Setting Parameters Of The Cascade Systems; Parameters Specific To Cascade Systems - Riello Condexa PRO NA 75P Installation, Operation And Service Manual

SETTING PARAMETERS OF THE CASCADE SYSTEMS

6 SETTING PARAMETERS OF THE CASCADE SYSTEMS

6.1 Parameters specific to cascade systems

Parameters are listed base on the reference menu.
Reference Menu
M1 Boiler parameters menu
M2 System cascade settings menu
M3 Boiler cascade settings menu
M4 Appliance configuration menu
Nr. dis-
Par.
Menu played
No.
Display
Permit on when communication between Managing and
M2 72 Emergency
Mode Par. 72 is set to "Yes", the cascade is initiated, work-
Emergency
M2 74
Set-point
Delay Per
Defines the stand-by time in seconds to restart the
M2 75 Start Next
Mod.
Delay Per
Defines the stand-by time in seconds to switch off
M2 76 Stop Next
Mod.
Delay
Defines the stand-by time in seconds to restart the
M2 142 Quick Start
Next
Delay
Defines the stand-by time in seconds to switch off
M2 143 Quick Stop
Next
Defines how many degrees the temperature mea-
Hyst.
sured by the primary circuit's sensor must fall below
M2 77 Down Start
the set-point in order for the subsequent boiler to
Module
Hyst. Up
M2 78 Stop Mod-
ule
Defines how many degrees the temperature mea-
Hyst. sured by the primary circuit's sensor must go below
M2 144 Down
Quick Start
Defines how many degrees the temperature mea-
sured by the primary circuit's sensor must go above
Hyst. Up
M2 145 the set-point in order for the subsequent boiler to
Quick Stop
be switched off after the time interval set by Par. 143
Defines how many degrees the temperature mea-
Hyst. Up sured by the primary circuit's sensor must go above
M2 146
Stop All
Number of Defines the number of boilers of which the cascade
M2 147
Units
Power
M2 148
Mode
Max. Setp. Defines the maximum decrease in the primary cir-
M2 79 Offset cuit's cascade set-point. It is based on the primary
Down
Description
Activates the emergency mode. This mode comes
the primary circuit's sensor is lost. In this event, if
ing to the fixed set-point determined by Par. 74.
Set-point active in emergency mode.
subsequent cascade boiler in normal start mode.
the last cascade boiler on in normal Off mode.
next cascade boiler in quick start mode.
the last cascade boiler on in Quick Stop mode.
be started after the time interval set by Par. 75.
Defines by how many degrees the temperature
measured by the primary circuit's sensor must go
above the set-point in order for the subsequent
module to be switched off after the time interval
set by Par. 76.
the set-point in order for the subsequent boiler
to be started after the time interval set by Par. 142
(quick-start mode).
(quick stop mode).
the set-point in order for all "On" sensor to be
switched off at the same time.
system consists of.
Defines the cascade operation mode.
circuit's sensor reading.
Access type
U End user
I Installer
Range
Yes/No
68 - 194
(20 - 90)
5 - 255
5 - 255
5 - 255
5 - 255
0 - 72
(0 - 40)
0 - 72
(0 - 40)
0 - 72
(0 - 40)
0 - 72
(0 - 40)
0 - 72
(0 - 40)
1 - 16
0 Disabled
1 Min burners
2 Max burners
0 - 72
(0 - 40)
94
Factory Access
UM Category
setting type
Yes U Cascade
°F
158 (70) I Cascade
(°C)
120 Sec. I Cascade
30 Sec. I Cascade
60 Sec. I Cascade
15 Sec. I Cascade
°F
9 (5) I Cascade
(°C)
°F
7 (4) I Cascade
(°C)
°F
36 (20) I Cascade
(°C)
°F
11 (6) I Cascade
(°C)
°F
14 (8) I Cascade
(°C)
°F
14 (8) I Cascade
(°C)
2 I Cascade
°F
4 (2) I Cascade
(°C)