MGE UPS Systems STS 200A, STS 400A, STS 600A 3.15Epsilon STS™ Customization, Setup, Password, Parameter, Customization, Factory setting

Installation and User Manual

3.15Epsilon STS™ Customization

Certain parameters can be customized as follows:

1.Press the <Menu> button.

2. Select <Setup>, then <Customization> 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.

	Customization active
Nominal Voltage		480V
Overvoltage threshold		10%
Undervoltage threshold		10%
Nominal frequency		60 Hz
Over-frequency threshold		5%	ES
Under-frequency threshold		5%
				C
Phase error tolerance S1/S2		15°
Retransfer		YES

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).

86-504004-00 B03 Operation 3 —15