78
15
13
1
3
5
8
9
10
11
12
14
6
6
10
X25
X4
16
17
No communication with
“Logical Remote Control”
blinking red led
Green led off without
power supply
Blinking red air pressure switch fault led
Insufficient water pressure
blinking red led (*)
Heating probe fault blinking red led (SM)
System safety valve triggered
blinking red led (*)
Red ignition lock led:
turn the CR/OFF/INV/RELEASE
selector to the release ( ) position
to restore operations
Safety/exhaust thermostat triggered blinking
red led. Turn the CR/OFF/INV/RELEASE
selector to the release ( ) position
to restore operations
(*) If all
0.5 to 2.5 bar
leds are off, check water pressure
transducer connections.
WARNING: the operation of plants with open vessels is
guaranteed only for static pressures above 0.7 bar.
Fig. 14
Flame detection circuit fault blinking red led
Blinking red fan fault led. 30 minutes after the fan turns off, the board attempts
to restart it. To identify where the fault occurred in sequence/cascade installations,
turn the CR/OFF/INV/RELEASE selector on each module to the (
) position
and check where the red fault led blinks.
KEY
1 1 Ignition grounding electrode faston
3 Fuse (1,6 AT)
5 “ANN. RIT.” connector
6 “POT. ACC.” trimmer
8 Hot water potentiometer
9 Detection electrode faston
10 “POT. RISC.” trimmer
11 Heat potentiometer
12 CR/OFF/INV/RELEASE selector
13 DIP SWITCH
14 “Modureg Sel.” connector
15 Albatros connector
16 X25 connector
17 X4 connector
NOTE:
To turn on adjustment trimmers (6) and
(10), pull out the heat potentiometer
knob.
Fig. 15
Summary of Contents for DEWY EQUIPE 120 BOX
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