80
ELECTRIC DIAGRAM
FOR BT 180 DSG 3V/K
N° 2097-3
rev: 04/04/2003
S1
- ON-0FF SWITCH
S2
- CONTROL BOX RESET
S8
- 1
st
- 2
nd
STAGE SWITCH
Y1
- 1
st
STAGE ELECTROVALVE
Y2
- 2
nd
STAGE ELECTROUALUE
F1
- THERMAL RELAY
F2
- PUMP THERMAL RELAY
K1
- FAN HOTOR CONTACTOR
K2
- PUMP MOTOR CONTACTOR
PA
- PRESSURE SWITCH
B1
- PHOTORESISTANCE
TS
- SAFETY THERMOSTAT
TC
- BOILER THERMOSTAT
A1
- CONTROL BOX
T2
- 2
nd
STAGE THERMOSTAT
TA
- IGNITION TRANSFORMER
Y10 - AIR SERVOMOTOR
H1
- OPERATION LIGHT
H2
- LOCK-OUT SIGNAL LAMP
MV - FAN MOTOR
MP - PUMP MOTOR