibited by the manufacturer’s warranty, the Com
pany shall pass through to Purchaser such manufac
turer’s warranty.
THE COMPANY’S WARRANTY IS IN LIEU OF ALL
OTHER WARRANTIES, EXPRESS OR IMPLIED,
ARISING BY LAW OR OTHERWISE, INCLUDING
WITHOUT LIMITATION THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PAR
TICULAR PURPOSE, WHICH ARE HEREBY EX
PRESSLY DISCLAIMED AND WAIVED. THIS WAR
RANTY CONSTITUTES THE COMPANY’S SOLE
AND EXCLUSIVE WARRANTY FOR DEFECTIVE
GOODS AND PURCHASER’S SOLE AND EXCLU
SIVE REMEDY FOR DEFECTIVE PRODUCTS.
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No employee, agent, dealer, or other person is
authorized to give any warranties on behalf of the
Company or to assume for the Company any
other liability in connection with any of its products
except in writing and signed by an officer of the
Company.
REPLACEMENT PARTS If replacement parts are
ordered, purchaser warrants that the original com
ponents in which these replacement parts will be
placed are in satisfactory working condition, and
when said replacement parts are installed, the resultant installation will operate in a safe manner, at
speeds and temperatures for which the original product was purchased.
TECHNICAL ADVICE AND RECOMMENDATIONS,
DISCLAIMER: Notwithstanding any past practice or
dealings or any custom of the trade, sales shall not include the furnishing of technical advice or assistance
or system design. Any such assistance shall be at the
Company’s sole option and may be subject to additional charge.
The Company assumes no obligation or liability on account of any recommendations, opinions or advice as
to the choice, installation or use of products. Any such
recommendations, opinions or advice are given and
shall be accepted at Purchaser's and End User's risk
and shall not constitute any warranty or guarantee of
such products or their performance.
LIMITATION OF LIABILITY The cumulative liability of
the Company to the Purchaser and any other persons
for all claims in any way relating to or arising out of the
products, including, but not limited to, any cause of action sounding in contract, tort, or strict liability, shall not
exceed the total amount of the purchase price paid for
those products which are the subject of any such
claim. This limitation of liability is intended to apply
without regard to whether other provisions of this
agreement have been breached or have proven inef
fective even if the Company has been advised of the
possibility of such claims or demands. In no event
shall the Company be liable to the Purchaser or any
other person for any loss of profits or any incidental,
special, exemplary, or consequential damages for any
claims or demands brought by the Purchaser or such
other persons.
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INDEMNITY The Company’s maximum liability to Pur
chaser and to any end user is as set forth above. The
Company makes no warranty to anyone for any prod
ucts not manufactured by the Company and shall have
no liability for any use or installation of any products
(whether manufactured by the Company or other man
ufacturers) not specifically authorized by this sale.
Purchaser acknowledges various warnings by the
Company regarding the products and its installation
and use. If the Company incurs any claims, lawsuits,
settlements, or expenses (including attorney fees) for
any loss, injury, death or property damage including,
but not limited to, claims arising out of the Purchaser’s
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or any end user’s installation or use of the products,
the Purchaser shall indemnify and hold the Company
harmless.
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