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ELECTRICAL
Source(s): Southwire Surge Guard Installation and Operating
Instructions Model 40450RVC/ Southwire Surge Guard Model 40450
RVC Troubleshooting Guide
Product(s): Southwire Surge Guard 50 Amp Automatic Transfer Switch
(Model: 40450RVC, Newmar Part Number: 152216)
Test Procedure
1. Plug RV’s shore power cord into utility power source.
2. Wait for the time delay, then observe remote display
of shore power status.***
3. Turn on RV’s generator (generator power source is
dominant over shore power). A 30 second delay will
occur.
4. Observe remote display for generator output status
(Volts/Amps).
Surge Guard Automatic Transfer Switch Remote LCD
Display Operation (Model: 40299)
This article provides basic operation instructions for a Surge Guard Automatic Transfer Switch Remote LCD Display
(Model: 40299).
The optional Remote LCD Display is intended for use
with Automatic Transfer Switch (ATS) unit 40350-RVC or
41390-RVC.
The Remote Power Control allows you to see detailed
information such as voltages for Line 1 and Line 2,
(typically 110-120VAC), current draws (0 to 50Amps),
and status and conditions of the ATS, including time
and date. Electrical faults, such as low voltage or an
open ground connection, that cause the ATS to shut off
power are shown on the remote display, allowing you to
retrieve via the joystick a log of fault conditions kept by
the ATS of electrical power at your location.
This is a helpful diagnostic tool that allows you to
comprehend and correct problems with your RV’s power.
The display also features a right/left navigation lever
allowing navigation through the various screens.
5. Switch off generator, observe remote display of
transfer “Delay Active-Shore Power.”
6. Shore power activated, observe remote display
(Voltage/Amps). ***Acceptable shore and/or generator
power range is 100-135 Votls. Load (Amperes) 0-50
Amps.
Note: During generator (only) power-up, the monitor
display will be blank for approximately 30 seconds for
generator warm-up.
Features and Displayed
Information
MAIN SCREEN
•
Display of normal operating voltages and currents,
for example 120V 25Amps for each Line (240V
system). Shore power or generator power.
•
Display of faulty power conditions responded
to by ATS such as low voltages, high voltages,
open ground, open neutral, reverse polarity, high
frequency, etc.
•
Display of delay condition when recovering from
faulty conditions.
L1/L2 VOLT AND CURRENT SCREENS
Displays line 1/2 voltage or current. This is handy as it
allows you to view the voltage or current when there is a
fault condition being displayed on the main screen.
FAULTS SCREEN
Allows you to view a history of up to 50 faults which
have been logged by the ATS. Each fault that has been
logged contains the fault, the voltages and currents
at the time of the fault, and the time and date when it
occurred.
TIME/DATE SCREEN
Displays the current time and date and allows you to set
the current time and date on the ATS unit.
JOYSTICK LEVER
To navigate through screens and set the time and date.