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Display
Par.
Menu
visualis-
No.
ation
temperature measured by the primary
Hyst.
circuit's probe must go above the set-
M2
78
Up Stop
point in order for the subsequent module
Module
to be switched off after the time interval
Hyst.
temperature measured by the primary cir-
Down
cuit's probe must go below the set-point
M2
144
Quick
in order for the subsequent module to be
Start
started after the time interval set by Par.
temperature measured by the primary cir-
Hyst. Up
cuit's probe must go above the set-point
M2
145
Quick
in order for the subsequent module to be
Stop
switched off after the time interval set by
temperature measured by the primary
Hyst. Up
M2
146
circuit's probe must go above the set-
Stop All
point in order for all "On" modules to be
147 Number of
Defines the number of modules of which
M2
Units
Defines the cascade operation mode.
Power
M2
148
Mode
Max. Setp.
Defines the maximum decrease in the pri-
M2
79
Offset
mary circuit's cascade set-point. Is based
Down
on the primary circuit's probe reading.
Defines the maximum increase in the pri-
Max. Setp.
M2
80
mary circuit's cascade set-point. Is based
Offset Up
on the primary circuit's probe reading.
Start Mod.
moment the demand is triggered until the
M2
81
Delay
activation of the set-point increases or
Fact.
decreases provided for by Par. 79 e 80.
It defines the minimum power for at least
Next Mod-
one of the modules in the cascade in
M2
82
ule Start
order for the next module to be switched
Rate
on (if the other conditions linked to Par. 75
It defines the maximum power for all the
Next Mod-
modules in the cascade in order for the
M2
83
ule Stop
last module on to be switched off (if the
Rate
other conditions linked to Par. 76 and 78
Module
It defines the time interval (in days) after
M2
84
Rotation
Interval
First
Establishes the number of the next mod-
M2
149
Module to
ule to be rotated (this value is automatical-
Start
Defines the proportional term to change
M2
86
PID P
Defines the integral term to change the
M2
87
PID I
Defines the speed (in °C/100 ms) with
which the set-point of individual modules
PID Slew
M2
150
circuit's set-point is not achieved (if the
Rate Up
value is set to zero, the change is con-
trolled by the PI of Par. 86 and87 without
Defines the speed (in °C/100 ms) with
which the set-point of individual modules
is decreased in the event the primary
PID Slew
M2
151
circuit's set-point is exceeded (if the value
Rate Dn
is set to zero, the change is controlled by
the PI of Par. 86 and 87 without restric-
Description
Defines by how many degrees the
set by Par. 76.
Defines by how many degrees the
142 (quick-start mode).
Defines by how many degrees the
Par. 143 (quick stop mode).
Defines by how many degrees the
switched off at the same time.
the cascade consists.
0 = Disabled
1 = Min burners
2 = Max burners
Defines the time in minutes from the
and 77 are met).
are met).
which modules are rotated.
ly updated at each rotation).
the setpoint of the cascade module.
setpoint of the cascade module.
is increased in the event the primary
restrictions).
tions).
Default
Range
setting
0...40
4
0...40
20
0...40
6
0...40
8
1...8
8
0,1,2
2
0...40
2
0...40
5
0...60
60
10...100
80
10...100
25
0...30
1
1..16
1
0...1275
50
0...1275
500
0...25.5
1
0...25.5
1
Access
UM
Category
type
°C
I
Cascade
°C
I
Cascade
°C
I
Cascade
°C
I
Cascade
I
Cascade
I
Cascade
°C
I
Cascade
°C
I
Cascade
Min.
I
Cascade
%
I
Cascade
%
I
Cascade
Days
I
Cascade
I
Cascade
O
Cascade
O
Cascade
O
Cascade
O
Cascade
55
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