4
RWF5 is preset good for 90% of applications. However, you can set or edit parameters as follow:
Set-point: set or modification:
When the burner is in stand-by, (safety loop open, that is terminals 3-4/T1-T2 on the 7 pole plug open) push the Enter button: on
the lower display (green) Opr appears; push Enter again and in the same display SP1 appears. Push Enter again and the lower
display (green SP1) flashes. Using the up and down arrows change the set-point on the upper display (red).Push Enter to
confirm and push ESC more times to get the home position.
PID parameters set and modifications (see table below):
Push Enter button, on the green display Opr appears; using the down arrow, scroll until group PArA is reached and
push Enter.
on the green display Pb1 e appears and on the red one the set parameter.
Push is sequence the down or up arrow the menu is scrolled.
Push Enter to select and the arrows to choose the desired value. Enter to confirm.
Parameter Display Range
Factory
setting
Remarks
Proportional band PB.1 1… 9999 digit 10 Typical value for temperature
Derivative action dt 0… 9999 sec. 80 Typical value for temperature
Integral action rt 0… 9999 sec. 350 Typical value for temperature
Dead band (*) db 0… 999,9 digit 1 Typical value
Servocontrol
running time
tt 10… 3000 sec. 15 Set servocontrol running time
Switch-on differential
(*)
HYS1 0,0… -1999 digit -5
Value under setpoint below which
the burner switches back on
(1N-1P closes)
Switch-off differential 2°
stage (*)
HYS2 0,0 … HYS3 3
(enable only with parameter bin1 = 4)
Upper switch-off
differential (*)
HYS3 0,0… 9999 digit 5
Value over setpoint above which the burner
switches off (1N-1P opens)
Switch-on differential on
cooling controller (*)
HYS4 0,0… 9999 digit 5
Do not used
(enable only with parameter CACt = 0)
Switch-off differential 2°
stage on cooling controller
(*)
HYS5 HYS6…0,0 digit 5
Do not used
(enable only with parameters CACt = 0
and bin1 = 4)
Upper switch-off
differential on cooling
controller (*)
HYS6 0,0… -1999 digit 5
Do not used
(enable only with parameter CACt = 0)
Delay modulation q 0,0… 999,9 digit 0 Do not alter
(*)Parameters affected by setting of decimal place (ConF > dISP parameter dECP)
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