7
FIGURE 2
1-2 Power supply 230 Vac, 50/60 Hz 11-12 High Pressure switch 110-240 Vac, 50/60 Hz
(3)-4 Pressure transmitter input 13-14 Low Pressure switch 110-240 Vac, 50/60 Hz
5 Transmitter supply +8...+16 Vdc, 25 mA 15-16 Refrigerant Level 110-240 Vac, 50/60 Hz
6-7 RS 485 serial communication port 17-18 Alternative Set 110-240 Vac, 50/60 Hz
8-9-10 Alarm relay 240 Vac, 5 A 19-20 Auxiliary Alarm 110-240 Vac, 50/60 Hz
FIGURE 3
C1,1 compressor 1 contactor coil C2,1 compressor 2 contactor coil
S1,2 compressor 1 second stage solenoid S2,2 compressor 2 second stage solenoid