Installation – Magnum Energy AGS Stand Alone (ME-AGS-S) User Manual

Page 14

2.5.3

Gen Start/Stop Connections (Terminals 1, 5, 6, 7, & 8)

This section details the control relays inside the AGS controller and provides

information on wiring these relays to the generator’s start/stop circuit. You

must identify the generator’s start and stop wiring requirements to determine

how many relays you require, the amount of wires you connect, and in what

combination.
If the generator is equipped with a remote control terminal or connector,

the connections to the AGS control relays are made much easier if the

generator‘s optional remote control panel is purchased. Connecting to the

generator’s remote panel also eliminates the need to make connections

inside the generator (and possibly violating the generator’s warranty).
The AGS controller provides three control relays (RY1, RY2, and RY3) to

operate the autostart/autostop functions of your generator. These relays are

dry contacts (does not provide any voltage or current) and operate only as

switches that turn on and off low amperage devices. They are not intended

to directly provide power to starter motors or ignition systems, rather they

are used to send a signal to operate the coil of another higher amperage

device which does the actual switching of power.

CAUTION: A fuse rated at 5 amps or less must be used to protect

each of the relays. The warranty does not cover damage to these

relays. Fuses should be located as close as possible to the generator

connection. A fuse must be used even if the circuit is providing only

a “dry contact” or “ground” connection—it will prevent damage if the

connection is miswired or damaged.

Info: To set the generator type—which determines the operation of

the AGS relays—see “GEN TYPE Setting” in the Setup section.

Info: Due to the different generator types and the various starting/

stopping wiring confi gurations used by generator manufacturers,

detailed wiring instructions are not provided in this manual. Please

refer back to your generator’s documentation for wiring details.
Info: For more information and to view diagrams on connecting

the AGS to the start/stop circuit on many generators, refer to the

“Generator Wiring Diagrams” section at www.magnumenergy.com.

Depending on your generator’s start and stop wiring requirements, you may

only need to use one relay (RY1) for fully automatic two-wire generators; two

relays (RY1 and RY2) for 3-wire generators; or all three relays (RY1, RY2,

RY3) for generators that require an independent bypass or preheat circuit.
The connection points to each relay is as follows (see Figure 2-7):
• Relay 1 (RY1) and Relay 2 (RY2)
Terminal #5: This is the Normally Open (N.O.) position of the RY1 relay.
Terminal #6: This is the Common (COM) position of both Relay 1 (RY1) and

Relay 2 (RY2).
Terminal #7: This is the Normally Open (N.O.) position of Relay 2 (RY2).
• Relay 3 (RY3)
Terminal #1: This is the Normally Open (N.O.) position of Relay 3 (RY3).
Terminal #8: This is the Common (COM) position of Relay 3 (RY3).

Installation