70-50 2x120V Manual

Table Of Contents

5. Configuration

This section is intended mainly for stand-alone applications.

Settings may only be changed by a qualified electrical engineer.

Read the instructions thoroughly before implementing changes.

During setting of the charger, the AC input must be removed.

5.1. Standard settings: ready for use

On delivery, the MultiPlus-II is set to standard factory values. In general, these settings are suitable for single-unit operation.

Possibly, the standard battery charging voltage is not suitable for your batteries! Refer to the manufacturer's

documentation, or to your battery supplier!

MultiPlus-II 12V 3kVA 2x120V factory settings

Inverter frequency 60 Hz

Input frequency range 45 – 65 Hz

Input voltage range Split phase 180 – 280 VAC; Single phase: 90 – 140 VAC

Inverter voltage 120 VAC

Stand-alone / parallel / 3-phase stand-alone

AES (Automatic Economy Switch) off

Ground relay on

Charger on/ off on

Battery charge curve four-stage adaptive with BatterySafe mode

Charging current 100% of the maximum charging current

Battery type Victron Gel Deep Discharge (also suitable for Victron AGM Deep

Discharge)

Automatic equalisation charging off

Absorption voltage 14,5V

Absorption time up to 8 hours (depending on bulk time)

Float voltage 13,2V (not adjustable)

Repeated absorption time 1 hour

Absorption repeat interval 7 days

Bulk protection on

AC input current limit 50A (= adjustable current limit for PowerControl and PowerAssist

functions)

UPS feature on

Dynamic current limiter off

WeakAC off

BoostFactor 2

Programmable relay alarm function

PowerAssist on

5.2. Explanation of settings

Settings that are not self-explanatory are described briefly below. For further information, please refer to the help files in the

software configuration programs (see Section 5.3).

Inverter frequency

Output frequency if no AC is present at the input.

MultiPlus-II 12V 3kVA 2x120V

Page 14 Configuration