Installation Guide

Installation

26 900-0168-01-00 Rev C

AUX Wiring

The AUX+ and AUX– terminals are a switched 12 Vdc supply. The AUX can respond to different

criteria and control many functions. These include cooling fans, vent fans, load diversion, fault alarms,

and the Advanced Generator Start (AGS) function.

The terminals can supply up to 0.7 amps at 12 Vdc (8.4 watts). This is sufficient to drive a small fan or a

relay controlling a larger device. The terminals accept wire up to 2.5 mm (#14 AWG). The

AUX

circuit

contains electronic overcurrent protection, which resets after being overloaded. No additional fuses

are required for the

AUX

terminals.

The default setting for the AUX output is to control the Turbo Fan included with sealed models.

(See Figure 17.) The AUX output can only control one function at a time. It cannot be used for

anything else if the Turbo Fan is connected.

The control logic for the AUX output is not always located in the same device. Inverter AUX functions

are located within the inverter itself and are described accordingly. Although inverter-based functions

require the system display for programming, they will function even if the display is removed. However,

AGS programming is located within the system display and will not work if the display is removed. Other

devices may also be able to control the terminals. For generator control, see page 27.

Figure 17 AUX Connections for Vent Fan (Example)

Figure 18 AUX Connections for Diversion (Example)

In this example, the AUX directly

drives a 12-volt vent fan. The

+ and – wires on the fan are

connected to the AUX+ and

AUX– terminals.

Fan

AUX LED INDICATOR

The AUX indicator

illuminates when the AUX

output becomes active.

In this example, the AUX output drives a relay that

diverts wind power. The relay’s coil is connected to the

AUX+ and AUX– terminals. When the AUX output closes

the relay (based on battery voltage), the relay diverts the

excess wind power to a water heating element.

Rela

Element

NOTE: Relays and elements shown are examples only and may

var

endin

on the installation.

Turbine