Veris Industries E50F2A Installation Manual page 16

E50F2A, E50F5A Installation Guide
UI for Setup (cont.)
To Setup p. 1 "S PWR"
Back SPLOS
Phase
Loss
Back SDMND
Demand
Back S DIS
Display
Units
Back SPASS
Setup
Passwords
To Setup page 1 "S CT"
ZL0119-0F Page 16 of 34
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VOLTS IMBAL
-------- --------
0.10 0.25
Next
INTRV
--------
6
SEC
5
--------
4
00900
3
2
Next
1
UNITS
--------
IEEE
IEC
Next
SETUP
RESET
--------
--------
00000
00000
Next
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Set Phase Loss:
VOLTS - Phase Loss Voltage: Phase Loss Voltage Threshold in
percent of system voltage. Any phase (as configured by the System
Type) whose level drops below this threshold triggers a Phase Loss alert.
For example, with the system type set to 40 (3L+N) and the System
voltage set to 480V L-L, the L-N voltage for each phase is 277V.
When this threshold is set to 10%, if any phase drops to less than 10%
of 277V (less than 27.7V), or if any L-L voltage drops to less than 10% of
480V (less than 48V), the corresponding phase loss alarm activates.
IMBAL - Phase Loss Imbalance: Phase Loss Imbalance Threshold in
percent is the fractional difference in Line to Line voltages above which
Phase Loss Alarm is on. For a 3-phase Y(3+N) system (type 40), both
Line to Neutral and Line to Line voltages are tested. In a 3-phase delta
system (type 31), only the Line to Line voltages are examined. In a single
split-phase (2+N) system (type 12), only the Line to Neutral voltages are
compared. For system types 1+N (10) and 2 (11), imbalance is not tested.
Set Demand Interval:
INTRV - The number of Sub-Intervals (1 to 6) in a Demand Interval.
Default is 1 (block demand).
SEC - Sub-Interval length in seconds. Default is 900 (15 minutes).
Set to 0 for external sync-to-comms.
Set Display Units: +/- to switch between:
IEEE – VLL VLN W VAR VA Units.
IEC – U V P
Set Passwords:
SETUP - The Password to enter the SETUP menu.
RESET - The Password to enter the RESET menu.
Q S Units.
TM
0119