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Installation and operating instructions: Wilo-SC-Fire Diesel A2P
61
22
COM 0
GND
22
COM 0
GND
X601
Used for:
X601
Used for:
23
Digital In 1
Pressure switch no. 2
23
Digital In 1
Main water tank -
Malfunction low level
24
COM 1
GND
24
COM 1
GND
X602
Used for:
X602
Used for:
25
Digital In 2
Malfunction of pressure
switch no. 1
25
Digital In 2
Diesel motor pinion
engaged:
GND - Pinion not engaged
12 V - Pinion engaged
8 V - Wire cut or HS fuse
26
COM 2
GND
26
COM 2
GND
X603
Used for:
X603
Used for:
27
Digital In 3
Malfunction of pressure
switch no. 2
27
Digital In 3
Malfunction - Rupture of the
diesel belt (option, can be
activated or not in the
menu)
28
COM 3
GND
28
COM 3
GND
X604
Used for:
X604
Used for:
11
Digital In 4
Fuel - Malfunction low
level
11
Digital In 4
Cooling liquid - Malfunction
low level
12
Digital In 5
Pre-heating - Malfunction
thermostat
12
Digital In 5
Cooling liquid - Malfunction
clogged filter
Pressure sensor differential
13
Digital In 6
Oil motor - Malfunction
weak pressure
13
Digital In 6
Aeration vents - Malfunction
of outlet opening
14
Digital In 7
Cooling motor -
Malfunction excessive
temp
14
Digital In 7
Technical room temperature
- Malfunction low temp
15
COM 4-7
24 V DC or 12 V DC
(depends on the type of
battery)
15
COM 4-7
GND
X605
Used for:
X605
Used for:
16
Digital In 8
Key switch no. 1 in
Manual position
16
Digital In 8
Battery 1 voltage
(generates the error code
4.3)
17
Digital In 9
Key switch no. 1 in Auto
position
17
Digital In 9
Battery 2 voltage
(generates the error code
4.4)
18
Digital In 10
Key switch no. 2 in
Manual position
18
Digital In 10
Bypass valve of the cooling
circuit filter - open position
19
Digital In 11
Key switch no. 2 in Auto
position
19
Digital In 11
Pressure switch of the
“pump in demand” -
monitors to ensure the
pump runs
20
COM 8-11
GND
20
COM 8-11
GND
X700
Used for:
X700
Used for:
41
Relay 0 NO
Motor running
41
Relay 0 NO
Automatic stop on battery 1
(contact available)
42
Relay 0 NC
42
Relay 0 NC
43
Relay 0 COM
24 V DC
43
Relay 0 COM
24 V DC
44
Relay 1 NO
Motor stopped
44
Relay 1 NO
Automatic stop on battery 2