Riello TAU Unit 100, Руководство по установке и обслуживанию

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109
CONFIGURATION OF CASCADED THERMAL UNITS
4.3.12 Adjusting setpoint
Adjusting setpoint with sensor on primary circuit (SS)
Through setting the following parameters you can manage automatically decreasing/increasing the setpoint, if necessary, based
on the value detected by the primary circuit sensor (SS). The setpoint will be decreased/increased after the time set in Par. 81 has
elapsed.
Reference Menu:
M2 Cascaded module configuration menu
M3 Cascaded boiler configuration menu
Access type:
I Installer
O Manufacturer
Menu Par. No.
Nr. dis-
played
Display
Description Range
Default
setting
UM
Access
type
M2
79
Max. Setp.
Offset
Down
Defines the maximum decrease in the
cascade setpoint on the primary circuit.
It is based on the reading of the prima-
ry circuit sensor (SS).
0…40 2 °C I
80
Max. Setp.
Offset Up
Defines the maximum increase in the
cascade setpoint on the primary circuit.
It is based on the reading of the prima-
ry circuit sensor (SS).
0…40 5 °C I
81
Start Mod.
Delay Fact.
Defines the time in minutes from the
moment the demand is triggered until
the activation of the set-point increas-
es or decreases provided for by Par. 79
e 80.
0…60 60 Min. I
86 PID P
Defines the proportional term to
change the setpoint of the cascade
module.
0…1275 50 O
87 PID I
Defines the integral term to change the
setpoint of the cascade module.
0…1275 500 O
Adjusting setpoint with sensor on secondary circuit (SC)
Through setting the following parameters you can manage automatically decreasing/increasing the setpoint, if necessary, based
on the value detected by the secondary circuit sensor (SC). The setpoint will be decreased/increased after the time set in Par. 171 has
elapsed.
Menu Par. No.
Nr. dis-
played
Display
Description Range
Default
setting
UM
Access
type
M3
169
Max. Setp.
Offset
Down
Defines the maximum decrease in the
cascade setpoint on the primary circuit.
It is based on the reading of the sec-
ondary circuit sensor (SC).
0…40 2 °C I
170
Max. Setp.
Offset Up
Defines the maximum increase in the
cascade setpoint on the primary circuit.
It is based on the reading of the sec-
ondary circuit sensor (SC).
0…40 5 °C I
171
Start Mod.
Delay Fact.
Defines the time in minutes from the
moment the request is triggered until
the activation of the set-point increas-
es or decreases provided for by Par.169
e 170.
0…60 40 Min. I
176 PID P
Defines the proportional term to
change the set-point of the cascade
module based on the secondary cir-
cuit's temperature.
0…1275 25 O
177 PID I
Defines the integral term to change the
set-point of the cascade module based
on the secondary circuit's temperature.
0…1275 1000 O