Riello Steel Pro Power 114-2 P Installation, Technical Assistance Service And System Management Manual page 91

Nr. dis-
Par.
Menu played
No.
Display
Power
M2 148
Mode
Max.
Defines the maximum decrease in the prima-
Setp.
M2 79 ry circuit's cascade set-point. Is based on the
Offset
Down
Max. Defines the maximum increase in the primary
M2 80 Setp. circuit's cascade set-point. Is based on the
Offset Up
Defines the time in minutes from the mo-
Start
ment the demand is triggered until the acti-
M2 81 Mod. De-
vation of the set-point increases or decreases
lay Fact.
It defines the minimum power for at least
Next
one of the modules in the cascade in order
Module
M2 82 for the next module to be switched on (if the
Start
other conditions linked to Par. 75 and 77 are
Rate
It defines the maximum power for all the
Next
modules in the cascade in order for the last
M2 83 Module
module on to be switched off (if the other
Stop Rate
conditions linked to Par. 76 and 78 are met).
Module
It defines the time interval (in days) after
M2 84 Rotation
Interval
First Establishes the number of the next module
M2 149 Module to be rotated (this value is automatically up-
to Start
Defines the proportional term to change the
M2 86 PID P
Defines the integral term to change the set-
M2 87 PID I
Defines the speed (in °C/100 ms) with which
the set-point of individual modules is in-
PID Slew creased in the event the primary circuit's
M2 150
Rate Up set-point is not achieved (if the value is set to
zero, the change is controlled by the PI of Par.
Defines the speed (in °C/100 ms) with which
the set-point of individual modules is de-
PID Slew creased in the event the primary circuit's
M2 151
Rate Dn set-point is exceeded (if the value is set to
zero, the change is controlled by the PI of Par.
PwrMode2 terms) against which the average power of all
M2 152
Min Power on modules in cascade operation mode must
Defines the extra power value (in percentage
PwrMode2 terms) compared to the average power of all
M2 153
Hysteresis on modules in cascade operation mode (Par.
Description
Defines the cascade operation mode.
primary circuit's probe reading.
primary circuit's probe reading.
provided for by Par. 79 e 80.
met).
which modules are rotated.
dated at each rotation).
setpoint of the cascade module.
point of the cascade module.
86 and 87 without restrictions).
86 and 87 without restrictions).
Defines the power value (in percentage
be compared (Par. 148 = 2).
148 = 2).
Factory
Range
0 Disabled 1
Min burners 2
Max burners
0...40
0...40
0...60
10...100
10...100
0...30
1..16
0...1275
0...1275
0...25.5
0...25.5
0...100
0...100
91
CASCADE CONNECTION
Access
UM
setting type
2 I
2 °C I
5 °C I
60 Min. I
80 % I
25 % I
1 Days I
1 I
50 O
500 O
1 O
1 O
20 % I
40 % I
Category
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade