Trane Cold Generator CGWR Series Installation, Operation And Maintenance Manual page 42

Electrical Schematics
Figure 10. Power/control wiring schematic for 40 to 65 ton, R-410A CGWR water-cooled chillers
(OPTIONAL)
(OPTIONAL)
Bellimo WRV #1
S1 GND +5
+5 GND SI
Com NO
+12V
GND
SCL
TO KEYPAD / DISPLAY
SDA
+485
-485
WHITE (TO TBC3)
OPTIONAL
SHIELD (TO TBC1)
gnd
WRV
gnd
SENSOR M-13
WHITE
CMP1&3 ENABLE
BLACK/
SHIELD
SENSOR M-14
CMP2 ENABLE
TBA21
SENSOR M-15
21
FLOW-Field
22
TBA22
23
SENSOR M-16
TBA23 24
REM RUN/STOP
OPTIONAL FIELD TBA24
42
YELLOW
BLUE
SENSOR 2 SENSOR 3 SENSOR 4 SENSOR 5 SENSOR 6
SENSOR 1
S1 GND +5 S1 GND +5
S1 GND +5 S1 GND +5 S1 GND +5
DIGITAL DIGITAL DIGITAL DIGITAL DIGITAL
DIGITAL
ANALOG ANALOG ANALOG
ANALOG ANALOG ANALOG
DIGITAL DIGITAL DIGITAL DIGITAL
DIGITAL DIGITAL
ANALOG ANALOG
ANALOG ANALOG ANALOG ANALOG
+5 GND SI +5 GND SI
+5 GND SI +5 GND SI +5 GND SI
SENSOR 9 SENSOR 10 SENSOR 11 SENSOR 12 SENSOR 14
SENSOR 13
NC Com NO NC Com NO NC Com NO NC Com NO NC Com NO NC
UNIT CONTROLLER
120 VAC POWER IN
SENSOR 7 SENSOR 8
S1 GND +5 S1 GND +5 +12 +12 +12 LINE NEUT GND
DIGITAL DIGITAL DIGITAL
ANALOG ANALOG ANALOG
1
2
3
4
5
6
7
8
DIGITAL DIGITAL
ANALOG ANALOG
A1 GND A2 A3 GND A4
+5 GND SI +5 GND SI
+ - GND
SENSOR 15 SENSOR 16
ANALOG OUTPUTS MCS I/O
Com NO NC Com NO NC Com NO NC Com NO NC
CG-SVX038A-EN