andrews R18 Series Technical Documentation Manual page 19

Fig. 12 Heating curve slope
* * * * HYS1+ + + + is the switch-on point for the burner, and * * * * HYS3+ + + + is the
switch-off point. As already described, they act with the set shift
relative to the weather-controlled setpoint.
Process data
Parameter
Setpoint 1
1
Setpoint 2 (option)
1
Digital setpoint shift (option)
Outside temperature (option)
Predefinition of external setpoint
Parameter level
Parameter
Limit value of limit comparator
Switching differential for limit comparator
Proportional band
1
Derivative time
Integral action time
Contact spacing
1
Actuator running time
Switch-on threshold burner/stage II
Switch-off level stage II
1
Upper switch-off threshold
1
Response threshold
Heating curve slope
Parallel displacement
1
18IP22B
Display
SP1
SP2
dSP
1
tA
1
SP.E
1
Display
AL -1999...+9999 digit
1
HYSt
1
Pb.1
dt
rt
db
tt
H Y S 1
1
H Y S 2
H Y S 3
q
H
P
Value range Factory setting
SPL-SPH
SPL-SPH
SPL-SPH
*C111 Inputs+
SPL-SPH
Value range Factory setting
0
0...999,9 digit 1
0,1...999,9 digit 10
0...9999 s 80
0...9999 s 350
0,0...999,9 digit 1
10...3000 s 15 s
0,0...-199,9 digit -5
0,0... HYS3 digit 3
0,0...999,9 digit 5
0,0...999,9 0
0,0...4,0 2
-90...+90 0
0
0
0
-
-
11