Install Manual

4
Ground
WHITE
BLACK
ØB CT
ØC CT
ØA CT
ØB
ØC
N
ØA
Common
B+, D1, RxD+/TxD+
EIA-485
Monitoring Device
A−, D0, RxD−/TxD−
Continental Control Systems LLC
Status
Status
Status
X
C
B
+
A
-
MODBUS
Com
WNC-
WNC-
W ATTNODE
®
M ODBUS
-MB
-MB
Neutral
Phase A
Phase B
Phase C
LOAD
WHITE
BLACK
WHITE
BLACK
LINE
Source
Faces
Current
Transformers
3Y-xxx
3D-xxx
Figure 1: WattNode Wiring Diagram
2.2 Electrical Service Types
Electrical
Service (or Load) Types
Line-to-
Neutral
(Vac)
Line-to-
Line
(Vac)
Meter
Service
Type
Meter
Powered
by
1 Phase 2 Wire 120V with neutral 96 – 138 n.a. 3Y-208 N and ØA
1 Phase 2 Wire 230V with neutral (non-U.S.) 184 – 264 n.a. 3Y-400 N and ØA
1 Phase 2 Wire 277V with neutral 222 – 318 n.a. 3Y-480 N and ØA
1 Phase 2 Wire 208V no neutral n.a. 166 – 276 3D-240 ØA and ØB
1 Phase 2 Wire 240V no neutral n.a. 166 – 276 3D-240 ØA and ØB
1 Phase 3 Wire 120V/240V with neutral 96 – 138 166 – 276
3Y-208 N and ØA
3D-240 ØA and ØB
3 Phase 3 Wire Delta 208V no neutral n.a. 166 – 276 3D-240 ØA and ØB
3 Phase 3 Wire Delta 400V no neutral (non-
U.S.)
n.a. 320 – 460 3D-400
ØA and ØB
3 Phase 3 Wire Delta 480V no neutral n.a. 384 – 552 3D-480 ØA and ØB
3 Phase 4 Wire Wye 120V/208V with neutral 96 – 138 166 – 276
3Y-208 N and ØA
3D-240 ØA and ØB
3 Phase 4 Wire Delta 120/208/240V with
neutral
96 – 138 166 – 276 3D-240 ØA and ØB
3 Phase 4 Wire Wye 230V/400V with neutral
(non-U.S.)
184 – 264 320 – 460
3Y-400 N and
ØA
3D-400 ØA and ØB
3 Phase 4 Wire Wye 277V/480V with neutral 222 – 318 384 – 552
3Y-480 N and ØA
3D-480 ØA and ØB
3 Phase 4 Wire Delta 240/415/480V with
neutral
222 – 318 384 – 552 3D-480 ØA and ØB
3 Phase 4 Wire Wye 347V/600V with neutral 278 – 399 480 – 690 3Y-600 N and ØA
Table 1: WattNode Models