A1
CONTROL BOX
B1
Flame sensor
BA
ACTIVE PROBE
BP
PRESSURE PROBE
BT
TEMPERATURE PROBE
BT1
WATER TEMPERATURE PROBE
BT2
EXTERNAL TEMPERATURE PROBE
F1
THERMAL RELAY
FU1÷4 FUSES
H0
EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY HEATING
ELEMENT OPERATION LAMP
H1
OPERATION INDICATOR LIGHT
H2
LOCK-OUT WARNING LIGHT
H7
FAN MOTOR THERMAL SWITCH RELAY LOCK-OUT LAMP
I1
RELAY-CONTROLLED INLET
I2
0/4 - 20 mA CONTROL INLET
I3
0 - 10V CONTROL INLET
I4
0/4 - 20 mA REMOTE SETPOINT
K1
FAN MOTOR CONTACTOR
K12
BURNER LOCK-OUT AUXILIARY RELAY
K16
FLAME PRESENCE RELAY
K26
BURNER OPERATION AUXILIARY RELAY
KD
“TRIANGLE CONTACTOR“
KL
LINE CONTACTOR
KT
TIMER
KY
STAR CONTACTOR
MV
FAN MOTOR
N1
”ELECTRONIC REGULATOR
PA
AIR PRESSURE SWITCH
Pm
MINIMUM PRESSURE SWITCH
PM
MAXIMUM PRESSURE SWITCH
Q1/2 DIFFERENTIAL CIRCUIT BREAKER
S1
START/STOP SWITCH
S2
RELEASE BUTTON
S24
SWITCH ON/OFF
SG1/2 MAIN DISCONNECTING SWITCH
TA
IGNITION TRANSFORMER
TC
BOILER THERMOSTAT
TS
SAFETY THERMOSTAT
X1
BURNER TERMINAL BOARD
Y8.1 GAS SERVOMOTOR 1
Y8.2 GAS SERVOMOTOR 2
Y10
AIR SERVOMOTOR
YP
MAIN SOLENOID VALVE
YPG SECONDARY GAS MAIN SOLENOID VALVE
YS/YS1... SAFETY SOLENOID VALVE
Wire series colour
GNYE GREEN / YELLOW
BU
BLUE
GY
GREY
BN
BROWN
BK
BLACK
BK*
BLACK CONNECTOR WITH OVERPRINT
** For calibration only
CAUTION / WARNINGS
For the dimensioning of sections S1, S2 and the dimensioning
of protection devices Q1, Q2, SG1, SG2, FV1, FV2 refer to the
chapter “ELECTRICAL CONNECTIONS”.
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0006160489_202211
ENGLISH
Summary of Contents for TBG 320SLX ME
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