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Figure 6

:  ND/ND2 Motor Actuator Replacement Assembly

ACTUATOR/BRACKET

ASSEMBLY

ND/ND2

DAMPER

DAMPER BLADE SHAFT

ADAPTOR 

SHAFT

ADAPTOR SHAFT-

URD/ND MATING

EXISTING
MOUNTING 
POSTS--ND2

EXISTING
MOUNTING 
POSTS--ND

11/32” HEX NUTS

(ND2 ONLY)

POSITION

BLADE SHAFT

SLOT VERTICALLY

ACTUATOR

MOUNTING NUTS

Figure 7

:  Completed URD/RDN Actuator Replacement

Figure 8

:  Completed ND/ND2 Actuator Replacement

Model MRK

 - Motor Actuator Replacement Kit

EWC Controls Inc.   385 Highway 33    Englishtown, NJ 07726   800-446-3110    FAX 732-635-8646     E-Mail- [email protected]

4

**ACTUATOR CLAMP NOT SHOWN FOR CLARITY

**ACTUATOR CLAMP NOT SHOWN FOR CLARITY

**ACTUATOR CLAMP NOT SHOWN FOR CLARITY

NOTE

:  POSITION OF MOUNTING POSTS 

MAY REQUIRE THE ACTUATOR/BRACKET 
ASSEMBLY TO BE ROTATED 180  FROM 
POSITION SHOWN 

°

Содержание ULTRAZONE MRK

Страница 1: ...ete the replacement Disconnect 24vac power supply Tag and remove low voltage wires from existing actuator MODEL URD RDN STYLE DAMPERS Figure 2 Using 1 4 nut driver Insert 1 2 self tapping screws into proper holes and tighten Keeping the folds on the Anti Rotation Bracket away from the Motor Actuator align holes on Anti Rotation Bracket with holes on rear of MA ND3 Follow instructions for Replacing...

Страница 2: ...D damper position the slot on the Damper Blade Shaftvertically and insert the URD ND mating end of the ShaftAdaptorfully into the Damper Blade Shaft Align Actuator Bracket Assembly and mounting holes with ShaftAdaptorand mounting brackets Insert Philips head screws thru mounting brackets into the Anti Rotation Bracket and tighten Using a 5 16 nut driver tighten theV boltto the ShaftAdaptor Reconne...

Страница 3: ...gure 5 RDN Motor Actuator Replacement Assembly ACTUATOR BRACKET ASSEMBLY RDN DAMPER DAMPER BLADE SHAFT SHAFT ADAPTOR POSITION SET SCREW FACING UP ADAPTOR SHAFT RDN MATING FLAT SIDE UP MOUNTING BRACKETS MODEL ND ND2 STYLE DAMPERS Figure 6 Remove the two 2 11 32 actuator mounting nuts holding existing motor actuator to damper frame Pull the existing motor actuator straight off For ND2 dampers place ...

Страница 4: ...OUNTING NUTS Figure 7 Completed URD RDN Actuator Replacement Figure 8 Completed ND ND2 Actuator Replacement Model MRK Motor Actuator Replacement Kit EWC Controls Inc 385 Highway 33 Englishtown NJ 07726 800 446 3110 FAX 732 635 8646 E Mail info ewccontrols com 4 ACTUATOR CLAMPNOT SHOWN FOR CLARITY ACTUATOR CLAMPNOT SHOWN FOR CLARITY ACTUATOR CLAMPNOT SHOWN FOR CLARITY NOTE POSITION OF MOUNTING POST...

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