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SIGNALLING DURING OPERATION
The equipment is capable of indicating the operation status in various operating conditions by means of a multi-colour LED positioned near the
lock out signal.
A key of the colours is shown below:
Condition
Colour sequence
Colours
Good operating mode with good flame signal
Green
Ignition phase
Orange
Burner shut down condition
Red
Operating mode with scarce flame signal
Intermittent green
Low/high voltage signal
Alternating red and
orange
Ignition mode with scarce flame signal
Alternating green and
orange
Ignition status with good flame signal
Flashing orange
Diagnostics of the lock-out mode or parasitic flame
Intermittent red
On request, it is possible to vary the operating mode signalling of the multi-colour LED.
RESETTING THE EQUIPMENT
Non-volatile lock-out (manual reset)
When the equipment goes into a non-volatile lock-out condition, to reset the system it is necessary to hold down the reset button until the lock-out
signal switches off (< 5 seconds).
Volatile lock-out (electric reset)
The equipment can be reset from a volatile lock out by interrupting and then restoring the power supply. The system cannot be reset by switching
off the heat request device.
CONNECTION DIAGRAM
J3
16 17 18 19 20 21
EV1
J5
J4
ACC
ION
W
8
9
10
FD
B
C
1
2
3
4
5
6 7
J1
T
RE
SB
N L
F1
J2
11 12 13 14 15
V
RPM
PA
schema_coll_TGRD
T
V
PA
A
EV1
ION
EV2
SB
TP
TSP
TSP
TS
TP
TS
1s
1s
diag
r_ciclo_T
GRD
EVP Pilot valve
FR Photoresistor
FD Photodiode
ION Ionisation electrode
T
Ambient thermostat
RISC Fuel pre-heater
TC Pre-heater thermostat
RPM Revolutions per minute
PA Air pressure switch
V
Burner motor
TR Ignition transformer
RE Reset
EV1 Main valve
EV2 Second stage valve
SB Lock-out warning
TS Safety time
TP Preventilation time
TPS Spark ignition time
Tj
Pre-ignition time
ENGLISH
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Содержание BTG 12
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