C.I.B. UNIGAS - M039134CD
11
Electrical connections
ATTENTION: PLEASE READ CAREFULLY THE “WARNINGS” CHAPTER, AT THE BEGINNIG OF THIS MANUAL.
Identification of linking connectors
Make the electric connections following the diagrams below.
HIGH/LOW flame connector
(CONN-TAB - Fig. 20) - mod. LO400
Fig. 17
Burner power supply connector
(CONN-LINEA - Fig. 19)
Fig. 18
IMPORTANT: before operating the burner, be sure all connectors are linked as indicated in the diagrams.
WARNING: the burner is fitted with a bridge between terminals T6 and T8 on CN2-TAB connector (external side link,
male connector); remove this bridge before thermostat connection.
Fig. 19:
Single stage burners
Fig. 20:
High - Low flame burners
Key
C1-C2
Time counter
CONN-LINEAConnectors on electrical board
CONN-TABConnectors on electrical board
F1-F3
Fuses
IL
Line switch for burner’s auxiliaries
IM
Fan motor line switch
L
Phase
LAF
Burner in high flame signalling lamp (high-low flame and progressive
versions only)
LB
Burner lockout signalling lamp
LBF
Burner in low flame signalling lamp (high-low flame and progressive
versions only)
N
Neutral
ST
Thermostats or pressure switches group
TAB
High-Low flame thermostat
TS
Boiler safety thermostat
