Md-P1 And Md-P1D Power Meters Wiring Diagrams - Siemens MD-P1 User Manual

MD-P1 and MD-P1D Power Meters Wiring Diagrams

Siemens Industry, Inc.
The following table describes error conditions and the appropriate correction:
Table 3: LED Error Resolution.
CT1 CT2 CT3
Green Green Green Setup is correct and the system
power factor is greater than 0.55,
or all CTs are disconnected.
Red Red Red All CTs are incorrectly connected,
-or-
the system power factor is less than
0.55.
Green Red Red CT2 and CT3 are reversed.
Red Red Green CT1 and CT2 are reversed.
Red Green Green CT1 is swapped with either CT2 or
CT3.
Green Red Green CT2 is swapped with either CT1 or
CT3.
Green Green Red CT3 is swapped with either CT1 or
CT2.
Red Green Red CT1 and CT3 are reversed
The MD-P1 and MD-P1D Power Meters can be wired using any one of the following
five common wiring setups. These diagrams will assist you in properly connecting your
power meter for the setup desired.
NOTE:
All wire colors are U.S. Standard, and differ from Canadian standards.
For Canadian installations, reverse the red and black wires (L1 = Red, L2 = Black).
WARNING
DO NOT EXCEED 600 Vac PHASE-TO-PHASE CAT III.
When complete, close the enclosure cover, if equipped.
MD-P1 and MD-P1D Power Meters Wiring Diagrams
Error Description
Connect the CTs.
Rotate the CT connections by one
position by moving CT1 to CT2, CT2 to
CT3, and CT3 to CT1, until all LEDs
are green.
The system power factor is less than
0.55, but the CTs are connected
properly indicating a light load.
Switch the position of the CTs flashing
red.
Switch the position of the CTs flashing
red.
Switch CT1 with CT2,
or switch CT1 with CT3.
Switch CT2 with CT1,
or switch CT2 with CT3.
Switch CT3 with CT1,
or switch CT3 with CT2.
Switch the position of the CTs flashing
red.
Installation
Correction
25
125-201
09/30/2019