Carel gaSteam UG045 - Page 109

1Z
2Z
3Z
4Z
5Z
+
T
ACH
PWM
-
1T
2T
3T
4T
5T
+
T
ACH
PWM
-
NTC PRERISCALD.
water temp. NTC
M2
M9
M8
M1 M5
M6
J14
J14
J6L
J6C
J7
J5
J22
J11
J1
J2
J8
J15
M12
J17C
J17L
J3
M3
J18
J4
J20
J24
J19J23
J21
J16
1
2
3
4
5
6
7
8
G
G0
G0
G
9U
10U
RELAY BACKUP / ROTATION
+12V
8S
9S
10S
11S
12S
+12Vdc
12T
13T
5S
6S
1S
2S
3S
4S
J1
1Z
2Z
3Z
4Z
5Z
J8
J15
J4
J2
1T
2T
3T
4T
5T
P
P
6T
7T
8T
9T
6Z
7Z
8Z
9Z
cPHC
STATUS RELAY
ALARM RELAY
PGD
J11
TO CLIP 5Z - 5T
SHIELD - SCHERMO
SHIELD - SCHERMO
backup
1A
TO GAS VALVE 1
TO GAS VALVE 2
8Z
9Z
8T
9T
SONDA AMB. / Control sensor
GND
GND
GND
PONTE ON/OFF REMOTO
EXTERNAL
SIGNAL
SONDA LIM. HI / Limit sensor
SENSORI CONDUCIBILITA'
conducibility sensor
SENSORI LIV.MAX (SCHIUMA)
foam sensor
EV. CARICO
ll solen
oid valve
CE
LS
KLIXON 2
KLIXON 1
V1
V2
1
0
24V
SCHEDA FENWALL 1
Fenwall Controller Board 1
V1
V2
2
0
24V
SCHEDA FENWALL 2
Fenwall Controller Board 2
2A
3A
4A
FLAME CONTROL RELAY 2 / RELE' CONTROLLO FIAMMA 2
J22.3
RELE RF2
RF2_A1
J22.2
RF2_A2
3A
4A
J23
BRIDGE ON EL.BOARD
PONTE SU SCHEDA EL.
11U
12U
ANALOG OUTPUT
300090_151-B_R01
Fig.15.c
ENG
gaSteam - UG +0300090EN rel. 1.2– 09.10.2018
15. Wiring diagrams|109