Marley Engineered Products Ventilation Hood 5200 2409 001 User Manual

Environmental  
Series  
Air Curtains  
INSTALLATION & OPERATING INSTRUCTIONS & PARTS MANUAL  
FOR ALL 120 and 220 VOLT  
1/4, 1/2 AND 3/4 H.P. MOTOR MODELS  
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!  
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE.  
REFER TO INDIVIDUAL MODEL NUMBERS  
1
2
12 / ”  
FOR UNIT WIDTH  
7
8
11 / ”  
3
4
15 / ”  
1
4
3 / ”  
Figure 1  
Figure 2 Dimensions  
Note that all dimensions are the same on all  
Description  
Leading Edge air curtains produce a wall of continuously environmental series units. Model number indicates  
flowing air that acts as a thermal barrier against outside width of unit.  
air and flying insects. These air curtains maintain interior (Example: E4800 indicates a 48” wide unit.)  
conditioned temperature and prevent heated or cooled  
air from escaping through open doorways. They reduce  
Unpacking  
1. With packaged unit on the floor, carton arrows should  
point upward.  
humidity and loss of cold air when used over freezer and  
cooler doors. High traffic area doors can be left open,  
eliminating wear and nuisance of opening and closing  
automatic and manual doors. Used over service  
entrances, receiving doors, customer entrances, access  
doors, etc. ... air curtains provide protection against  
insects, dust, odor, fumes and other contaminant’s.  
2. Carefully remove staples from top of carton and fold  
back sides.  
Specifications and Performance  
AVG. CFM AT NOZZLE FOR MOTOR SHOWN  
IN VARIOUS CABINET SIZES  
MAX.  
MOTOR  
WATTS  
120V, 60HZ  
MAX.  
220V, 50HZ  
MAX.  
MAX.  
FT. PER MIN.  
AT NOZZLE  
MAX.  
RPM  
HP  
AMPS  
AMPS  
36  
38”  
42”  
48”  
60*††  
2000  
1/4  
1100  
1745  
1700  
125  
480  
750  
3.4  
5.2  
7.8  
.7  
2500  
3800  
4850  
1620  
1670  
1795  
2880  
3040  
3880  
1/2  
3/4  
2.2  
2.6  
2460  
3140  
2535  
3240  
2730  
3480  
4375  
5570  
†† Two motor unit. *3/4 HP = 64” Cabinet.  
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Installation  
1. Using template provided, determine mounting  
3. Remove two screws from switch box and remove  
cover.  
location.  
2. Drill holes and attach mounting hardware (not  
included).  
NOTE: Motor is prewired to high/low toggle switch. (See  
wiring diagram, Figure 5.)  
IMPORTANT:THE HARDWARE AND THE  
SUPPORTING STRUCTURE MUST BE CAPABLE OF  
SUPPORTING A MINIMUM 150 LB. LOAD.  
4. Run wires from power supply to switch box using  
appropriate wiring according to local code. (Use a  
flexible connector to allow for possible angle  
adjustment.)  
NOTE: All installation should be done to meet local  
building code.  
5. Connect wires to the two lead wires provided with wire  
nuts (not included). Connect black supply to center  
terminal of rocker switch, white neutral to white (for  
220 volt units, L2 will connect to black or white with  
black tape lead), green grounding lead to grounded  
conductor of supply circuit. No loose strands or loose  
connections should be present. After splices are  
made, wires should be spread apart so that the green  
and white wires are on one side of outlet box and the  
black wires are on other side. Turn splices upward and  
carefully push all wiring into outlet box.  
3. Mount cabinet on wall and securely tighten hardware.  
4. Replace motor/blower assembly in cabinet. Secure  
two wing nuts on blower base. Reconnect motor  
electric cord plug assembly.  
5. Replace intake grille with louvers facing down and  
refasten knurled nuts.  
ELECTRICAL CONNECTIONS  
6. Replace switch box cover.  
7. Unit is ready for operation.  
WARNING: ALL AIR CURTAINS SHOULD BE  
INSTALLED BY QUALIFIED PERSONNEL.  
CAUTION: Make sure amp rating of any ON/OFF  
switch exceeds nameplate amp rating of motor.  
1. Connect motor per nameplate to correct power supply.  
Use adequate size wire for all branch and feeder runs.  
8. Restore power.  
2. Install all wiring, protection and grounding in  
accordance with the National Electrical Code (NEC)  
and all local requirements.  
NOTE: Air curtain has high/low selector switch. See  
Operation section for proper setting instructions.  
WARNING: THIS FAN HAS AN INTERNAL SELF  
RESETTING THERMAL OVERLOAD PROTECTOR.  
ALWAYS DISCONNECT FROM POWER SUPPLY  
BEFORE SERVICING.  
9. Upon completion of all installation, inspect unit for  
excessive vibration during operation. If excessive  
vibration is noticeable, disconnect power supply.  
Inspect mounting installation and refer to  
Troubleshooting Chart for probable cause.  
CAPACITOR  
AMP PLUG  
AMP PLUG  
BLACK  
WHITE  
RED  
BLACK  
WHITE  
RED  
HI SPEED  
COMMON  
LOW SPEED  
EARTH  
BLACK  
WHITE  
RED  
BLACK  
WHITE  
RED  
HI SPEED  
COMMON  
LOW SPEED  
EARTH  
M
F
M
F
GREEN  
GREEN  
LOW  
HI  
LOW  
HI  
GND  
GND  
SWITCH  
SWITCH  
BLACK  
L1  
(W) N  
(B) L2  
MOTOR  
MOTOR  
BLACK  
L1  
(W) N  
(B) L2  
Above for 1/4, 1/2 and 3/4 HP 120 volt motors and  
1/2 and 3/4 HP 220 volt motors.  
Above for 1/4 HP 220 volt motor.  
3
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Operation  
1. After power has been connected to unit, fans will start  
NOTE: Air direction settings are shown in Figures 6, 7,  
and 8.  
in either preset (high/low) speed selection.  
2. Air velocity is controlled by selection of high or low  
speed indicator. This feature allows the setting of air  
velocity to individual desired performance and energy  
efficiency.  
IMPORTANT. IN FREEZER APPLICATIONS, UNIT IS  
ALWAYS MOUNTED OUTSIDE (WARM SIDE) OF  
FREEZER OR COOLER.  
NOTE: Cold air will try to escape near floor level. Warm  
air will try to penetrate curtain near top of doorway. Air  
flow can be controlled by direction of nozzle louvers and  
by high/low settings.  
3. Air direction at outlet can be controlled by adjustable  
vanes at the nozzle which compensates for possible  
draft conditions.  
Figure 6 - Desired Air Flow  
Figure 7 - Desired Air Flow Adjustment Figure 8 - Desired Air Flow  
Adjustment for Temperature and for Insect and Dust Control.  
Humidity Control.  
Adjustment for Freezer and  
Cooler Applications.  
Maintenance  
WARNING: ALWAYS DISCONNECT POWER SUPPLY  
BEFORE SERVICING.  
WARNING: ALWAYS DISCONNECT POWER SUPPLY  
BEFORE SERVICING.  
LUBRICATION  
1. Remove motor/blower assembly. All motor/blower  
assemblies are designed for easy removal and service  
with wing nuts and quick disconnect electrical  
connections.  
Ball bearings are permanently lubricated and require no  
further lubrication.  
CLEANING  
2. Place motor/blower assembly on workbench.  
1. The air door cabinet may be wiped off with a damp  
cloth. Do not allow motor to get wet. Do not use  
solvents or harsh detergents.  
3. To replace blower wheel, remove the three slotted hex  
head screws on outer blower ring assembly (See  
Figure 9, Replacement Parts Illustration.) The wheel  
is held onto shaft by one hex head screws.  
NOTE: Keep air intake louvers clear of dirt and dust  
accumulation which could affect performance.  
IMPORTANT: NOTE POSITION OF WHEELS TO  
PREVENT RUBBING WHEN REPLACED.  
2. Check blower wheels for accumulated dirt twice a year  
and clean. If disassembly is required, see GENERAL  
SERVICING section.  
4. To remove motor:  
a. Remove blower wheels. (See Step 3 above.)  
b. Remove blower scrolI (six hex head screws).  
c. Unscrew and remove motor mounts.  
GENERAL SERVICING  
WARNING: IF SERVICING IS REQUIRED, IT SHOULD  
BE DONE BY QUALIFIED PERSONS ONLY.  
5. Replace motor/blower assembly.  
4
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Troubleshooting Chart  
POSSIBLE CAUSE(S)  
SYMPTOM  
CORRECTIVE ACTION  
Fan inoperative  
1. Blown fuse or open circuit breaker.  
2. Electricity turned off.  
3. Loose cord connection.  
1. Replace fuse or reset circuit breaker.  
2. Contact local power company.  
3. Re-check all connections.  
4. Replace.  
4. Defective capacitor or motor.  
Excessive noise  
1. Wheel rubbing on housing.  
2. Motor base or blower not securely  
anchored.  
1. Center wheel.  
2. Tighten mounting bolts.  
3. Replace motor.  
3. Defective motor bearings.  
Insufficient air flow  
1. Improper voltage.  
1. Reconnect to proper voltage.  
2. Open.  
3. Remove any obstruction.  
4. Position toggle switch to high.*  
5. Clean.  
2. Outlet louvers closed.  
3. Intakes obstructed.  
4. Motor speed setting on low.  
5. Dirty blower wheels  
Too much air flow  
1. Motor speed setting on high.  
1. Position toggle switch to low.*  
Fans cut out on  
thermal overload  
(self-resets)  
1. Low voltage.  
2. Obstruction to blower wheel.  
1. Verify correct wire size.  
2. Remove obstruction.  
* 120-220 volt models only.  
5
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Replacement Parts  
For Air Curtain Cabinets  
1.  
3
6
5
4
2
Figure 9 - Replacement Parts Illustration.  
Replacement Parts List For Air Curtain Cabinets  
Key  
No.  
Part Numbers for Cabinets (length)  
Description  
36"  
38"  
42"  
48"  
60"  
1
2
3
4
Cabinet box assembly  
Cabinet Intake Grille  
Cabinet Intake grill knurled nut  
Cabinet louver kit  
Electric box  
ACCA36A  
API3685  
AP0002  
ACL36  
ACCA38A  
API3885  
AP0002  
ACL38  
ACCA42A ACCA48A  
ACCA60A  
API6085  
AP0002  
ACL60  
API4285  
AP0002  
ACL42  
ACEB  
API4885  
AP0002  
ACL48  
ACEB  
5
ACEB  
ACEB  
ACEB  
6
Electric box cover  
ACFPSPC  
ACFPSPC  
ACFPSPC ACFPSPC  
ACFPSPC  
6
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Replacement Parts  
For Motor Blower Assemblies (7)  
14  
12  
11  
13  
16  
15  
8
10  
9
Figure 9 - Replacement Parts Illustration.  
Replacement Parts For Air Curtain Cabinets  
Key  
No.  
7
Part Numbers for Motor Blower Assemblies  
Description  
Motor/Blower Assembly  
120V 1-ph  
220V 1-ph  
208-230/460V 3-ph  
Switch plate cover  
Rocker switch  
1/4HP  
1/2HP  
3/4HP  
ACMB125  
ACMB225  
ACMB325  
ACFPSH  
C1220  
ACMB150  
ACMB250  
ACMB350  
ACFPSH  
C1220  
ACMB175  
ACMB275  
ACMB375  
ACFPSH  
C1220  
8
9
10  
11  
Cord, female plug  
Motor Assembly  
ACW316  
ACW316  
ACW316  
120V 1-ph  
220V 1-ph  
208-230/460V 3-ph  
ACM1025  
ACM2025  
ACM3025  
AP058  
ACCP1025  
ACBH67  
ACM1050  
ACM2050  
ACM3050  
AP058  
ACCP1025  
ACBH67  
ACM1075  
ACM2075  
ACM3075  
AP058  
ACCP1075  
ACBH79  
12  
13  
14  
15  
16  
Resilient motor ring kit  
Capacitor  
Blower housing  
Blower wheel-right  
Blower wheel-left  
ACBW67R  
ACBW67L  
ACBW67R  
ACBW67L  
ACBW79R  
ACBW79L  
7
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LIMITED WARRANTY  
All products manufactured by Marley Engineered Products are warranted against defects in  
workmanship and materials for five years from date of installation. This warranty does not apply  
to damage from accident, misuse, or alteration; nor where the connected voltage is more than  
5% above the nameplate voltage; nor to equipment improperly installed or wired or maintained  
in violation of the product’s installation instructions. All claims for warranty work must be  
accompanied by proof of the date of installation.  
The customer shall be responsible for all costs incurred in the removal or reinstallation of  
products, including labor costs, and shipping costs incurred to return products to Marley  
Engineered Products Service Center. Within the limitations of this warranty, inoperative units  
should be returned to the nearest Marley authorized service center or the Marley Engineered  
Products Service Center, and we will repair or replace, at our option, at no charge to you with  
return freight paid by Marley. It is agreed that such repair or replacement is the exclusive  
remedy available from Marley Engineered Products.  
THE ABOVE WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR  
IMPLIED, AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE WHICH EXCEED THE AFORESAID EXPRESSED WARRANTIES  
ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS AGREEMENT. MARLEY  
ENGINEERED PRODUCTS SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES  
ARISING WITH RESPECT TO THE PRODUCT, WHETHER BASED UPON NEGLIGENCE,  
TORT, STRICT LIABILITY, OR CONTRACT.  
Some states do not allow the exclusion or limitation of incidental or consequential damages, so  
the above exclusion or limitation may not apply to you. This warranty gives you specific legal  
rights, and you may also have other rights which vary from state to state.  
For the address of your nearest authorized service center, contact Marley Engineered Products  
in Bennettsville, SC, at 1-800-642-4328. Merchandise returned to the factory must be  
accompanied by a return authorization and service identification tag, both available from Marley  
Engineered Products. When requesting return authorization, include all catalog numbers shown  
on the products.  
HOW TO ORDER REPAIR PARTS  
In order to obtain any needed repair or  
replacement parts, warranty service or technical  
information, please contact Marley Engineered  
Products Service Center toll-free by calling 1-800-  
470 Beauty Spot Rd. East  
Bennettsville, SC 29512 USA  
642-HEAT.  
ECR 35189  
Part No. 5200-2409-001  
03-02  
8
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