Unical BCM 2.0 - Page 5

5
EXT SENSOR/
SETPOINT
EMERGENCY
Ext sensor Setpoint
3
Application
REMOTE CONTROL
• eBUS communication interface for HCM at a
higher level
• Modbus communication interface to integrate
into an automation system in the building.
• Voltage interface input with commercial heating
controller (0 - 10 V).
• Relay contact output to indicate a boiler alarm.
• ON/OFF input to reset alarm
CASCADE MANAGER
• eBUS communication interface with SHC BMM
modules
• Cascade management with maximum 8 boilers
• Global return temperature detection
• Global ow temperature detection - limit tem-
perature - di󰀨erential temperature.
• Six ON/OFF inputs for global protection sen-
sors:
- FL minimum water ow
- PG minimum gas pressure
- DK minimum water pressure
- PF smoke 1 obstruction
- PF smoke 2 obstruction
- SL water level sensor of the siphon
• 0-10 v CPM voltage output for modulating con-
trol of the manifold pump.
• TA CONFIG. ON/OFF enabling input for heat
generator.
• Relay output for xed speed pump or to indicate
the status of the boiler (request or standby)
DHW MANAGEMENT
• DHW storage tank temperature sensor
• Output relay for storage tank loading pump
CH MANAGEMENT
• ON/OFF input for CH request
• Relay output for direct ow
MANUAL EMERGENCY REQUEST for SET
POINT temperature, by inserting a resistance at
the indicated value.
After setting parameter 799 (Analogue Input Func-
tion) to 0.