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E50F2A, E50F5A Installation Guide
Supported System
Types
CTs
Number of
Qty
ID
Qty
wires
Single-Phase Wiring
2
1
A
2
2
1
A
2
3
2
A, B
3
Three-Phase Wiring
3
3
A, B, C 3
4
3
A, B, C 4
Wiring Symbols
ZL0119-0F
Page 7 of 34
Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris 'V' logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
The meter has a number of different possible system wiring configurations (see Wiring Diagrams section). To configure the meter,
set the System Type via the User Interface, LON variable cpSystemType. The System Type tells the meter which of its current and
voltage inputs are valid, which are to be ignored, and whether neutral is connected. Setting the correct System Type prevents
unwanted energy accumulation on unused inputs, selects the formula to calculate the Theoretical Maximum System Power, and
determines which phase loss algorithm is to be used. The phase loss algorithm is configured as a percentage of the Line-to-Line
System Voltage (except when in System Type 10) and also calculates the expected Line to Neutral voltages for system types that
have Neutral (12 & 40).
Values that are not valid in a particular System Type display as "----" on the User Interface or as QNAN in the LON variables.
Voltage Connections
ID
Type
LON variable cpSystemType
A, N
L-N
10
A, B
L-L
11
A, B, N
L-L with N
12
A, B, C
Delta
31
A, B, C, N
Grounded
40
Wye
To avoid distortion, use parallel wires for control power and voltage inputs.
The following symbols are used in the wiring diagrams on the following pages.
Symbol
Voltage Disconnect Switch
Fuse (installer is responsible for ensuring compliance with local requirements. No
fuses are included with the meter.)
Earth ground
Current Transducer
X1
X2
Potential Transformer
Protection containing a voltage disconnect switch with a fuse or disconnect circuit
breaker. The protection device must be rated for the available short-circuit current at
the connection point.
NOTICE
RISK OF EQUIPMENT DAMAGE
• This product is designed only for use with E683 Series current transducers (CTs).
• DO NOT USE CURRENT OUTPUT (e.g. 5A) CTs ON THIS PRODUCT.
Failure to follow these instructions can result in equipment damage.
©2019 Veris Industries USA 800.354.8556 or +1.503.598.4564 / support@veris.com
Other companies' trademarks are hereby acknowledged to belong to their respective owners.
System Type
User Interface:
VLL
SETUP>S SYS
1L + 1n
2L
AB
2L + 1n
AB
3L
AB, BC, CA
3L + 1n
AB, BC, CA
Description
Phase Loss Measurements
VLN
Balance
AN
AN, BN
AN-BN
AB-BC-CA
AN, BN, CN
AN-BN-CN &
AB-BC-CA
TM
Wiring
Diagram
Diagram
number
1
2
3
4
5, 6
0119
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