Setpoints On Touch Screen; Burners Cascade With Touchscreen And Building Management System (Bms) - Bosch SSB1000 SA Manual

2 . 2 . 2

Setpoints on touch screen

The following table describes the setpoints that are shown on ver 2.d or higher:
Cascade screen – System setpoint
CH mode
Cascade system supply setpoint
No demand CH Mode X setpoint
Frost CH Mode X setpoint
0 Parameter CH setpoint
1 Calculated outdoor setpoint
2 Calculated outdoor setpoint
3 Calculated outdoor setpoint
4 0-10V input setpoint
Emergency
See above
Cascade
Emergency
See above
Boiler
The following table describes how the setpoint is limited in a cascade system:
E2_Ch_Max_Setpoint
Controller maximum setpoint =
Controller minimum setpoint =
E2_Ch_Min_Setpoint
2 .3

2 Burners Cascade with Touchscreen and Building Management System (BMS)

BMS bus RS485
RS232
SSB
STAND-ALONE BOILER (Burners Cascade) - SYSTEM ARCHITECTURE | 7
Boiler screen – Boiler Setpoint Cascade
boiler supply setpoint
Frost Protection Setpoint
Frost Protection Setpoint
Cascade system supply setpoint
increase calculated by the boiler cascade
controller
Cascade System Emergency Setpoint
Boiler Emergency Setpoint
90°C / 194°F
90°C / 194°F
CH Control range
30°C / 86°F
20°C / 68°F
Single boiler containing up to 2 modules/burners
Touch Screen
Module screen – Module Setpoint
Burner supply setpoint
Cascade boiler supply setpoint
+
increase calculated by the burner/module
Cascade boiler supply setpoint
increase calculated by the burner/module
Boiler Emergency Setpoint
= Absolute maximum setpoint
E2_CH_Reset_Curve_Boiler_Maximum
E2_CH_Reset_Curve_Boiler_Minimum
= Absolute minimum setpoint
Module / burner 1
Module / burner 2
Frost Protection setpoint
Frost Protection setpoint
+
cascade controller
+
cascade controller
Cascade bus
6720892984 (2019/02) US