INSTALLATION & OPERATING
INSTRUCTIONS
www.SurgeGuard.com
MODEL 40300
Optional Hardwire Remote Power Monitor
LCD Display w/ Navigation
Please read these instructions carefully.
In the event you have any questions concerning
use or care of this product, please contact TRC at
1-800-780-4324.
For use with Surge Guard Hardwire units, the optional Remote Power Monitor LCD Display is connected to a
Surge Guard unit via a RJ12 (6 pin) connector cable and conveniently monitors your electrical power anywhere
inside your RV remotely from the Surge Guard’s location.
This display allows you to see more detailed information such as voltages for Line 1 and Line 2 (typically 110120VAC), current draws, and status/conditions of the Surge Guard Hardwire unit. Electrical faults such as Low
Voltage or an Open Ground connection that cause the Surge Guard Hardwire to shut off power are shown on
the remote display, allowing you to retrieve via the joystick a log of the fault conditions kept by the Surge Guard
pf electrical power at your location.
The 40300 Remote Display is a helpful diagnostic tool that allows you to comprehend and correct problems
with your RV's power. The display also features an up/down navigation button/lever allowing navigation through
various informational screens.
Complete set of features and information
displayed includes the following:
• Main Screen: The Main Screen of the Display
is used to show a continuous status of the RV’s
electrical power. These include: incoming Line
Voltages and Currents (Amps) being used by the RV;
Reverse Polarity State which is a faulty shore power
condition; Delay State which is a waiting state that the
Surge Guard goes into whenever it is rst powered
up or whenever there is a fault with shore power. The
display will revert back to the Main Screen by default
if it is left in any other screen for more than 3 minutes.
Screen
Up
Fault Screen
Navigation
Screen
Down
R
• 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 hardwire unit.
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.
• Joystick Lever: to navigate through screens and
set the time and date.
TECHNOLOGY RESEARCH, LLC
A Southwire Company
5250 140th Avenue North ▪ Clearwater, Florida 33760
(727) 535-0572
MADE IN
HONDURAS
505-00127A
INSTALLATION INSTRUCTIONS
OPERATING INSTRUCTIONS
1. Determine a convenient location where the remote display can
be viewed. The display provides a continuous visual indication of
source voltages, load currents, and fault diagnostics. The RJ12 (6
pin) connector cable allows for installation virtually anywhere inside
the RV. It may also be installed in the same location as the Surge
Guard unit. Mounting is not necessary. Leave enough cable length
for accessibility. Balance of cable can be bundled with a plastic tie
wrap. Should a remote location be desired, route cable through the
coach as needed. (Cable ends and remote display must be located
in a dry interior location away from inclement weather and moisture.)
2. Suggested mounting procedure.
A. Remove cover plate. (Do not allow foreign matter to fall into
open box).
B. Using the open box as a template, mark outline on mounting
surface.
C. Allow room for connector cable.
D. Position box, with cable installed and secure with mounting
screws (not supplied).
E. Attach cover plate.
3. Connect Remote Display to Surge Guard using RJ12 (6 pin)
connector cable. The Remote Display can be connected to the
Surge Guard before or after the Surge Guard has been powered up.
FAULT CODE INDICATORS
REPLACE
SURGE
L1 LO
L1 HI
L2 LO
L2 HI
REV POL
L1 OPEN
L2 OPEN
DELAY
OPEN
GND
NEUTRIP
CUR=65A
Surge Protection Expended
Line 1 voltage is low (below 102 VAC)
Line 1 voltage is high (above 132 VAC)
Line 2 voltage is low (below 102 VAC)
Line 2 voltage is high (above 132 VAC)
Reverse polarity condition (hot wire and
neutral are swapped)
Line 1 connection missing or mis-wired
Line 2 connection missing or mis-wired
Delay mode waiting for power to come back
on
Open ground fault condition (ground wire
missing or mis-wired)
Current > 130%
Screen Navigation
Using the Button/Lever
There are several information
L1 VOLT
115 VOLT
L2 CURR
10 Amps
L2 VOLT
115 VOLT
VIEW
FAULTS
L1 CURR
10 Amps
115V 15A
117V 12A
screens associated with the
Remote Display which can be selected via the lever on the front of the
unit. Pushing the lever to the RIGHT repeatedly will access the screens
in the following order. Pushing the lever to the LEFT accesses the
screens in the reverse order.
On the 30A Surge Guard, the Remote Display will not show the L2 VOLT
or the L2 CURR screens, as they are not applicable.
When VIEW FAULTS screen is displayed, pushing down on the lever
accesses a log of faults which have been stored by the Surge Guard unit.
Viewing the fault log data will be explained in more detail below.
Display for Normal Operation
During normal operation, the Remote Display screen reads the status of
the RV electrical power, showing continuous voltages and currents for
power Lines 1 and 2 coming into the RV on the main screen.
Display During Fault Conditions
If there are any faults or problems with your electrical power, the Remote
Display will show the particular faults on the LCD screen with a 3 second
interval between each item. The faults displayed can be any combination
of the Surge Guard Fault codes, SEE FAULT CODE INDICATION.
Display During Delay State
When the Surge Guard is powered up, the Remote Display will display
"Delay" and the elapsed time in seconds until it reaches 128 seconds.
After the delay is completed, if shore power is good the Surge Guard will
connect power to the RV, and the unit will go to the Normal Operating
screen showing voltages and currents as described above.
L1 VOLT | L2 VOLT Screens
These screens are useful for viewing the line voltages
when the Main Screen is in Delay or when L1 or L2 have
a fault (line voltage that is too low or too high). The Main
L1 VOLT
115 V
L2 VOLT
115 V
Screen will display line voltage between 102 and 132
volts; otherwise it will show that the line has a fault. The L1 VOLT and
L2 VOLT screens however display a greater range, from 90 to140Volts.
The L2 VOLT screen is only shown when using a 50Amp Surge Guard.
L1 CURR | L2 CURR
These screens are useful for viewing the line currents in
amps when the Main Screen is in Delay or when it shows
that L1 or L2 have a fault. The L2 CURR screen is only
L1 CURR
10A
L2 CURR
10A
shown when using a 50Amp Surge Guard.
VIEW FAULTS Screen
This allows you to view the Faults recorded whenever the Surge Guard
detected a fault with electrical power. To view, momentarily push the
front lever DOWN or In. The screen will display Fault 1, which is the
most recent fault that occurred and was detected by the Surge Guard. To
see the next fault, push lever right, showing Fault 2. Keep pushing the
lever right to see up to 16 faults. Pushing the lever left goes backwards
through the faults.
To exit the fault screens, push the lever DOWN/IN momentarily, returning
to VIEW FAULTS screen from which you can navigate as previously
described.
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