Working Cycle - Joannes G35 gas Manual De Uso Y Mantenimiento

pag. 50
A
TC
PG
MB
PA
TR
V1º
TMF
max.
M
MT
min.
0
V2º
EC
T11 Opening time of the air shutter, from 0 to max.
TW The closing of the thermostatic line and of the PG
starts. The PA has to be on rest position. This is waiting
and self-test time and lasts 9 seconds.
T10 It begins with the starting of the motor and with the
pre-ventilation phase: it lasts 3 seconds and the air-
pressure switch PA has to give its consent.
This is pre-ventilation time, lasting at least 30 seconds.
T1
It ends when the transformer starts operating.
This is the time representing the pre-ignition phase.
T3
It ends with the opening of the gas valve. It lasts 3
seconds.
Signals during inlet
Signals during outlet
Start
A
Flame presence
B
Working
B-C
C Adjustment stop
TMF High/low flame thermostat
T10
T3
T2
TW T11 T1 T12
B
T4
This is safety time. Within the end the flame signal to
T2
electrode EC has to take place. It lasts 3 seconds.
T4 Interval between the opening of the gas valve V1 and
the opening of 2nd stage V2. It lasts 8 seconds.
T6 Time of air shutter closing and of programme resetting.
It lasts 12 seconds.
T12 Time when the air shutter positions on starting.
C-D Air shutter closing + post-ventilation
Thermostat/gas pressure switch line
TC-PG
Motor of burner
MB
Air pressure switch
PA
Ignition transformer
TR
V1°-V2° Gas valve 1st-2nd stage
EC Control electrode
MT Air servo control

WORKING CYCLE

C D
T6
KEY