Ac Connection - Victron energy MultiPlus-II Manual

• Tighten the nuts well for minimal contact resistance.
• The connector goes on first, then the flat washer, lock washer and nut. Tighten the nuts well for minimal contact resistance.

4.3. AC connection

This product is not approved to the standard AS 4777.2:2020 and cannot connect to the grid as part of an
inverter energy system in accordance with the requirements of AS 4777.2:2020.
A residual current device is mandatory for all domestic and residential installations below a 32A rating:
• Use for a 3kVA inverter/charger a 30mA, 32A, type A RCD.
• Use for a 5kVA inverter/charger a 30mA, 50A, type A RCD.
A fuse or automatic circuit breaker rated to support the expected load must be included in series with the
output. And the cable cross-section must be sized accordingly.
Both the earth leakage circuit breaker, automatic circuit breaker (or fuse) and cabling must be in accordance
with the AS/NZS 3000 Electrical installations standard.
In case of an earth fault alarm, the inverter/charger shuts down, and error 8 is raised. For more information
about error 8, see
An earth fault can be recognised if the display shows: "Error 8."
If the unit is not connected to the (optional) VRM portal via its GX device, install the product in a high-traffic
area where an alarm would be noticed, or install an additional external earth fault alarm unit.
This product 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 outside of the product must be provided with
an uninterruptible grounding point for safety purposes.
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 fixed installation, an uninterruptable grounding can be secured by means of the grounding wire of the
AC input. Otherwise, the casing must be grounded.
For the location of the AC terminals, see the appendix.
Do not invert neutral and phase when connecting the AC.
• 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 (for 3kVA model) and 50A (for 5kVA
model) 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 downsized 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)
Page 9
MultiPlus-II inverter/charger off-grid Australia
VE.Bus Error Codes.
Installation