-B- Inputs/Outputs
DESCRIPTION RANGE UNIT VALUE
Analogue input 3. Coil pressure circuit 1 (B3) bar
DISPLAY
INSTANT.
Analogue input 4. Coil pressure circuit 2 (B4) bar
DISPLAY
INSTANT.
Analogue input 5. Entering water temperature (B5) °C
DISPLAY
INSTANT.
Analogue input 6. Leaving water temperature (B6) °C
0 = OPEN
C = CLOSED
Digital input 1. External alarm O/C
0 = OPEN
C = CLOSED
Digital input 2. Flow switch O/C
0 = OPEN
C = CLOSED
Digital input 3. Remote ON/OFF O/C
0 = OPEN
C = CLOSED
Digital input 4. Pump 1 protection O/C
0 = OPEN
C = CLOSED
Digital input 5. Low pressure switch circuit 1 O/C
0 = OPEN
C = CLOSED
Digital input 6. High pressure switch circuit 2 O/C
0 = OPEN
C = CLOSED
Digital input 7. Compressor 1 thermal protection, circuit 1 O/C
0 = OPEN
C = CLOSED
Digital input 8. Compressor 2 protection, circuit 2 O/C
0 = OPEN
C = CLOSED
Digital input 9. Fan 1-2 protection, circuit 1 O/C
0 = OPEN
C = CLOSED
Digital input 10. Low pressure switch circuit 2 O/C
0 = OPEN
C = CLOSED
Digital input 11. High pressure switch circuit 2 O/C
0 = OPEN
C = CLOSED
Digital input 12. Compressor 3 thermal protection, circuit 2 O/C
0 = OPEN
C = CLOSED
Digital input 13. Compressor 4 thermal protection, circuit 2 O/C
0 = OPEN
C = CLOSED
Digital input 14. Fan 3-4 protection, circuit 2 O/C
0 = OPEN
C = CLOSED
Digital input 15. Remote COOL/HEAT O/C
0 = OPEN
C = CLOSED
Digital input 16. No in use
Digital input 17. No in use
Digital input 18. Pump 2 protection
0 = OPEN
C = CLOSED
Digital output 1. Compressor 1, circuit 1 O/C
0 = OPEN
C = CLOSED
Digital output 2. Compressor 2, circuit 1 O/C
0 = OPEN
C = CLOSED
Digital output 3. Not in use
Digital output 4. Not in use
Digital output 5. Pump 1 O/C
0 = OPEN
C = CLOSED
Digital output 6. Compressor 3, circuit 2 O/C
0 = OPEN
C = CLOSED
Digital output 7. Compressor 4, circuit 2 O/C
0 = OPEN
C = CLOSED
Digital output 8. Not in use
Digital output 9. Not in use
Digital output 10. External alarm/phase failure O/C
0 = ABIERTA
C = CERRADA
Digital output 11. Antifreeze heater O/C
0 = ABIERTA
C = CERRADA
Digital output 12. Backup heater O/C
0 = ABIERTA
C = CERRADA
Digital output 13. 4-way valve, circuit 1 O/C
0 = ABIERTA
C = CERRADA
Digital output 14. 4-way valve, circuit 2 O/C
0 = ABIERTA
C = CERRADA