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Page. 23 of 73
Training manual :PIGMA Gal Evo
3.4
“WATER FLOW CHECK”
Check
When
What happens
Gradient Tman > 7°C/sec
(checked every 100ms)
Check always with the
flame on, except during
the first 4 seconds after
flame detection.
1. Immediate safety shutdown
1 P1
:
-
10sec of post-circulation
-
10 sec of post-ventilation
The boiler restarts after 10sec.
2. If the error occurs other 2 times within the
following 4 minutes it will be shutdown
1 03
:
-
20sec of post ventilation
- 1min of post circulation
.
Gradient Tman > 20°C/sec
or
Gradient Trit > 20°C/sec
(checked every 100ms)
Check always with the
flame on, and up to 7 sec
after each turn off for
temperature set or safety
shutdown.
1. Shutdown
1 04
:
-
20sec of post ventilation
- 1min of post-circulation
.
Tman
– Trit > 55°C
Check always with the
flame on, and up to 7 sec
after each turn off for
temperature set or safety
shutdown.
1. Immediate safety shutdown
1 P2
:
-
10sec of post-circulation;
- 10sec of post ventilation
.
After 10sec the boiler restarts.
2.
If within 4 minutes from the first safety
shutdown the defect occurs again there will be
a safety shutdown
1 P2
:
-
10sec of post-circulation;
- 10sec of post ventilation.
After 10sec the boiler restarts but the timer is
zeroed.
3.
If within 4 minutes from the first safety
shutdown the defect occurs again it will be
shutdown
1 05
:
-
20sec of post ventilation
- 1min of post circulation
.
Trit > Tman + 10°C
Check always with the
flame on.
1. If the defect occurs for 20 continuous seconds
there will be a safety shutdown
1 P3
:
-
10sec of post-circulation;
- 10sec of post ventilation
.
After 10sec the boiler restarts.
2. If the defect occurs for 20 continuous seconds
another 2 times within 4 minutes it will
shutdown
1 06
:
-
20sec of post ventilation;
- 1min of post circulation
.
Trit > Tman + 30°C
Check always with the
flame on.
1.
Shutdown
1 07
:
20sec of post ventilation;
- 1min of post circulation
“