IMPORTANT
This function must be enabled in order for the AGS to
function properly.
SUBPANEL
The subpanel is a smaller 120 Volt breaker box containing the breakers for the circuits
which the inverter is wired to power. It is typically located near the main breaker box
unless the coach is equipped with an Energy Management System (EMS). In this case,
the subpanel is often located within the EMS panel. The subpanel is installed to limit the
AC power use to specific circuits when the electricity is supplied by the inverter. Some
inverters may be used to power a specific circuit. In this case, a subpanel is not used.
AUTOMATIC GENERATOR START (AGS)
On units equipped with AGS, the generator will start and
provide 120 Volt power if the incoming shore power voltage
is not present and startup parameters are met.
50 AMP ENERGY MANAGEMENT SYSTEM (EMS)
The 50 Amp Precision Circuits Energy Management System
is currently offered as standard equipment on all Canyon
Star, Ventana, and Dutch Star coaches. Its function is to
provide power management for certain 120 Volt loads and
as a system of energy management to minimize the
overloading and tripping of circuit breakers. The EMS
contains a main distribution panel with a self-contained
control module and a remote display panel, which is
typically located in the dash overhead electrical control
cabinet.
The EMS control module automatically senses the available
power being supplied to the coach. The module determines
whether it is connected to a 50 Amp (240 Volt) or the
generator. On 120 Volt service, it is unable to determine if
the source is providing 30, 20 or 15 Amp shore power.
Depending on available power, it can control up to seven loads.
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