GE Industrial Solutions EPM4500 Submeter - Manual (Page 39)

CHAPTER 3: USING THE METER VERIFYING METER FUNCTIONALITY
EPM 4500 SUB METER – INSTRUCTION MANUAL 3–5
3.3 Verifying Meter Functionality
3.3.1 Overview
Once you have familiarized yourself with the EPM4500 menu structure, it is critical to verify
that the meter and CTs are properly installed.
Note To correctly diagnose the meter, there must be loads on all three phases of the meter.
3.3.2 Verifying Voltage
Z Press and hold the Display Scroll button until the following menu
heading is displayed:
Z Release the Display Scroll button.
• Scroll down by pressing and releasing the Display Scroll Button
until one of the following sub-menus are displayed (examples
shown for 120 V, 277 V, and 347 V, respectively):
Z Verify that phases A, B and C are displaying voltages; i.e., for a
120 V AC, the reading should be 117 V +10%/–15%.
3.3.3 Verifying kWh Reading
Z Press and hold the Display Scroll button until the following menu
heading is displayed:
Z Release the Display Scroll button. Scroll down by pressing and
releasing the Display Scroll button until the following sub-menu is
displayed:
Z Verify that the kWh value increases as you view the LCD.
Z To view screens for Meters 2 to 8 (M#2 to M#8), repeat the above
steps.
Phase Diagnostic
Registers
Volts 125.3 A
124.0 B 124.7 C
Volts 276.3 A
277.0 B 277.7 C
Volts 348.5 A
347.1 B 347.7 C
kW
Registers
AllHrs kWH
1.046 M# 1