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caldaie
f) MULTILEAD DIAGRAM C.S.I.
NOTE: L-N POLARIZATION IS COMPULSORY
CM1 ON-OFF TIMER SELECTION JUMPER
CM2 MTN-LPG SELECTION JUMPER
E.A./R. IGNITION/DETECTION ELECTRODE
FA1 GROUDING FASTON
FL DHW FLOW METER
FUSE1 2 A F FUSE
IC21 CONTROL BOARD
LD1 LED RED
LD2 LED GREEN
LD3 LED YELLOW
M… CONNECTORS
ME EXTERNAL TERMINAL BOARD
MOD MODULATOR
OPE OPERATOR
P1 SAN. DHW TEMPERATURE SELECTION POTENTIOMETER
P2 SELET. CH-DHW-RESET /OFF SELECTOR
P3 RISC. CH TEMPERATURE SELECTION POTENTIOMETER
P4 CH MINIMUM POTENTIOMETER
P PUMP
PA WATER PRESSURE SWITCH
P.F. FUMES THERMOSTAT
RL1 IGNITION ENABLING RELAY
RL4 PUMP RELAY
RL5 FAN CONTROL RELAY
S.R. (NTC) PRIMARY TEMPERATURE SENSOR
S.S. (NTC) DHW TEMPERATURE SENSOR
T.A. ROOM THERMOSTAT
T.L. LIMIT THERMOSTAT
TR2 TRANSFORMER
VFAN
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