NOTE: The brown (capped off)
cable has to be exclusively
used in case of permanent
feeding burners (type B1).
KEY
L
Line
N
Neutral
IG
Main switch
TS
Safety stat
TC
Boiler stat
SA
Green voltage LED
PI
C.H. pump
B
Direct Feeding Burner (not supplied)
Permanent Feeding Burner (optional)
B1
Two stage permanent Feeding Burner (optional)
B2
TA
Room stat
OP Programmer's clock (optional)
NO TE:
- When a room stat (TA) is to be fitted remove the link between terminal 4 and 5 on the connector plug.
- To connect the programmer's clock (OP), remove the link between terminals 5 and 8.
Fig. 6
39