Unigas PBY1025 Manual Of Installation - Use - Maintenance page 85

PID parameters set and modifications (PArA):
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
Proportional band
erivative action
Integral action
Dead band (*)
Servocontrol
running time
Switch-on differential (*)
Switch-off differential 2° stage
(*)
Upper switch-off
differential
(*)
Switch-on differential on cooling
controller (*)
Switch-off differential 2° stage
on cooling controller (*)
Upper switch-off
differential on cooling controller
(*)
Delay modulation
T Outside temperature Curve
point 1 (*)
Boiler temperature Curve point 1
(*)
TT Outside temperature Curve
point 2 (*)
Boiler temperature Curve point 2
(*)
(*) Parameters affected by setting of decimal place (ConF > dISP parameter dECP)
Display Range
Pb1 1... 9999 digit
dt 0... 9999 sec.
rt 0... 9999 sec.
db 0... 999,9 digit
tt 10... 3000 sec.
HYS1 0,0... -1999 digit
HYS2 0,0 ... HYS3
HYS3 0,0... 9999 digit
HYS4 0,0... 9999 digit
HYS5 HYS6...0,0 digit
HYS6 0,0... -1999 digit
q 0,0... 999,9 digit
At1 -40 ...120 digit
Ht1 SPL...SPH
At2 -40 ...120 digit
Ht2 SPL...SPH
Factory
setting
Typical value for temperature
10
Typical value for temperature
80
Typical value for temperature
350
Typical value
1
Set servocontrol running time
15
Value under setpoint below which
the burner switches back on
-5
(1N-1P closes)
(enable only with parameter bin1 = 4)
3
Value over setpoint above which the burner
switches off (1N-1P opens)
5
(enable only with parameter CACt = 0)
5
(enable only with parameter CACt = 0 and parame-
5
(enable only with parameter CACt = 0)
5
0
First point of external temperature for climatic curve
-10
Set-point temperature for the external temperature
60
Second point of external temperature for climatic
20
Set-point temperature for the external temperature
50
5
Remarks
Т
Do not used
Do not used
ter bin1=0)
Do not used
Do not alter
1
curve
2