Magnum Energy ME-RC Manuel du propriétaire télécharger pdf (Page 28)

3.0 Setup

Where should I set my Maximum Charge Rate? The maximum charge

rate is generally set to a C/5* rate (C = the total amp-hour capacity of the

battery bank—using the 20-hour AH rate). The C/5 rate is usually used when

the objective is to charge the batteries as quickly as possible (i.e., 400 AH ÷

5 = 80 amp maximum charge rate). A lower rate such as C/20* is used when

the batteries need to be charged as slow as possible.

CAUTION: The C/5 or C/20 charge rate settings are guidelines; they

are not requirements on how you should set your battery charge

rate. For speciﬁ c charge rate requirements, refer to your battery’s

manufacturer.

Info: If multiple inverter/chargers are used on a single battery bank,

you must ensure that the total charge rate from all inverter/char-

gers is limited to the maximum charge rate needed for your battery

bank. The maximum Charge Rate setting only limits the charging

on each inverter/charger individually, not on all inverter/chargers.

* C/5 or C/20 rate – charge rates are commonly expressed as a ratio of the total

amp-hour (AH) capacity of the battery bank. For example, with a 400 AH battery

bank (C = 400), the C/5 charge rate is 80 A (400/5 = 80 A).

Press to save

SETUP

Press

Status...

05 Charge Rate

Rotate to

Press to select

Rotate to

desired

selection:

Status...

Max Charge = 0%

Status...

Max Charge = 80%

....

Status...

Max Charge = 10%

Status...

Max Charge =100%

....

Figure 3-10, SETUP: 05 Charge Rate Selections

• SETUP: 05 Charge Rate – Sets the maximum charge rate allowed

to charge the batteries during Bulk, Absorption, Float, and Equalize

charging. The Max Charge = 0% setting helps minimize charging

while continuing to allow pass-thru power. The rest of the selections

are provided to limit the charge rate to the battery bank, which helps

prevent battery overheating caused by charging at too high a charge rate.

The Max Charge selections are provided as a percentage of the inverter/

charger’s maximum charging capability. Refer to the label on the side of

the inverter (or owner’s manual) to determine the inverter’s maximum

charge rate. Once you ﬁ nd this maximum charge rate, determine the

percentage needed to limit the charge rate to your battery bank.

Default setting: Max Charge = 80%

Range: 0-100%

Example: The maximum charge rate of your inverter/charger is 120

amps and you need to limit the charge rate to 72 amps. Choose the

Max Charge = 60% setting (72 amps = 60% of 120 amps)

Info: If Max Charge = 0%, the topology of the inverter—when

connected to an AC source—will override the 0% setting and start

charging if the battery voltage is <11 VDC (12v models), <22 VDC

(24v models), or <44 VDC (48v models).

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Magnum Energy ME-RC Manuel du propriétaire Page 28

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