Product Manual

EN NL FR DE ES SE IT Appendix

Remark: Internal resistance is the important factor when working with low capacity batteries. Please consult your supplier

or the relevant sections of our book 'Energy Unlimited', downloadable from our website.

9.3 Battery Connection Procedure

Proceed as follows to connect the battery cables:

WARNING: Use a torque wrench with insulated box spanner in order to avoid shorting the battery.

Maximum torque: 14 Nm Avoid shorting the battery cables.

WARNING: Specific care and attention must be taken when making the battery connections. Correct polarity must be

confirmed with a multimeter before connection. Connecting a battery with incorrect polarity will destroy the device and is

not covered by warranty.

• Undo the two screws at the bottom of the enclosure and remove the service panel.

• Connect the battery cables. First the - cable then the +. Be aware that there may be a spark when making the

battery connections.

• Tighten the nuts to the prescribed torques for minimal contact resistance.

9.4 Connection of the AC cabling

WARNING

This is a safety class I product (supplied with a ground terminal for safety purposes). Its AC input and/or output

terminals and/or grounding point on the inside of the product must be provided with an uninterruptible

grounding point for safety purposes. see Appendix A.

In a fixed installation, an uninterruptible grounding can be secured by means of the grounding wire of the AC input.

Otherwise the casing must be grounded.

This product is provided with a ground relay (relay H, see Appendix B) that automatically connects the Neutral output

to the chassis if no external AC supply is available. If an external AC supply is provided, the ground relay H will open

before the input safety relay closes. This ensures the correct operation of an earth leakage circuit breaker that is

connected to the output.

In a mobile installation (for example, with a shore current plug), interrupting the shore connection will simultaneously

disconnect the grounding connection. In that case, the casing must be connected to the chassis (of the vehicle) or to the

hull or grounding plate (of the boat). In case of a boat, direct connection to the shore ground is not recommended

because of potential galvanic corrosion. The solution to this is using an isolation transformer. Torque: 2 Nm

The terminal blocks can be found on the printed circuit board, see Appendix A.

Do not invert neutral and phase when connecting the AC.

The inverter does incorporate a mains frequency isolating transformer. This precludes the possibility of DC current at any

AC port. Therefore type A RCD’s can be used.

• AC-in The AC input cable can be connected to the terminal block 'AC–in'. From left to right: "N" (neutral), "PE"

(earth) and "L" (phase) The AC input must be protected by a fuse or magnetic circuit breaker rated at 32A

or less, and cable cross-section must be sized accordingly. If the input AC supply is rated at a lower value,

the fuse or magnetic circuit breaker should be down sized accordingly.

• AC-out-1 The AC output cable can be connected directly to the terminal block 'AC-out'. From left to right: "N"

(neutral), "PE" (earth) and "L" (phase) With its PowerAssist feature the Multi can add up to 3kVA (that is 3000 /

230 = 13A) to the output during periods of peak power requirement. Together with a maximum input current of

32A this means that the output can supply up to 32 + 13 = 45 A. An earth leakage circuit breaker and a fuse or

circuit breaker rated to support the expected load must be included in series with the output, and cable cross-

section must be sized accordingly.

• AC-out-2 A second output is available that disconnects its load in the event of battery operation. On these

terminals, equipment is connected that may only operate if AC voltage is available on AC-in-1, e.g. an electric

boiler or an air conditioner. The load on AC-out-2 is disconnected immediately when the inverter/charger