Alpha Technologies Tri Power X31 HE, User Manual

Page: 39 / 55

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FUNCTION DESCRIPTION DEFAULT POSSIBLE SETTINGS MOD.
Advanced Functions
Input frequency
tolerance
Selects the allowed input
frequency range for the
switch to bypass and
synchronization of the
output
± 5%

± 0.25%

± 0.5%

± 0.75%

± 1 ÷ ±10 in steps of 1%
SW
Bypass voltage
thresholds
Selects the voltage range
allowed for the switch to
bypass
Low: 180V
High: 264V
Low: 180 ÷ 200 in steps of 1V
High:
250 ÷ 264 in steps of 1V
SW
Bypass voltage
thresholds for ECO
Selects the allowed
voltage range for
operation in ECO mode
Low: 200V
High: 253V
Low: 180 ÷ 220 in steps of 1V
High:
240 ÷ 264 in steps of 1V
SW
Activation
sensitivity for ECO
Selects the activation
sensitivity for operation in
ECO mode
Normal

Low

Normal

High
CP
Power supply of
load in stand-by
Power supply of load on
bypass with UPS off
(stand-by status)
Disabled (load
NOT powered)

Disabled (not powered)

Enabled ( powered )
SW
Bypass operation
Selects operating mode
of bypass line
Enabled /
High sensitivity

Enabled / High sensitivity

Enabled / Low sensitivity

Disabled with input / output
synchronization

Disabled without input / output
synchronization
SW
Inverter
synchronization
(External Sync)
Selects the source of
synchronization for the
inverter output
From bypass line

From bypass line

From external input
SW
Power-on delay
Selects the pause time
for automatic reactivation
after mains power has
been restored
5 sec.

Disabled

1 ÷ 255 in steps of 1 sec.
CP
Power Walk-in
Enables the mode for
gradual return to mains
power
Disabled

Enabled

Disabled
SW
Duration of
Power Walk-in
Sets the duration of the
gradual return to mains
power (only if Power
Walk-in is enabled)
10 sec Min.: 1 sec. - Max.: 30 sec.
SW
Speed of
synchronization
between inverter
and bypass line
Selects the speed of
synchronization between
the inverter and the
bypass line
1 Hz/sec

0.5 Hz/sec

1 Hz/sec

1.5 Hz/sec

2 Hz/sec
SW
External
temperature probe
( optional )
Enables reading of the
external temperature
probe
Not enabled

Not enabled

Enabled
SW
* When these output voltage values are set, the output power of the TRIPOWER X31 HE is reduced (see “Reducing the Load (to
200V and 208V)” paragraph)