baltur BTG 3,6P Instruction Manual page 61

A1 CONTROL BOX
A3 VALVE SEAL CONTROL
B1 Flame sensor
BT1 WATER TEMPERATURE PROBE
H0 EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY HEATING
ELEMENT OPERATION LAMP
H1 OPERATION INDICATOR LIGHT
H2 LOCK-OUT WARNING LIGHT
H18 "2ND STAGE OPERATION LIGHT"
MV FAN MOTOR
PA AIR PRESSURE SWITCH
P1 HOUR METER
PG GAS PRESSURE SWITCH
SG1/2 MAIN DISCONNECTING SWITCH
TA IGNITION TRANSFORMER
TC BOILER THERMOSTAT
TS SAFETY THERMOSTAT
T2 2ND STAGE THERMOSTAT
Y10 AIR SERVOMOTOR
Y1/Y2 1st / 2nd STAGE SOLENOID VALVES
Wire series colour
GNYE GREEN / YELLOW
BU BLUE
GY GREY
BN BROWN
BK BLACK
BK* BLACK CONNECTOR WITH OVERPRINT
Ground
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