Unical MODULEX EXT 100, Installation And Servicing Instructions

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48
Instructions for the installer
The BCM It avoids system shutdown in case the main
boiler plant’s system E8 5064 management is out of
use.
A
YELLOW LED = Blinking
(communication between BMM and BCM) OK
GREEN LED = ON (Active Pump)
RED LED = ON (Failure code detected)
C In position I the plant will operate when
requested at “CONSTANT SETPOINT”: 70°C –
Max heat output 50%
B Enables burner reset in case of lock-out
F Only for MODULEX 350 Warning lamp of
the thermostatic lockout from TLG
I Only for MODULEX 350
TLG General Limit Thermostat: when it acts,
it cuts the power supply to the boiler, the
warning lamp E lights. To reset, remove the
cap and push the reset button.
Note: The switches are positioned under
the front panel.
Note: The emergency function enables
the boiler’s burners to fire only at 50% and
at 50°C in system return. All the system’s
heating loads, including the header
pump, must be controlled manually.
Condensate level sensor position
D
Idrometer (Optional)
E Control panel E8
G Fuse: 1 = 6.3 A 2 = 10 A
H Main Switch
L
Change-over Series/Parallel
0 =
Emergency is active or the control is
managed by PLC or BMS
I =
Series connection (the cascade is
managed by the BCM)
II = Parallel connection (condition of
forniture).
3.28 - EMERGENCY FUNCTIONS