Frick QUANTUM LX Control Panel - Page 58

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