EN - 7
RC1
0 1
2
3
4 5 6
7 8
J13
J7
1 3 5 7 9 111315
2 4 6 8 10121416
1
2
3
J5
J8
J1
5 4 3 2 1
1
2
3
4
1
2
3
4
4 5 6 7 8
1 2 3
9 8 7 6
5 4 3 2 1
9 8 7 6
J12
9 10 11 12
J10
4 5 6 7 8
1 2 3
J9
4 5 6 7 8
1 2 3
4 5 6 7 8
1 2 3
J11
9 10 11 12
J4
5 4 3 2 1
6
J6
5 4 3 2 1
9 8 7 6
11 10
J2
5 4 3 2 1
9 8 7 6
11 10
J3
D15
D14
K3
K1
CIAT GAMME CONNECT2 ADD3
TERMINAL BLOCK J6
(on/off inputs)
1: 230 V phase input common to the terminal outputs (24 V for
inverter compressor).
2: 230 V neutral input, common for redistribution on the terminal
block.
3: Neutral, compressor 2 protection.
4: Compressor 2 protection reset output (compressor 2 reset for
inverter).
5: Output to circuit 2 high-pressure switch (compressor 2 on/off, no
inverter faults)
6: Circuit 2 high-pressure switch feedback.
7: Compressor 2 winding 1 start output.
8: Not used.
9: Compressor 2 winding 2 start output (compressor 2 start for
inverter).
TERMINAL BLOCK J7
Serial port for Module 2 (3-circuit machine).
1: Terminal A.
2: Terminal B.
3: Shield.
TERMINAL BLOCK J8
(Molex)
Serial port for the expansion boards.
TERMINAL BLOCK J9
(on/off outputs)
1: Phase input common to terminals 2, 3 and 4.
2: Circuit 1 fan 1 output.
3: Circuit 1 fan 2 output.
4: Circuit 1 fan 3 output.
5 Phase input common to terminals 6, 7 and 8.
6: Circuit 1 fan 4 output.
7: Circuit 1 fan 5 output.
8: Circuit 1 fan 6 output.
TERMINAL BLOCK J10
(on/off inputs)
1: Phase input common to terminals 2, 3 and 4.
2: Circuit 2 fan 1 output.
3: Circuit 2 fan 2 output.
4: Circuit 2 fan 3 output.
5 Phase input common to terminals 6, 7 and 8.
6: Circuit 2 fan 4 output.
7: Circuit 2 fan 5 output.
8: Circuit 2 fan 6 output.
TERMINAL BLOCK J11
(on/off outputs)
1 Phase input common to terminals 3-5-6.
2: Neutral input common to the terminal outputs.
3: 25% valve output, compressor 1.
4: 25% valve and intake valve neutral.
5: Compressor 1 intake valve output.
6: Compressor 1 exhaust valve output.
7: Compressor 1 liquid valve and exhaust valve neutral.
8: Neutral input for terminal 12.
9: Phase input common to terminals 10-11.
10: Compressor 1 intake valve output.
11: Compressor 1 É
COCIAT
valve output.
12: É
COCIAT
Valve neutral output.
TERMINAL BLOCK J12
(on/off outputs)
1 Phase input common to terminals 3-5-6.
2: Neutral input common to the terminal outputs.
3: 25% valve output, compressor 2.
4: 25% valve and intake valve neutral.
5: Compressor 2 intake valve output.
6: Compressor 2 exhaust valve output.
7: Compressor 2 liquid valve and exhaust valve neutral.
8: Neutral input for terminal 12.
9: Phase input common to terminals 10-11.
10: Compressor 2 intake valve output.
11: Compressor 2 É
COCIAT
valve output.
12: É
COCIAT
valve neutral output.
2.4 Description of expansion board 3 (ADD3) on a 3-circuit machine. Module 2, rotary switch set to '2'
01
2
3
4 5 6
7
8
TERMINAL BLOCK J1
(Molex)
Port available for expansion boards
TERMINAL BLOCK J2
(analogue inputs)
1: +5 V power supply for pressure sensor.
2: 0-5 V input for circuit 3 HP sensor.
3: 0-5 V input for circuit 3 LP sensor.
4: Common for pressure sensors.
5-6: Available.
7-8: 10 K circuit 3 suction temperature sensor.
8-9: 10 K circuit 3 liquid temperature sensor.
10-11: 50 K circuit 3 discharge temperature sensor.
TERMINAL BLOCK J3
(on/off inputs)
1-2: Water flow fault.
2-3: Circuit 3 manual reset HP fault (compressor 3 operation).
4-5: Compressor 3 protection fault (inverter compressor 3 fault)
6-8: Circuit 3 expansion valve fault.
7-8: Circuit 3 fan fault.
9-10: Phase controller fault.
10-11: 10 K circuit 3 exchanger water outlet temperature sensor
(2 modules).
TERMINAL BLOCK J4
(analogue outputs)
1-2: Pump 3 speed control (
+
on terminal 1)
2-3: Circuit 3 fan speed control (
+
on terminal 2)
4-5: Compressor 3 speed control (
+
on terminal 4)
5-6: Not used.