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ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS

5

63-2511—1

Fig. 3. Installing mounting bracket on ML6194/ML6294 

Non-Spring Return DCA. 

A typical actuator mechanical connection is shown in Fig. 5; 

see Fig. 6 through 13 for wiring diagrams.

CAUTION

Actuator Damage Hazard.

Using actuator as shaft bearing can damage 

actuator.

Use actuator only to supply rotational torque. Avoid 

any side loads to actuator output coupling bearings.

Preparation

Before installing actuator on shaft, determine opening 

direction of shaft to correctly connect wiring. 

Fig. 4. Changing hub inserts.

Installation

Installing Actuator and Mounting Bracket 
(Single-Point Mounting)

1.

Place ML6194/ML6294 Non-Spring Return DCA over 

shaft.

2.

Position actuator for best access to actuator shaft 

locking screw.

3.

Install mounting bracket (see Fig. 2) and adjust it to 

center mounting bracket tab in actuator slot. Mark screw 

holes for installing mounting bracket on housing.

4.

Remove mounting bracket and actuator.

5.

Drill mounting holes for screws (screws not provided).

6.

Place actuator and mounting bracket back into position 

over shaft and install mounting bracket screws.

7.

Move shaft either fully clockwise 

 or fully 

counterclockwise

.

8.

Fully depress and hold declutch button while moving 

actuator hub either fully clockwise

or fully 

counterclockwise

to match shaft. Release 

declutch button.

9.

Tighten the two set screws firmly (80 to 100 lb-in.) 

against shaft.

M11271A

ACTUATOR 

SLOT

DECLUTCH

BUTTON

INSTALL MOUNTING BRACKET SO THAT MOUNTING 

BRACKET TAB IS CENTERED IN ACTUATOR SLOT.

1

1

30

30

0

60

60

90

M11272A

DECLUTCH 

BUTTON

HUB

INSERTS

RETAINING

RING

Содержание ML6194

Страница 1: ...fts with appropriate insert All models shipped with 1 in insert 300 lb in 34 N m torque Magnetic coupling eliminates need for mechanical stops or limit switch adjustments by limiting stall torque which is dependent on temperature Nominal stall torque at room temperature of 68 F 20 C is 410 lb in 95 stroke provides necessary compression of rubber neoprene gaskets commonly used on 90 low leakage dam...

Страница 2: ...Hz Power Consumption ML6194A C ML6294A C 5 VA at 24 Vac ML6194D F ML6294D F 6 VA at 24 Vac Auxiliary Switch Ratings 24 Vac 3 AFL 18 ALR 1A Pilot Duty Feedback Resistor ML6294 only 500 ohm linear potentiometer Cable Ratings Control Standard models include nonplenum UL CSA rated 30V 140 F 60 C 20 gauge cable Auxiliary Switch UL CSA rated 300V 194 F 90 C 18 gauge cable Conduit Fittings Plastic housin...

Страница 3: ...hub sizes Dimensions See Fig 2 Fig 2 Approximate dimensions of ML6194 ML6294 Non Spring Return DCA and mounting bracket in in mm 9 32 7 3 PLACES 1 17 32 39 3 3 32 79 4 102 7 16 11 1 1 4 32 7 11 16 196 8 7 16 215 36 914 1 2 12 5 8 17 13 32 10 1 2 13 3 4 19 7 8 22 1 25 3 5 32 80 1 2 13 1 2 13 1 11 16 43 2 1 2 63 3 5 16 84 4 1 2 114 5 127 6 152 1 4 6 1 1 REMOVABLE RETAINING RING FOR HUB SLEEVE REMOVA...

Страница 4: ...ion will damage the actuator 1 Deteriorating vapors and acid fumes can damage actuator metal parts 2 Install actuator in areas free of acid fumes and other deteriorating vapors 3 Turning motor output hub by hand or wrench can damage internal gears 4 Ensure declutch button is depressed while manually turning hub Mounting The ML6194 ML6294 Non Spring Return DCA is designed with removable hub inserts...

Страница 5: ... 2 Position actuator for best access to actuator shaft locking screw 3 Install mounting bracket see Fig 2 and adjust it to center mounting bracket tab in actuator slot Mark screw holes for installing mounting bracket on housing 4 Remove mounting bracket and actuator 5 Drill mounting holes for screws screws not provided 6 Place actuator and mounting bracket back into position over shaft and install...

Страница 6: ...on See Fig 6 through 9 for typical wiring diagrams Fig 6 ML6194A C typical wiring diagram Fig 7 ML6194D F typical wiring diagram Fig 8 ML6294A C typical wiring diagram M11273A MOUNTING BRACKET TO JUNCTION BOX UP TO 3 FT AWAY 30 30 0 60 60 90 L1 HOT L2 1 1 MOTOR 24 VAC B BLUE W YELLOW T2 BLACK ML6194A C M11283A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED CONTROLLER L1 ...

Страница 7: ...tilation flaps and louvers requiring up to 300 lb in torque The ML6194 and ML6294 Non Spring Return DCA are operated by an spdt floating controller When using an spdt floating controller actuator is driven toward fully open clockwise position when controller makes B contact and toward fully closed counterclockwise position when controller makes W contact It stops when neither contact is made L1 HO...

Страница 8: ...ould stop TROUBLESHOOTING If actuator does not drive travel full stroke or operate properly during checkout perform following troubleshooting procedure before replacing actuator 1 Check actuator label to make sure proper power and control signal requirements are met 2 When actuator should be driving check for 24 Vac at actuator wires a Black T1 and yellow W or blue B b Black T1 and red T2 3 If vol...

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