Riello Steel Pro Power 114-2 P Installation, Technical Assistance Service And System Management Manual page 92

CASCADE CONNECTION
Nr. dis-
Par.
Menu played
No.
Display
Post-
Defines overrun time in seconds at the end of
M2 154 Pump
Period
tor (with cascade configuration) activate. If
the temperature of the primary sensor falls
Frost Pro- another 5 degrees below the value set by Par.
M2 155
tection 155, then a request to activate the cascade
is generated. When the temperature of the
by Par. 155 increased by 5 degrees, then the
Boiler Defines the manner with which the thermal
M3 73
Address
Max.
Defines the maximum decrease in the prima-
Setp.
M3 169 ry circuit's cascade set-point. Is based on the
Offset
Down
Max. Defines the maximum increase in the primary
M3 170 Setp. circuit's cascade set-point. Is based on the
Offset Up
Start
ment the request is triggered until the acti-
M3 171 Mod. De-
vation of the set-point increases or decreases
lay Fact.
Defines the proportional term to change the
M3 176 PID P set-point of the cascade module based on
Defines the integral term to change the set-
M3 177 PID I point of the cascade module based on the
Defines the speed (in °C/100 ms) with which
PID Slew creased in the event the secondary circuit's
M3 178
Rate Up set-point not reached (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
PID Slew creased in the event the primary circuit's set-
M3 179
Rate Dn point is exceeded (if the value is set to zero,
the change is controlled by the PI of Par. 176
Allow to set the values of Par. from 116 to 128
through some pre-set values which define
M4 97 Model
the configuration of the inlets and outlets of
Enables the control of the additional heating
Dep.
M2 205 Zone
Control
Description
the cascade heat demand.
Defines the temperature (detected by the
primary sensor) below which the thermal
module circulator and the system circula-
primary sensor reaches the value defined
request ceases and the cascade returns to
stand-by mode.
module is addressed.
secondary circuit's probe reading.
secondary circuit's probe reading.
Defines the time in minutes from the mo-
provided for by Par.169 e 170.
the secondary circuit's temperature.
secondary circuit's temperature.
the set-point of individual modules is in-
176 and 177 without restrictions).
the set-point of individual modules is de-
and 177 without restrictions).
the module.
zone managed by the thermal module.
0 = Disabled
1 = Enabled
Range
0...255
10...30
Managing,
Stand-alone,
Dependent
0...40
0...40
0...60
0...1275
0...1275
0...25.5
0...25.5
1...2/8...9
0...1
92
Factory Access
UM
setting type
60 Sec. I
15 °C I
Stand-
I
alone
2 °C I
5 °C I
40 Min. I
25 O
1000 O
1 O
1 O
I
0 U
Category
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
Cascade
General
General