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51
System Control - ACVMax: 660Y2800 • C
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CONFIGURATION OF CASCADE SYSTEMS - SOLO (2 PUMPS)
Cascade
Cascade Autodetection
Boiler Protection
P3
DHW
P4
84°C
61°C
1
2
CH
Target = 85°C
1x
Enter installer code if required,
refer to "Installer menu
structure" on page 6.
ACCESSING THE CASCADE AUTODETECTION PAGE
CASCADE START-UP PROCESS
Set-up conditions
•
Cascade electrical connection done (refer to “Cascade system connection (4-boiler Cascade)” on page
50).
•
Condensate trap full of water
•
External power supply open
•
Gas supply open
•
Hydraulic circuit(s) full of water
Procedure
1.
Power up all appliances using their ON/OFF master switch.
2.
Start Cascade autodetection from the Master appliance (refer to “Accessing the Cascade Autodetection
page” on page 51). The Master appliance will then become the electronic master of the system. It will
automatically recognize the number of appliances in the cascade.
Cascade Autodetect.
?
Cascade Autodetect.
Press OK button
to begin Cascade Autodetection,
any other button to cancel.
3.
Set the maximum appliance power as follows :
The master boiler will then calculate the total system capacity based on the defined appliance capacity.
4.
Set the system parameters on the Master appliance:
•
CH1 curve
•
CH2 curve
•
DHW setpoint
Follow-on tasks
None
Cascade Settings
?
Cascade Setting
Stage Delay
60 sec
Minimum Firing Rate
25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
CH Prop. Gain
7
Auto Rotation
Enabled
Maximum
Firing Rate
250 kW
0 kW
255 kW