background image

9

Redefining Flow Control

Commissioning

Type 1 - Cam adjustment for plastic cam

For Clockwise to close valve 

To set the open position: 

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

open position. 

c.   Remove cover. 
d.   Locate travel cam 1 (TC1). Lifting the cam 

against the spring will allow the cam to rotate. 

e.   Rotate cam anti-clockwise* until switch 

operates. Note: it may be necessary to rotate 
cam clockwise

+

 first to release switch. 

f.   When switch operates release cam. 
g.   Open limit switch 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. 
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 counter 
clockwise

+

 first to release switch. 

f.   When switch operates release cam. 
g.   Close limit switch is now set. 

* Anti-clockwise for ROM A

+

 Clockwise for ROM A

For Anti-clockwise to close valves 

The indicator flag can be rotated 90º by removing 
the actuator cover and loosening the locking screw 
on the end of the indicator shaft.
The counter clockwise setting procedure is exactly 
the same but the function of LS1 and LS2 will 
be reversed. Refer to wiring diagram to identify 
function of terminals. 

Torque Switches 

Optional extra torque switches can be provided 
for all sizes except ROM 1/A. Torque switches are 
factory set and should not be adjusted. 

ROM 1/A

ROM 2, 3, 4, 5, 6

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...

Reviews: