3
ELECTRICAL CONNECTIONS
KEY
G Power supply 24 Vac
G0 Referred to power supply
ID5 Digital input no. 5 at 24 Vac/Vdc
ID6 Digital input no. 6 at 24 Vac/Vdc
ID7 Digital input no. 7 at 24 Vac/Vdc
ID8 Digital input no. 8 at 24 Vac/Vdc
ID9 Digital input no. 9 at 24 Vac/Vdc
ID10 Digital input no. 10 at 24 Vac/Vdc
IDC9 Common, digital inputs no. 9 to 12
(negative pole if the set is powered in
DC)
ID3 Double set point if jumpered
B4 Evaporator common delivery probe
B5 Condenser common delivery probe
TRA Transformer supplied
MTA Thermomagnetic switch on power
distribution board
chiller
FU 2A fuse
NO8 C8 NC8 (Alarm summary)
fig. 2
5