Beckett RWF40 Hints Manual - Manual (Page 7)

5/16 CC1B-Hints-en Preliminary 04.02.2003 HVAC Products
2. Hints
2.4 How to change a setpoint
(SP1, SP2, or dSP)
RWF40 user manual Section 6.2
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 xxx2, 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:
* items are only displayed when
controller is configured for 3-pos 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
You can
decrease increase
the value the value
by pressing by pressing
and and
releasing it. releasing it.
You can
Or, you can
accept the advance to
change by the next
waiting 2 parameter
seconds. by pressing
once
The red and releasing it.
LED’s will
blink once, HYSt can be
and become adjusted the
the new same way you
value. 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.
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, HYS teresis 1 , 2-stage burner
HYS2 Switch-off threshold, HYS teresis 2 , 2-stage burner
HYS3 Switch-off threshold, HYS teresis 3 , upper
q Response threshold
H H eating curve slope
P P arallel displacement