Magnum Energy ME-RC Manuel du propriétaire télécharger pdf (Page 29)

3.0 Setup

• SETUP: 06 VAC Dropout – Used to select the minimum AC voltage that

must be present on the input before the inverter/charger switches from

Inverter to Standby mode. This setting also determines the minimum

AC voltage threshold where the charger disengages and the inverter

(when turned on) will provide AC power from the batteries. This protects

AC loads from utility outages.

Default setting: Dropout = 80 VAC (Export models = 150 VAC)

Range: US models: 60-100 VAC, UPS Mode; Export models: 110-190

VAC, UPS Mode

Example: If this setting is set to Dropout = 60 VAC, then the AC input

voltage must be above 60 volts before the inverter will switch from Inverter

mode to Standby mode.

Example: If this setting is set to Dropout = 60 VAC, when the AC input

voltage drops to 60 volts the inverter will switch from Standby mode to

Inverter mode.

Press to save

SETUP

Press

Status...

06 VAC Dropout

Rotate to

Press to select

Rotate to

desired

selection:

Status...

Dropout= 60VAC

Status...

Dropout= 80VAC

Status...

Dropout= UPSmode

Status...

Dropout= 100VAC

... ...

Figure 3-11, SETUP: 06 VAC Dropout Selections

Where do I set my VAC Dropout? It depends on the application and what

you are using as the AC source. The settings not only look at the incoming

voltage level to determine when to transfer, but also determine how quickly

the charger disconnects and starts inverting based of the ﬂ uctuations of the

incoming AC voltage.

Note: If the ME-RC is connected to a MSH-RE inverter, the VAC Dropout

setting applies to both inputs (AC1 and AC2).

Dropout = 60 VAC to 100 VAC (export inverter models – Dropout

= 120 VAC to 200 VAC): Use a VAC dropout setting from 60 VAC to 100

VAC (export models—dropout from 110 VAC to 190 VAC) when the AC

source may have ﬂ uctuations in RMS voltage. These settings attempt to

prevent the charger from disengaging unnecessarily due to poor quality

voltage, and are highly recommended if using a generator for charging.

The transfer time from Standby mode to Inverter mode is >16 millisec-

onds when using these settings.

Dropout = UPSmode: Use the UPS Mode setting when the AC source

is well regulated above 105 VAC (200 VAC for export inverter models)

and the inverter loads are sensitive to voltage ﬂ uctuations. This setting

is intolerant of voltage ﬂ uctuations and will provide a quick transfer. The

transfer time from Charge mode to Inverter mode is ≤16 milliseconds

when using this setting. Do not use this setting if using a generator as

your AC source.

Info: If you get nuisance AC disconnects, either change the setting

to 100 VAC or less (export inverter models—190 VAC or less), or

obtain a better voltage-regulated AC source.

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Magnum Energy ME-RC Manuel du propriétaire Page 29

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