FRICK
QUANTUM™LX AcuAir
CONTROL PANEL 090.510-M (OCT 10)
MAINTENANCE Page 31
COMMUNICATIONS WIRING DIAGRAMS
TO CUSTOMER REMOTE COMPUTER/DCS
RS-485 COMMUNICATIONS
TO CUSTOMER REMOTE COMPUTER/DCS
RS-422 COMMUNICATIONS
BLK
CLR
AIR HANDLER #4
-RX/-TX
+RX/+TX
- Cable -
Belden #9841
#24 AWG or Equal
QUANTUM™ 1 OR 2
COM-2 (P12)
COMPRESSOR
1
2
3
4
BLK
CLR
1
2
3
4
To Customer
Remote
Computer / DCS
System
-RX/-TX
+RX/+TX
BLK
CLR
AIR HANDLER #2
1
2
3
4
BLK
CLR
QUANTUM™ 3 OR 4
COM-2 (TB2)
QUANTUM™ 3 OR 4
COM-2 (TB2)
AIR HANDLER #3
BLK
CLR
1
2
3
4
QUANTUM™ 3 OR 4
COM-2 (TB2)
5
6
7
8
5
6
7
8
-TX
+TX
- Cable -
Belden #9829
#24 AWG or Equal
To Customer
Remote
Computer / DCS
System
QUANTUM™ 3 OR 4
COM-2 (TB2)
-RX
+RX
-TX
+TX
AIR HANDLER #4
QUANTUM™ 1 OR 2
COM-2 (P12)
COMPRESSOR
1
2
3
4
1
2
3
4
-RX
+RX
AIR HANDLER #2
1
2
3
4
QUANTUM™ 3 OR 4
COM-2 (TB2)
AIR HANDLER #3
1
2
3
4
QUANTUM™ 3 or 4
PORT #1
BLK
GRN
BLK
RED
BLK
GRN
BLK
RED
BLK
GRN
BLK
RED
BLK
GRN
BLK
RED
