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11

Redefining Flow Control

Commissioning

Type 3 - Cam adjustment for metal cam 

The following instruction is only applicable to 
situation that the valve is clockwise for closing 
(from the top view). 

To set the Open position:

a.  Turn power off.
b.  Use manual override to turn valve to the fully 

open position.

c.  Remove cover and loosen the TC1 set screw 

using a 2.5 mm Allen key.

d. 

Case 1: 

If the roller of LS1 is touching  

the cylindrical surface of TC1, rotate TC1  
anti-clockwise* slowly until a light click  
is heard.

 

Case 2:

 If the roller of LS1 is touching the flat 

surface of TC1, firstly rotate TC1 clockwise

+

 

slowly until the roller of LS1 is touching the 
cylindrical surface of TC1, then repeat Case 1.

e.  Securely tighten the TC1 set screw and apply 

power to check the travelling position. If the 
position is not correct, please repeat steps a - e.

f.  Open position is now set.

* Clockwise for ROM A

+   

Anti-clockwise for ROM A

To set the Close position:

a.  Turn power off.
b.  Use manual override to turn valve to the fully 

closed position. 

c.  Remove cover and loosen the TC2 set screw 

using a 2.5 mm Allen key.

d. 

Case 1:

 If the roller of LS2 is touching 

the cylindrical surface of TC2, rotate TC2 
clockwise* slowly until a light click is heard.

 

Case 2:

 If the roller of LS2 is touching the flat 

surface of TC2, firstly rotate TC2 anti-clockwise

+

 

slowly until the roller of LS2 is touching the 
cylindrical surface of TC2, then repeat Case 1.

e.  Securely tighten the TC2 set screw and apply 

power to check the travelling position. If the 
position is not correct, please repeat steps a - e.

f.  Close position is now set.

* Anti-clockwise for ROM A

+   

Clockwise for ROM A

ROM A and ROM 1-6

TC:  Travel Cam
LS:  Limit Switch

TC1: “OPEN”
Clockwise

 

 ROM 1-6: Increase opening degree to fully open

 

ROM A: Decrease opening degree

Anti-clockwise 

 ROM 1-6: Decrease opening degree

 

ROM A: Increase opening degree to fully open

TC2: “CLOSE”  
Clockwise

 

 ROM 1-6: Decrease closing degree

 

ROM A: Increase closing degree to fully closed

Anti-clockwise 

 ROM 1-6: Increase closing degree to fully closed

 

ROM A: Decrease closing degree

TC3: Synchronous turn with TC1 (optional)
TC4: Synchronous turn with TC2 (optional)

Summary of Contents for ROM 1/A

Page 1: ...Redefining Flow Control ROM Series Installation Manual Valve Actuators...

Page 2: ...connections 6 Operating by hand 7 Commissioning 8 Troubleshooting 13 Wiring diagram 14 This manual contains important safety information Please ensure it is thoroughly read and understood before inst...

Page 3: ...mechanical installation should be carried out as outlined in this manual and also in accordance with relevant standards such as British Standard Codes of Practice Actuator may start and operate withou...

Page 4: ...or as the combination may be top heavy and therefore unstable A suitable mounting flange conforming to ISO5211 or USA Standard MSS SP101 must be fitted to the valve Refer to label for conformation of...

Page 5: ...ng the bolt in reduces movement out increases movement For clockwise closing valves the right hand stop bolt is the closed stop The left is the open stop as shown in the picture Adjustment for non sea...

Page 6: ...nce with Rotork publication PUB008 001 Remove red plastic transit plugs Make cable entries appropriate to the cable type and size Ensure that threaded adaptors cable glands or conduit are tight and fu...

Page 7: ...hen the actuator is operated electrically CAUTION With respect to handwheel operation of Rotork electric actuators under no circumstances should any additional lever device such as a wheel key or wren...

Page 8: ...ow items described below For plastic cam as shown in picture A refer to Type 1 Cam adjustment for plastic cam on page 9 to adjust Cam For metal cam of ROM 1 A as shown in picture B refer to Type 2 Cam...

Page 9: ...n c Remove cover d Locate travel cam 2 TC2 Depressing the cam against the spring will allow the cam to rotate e Rotate cam clockwise until switch operates Note it may be necessary to rotate cam counte...

Page 10: ...m 1 2 3 below 1 Use manual override to turn valve to the fully closed position 2 Make sure the roller of LS2 is touching the cylindrical surface of TC2 3 Case 1 For ROM 1 rotate TC2 clockwise slowly u...

Page 11: ...verride to turn valve to the fully closed position c Remove cover and loosen the TC2 set screw using a 2 5 mm Allen key d Case 1 If the roller of LS2 is touching the cylindrical surface of TC2 rotate...

Page 12: ...has slipped out of range Move the valve to the fully closed position and ensure the stop bolts are correctly set Note there are no stop bolts in ROM 1 A Remove the potentiometer mounting screws to re...

Page 13: ...eats 1 Is the voltage correct 2 Is the valve too tight for operation 3 High working frequency 1 Check voltage 2 Investigate valve 3 Check duty cycle Actuator operates but no valve moment 1 Drive adapt...

Page 14: ...14 Wiring Diagram ROM 1 A 2 3 4 5 6...

Page 15: ...15 Redefining Flow Control Notes...

Page 16: ...For the very latest version release visit our website at www rotork com The name Rotork is a registered trademark Rotork recognises all registered trademarks Published and produced in the UK by Rotor...

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