Frick QUANTUM LX Control Panel Maintenance Manual page 58

090.610-M (MAY 2016)
Page 58
To Customer
-RX/-TX
Remote
Computer /
+RX/+TX
DCS System
- Cable -
Belden #9841
#24 AWG or Equal
To Customer
Remote -RX
Computer /
+RX
DCS System
-TX
+TX
- Cable -
Belden #9841
#24 AWG or Equal
QUANTUM LX EVAPORATOR CONTROL PANEL
™
MAINTENANCE
COMMUNICATIONS WIRING DIAGRAMS
TO CUSTOMER REMOTE COMPUTER/DCS
RS-485 COMMUNICATIONS
Q1 or Q2
COM-2 (P12)
BLK BLK
1
CLR
CLR
2
3
4
5
EVAPORATOR #2
6
7
8
EVAPORATOR #1
TO CUSTOMER REMOTE COMPUTER/DCS
RS-422 COMMUNICATIONS
Q1 or Q2
COM-2 (P12)
BLK BLK
1
GRN GRN
2
BLK
3 BLK
4
RED RED
5
EVAPORATOR #2
6
7
8
EVAPORATOR #1
Q3 or Q4
Q3 or Q4
COM-2 (TB2)
COM-2 (TB2)
1 BLK
CLR
2
3
4
EVAPORATOR #3
Q3 or Q4
COM-2 (TB2)
COM-2 (TB2)
1 BLK
GRN
2
3 BLK
RED
4
EVAPORATOR #3
Q5
COM-2 (P11)
1
BLK
2
CLR
3
4
EVAPORATOR #4
Q3 or Q4 Q5
COM-2 (P11)
1
BLK
2
GRN
3
BLK
4
RED
EVAPORATOR #4
1
-RX/-TX
2
+RX/+TX
3
4
5
1
-RX
2
+RX
3 -TX
4
+TX
5