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Building Technologies Division User Manual RWF50... CC1U7866en
Infrastructure & Cities Sector 6 Operation 25.07.2014
6.4 Manual control, modulating burner
Note!
Manual control can only be activated if the thermostat function energized relay K1.
If the thermostat function deenergized relay K1 during manual control, manual
control is ended.
*
Press
ESC
for 5 seconds
HAnd appears on the lower display, alternating with the value for manual control.
*
Open and close fuel-air ratio control by pressing and
Relay K2 opens the controlling element as long as
is kept depressed.
Relay K3 closes the controlling element as long as
is kept depressed.
The 2 yellow arrows indicate when relay K2 opens or relay K3 closes the controlling
element.
*
Change angular positioning by pressing
or
*
Adopt flashing new angular positioning by pressing
Enter
Per default, the analog output delivers the current angular positioning.
*
Return to automatic operation by keeping
ESC
depressed for 5 seconds
Note!
When activating manual control, angular positioning is set to 0 until another entry is
made.
RWF50.2
3-position controller
RWF50.3
Modulating controller
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