Bettis Discontinued Product: Installation Guide: QC Module Manual Control Option Manuals & Guides

Installation Instruction

DOC.QC4.MC.1 Rev. A
February 2012

FieldQ XP Control Modules

Manual Control option

For commissioning, emergency or maintenance purposes,
the FieldQ can be supplied with one or two Manual Con­trol options. These can operate the pilot valve(s) inside the
module and as such operate the actuator, when there is air
pressure available, but no control signal or power supply.

1 Mounting Manual Control

1 To add a Manual Control, remove the plug(s) in front of

the module and turn in the Manual Control.

- For normal operation the module should be tted with
one Manual Control.

- For Double Acting with a Fail-in-Last-Position function,
two Manual Control can be tted.

2 Manual Control operation

1 The Manual Control has a “Push & Lock” function:

- To operate the Manual Control, use a screw driver,
push to activate and release to de-activate the pilot
valves.

- If required turn it 45°, to lock it in position and keep the
actuator in its operated state.

2 In case of a Fail in Last Position conguration with two

manual controls:

- The manual control on the right side (default location)
will pressurize the central air chamber and cause the
actuator to rotate counter clock wise. For reverse act­ing FieldQ actuators (Assembly code CC) the actuator
will rotate clock wise.

- The manual control on the left side (Location for 2nd
Manual Control) will pressurize the end cap air cham­bers and cause the actuator to rotate clock wise. For
reverse acting FieldQ actuators (Assembly code CC)
the actuator will rotate counter clock wise.

- In order to operate one of the manual control, be sure
the opposite manual control is de-activated and un­locked.

3 It is possible to rotate the screw multiple cycles. The unit

will than toggle every 90° between “locked” (1) and “un­locked” (0).

Manual Control option

O-ring seal

Manual control

Nut cover

Lock

45°

Unlock

Off

On

Figure 1 Local Manual Control option

Location for 2nd
Manual Control

Default location of
Manual Control

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Copyright © Emerson Process Management. The information in this document is subject to change without notice. Updated data sheets can be obtained from our
web site www.Fieldq.com or from your nearest Valve Automation Center:

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