Honeywell Burner M9481 User's Manual
Contents
1. FIG T DIVMENSIONS IW in mm NOTE M9481 M9491 do not have auxiliary shaft All other dimensions are the same LOCATION install the Modutrol motor in any location except where acid fumes or other deteriorating vapors might attack the metal parts or in atmospheres of escaping gas or the explosive vapors in excessive salt environments mount ing base and screws should be zincorcadmium plated not stainless steel or brass Use the 220738A adapter bracket for mounting on these surfaces Allow enough clearance for installing accessories and servicing the motor when selecting a location See Fig 1 If located outdoors mount upright and use liquid tight con duit connectors with wiring box to provide NEMA 3 weather protection MOUNTING Always install motors with the crankshaft horizontal Mounting flanges extending from the bottom of the motor housing are drilled for 1 4 inch 6 4mm machine screws or bolts Motors are shipped from the factory in closed position at the limit of counterclockwise rotation as viewed from the power end of the motor as shown in Fig 2 with the stroke set at 90 VERTICAL REFERENCE VERTICAL REFERENCE FULL CLOSED 90 DEGREE STROKE 160 DEGREE STROKE NON SPRING RETURN MOTORS FIG 2 LIMITS OF MOTOR ROTATION STANDARD BOLTS 4 A ADAPTER BRACKET An OR 1 4 ZINC PLATED MACHINE SCREWS OR BOLTS ADAPTER BRACKET The220738A Adaptor Bracket positioned betwee2. M94XXF has 2 spat switches ONE CONTACT 120v 240v Full Load 7 2 3 6 Locked Rotor 43 2 21 6 340 VA pilot duty 1201240 Vac on opposite contact DIMENSIONS See Fig 1 UNDERWRITERS LABORATORIES INC LISTED File No E4436 Guide No XAPX CANADIAN STANDARDS ASSOCIATION CERTIFIED General Listing File No LR1620 400 E TORQUE IN lb in mm NORMAL STROKE RUNNING BREAKAWAY MOTORS MOTORS TORQUE TORQUE 15sec 30sec 75 8 5 150 17 0 30sec 1 150 17 0 300 34 0 1 2 12 4 300 134 01 600 168 01 90 Breakaway torque is the maximum torque available to overcome occasional large loads such as a seized damper or valve MOTOR MUST NOT BE USED CONTINUOUSLY AT THIS RATING Stalling of 2 4 min motor will damage motor ACCESSORIES ES6501 17 Explosion proof Housing Encloses motor for use in explosive atmospheres Not for use with Q601 Q618 and Q455 Linkages Order from Nel son Electric Co Requires Honeywell 7617DM Cou ling Q607 Auxiliary Switch Controls auxiliary equipment as a function of motor position Q605 Damper Linkage Connects motor to damper INCLUDES MOTOR CRANK ARM 0618 Linkage Connects Modutrol motor to water or steam valve Q601 Bracket and Linkage Assembly Connects Modutrol motor to water or steam valve Q100A B Linkage Connects Modutrol motor to but terfly valve Requires adapter bracket packed with motor Q209E F Potentiometer Limits
3. cam clockwise until R B contacts close b contacts are closed rotate cam counterclockwise until R B contacts open 6 For switch differential of 10 check continuity of auxiliary switch R B contacts and rotate cam as follows If contacts are open rotate cam counterclockwise until R B contacts close b If contacts are closed rotate cam clockwise until R B contacts open c Final adjustment in the proper direction should be made to obtain contact make or break at the desired position 7 Check for proper differential and switching of auxil iaryequipmentby runningmotorthroughfullstroke in both directions using 135 ohm pot Repeat adjustment if necessary 8 Disconnect 135 ohm pot reconnect controller re place top cover on motor NOTE If differential is changed from 1 to 10 the switch ing action is reversed thus switch contacts R B make and R W breakon acounterclockwise closed rotation MODULATING SERIES 90 CIRCUIT The potentiometers one in the controller and one in the motor along with resistor network form a bridge circuit As long as the value of the controlled medium remains at the controller set point the circuit is balanced and the motor does not run When the value of the controlled medium changes the potentiometer wiper in the controller is moved which unbalances the bridge circuit This unbalance is amplified and energizes Triac switching to run the motor in the directio
4. fast rise portion for switching 1 differential and a slow rise portion for slow switching 10 differential Switching action and color coding are shown in Tables 1 and 2 on page 8 Motors with factory added auxiliary switches are shipped in the closed position counterclockwise as viewed from power end with auxiliary cams set to actuate switches 30 from the closed position and to provide 1 differential Wiih motor in closed full counter clockwise 7 position auxiliary switch breaks R B IMPORTANT Do not turn motor shaft by hand or with a wrench as damage to the gear train and circuit board stroke limit contacts will result AUXILIARY SWITCH SETTING PROCEDURE Fig 9 1 Removetopcoverfrom motorto gain access to motor terminals and cam adjustments 2 Disconnect controller from motor and connect 135 ohm manual potentiometer with R W B terminals on pot connected to corresponding terminals on motor Fig 9 3 Adjust 135 ohm pot so that motor shaft turns to position where auxiliary equipment is to be switched 4 Insert a 1 8 in straight blade screwdriver into slot cam associated with selected auxiliary switch The inner blue cam actuates the inner right switch the outer red cam actuates the outer left switch MOVE TOP OF SCREWDRIVER to set cams 5 For switch differential of 1 check continuity of aux iliary switch R B contacts and rotate cam as follows a contacts are open rotate
5. fire and high fire positions 1 To prove low fire use red common and yellow wires connected to outer left switch This switch makes red to yellow and breaks red to blue as motor closes 2 Wires connected to the inner right switch are black with colored tracers To prove high fire use red tracer common and blue tracer wires The right switch makes red tracer to blue tracer and breaks red tracer to yellow tracer as motor opens Color coding and switching action are tabulated below to aid the installer TABLE 1 CAM SWITCH WIRES SWITCH ASSEMBLY CAM LOCATION LOCATION COLOR CODE COLOR DESIGNATION Left Outer Red Solid Yellow Normally Closed N C Solid Red Common COM Solid Blue Normally Open N O Right Yellow Tracer Normally Closed N C aViewed from power end of motor gt See Fig 6 SWITCHING ACTION Red Tracer Blue Tracer Common COM Normally Open N O TABLE 2 SWITCH NORMAL CAM LOCATION FUNCTION MAKES BREAKES POSITION Red Red to to Yellow Blue Left Proves Low Fire Position Right Proves Red Tracer High Fire to Position Blue Tracer aViewed from power end of motor See Fig 9 STROKE SETTING On M94XXD E F motors stroke is field adjustable and can be set from 90 to 160 Motors are shipped in 90 position In order to set stroke both mechanical and elec trical adjustments are required The mechanical adjust ments cams establish the full open clockwise a as vie
6. minimum position of motor Q68 Dual Control Potentiometer Controls 1 through 9 additional motors Q181 Auxiliary Potentiometer Controls 1 or 2 addi tional motors 221455A Motor Crank Arm lInfinitely adjustable crank arm Approximately 0 75 inches shorter than the 4074ELY crank arm can rotate through downward position and clear base of motor without requiring use of adapter bracket 220741A Screw Terminal Adapter converts the stan dard quick connect terminals to screws terminals Transformers mounted internally provide 24 Vac power to motor 198162JA 24 Vac 50 60 Hz for electrical iso lation 198162EA 120 Vac 50 60 Hz 198162GA 220 Vac 50 60 Hz 198162AA 120 208 240 Vac 50 60 Hz Q7130A Interface Module with selectable voltage ranges 4 7 Vdc 6 9 Vdc and 10 5 13 5 Adapts motor to M71 XX function Q7230A Interface Module selectable voltage or cur rent control with adjustable null and span Adapts motor to M72XX function 4 to 20 mA or 2 to 10 Vdc Q7330A interface Module for W936 economizer ap plications Adapts motor to M73XX function Q7630A interface Module 3 wire 14 17 Vdc control with minimum position capability Adapts motor to 76 function 4074BYK Control to 6 M91XX motors in unison from one Series 90 controller 4074EAU Drive 2 or 3 M91 XX motors from a W973 Single zone Logic Panel or W7100 Discharge Air Controller 4074EDC Drive one M91XX motor from a 4 20 mA Controller
7. past the ball joints Check to see that there is adequate clearance for the linkage to move through its stroke without binding or striking other objects Check to see that cams operate the auxiliary switches if used at the desired point of motor rotation NOTE Motors are shipped in the fully closed position the limit of counterclockwise rotation as viewed from the power end of the motor with the stroke set at 90 SERIES 90 MOTORS OPERATION CHECK WITH MODUTROL MOTOR DISCONNECTED FROM CONTROLLER STEP ACTION RESPONSE IF NO OR LIMITED RESPONSE 2 Proceed to Step 6 3 Proceed to Step 6 4 Connect terminals R to B to W Proceed to Step 6 position 5 Remove jumpers from R B and W 17 to 20 Vdc Check voltage between B and R and W and R 6 is defective 8 Disconnect 24 Vac Spring return motors return to their normal mechanical position NOTES No voltage or out of range Proceed to Step 7 Replace motor Replace motor Spring mechanism defective replace motor a Ensure motor transformer is sized properly If a common transformer is used to power multiple motors ensure power input is in phase with all motors 6 Motors may operate in Series 90 or two position control applications However checking voltage between terminals R to and R to W is necessary to confirm proper operation in electronic W973 4 to 20 mA etc applications DAMPER APPLICATION 1 Turn off power and remove w
8. 1 8 IN STRAIGHT BLADE SCREWDRIVER INNER CAM OUTER CAM NOTE CAMS ARE OFFSET VERTICALLY TO PROVIDE BETTER VIEW OF BACK CAM FIG 8 STROKE ADJUSTMENT SETUP 0209 5963 135 POTENTIOMETER STROKE ADJUST CAMS YELLOW OOOO INNER AUXILIARY CAM BLUE SWITCH POWER END OF MOTOR OUTER AUXILIARY CAM RED POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REOUIRED A2 TRANSFORMER MAY BE EXTERNAL OR INTERNAL M315C MOVE SCREWDRIVER AT TOP ONLY TO ADJUST CAM 1 8 IN STRAIGHT BLADE SCREWDRIVER es RIGHT INNER SLOW RISE AUXILIARY PORTION SWITCH APPROX 10 DIFF FAST RISE INNER PORTION AUXILIARY APPROX CAM 1 DIFF BLUE LEFT OUTER AUXILIARY SWITCH SLOW RISE PORTION APPROX 10 DIFF OUTER FAST RISE AUXILIARY 8 cae 1 DIFF BED MOTOR ope oo wron CLOSE POWER END NOTE CAMS ARE OFFSET VERTICALLY TO PROVIDE BETTER VIEW OF BACK CAM M 306D FIG O AUXILIARY SWITCH ADJUSTMENT SETUP 63 2195 I IMPORTANT Set cams by moving top of screwdriver only Press ing screwdriver against sides of cam slots could cause damage to motor end switches 4 Insert 1 8 in screwdriver blade into slot on outer yellow cam and MOVE_TOP OF SCREWDRIVER as far as possible clockwise Repeat in successive cam slots until outer cam is against clockwise stop NOTE Excessive force will da
9. 4074EED Drive up to 4 M91 XX motors from 4 20 mA Controller 221508A Resistor Board Plugs onto quick connects in wiring box of M91XX motor Can be used in place of 4074BYK EAU EDC or EED resistor kits func tions described above 7616ADW Motor Crank Arm Approximately 0 75 inches shorter than the 7616BR crank arm can rotate through the downward position and clear base of motor without requiring use of adapter bracket WHEN INSTALLING THIS PRODUCT 1 Read these instructions carefully Failure to follow them could damage the product or cause a hazardous condition 2 Checkthe ratings given in the instructions andon the product to make sure the product is suitable for your application 3 Installer must be a trained experienced service technician 4 After installation is complete check out product operation as provided in these instructions CAUTION Disconnect power supply before beginning in stallation to prevent electrical shock and equip ment damage Never turn the motor shaft by hand or with a wrench this will damage the motor Always conduct a thorough checkout when in stallation is complete 63 2195 WIRING BOX AUXILARY END 115 a 73 185 ADAPTER BRACKET TOP VIEW OF BRACKET ONLY POWER END 4 88 124 5 37 136 gt 1 i i 1 1 I 1 1 i i 1 1 1 i 1 1 I l 1 L
10. Honeywell M9484 AND M9494 MODUTROL MOTORS ARE LOW VOLTAGE REVERSING PROPORTIONAL CONTROL ACTUATORS FOR VALVES DAMPERS AND AUXIL IARY EQUIPMENT THEY ARE ESPECIALLY DE SIGNED FOR COMMERCIAL OR INDUSTRIAL OIL OR GAS BURNER CONTROL SYSTEMS ei Replace M941 motors Oil immersed motor and gear train for reliable per formance and long life 1 Wiring box provides NEMA weather protection O Actuator motor and circuitry operate from 24 volts AC Models available with factory installed transformer or internal transformer can be field added 0 Quick connect terminals standard screw terminal adapter available CI Adapter bracket for matching shaft height of older motors is standard with replacement motors O Field adjustable stroke 90 to 160 models avail able Q Nominal timing of 30 seconds for 90 and 60 sec onds for 160 stroke is standard Other timings are available Die cast magnesium housing Available accessories include valve and damper linkages explosion proof housing and auxiliary switches O Field addable interface modules can be mounted in wiring box to upgrade actuator to Series 70 electronic control Models available with tapped output shaft O M9481 M9484 rated for 150 Ib in torque at stan dard timings 1 M9491 M9494 rated for 300 Ib in torque at 2 or 4 minute timings for 160 stroke S M Form Number 63 2195 Rev 11 90 Honeywell Inc 1990 MODUTROL IV M
11. NEC CLASS 1 UNLESS POWER SUPPLY MEETS CLASS 2 REQUIREMENTS TAPE UNUSED LEADS MAKE CERTAIN THE CURRENT DRAW OF THE EXTERNAL CIRCUIT IS LESS THAN CONTACT RATING OF SWITCH CCW cw WINDING WINDING ON TWO SWITCH MOTORS SECOND SWITCH HAS BLACK LEADS WITH BLUE YELLOW AND RED TRACERS Z otrection OF MOTOR TRAVEL AS VIEWED FROM POWER END Mami A CONNECT 24V POWER TO 1 2 TERMINALS ONLY DO NOT CONNECT POWER SUPPLY TO CONTROLLER TERMINALS PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED ZA tumn LIMIT POT FULL CLOCKWISE AFOR160 STROKE FULL COUNTERCLOCKWISE amp FOR 90 STROKE E3838 FIG 5 INTERNAL WIRING OF M9484 MODUTROL FIG 6 AUXILIARY SWITCH INTERNAL WIRING MOTORS MINIMUM STROKE ADJUST POSITION CAMS YELLOW INNER AUXILIARY SWITCH INNER AUXILIARY SWITCH CAM BLUE OUTER AUXILIARY SWITCH CAM RED gt QUTER AUXILIARY SWITCH ADJUSTABLE STROKE POT NOTE FEATURES AVAILABLE ON SOME MODELS ONLY 304A FIG 7 TERMINALS AND ADJUSTMENTS 7 63 2195 1 AUXILIARY SWITCH CONNECTIONS Disconnect all power supplies to de energize the auxiliary switches before servicing The M9484E has 1 internal auxiliary switch The switch wires are color coded as follows solid yellow normally closed N C solid red common COM solid blue normally open N O SWITCH CAM COLOR CODING The M9484F has 2 internal auxiliary switches which may be used to prove low
12. NIMUM POSITION PO TENTIOMETER SERIES 99 CONTROLLER OPTIONAL CONNECTIONS WITH 2 135 OHM POTENTIOMETERS IN SERIES SERIES 90 CONTROLLER b m m od SERIES 90 HIGH LIMIT CONTROL power SUPPLY PROVIDE DISCONNECT MEANS AN OVERLOAD PROTECTION AS REQUIRED ZA TRANSFORMER MAY BE INTERNAL OR EXTERNALTO MOTOR E2484 FIG 1 MOTOR USED WITH A SERIES 90 CONTROL LER AND A SERIES 90 LOW OR HIGH LIMIT CONTROL 4 20 mA SOURCE SINGLE MOTOR UP TO 4 ADDITIONAL SLAVE MOTORS 6 TOTAL A RESISTOR A DEPENDS ON NUMBER OF SLAVES SEE RESISTOR SELECT ION CHART IN TEXT A SEE MOTOR SPECIFICATIONS FOR ACTUAL TERMINAL ARRANGEMENT 474 FIG 13 CONNECTIONS FOR MOTOR USED WITH 4 TO 20 mA CONTROL 11 63 2195 I 4074EED RESISTOR SELECTION CHART FOR 4 20 mA MINIMUM OUTPUT VOLTAGE REQUIRED MOTORS Vdc 23 2 124113 1058 33 a Not part of this kit obtain separately P These values represent the controller output voltage required to drive the motors RESISTOR A CHECKOUT After installation and linkage adjustment check the entire motor and control hookup to ensure that motor operates the damper or valve properly The motor responds properly to the controller Inspect the motor linkage and valve or damper to see that all mechanical connections are correct and secure In damper installations the pushrod should not extend more than a few inches
13. OTORS M9484 M9481 M9494 M9491 STANDARD MODELS M9484D E F M9494D Control Type ae Letter 94 is Series 90 D is adjustable stroke 90 to 1 60 Power Rating No auxiliary switches 8 is high torque E is adjustable stroke 150 Ib in at 90 to 1 60 standard timing 1 auxiliary switch 9 is high torque F is adjustable stroke 300 90 to 1 60 2 or 4 min timing 2 auxiliary switches Output Drive 4 is dual ended shaft non spring return 1 is single ended shaft non spring return NOTE Some motors furnished to equipment manufactur ers will have no adapter bracket a single ended shaft and or no wiring box CONTROLLER TYPE Series 90 Control Circuit 135 ohm series 90 proportioning controller Series 90 high or low limit controller with manual minimum position po tentiometer with a combined total resistance of up to 500 ohms may also be used in the control circuit MOTOR ROTATION Normally closed The closed posi tion is the limit of counterclockwise rotation as viewed from the power end of the motor See Fig 2 Motor opens clockwise as viewed from the power end Motors are shipped in the closed position ELECTRICAL RATINGS VOLTAGE POWER V 50 CURRENT CONSUMP 60 Hz DRAW A TION W Without 24 18 Transformer With internal 12 23 0 0 24 Transformer 23 STROKE Field adjustable from 90 to 160 Start position of shaft changes with adjustment of stroke Mi
14. ded in damper appli cations requiring the crank arm to rotate through the bottom plane of the actuator If the bracket is not used in a replacement application the damper linkage will have to be adjusted to the new shaft position The motor comes without a crank arm The crank arm is included in the Q605 linkage or may be ordered sepa rately see Accessories or detailed instructions on the assembly of specific linkages refer to the instruction sheet packed with each linkage In general however check the following points of operation when installing a motor and linkage 1 Linkages for valves and louver type dampers should be adjusted so that the damper or valve moves through only the maximum required distance when the motor moves through its full stroke 2 With modulating control maximum damper opening should be no more than 60 Little additional airflow is provided beyond this point 3 The motor must be stopped at the end of its stroke by the limit switch and must not be stalled by the damper or valve The motor will be damaged if it is not permitted to complete its full stroke 63 2195 ADAPTER BRACKET LX 12 OR 1 4 ZINC PLATED MACHINE SCREWS OR BOLTS ZA FIRST HAND TIGHTEN BOLTS SECURING BRACKET TO LINKAGE TIGHTEN AFTER SECURING MOTOR TO THE BRACKET USING FOUR BOLTS PROVIDED a BOLTS PROVIDED 4 POWER END OF MOTOR WIRING BOX FIG 4 MOTOR MOUNTING ON VALVE LINKAGE 4 Do not exceed the motor ra
15. dpoint of stroke remains fixed as stroke is adjusted as shown in Fig 2 Stroke is adjusted by means of cams located in wiring compartment See Stroke Setting Procedure Motors are shipped with stroke set at 90 DEAD WEIGHT LOAD ON SHAFT Power or Auxiliary End 200 lb 90 8 kg maximum Maximum Combined Load 300 Ib 136 kg AMBIENT TEMPERATURE RATINGS Maximum 150 F 66 25 duty cycle Minimum minus 40 F 40 C CRANKSHAFT 3 8 inch 9 5mm square M9484 M9494 have double ended shaft M9481 M9491 have single ended shaft aThe normal position is the position the motor will assume with controller disconnected WHEN PURCHASING REPLACEMENT AND MODERNIZATION PRODUCTS FROM YOUR AUTHORIZED DISTRIBUTOR REFER TO THE TRADELINE CATALOG OR PRICE SHEETS FOR COMPLETE ORDERING NUMBER IF YOU HAVE ADDITIONAL QUESTIONS NEED FURTHER INFORMATION OR WOULD LIKE TO COMMENT ON OUR PRODUCTS OR SERVICES PLEASE WRITE OR PHONE 1 YOUR LOCAL HONEYWELL RESIDENTIAL AND BUILDING CONTROLS SALES OFFICE CHECK WHITE PAGES OF PHONE DIRECTORY 2 RESIDENTIAL AND BUILDING CONTROLS CUSTOMER SERVICE HONEYWELL INC 1885 DOUGLAS DRIVE NORTH MINNEAPOLIS MINNESOTA 55422 4386 612 542 7500 IN CANADA HONEYWELL LIMITED HONEYWELL LIMITEE 740 ELLESMERE ROAD SCARBOROUGH ONTARIO MI P 2V9 INTERNATIONAL SALES AND SERVICE OFFICES IN ALL PRINCIPAL CITIES OF THE WORLD AUXILIARY SWITCH RATINGS amperes M94XXE has 1 spdt switch
16. iring from the old actuator 2 Remove crank arm from shaft of old actuator and remove the old actuator 3 Gheckto see whether or not the mounting bracket is needed If the linkage can reach the lowershaft position of the new actuator and if the crank arm has clearance for the needed rotation then the bracket is not needed Use 220738A Adapter Bracket or 221455A crank arm if crank arm must rotate through the bottom plane of the motor for damper applications 4a lf the bracket is not needed mount the new actuator directly to the equipment and refer to the INSTALLATION SETTINGS amp ADJUSTMENTS andCHECKOUTsections of these instructions as needed 4b ifthe bracket is needed referto the Adapter Bracket sections and see Fig 3 as well as the INSTALLATION SETTINGS amp ADJUSTMENTS and CHECKOUT sections of these instructions 5 Use old mounting bolts to mount the new actuator 6 Mountthedampercrankarmandlinkagetotheshaft of the new actuator 8 Use the CHECKOUT procedures to test the proper adjustment of the crank arm and linkage VALVE APPLICATION When installing a M9484 M9494 motor in a valve ap plication which has a Q100 Q601 or Q618 it will be necessary to use the 220738A Adapter Bracket provided to raisethe motorshafttothesame height asthatof the old motor Ensure motor stroke is 160 to operate Honeywell Honeywell Inc U S A 1885 Douglas Drive N Golden Valley MN 55422 4386 CANADA 740 Ellesmere Road Scarbor
17. mage cam stop on hub 5 Check motor stroke before connecting linkage 6 Disconnect 135 ohm pot reconnect controller re place top cover on motor 7 Attach linkage to motor SETTING 90 STROKE Fig 8 1 Turn stroke pot fully counterclockwise 2 Drive motor to mid position using 135 ohm pot Q209 or 963 or by jumpering B R W 3 Insert 1 8 in screwdriver into slot on inner yellow cam and MOVE TOP OF SCREWDRIVER as far as possible clockwise viewed from power end Re peat in successive cam slots until inner cam is against clockwise stop NOTE Excessive force will damage cam stop on hub 4 Insert 1 8 in screwdriver blade into slot on outer yellow cam MOVE OF SCREWDRIVER as far as possible counterclockwise Repeat in successive cam slots until outer cam is against counterclockwise stop NOTE Excessive force will damage cam stop on hub 5 Check motor stroke before connecting linkage 6 Disconnect 135 ohm pot reconnect controller re place top cover on motor 7 Attach linkage to motor AUXILIARY SWITCHES The auxiliary switches in M9484E F motors are actu ated by adjustable cams The cams are mounted on the motor shaft at the power end of the motor The settings of the cams determine the point in motor shaft rotation at which the auxiliary equipment will be switched on or off These cams can be set to actuate switches at any angle within the stroke of the motor Also each cam provides a
18. n necessary to correct the change in temperature or pressure The motor turns the feedback potentiometer to rebalance the circuit and stop the motor 10 CONNECTION DIAGRAMS Figs 10 13 These motors are designed for use in series 90 propor tioning control circuits employing a 135 ohm series 90 controller Series 90 high or low limit controls or manual minimum position potentiometers may also be used in the control circuit The M9484 can also be used with some electronic controllers which provide a 4 20 mA control output It is necessary to use a resistor kii 4074EED for controlling up to 6 motors or Q7230 Interface Module to interface to the 4 20 mA source The standard series 90 controller has R W and B terminals As the controller reduces Rto W resistance the motor will drive closed CCW as viewed from the power end SERIES 90 CONTROLLER POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED ZA TRANSFORMER MAY BE INTERNAL OR EXTERNAL TO MOTOR 74 FIG 10 CONNECTIONS TO SERIES 90 CONTROL LER SPDT SWITCH OR SERIES 60 CONTROLLER USED AS HIGH LIMIT A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REOUIRED A USE SOLID LINE CONNECTION FOR POSITIVE CLOSING TO MINIMUM POSITON SUBSTITUTE DOTTED LINE CONNECTION FOR POSITIVE FULL CLOSURE TRANSFORMER MAY BE INTERNAL OR EXTERNAL TO MOTOR M428 FIG 12 CONNECTIONS FOR MOTOR SERIES 90 CONTROLLER MI
19. n the motor and the equipment raises the shaft height of the M9484 motor by 0 75 inch to match that of the M941 motor This is required on all valve linkage applications Q607 External Auxiliary Switch applications and on some damper linkage applications either to provide clearance for the crank arm to rotate through the downward position or to allow the damper linkage to reach the shaft To mount the motor with the bracket 1 Mount the bracket to the equipment with existing or standard bolts 2 Mount the motor to the bracket using the bolts pro vided into the threaded holes of the bracket see Fig 3 For valve linkage applications the bracket should first be mounted to the linkage see Fig 4 The bracket then provides a convenient base on which the motor can be positioned After the motor shaft is aligned to the linkage it can then be attached to the bracket with the 4 bolts provided These bolts go through the inner set of holes in the motor and into the threaded holes of the bracket PROVIDED 4 f g FIG 3 MOUNTING MOTOR WITH 220738A ADAPTER BRACKET The bracket is first mounted to the equipme with standard bolts The motor is then mounted to the bracket using the bolts provided with the bracket which thread into the threaded bracket holes DAMPER LINKAGES A 220738A Adapter Bracket is packed with replace ment motors Use of this bracket is optional for many damper applications but may be nee
20. ough Ontario 1 2V9 International Sates Offices in all principal cities of the world Manufacturing in Australia Canada Finland Franc Germany Japan Mexico Netherlands Spain Taiwan United Kingdom U S A V5011 two way or V5013 three way valves QUALITY IS KEY PRINTED IN U S A
21. tings in any installation 5 Do not turn motor shaft manually or with a wrench this will damage the motor VALVE LINKAGES The 220738A Mounting Bracket must be used with the Q100 Q601 and Q618 linkages in all valve applications WIRING Disconnect power supply before wiring to prevent electri cal shock or equipment damage All wiring must agree with applicable codes ordinances and regulations A transformer is required to supply 24 Vac power to the motor Make sure that the power requirements stamped on the motor correspond to the characteristics of the power supply Figs 5 and 6 show internal schematics The motor terminals are quick connects located on top of theprintedcircuit boardshown in Fig 7 Ascrewterminal adapter is standard on all Trade models and also may be added to all models Access to the wiring compartment is gained byremovingthe 4 screws inthetoppf the wiring box and lifting off the cover WIRING BOX When used with liquid tight conduit connectors the wiring box provides NEMA 3 weather protection for the motor The box also provides knockouts for wiring conduits and encloses terminals The wiring box standard with replace ment motors is required for housing an internal trans former internal auxiliary switches or Series 70 Interface Modules 9 1 VA A TRIAC TRIAC SWITCHING SWITCHING A BLUE LEAD YELLOW LEAD FEEDBACK POTENTIOMETER CLOSE LIMIT OPEN LIMIT RED LEAD WIRING SHOULD BE
22. wed from the power end and full closed counterclock wise positions of the motor shaft The electrical adjustment trim pot provides sufficient total stroke angle to ensure that cams will actuate both limit switches STROKE SETTING PROCEDURE See Fig 8 Detach linkage from motor before adjusting stroke Yellow Tracer MOTOR POSITION High portion of cam Closing not in Contact with Cam follower Red Tracer High portion of cam Opening to in Contact with Cam follower BEFORE SETTING STROKE 1 Remove top cover from motor 2 Disconnect controller from motor 3 Connect R B W terminals on 135 ohm potentiome ter Q209 or S963 to matching terminals on motor SETTING 160 STROKE Fig 8 1 Turn stroke pot fully clockwise 2 Drive motor to mid position using 135 ohm pot Q209 or 963 or by jumpering B R W 3 Insert 1 8 in screwdriver blade into slot on inner yellow cam and MOVE TOP OF SCREWDRIVER as far as possible counterclockwise viewed from power end Repeat in successive cam slots until inner cam is against counterclockwise stop STROKE ADJUST POT Q209 S963_135 OHM POTENTIOMETER INNER STROKE ADJUST CAM YELLOW OUTER STROKE CAMS YELLOW AUXILIARY SWITCH CAMS POWER END OF MOTOR POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A2 TRANSFORMER MAY BE EXTERNAL OR INTERNAL Waa 13A MOVE SCREWDRIVER AT TOP ONLY TO ADJUST CAM
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