MGE UPS Systems STS 600A - Manual (Page 53)

Installation and User Manual
Operation 3 —15 86-504004-00 B03
3.15 Epsilon STS™ Customization
Certain parameters can be customized as follows:
1. Press the
2. Select , then using the function buttons marked or .
3. Confirm by pressing the function button marked
❚
4. Enter the password (default factory password is “0 0 0”. Select Setup, then Password to change the
password).
Figure 3-6: Customization Screen.
Table 3-1: Customization Settings.
Parameter Factory setting Customization
Nominal Voltage (both sources) As specified by customer 208,220,240,440,480,575,600V
Overvoltage threshold +10% +5% to +20% (1% steps)
Undervoltage threshold -10% -5% to –20% (1% steps)
Nominal Frequency (both sources) 60 Hz 50 or 60 Hz
Over-frequency threshold +5% +1 to +10% (0.5% steps)
Under-frequency threshold -5% -1 to -10% (0.5% steps)
Phase error tolerance (between sources) ±15° ±1° to ±45° (1° steps)
Retransfer Automatic (YES) Manual (NO)
(return to preferred source after transfer)
For additional customization of your Epsilon STS™ (e.g. to change the retransfer time delay from the factory setting
of 10 seconds), we recommend that you contact our MGE Customer Support (reference page QS-8).
Customization active
Nominal Voltage 480V
Overvoltage threshold 10%
Undervoltage threshold 10%
Nominal frequency 60 Hz
Over-frequency threshold 5%
Under-frequency threshold 5%
Phase error tolerance S1/S2 15°
Retransfer YES
E
S
C