Systema EOLO BC RT - Page 35

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SYSTEMA EOLO RT rev. 09ENIT04052021
ELECTRICAL CONNECTION
Tab 4.1 SCP674V130A1 card connections legend (3 di 3)
CONNECTOR TERMINAL DESCRIPTION
CONNECTED
COMPONENT
J8A
FB1 Gas blower of premix burner L Vp
Gas blower of premix burner - Ground Vp
N Gas blower of premix burner N Vp
J8B
TR1
Ignitor connection
Tacc
TR2 Tacc
ION Tacc
J8C NC; C; NO Contacts connected in bridge —-
J8D
Solenoid gas valve connection (ground) EV
V1 Solenoid gas valve connection (L) EV
N Solenoid gas valve connection (N) EV
J8F
O
PWM signal for gas blower
Vp
V+ Vp
V- Vp
I Vp
J9A
O Signal lamp - unit ON Connector XS2-5
R Signal lamp - burner lockout Connector XS2-6
G Signal lamp - burner in operation Connector XS2-7
N Signal lamp - Neutral Connector XS2-3
J9B
T
Room thermostat contact
Connector XS2-1
A Connector XS2-2
R
Reset
Connector XS2-3
T Connector XS2-4
R
Reset on SLAVE (SCP674V124, SCP674V143, SCP674V202)
SLAVE (J1; K1)
T SLAVE (J1; K1)
J9C
1
Contacts for summer ventilation
Connector XS2-11
F Connector XS2-12
F
Bridge contact
—-
P —-
KEY --- Programming button
Pp (connected only during
board programming)