Installation Instruction - Manual Control option: QC41, QC42 QC43

Installation Instruction - Manual Control option: QC41, QC42 QC43
Installation Instruction
DOC.QC4.MC.1 Rev. B
October 2015
Manual Control option
For commissioning, emergency or maintenance purposes,
the module 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 fitted with
one Manual Control.
- For Double Acting with a Fail-in-Last-Position function,
two Manual Control can be fitted.
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 configuration 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 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 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).
Control Modules
Manual Control option
O-ring seal
Manual control
Nut cover
Location for 2nd
Manual Control
Lock
45°
Unlock
On
Default location of
Manual Control
Off
Figure 1 Local Manual Control option
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