Marley Engineered Products Environmental Series User's Manual
Contents
1. Key Part Numbers for Motor Blower Assemblies No Description 1 4HP 1 2HP 3 4HP 7 Motor Blower Assembly 120V 1 ph ACMB125 ACMB150 ACMB175 220V 1 ph ACMB225 ACMB250 ACMB275 208 230 460V 3 ph ACMB325 ACMB350 ACMB375 8 Switch plate cover ACFPSH ACFPSH ACFPSH 9 Rocker switch C1220 C1220 C1220 Cord female plug ACW316 ACW316 ACW316 11 Motor Assembly 120V 1 ph ACM1025 ACM1050 ACM1075 220V 1 ph ACM2025 ACM2050 ACM2075 208 230 460V 3 ph ACM3025 ACM3050 ACM3075 12 Resilient motor ring kit AP058 AP058 AP058 13 Capacitor ACCP1025 ACCP1025 ACCP1075 14 Blower housing ACBH67 ACBH67 ACBH79 15 Blower wheel right ACBW67R ACBW67R ACBW79R 16 Blower wheel left ACBW67L ACBW67L ACBW79L 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 Cente2. 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 3 Air direction at outlet can be controlled by adjustable vanes at the nozzle which compensates for possible draft conditions Il II ies a mt N p noes a r l f r 1 an iN 1 r We 3 a NOTE Air direction settings are shown in Figures 6 7 and 8 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 Boe b v zo i ry J l I I i Figure 6 Desired Air Flow Adjustment for Temperature and Humidity Control Figure 7 Desired Air Flow Adjustment Figure 8 Desired Air Flow for Insect and Dust Control Adjustment for Freezer and Cooler Applications Maintenance WARNING ALWAYS DISCONNECT POWER SUPPLY BEFORE SERVICING LUBRICATION Ball bearings are permanently lubricated and require no further lubrication CLEANING 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 NOTE Keep air intake louvers clear of dirt and dust accumulation which
3. Environmental Marley Engineered Products Series An SPX Company Air Curtains INSTALLATION amp OPERATING INSTRUCTIONS amp 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 Y DAMAGE RETAIN INSTRUCTIONS FOR FUTURE REFERENCE Figure 1 Description Leading Edge air curtains produce a wall of continuously flowing air that acts as a thermal barrier against outside air and flying insects These air curtains maintain interior conditioned temperature and prevent heated or cooled air from escaping through open doorways They reduce 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 REFER TO INDIVIDUAL MODEL numas 7 FOR UNIT WIDTH azy Figure 2 Dimensions Note that all dimensions are the same on all environmental series units Model number indicates width of unit Example E4800 indicates a 48 wid
4. OF SUPPORTING A MINIMUM 150 LB LOAD NOTE All installation should be done to meet local building code 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 WARNING ALL AIR CURTAINS SHOULD BE INSTALLED BY QUALIFIED PERSONNEL 1 Connect motor per nameplate to correct power supply Use adequate size wire for all branch and feeder runs 2 Install all wiring protection and grounding in accordance with the National Electrical Code NEC and all local requirements WARNING THIS FAN HAS AN INTERNAL SELF RESETTING THERMAL OVERLOAD PROTECTOR ALWAYS DISCONNECT FROM POWER SUPPLY BEFORE SERVICING AMP PLUG HISPEED _ BLACK BLACK COMMON WHITE M F WHITE LOW SPEED _ RED RED EARTH GREEN z fe 5 ono e 7 2 tow SWITCH BLACK WN L1 L2 Above for 1 4 1 2 and 3 4 HP 120 volt motors and 1 2 and 3 4 HP 220 volt motors 3 Remove two screws from switch box and remove cover NOTE Motor is prewired to high low toggle switch See wiring diagram Figure 5 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 5 Con
5. could affect performance 2 Check blower wheels for accumulated dirt twice a year and clean If disassembly is required see GENERAL SERVICING section GENERAL SERVICING WARNING IF SERVICING IS REQUIRED IT SHOULD BE DONE BY QUALIFIED PERSONS ONLY WARNING ALWAYS DISCONNECT POWER SUPPLY BEFORE SERVICING 1 Remove motor blower assembly All motor blower assemblies are designed for easy removal and service with wing nuts and quick disconnect electrical connections 2 Place motor blower assembly on workbench 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 IMPORTANT NOTE POSITION OF WHEELS TO PREVENT RUBBING WHEN REPLACED 4 To remove motor a Remove blower wheels See Step 3 above b Remove blower scroll six hex head screws c Unscrew and remove motor mounts 5 Replace motor blower assembly Troubleshooting Chart SYMPTOM POSSIBLE CAUSE S CORRECTIVE ACTION Fan inoperative 1 Blown fuse or open circuit breaker 1 Replace fuse or reset circuit breaker 2 Electricity turned off 2 Contact local power company 3 Loose cord connection 3 Re check all connections 4 Defective capacitor or motor 4 Replace Excessive noise Wheel rubbing on housing 2 Motor base or blower not securely anchored 3 Defective motor bearings Center wh
6. e unit Unpacking 1 With packaged unit on the floor carton arrows should point upward 2 Carefully remove staples from top of carton and fold back sides Specifications and Performance MAX 120V 60HZ 220V 50HZ MAX AVG CFM AT NOZZLE FOR MOTOR SHOWN MAX MOTOR MAX MAX FT PER MIN IN VARIOUS CABINET SIZES HP RPM WATTS AMPS AMPS AT NOZZLE 36 38 42 48 60 tt 1 4 1100 125 3 4 7 2500 1620 1670 1795 2000 2880 1 2 1745 480 5 2 22 3800 2460 2535 2730 3040 4375 3 4 1700 750 7 8 2 6 4850 3140 3240 3480 3880 5570 tt Two motor unit 3 4 HP 64 Cabinet Unpacking Continued 3 Carefully remove cabinet from carton by lifting out unit using straps provided CAUTION Do not attempt to lift this air curtain by its louver or damage may result 4 Unscrew six 6 knurled nuts and remove air intake grille See Figure 3 Figure 3 Removing Air Intake Grille 5 Carefully disconnect motor electric cord plug assembly and remove two wing nuts on blower base See Figure 4 Figure 4 Removing Motor Blower Assembly 6 To remove motor blower assembly lift from rear of motor housing to prevent damage and misalignment to shaft and blower wheels NOTE Unit is shipped with styrofoam motor support block which must be discarded at this time NOTE After unpacking unit inspect carefully for any damage that may have occurred during transit Check for loose mi
7. eel Tighten mounting bolts Replace motor on Insufficient air flow Improper voltage Outlet louvers closed Intakes obstructed Motor speed setting on low Dirty blower wheels AUN Reconnect to proper voltage Open Remove any obstruction Position toggle switch to high Clean ahkona 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 Replacement Parts For Air Curtain Cabinets Figure 9 Replacement Parts Illustration Replacement Parts List For Air Curtain Cabinets Key Part Numbers for Cabinets length No Description 36 38 42 48 60 1 Cabinet box assembly ACCA36A ACCA38A ACCA42A ACCA48A ACCA60A 2 Cabinet Intake Grille API3685 API3885 API4285_ API4885 API6085 3 Cabinet Intake grill knurled nut AP0002 AP0002 AP0002 AP0002 AP0002 4 Cabinet louver kit ACL36 ACL38 ACL42 ACL48 ACL60 5 Electric box ACEB ACEB ACEB ACEB ACEB 6 Electric box cover ACFPSPC ACFPSPC ACFPSPC ACFPSPC ACFPSPC Replacement Parts For Motor Blower Assemblies 7 Figure 9 Replacement Parts Illustration Replacement Parts For Air Curtain Cabinets
8. nd all sections of this manual Any variance voids the warranty and may create unsafe conditions 7 Special attention must be given to any grounding information pertaining to this product To prevent the risk of electrocution the unit must be securely and adequately grounded This should be accomplished by connecting a grounded conductor between the service panel and the grounding lug or green lead wire provided in the wiring compartment To ensure a proper ground the grounding means must be tested by a qualified electrician 8 Do not insert fingers or foreign objects into the air curtain Do not block or tamper with it in any manner while it is in operation Do not touch it while in operation or just after it has been turned off as some parts may be hot enough to cause injury 9 This product must NOT be used in potentially dangerous locations such as hazardous locations where flammable explosive chemical laden or wet atmospheres are present 10 Do not attach ductwork to this product or attempt to use it as a make up air heater Such use voids the warranty and may create unsafe conditions WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT USE THIS AIR CURTAIN WITH ANY SOLID STATE SPEED CONTROL DEVICE Installation 1 Using location template provided determine mounting 2 Drill holes and attach mounting hardware not included IMPORTANT THE HARDWARE AND THE SUPPORTING STRUCTURE MUST BE CAPABLE
9. nect 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 6 Replace switch box cover 7 Unit is ready for operation CAUTION Make sure amp rating of any ON OFF switch exceeds nameplate amp rating of motor 8 Restore power NOTE Air curtain has high low selector switch See Operation section for proper setting instructions 9 Upon completion of all installation inspect unit for excessive vibration during operation lf excessive vibration is noticeable disconnect power supply Inspect mounting installation and refer to Troubleshooting Chart for probable cause AMP PLUG HISPEED BLACK BLACK COMMON WHITE M F WHITE LOW SPEED RED RED EARTH GREEN HI ojLow GND I SWITCH BLACK W N L1 B L2 Above for 1 4 HP 220 volt motor Operation 1 After power has been connected to unit fans will start in either preset high low speed selection
10. r 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
11. ssing or damaged parts General Safety Information WARNING TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK OR INJURY TO PERSONS OBSERVE THE FOLLOWING 1 Use this unit only in the manner intended by the manufacturer If you have questions contact the manufacturer 2 Before servicing or cleaning unit switch power off at service panel and lock service panel to prevent power from being switched on accidentally 3 Installation work and electrical wiring must be done by qualified persons in accordance with all applicable codes and standards including fire rated construction 4 When cutting or drilling into wall or ceiling do not damage electrical wiring or other hidden utilities 5 Make certain that the power source conforms to the electrical requirements of the unit Disconnect power before installing or servicing If the power disconnect is out of sight lock it in the open position and tag it to prevent unexpected application of power Failure to do so could result in fatal electrical shock WARNING DO NOT DEPEND UPON A THERMOSTAT OR OTHER SWITCH AS THE SOLE MEANS OF DISCONNECTING POWER WHEN INSTALLING OR SERVICING THE UNIT ALWAYS DISCONNECT POWER AT THE MAIN CIRCUIT BREAKER AS DESCRIBED ABOVE FAILURE TO DO SO COULD RESULT IN FATAL ELECTRIC SHOCK 6 All wiring should be done by a qualified electrician using copper wire only and in accordance with the National Electrical Code NEC all applicable code and ordinances a
12. the products information please contact Marley Engineered Engineered Products Products Service Center toll free by calling 1 800 An SPX Company e 470 Beauty Spot Rd East Cerne Bennettsville SC 29512 USA ECR 35189 Part No 5200 2409 001 03 02 i How TO ORDER REPAIR PARTS KN n order to obtain any needed repair or replacement parts warranty service or technical Marley 8
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