391
Troubleshooting
Connector No. Pin No. Description Default function
THM1 THM1 Tow -
THM2 THM2 Tiw -
THM3 THM3 TowHP -
THM4 THM4 Tg -
THM5 THM5 TL -
THM6 THM6 Auxsensor 4 Tow2
THM7 THM7 Auxsensor 8 TDHW
THM8 THM8 Auxsensor 1 Tow3
THM9 THM9 Auxsensor 3 Tswp
THM10 THM10 Auxsensor 2 Tsolar
THM11 THM11 Auxsensor 5 -
THM17 THM17 Auxsensor 6 Room_amb1
THM18 THM18 Auxsensor 7 Room_amb2
CN6 CN6 Pdw -
CN4 CN4 Input 11 -
CN2
CN2-1 Input 2 c1&c2&ECO
CN2-2 DC 13V -
CN2-3 Input 5 Smart Act.
CN5
CN5-1 DC 13V -
CN5-2 GND -
CN5-3 Not used -
CN5-4 Not used -
CN5-5 Not used -
CN11
CN11-1 DC 13V -
CN11-2 Not used -
CN11-3 Input 9 Demand ON/OFF 2
CN11-4 Input 10 Not used
JL
JL-1 Input 7 Power meter 1
JL-2 Input 8 Power meter 2
JL-3 DC 13V -
CN9 CN9 Not used -
CN20
CN20-1 DC 13V -
CN20-2 Output 11 WP1
CN20-3 Output 9 WP2
CN20-4 Not used -
Emulator —— Not used -
TP1 —— Not used
CN9 —— Not used
EFR1 EFR1 Fuse for main control board
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