baltur BT 250 DSG 4T Manual User Instructions page 49

ABBREVIATION
A1 EQUIPMENT
B1 PHOTORESISTOR
F1 THERMAL RELAY
FU1 FUSES
H0 EXTERNAL SHUT-DOWN
WARNING LIGHT
H1 OPERATION INDICATOR LIGHT
H17 VENTILATOR LAMP
H18 2 STAGE OPERATION LIGHT
ND
H19 2 STAGE OPERATION LIGHT
ST
H2 LOCK INDICATOR LIGHT
H23 TRANSFORMER LAMP
K1 MOTOR CONTACTOR
KE EXTERNAL CONTACTOR
MV FAN MOTOR
P1 HOUR METER
PS SAFETY PRESSURE SWITCH
S1 START/STOP SWITCH
S2 RELEASE BUTTON
S8 1 /- 2 STAGE SWITCH
ST ND
SG MAIN SWITCH
T2 2 STAGE THERMOSTAT
ND
TA IGNITION TRANSFORMER
TC BOILER THERMOSTAT
TS SAFETY THERMOSTAT
X1 BURNER TERMINAL
X1B/S POWER SUPPLY CONNECTOR
X2B/S 2 STAGE CONNECTOR
ND
X18 SYNOPTIC CONNECTOR
Y1 1 STAGE SOLENOID VALVE
ST
Y2 2 STAGE SOLENOID VALVE
ND
YSM SAFETY SOLENOID VALVE
YSR SAFETY SOLENOID VALVE
Y10 AIR SERVOMOTOR
Z1 FILTER
EN
DIN / IEC
23 / 24
0006160029_201305
GNYE GREEN / YELLOW
BU BLUE
BN BROWN
BK BLACK
BK* BLACK CONNECTOR WITH OVERPRINT EN A1
CONTROL BOX B1
EN