Dometic Air Conditioning & Heating Accessories Automobile Accessories User Manual


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Circuit Breaker protects battery cables going to the inverter and protects the
inverter from overload.
Battery-Fuel Gauge indicates the state of the battery system. Use the Select
button to monitor battery voltage, battery current, battery capacity remaining,
and battery hours remaining.
Dometic Model Description
4123420 Circuit breaker – 200 amp DC
Dometic Model Description
4220506 Battery fuel gauge (DOM/HDM) 2 kW
Alternator
Battery 1
Battery 2
Battery 3
-
+
+
-
+
-
+
-
HVAC Unit
-
Battery 4
Battery 5
+
--
+
Battery 6
+
Overcurrent
Protection
120VAC Line
DC Wiring
AC Wiring
Shorepower Inlet
Y-Cord Splitter
to GFCI Receptacle
Cab Power
Outlet
Inverter with Shorepower Pass-Thru
Capability OR Inverter/charger
NOTES:
1) House batteries must be of the AGM dual-
purpose, deep-cycle/starting type.
2) Alternator should be upgraded. Discuss
with Dometic Applications Department
for recommendation.
3) Inverter type must be approved by Dometic in
order to ensure proper operation of system.
4) Cable size should be chosen based on
voltage drop and load. Cable to inverter
should be 2/0 gauge or greater. All cables
should have an ampacity rating greater
than the expected amp flow and/or the
overcurrent protection device.
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