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Instruction manual BFC 93
is
TERMINAL BLOCK CONNECTIONS:
Earth
N Neutral
L
1
Phase input of controller
L
2
Phase input of isolating transformer (primary side)
L
3
Phase output of isolating transformer (secondary side)
L
4
Phase input of program-controlled pump
L
5
Phase input of continuous pump
COMPONENTS:
A Controller
B Flame probe
C Hot surface igniter
D Gas control
E Burner earth connection
F Extra ON mode switch
G Continuous pump
H Program-controlled pump
J Extra error signal connection
K Isolating transformer
L Double-pole isolator
M Controller 0/I switch
NDisplay
OFan
P Temperature sensor (T2 - bottom of tank)
QDummy
R Temperature sensor (T1 - top of tank)
S Selection resistor
T Pressure switch
CONTROLLER CONNECTIONS:
J2 Power connection for controller
J19 Extra error signal connection
J20 Gas control connection
J21 Program-controlled pump connection
J24 Fan connection
J36 Controller display connection
JP2 Flame probe and hot surface igniter connection
JP3 Temperature sensor T2 connection
JP4 Dummy connection
JP5 Temperature sensor T1 connection
JP6 Selection resistor and pressure switch connection
JP8 Extra ON mode switch connection
F1 Fuse
F3 Fuse