Carrier AquaEdge 19DV Series Installation Instructions Manual page 25

DRAIN WIRE
BLACK (G)
WHITE (-)
RED (+)
NOTE : Field-supplied terminal strip must be located in control panel.
Fig. 16 — CCN Communication Wiring for Multiple Chillers (Typical)
Fig. 17 — HMI Panel
25
7TB IN HMI PANEL
FOR CUSTOMER
COMMUNICATION
CCN CONNECTION
A (+)
a19-2251
C (G)
B (-)