Page 90 of 117 pages
11.8 The GEN-PROTEC electronic board
The water level control system consists of two electrodes connected to an
electronic board, which commands the operation of the water pump and servo
solenoid valve and switches off the heating current in case of lack of water or low
water level.
The electronic board G-PROTEC -V1 receives electric signals from two electrodes
of different lengths, introduced in the pressure vessel through two openings
located on top of the vessel.
The short electrode determines the water level in the boiler and the long electrode
determines the minimum level, necessary to ensure a safe operation of the
heaters.
The steam output pressure is regulated by the pressure switch, connected to the
G-PROTEC-V
1
electronic board, which switches the heating currents of the
generator.
Refer below to layout and connection diagram of the electronic board
G-PROTEC-V1(only the input and output connections relevant for this system, are
configured in the drawing).
L
N
N
L
5V
LED8
24V
JP2
HEATER
1
2
3
A
-
+
P2
WATER PUMP
GEN.PRO BOARD
Title
Size
Document Number
LED5
H.ELECTROD
24V
H.C
GND
SW1
WATER PUMP FLOAT
1
2
PUMP
LED2
3-30
VDC
SSR
SSR1
3
4
1
2
+
-
AC IN
AC OUT
LED7
GEN.PRO
HEATER
JP1
INPUT
1
2
3
4
5
6
LED3
JP4
PUMP
1
2
3
LED1
S?
PRESSTAT
CB1
6A
1
2
3-30
VDC
SSR
SSR1
3
4
1
2
+
-
AC IN
AC OUT
S?
PRESSTAT
LED6
L.ELECTROD
JP5 SUPPLY
1
2
LED4
Содержание 2301006
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