Beckett RWF40 Hints Manual - Manual (Page 6)

4/16 CC1B-Hints-en Preliminary 04.02.2003 HVAC Products
2. Hints
2.3 How to adjust parameters
RWF40 user manual Section 6.3
Shown at the right is the basic display.
The current configuration of your specific
controller will determine which levels you will be
allowed to access.
C112 must be xxx1 or xxx0 to access the parameter
level.
The C112 locking code can only be adjusted by the manufacturer.
From the basic display, you may skip the user level, to reach the
parameter level.
Press
and hold, for 3 seconds, and release.
The actual value display, (
0 )
shows the current parameter value.
The setpoint display, (
AL )
shows the parameter item you are adjusting.
Parameter level items summary:
AL A larm L imit value for comparator
HYSt Switching differential, Hyst eresis for limit comparator
Pb.1 P roportional b and 1
dt d erivative t ime
rt Integ r al action t ime
db * d ead b and, contact spacing
tt * Ac t uator running t ime
HYS1 Switch-on threshold, Hyst eresis 1 , 2-stage burner
HYS2 Switch-off threshold, Hyst eresis 2 , 2-stage burner
HYS3 Switch-off threshold, Hyst eresis 3 , upper
q Response threshold
H H eating curve slope
P P arallel displacement
* Items are only displayed when controller
is configured for a 3-position output.
Example Adjust the value for parameter AL.
If no keys are pressed for 30 seconds, at anytime, the controller will
automatically return to the basic display.
The current value of AL, (
0 )
is shown in the actual value display.
The current parameter item (
AL )
is shown in the setpoint display.
The display is steady, (nothing is flashing)
and the value for AL can now be adjusted.
You can decrease
You can increase
the value by the value by
pressing pressing
and releasing it. and releasing it.
You can accept
Or, you can
the change by advance to the
waiting 2 seconds. Next parameter
by pressing
once and
The red LED’s will releasing it.
blink once, and
become the new
HYSt can be
value. adjusted the
same way you
just did AL.
Your options at this point are:
Press
and release , to immediately return to the basic display.
Press
and release it, to advance down to Pb.1,
(the next parameter).
… after the last parameter item P, press
and release it,
to advance down to SP1, (the 1 st user item).
… after the last user item, the menu cycles back to the 1
st user item.
Or simply wait 30 seconds and the controller will automatically return to
the basic display.