Unical BCM 2.0 - Page 2

2
1
General Information
2
Description
BCM is able to operate:
- as a signal boiler controller. This enables con-
trol of basic services of the heating system and
includes system safety devices
KEY
No. Description
A MANUAL request button
(Emergency activity) (*)
1
GREEN LED
OFF MANUAL request NOT active
ON MANUAL request active
B RELEASE button
2
RED LED
ON FAULT detected
FLASH. ANTIFREEZE protection activa-
tion
OFF Normal operation
3
GREEN LED
ON CH heating operation or antifreeze
protection active
FLASH. DHW request
operation
OFF Standby
4
YELLOW LED
ON BCM communication with local
and BCM remote controls (cas-
cade)
FLASH. BCM communication with local
HSCP or SHC controls
OFF No communication with controls
(manual A request)
(*) Active only if the user interface is faulty or
input 9 of Y2 (Cong) is not enabled.
LED o󰀨
- as a HCM (Heating Cascade Manager). This
enables control of the complex structure of sev-
eral heat generators.