Studer Innotec XTH 8000-48, XTH 6000-48, XTH 5000-24 Example of installation in a vehicle AC part

STUDER Innotec		Xtender
Fig.	Description and comment
10a	Example of installation in a vehicle (AC part)
	Special features: The connection of the neutral (C) is not permitted (presence of a socket
	upstream). The earth-neutral connection is absent in inverter mode (neutral stand-alone
	system). The safety is guaranteed by the equipotential bonding (frame). The automatic re-
	establishment of the earth-neutral connection downstream of the device in inverter mode
	can be programmed. Consult the table of figures, item (V).
	See also chapter 4.2.1 – p. 10.
10b	Example of installation in a boat without an isolation transformer (AC part)
	Special feature: Where there are multiple sources, for example connection to the dock and
	on-board generator, a source reverser (X) guaranteeing switching with phase and neutral
	interruption must be installed.
10c	Installation example in a boat, with isolation transformer
	Characteristic: With several power sources, like shore connection and onboard generator,
	a switchover (X) must be installed, to safely switch between the different voltage supplies
	with guaranteed interruption of the phase and neutral conductors. Moreover, an earth
	must be formed (E) after the isolation transformer.

11Example of a hybrid installation:

This is the most common system used to establish an emergency system or a hybrid system (grid-remote sites) ensuring a single-phase supply from a generator and/or the battery.

Special feature: In a hybrid installation, the sources for recharging a battery (k-m) are connected directly to the batterie via their own control system. This does not interfere with the Xtender charger. See also chapter 4.1.1 – p. 9.

12Example of parallel connection of 2 or 3 Xtenders

1.Only Xtenders of the same power output may be connected in parallel.

2.Wiring precautions: The cable lengths and cross-sections of AC in input (A) and AC out output (B) must be the same for all inverters in parallel in the same phase.

3.Variant: The sum of the lengths of the cables (A1) + (B1) of Xtender 1 must be the same as the sum of the lengths of the cables (A1) + (B1) of Xtender 2, and ditto for Xtender 3

4.The AC input for each Xtender must be protected individually by a protection device

(H) of the appropriate size.

5.The protection device at the output of the Xtender (F) can be shared and of appropriate calibre at the sum of the currents of the devices in parallel.

6.If necessary, the ON/OFF remote control (r) will be implemented on only one of the devices of the installation and suspends or authorises the operation of all the Xtenders in the installation.

13Example of three-phase cabling of 3 Xtenders – three-phase input

Special features: When 3 Xtenders are cabled to form a three-phase grid, the cabled phases at the input determine the jumper position for selecting the phase (10). It is vital to determine and select the phase for each Xtender.

See also chapter 6.3.1 – p. 22.

The comments for fig. 12 - 4 to 6 are valid.

14Example of three-phase cabling of 3 Xtenders – single-phase input

Special feature: In a three-phase configuration, if only one phase is available as a source, only one Xtender will be wired on that source. Phase 2 and 3 will be permanently fed from the two other units connected only to the battery (not connected to ACin).

It is vital to determine and select the phase for each Xtender. See also chapter 6.3.1– p. 22.

The comments for fig. 12 are valid.

15Example of three-phase, input and output wired, with reinforced phase

Special feature: This installation allows a three-phase supply with a reinforced phase The reinforced phase may be incorporated on two or even three inverters in parallel. The protection device at the output on which 2 or 3 Xtenders are cabled must be calibrated according to the sum of the maximum currents of the devices in parallel.

The comments for fig. 12 to 13 are valid.

Installation and operating Instructions Xtender V1.3 Page 28