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ENGLISH 15
HVAC SYSTEM POWERED BY INVERTER AND SEPARATE BATTERY BANKS WITH BATTERY SEPARATOR
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.
A
lternator
Start
Battery 1
Start
Battery 2
Inverter
-
+
+
-
+
-
HVAC Unit
-
House
Battery 2
House
Battery 3
+
--
+
House
Battery 4
+
Overcurrent
Protection
Battery
Separator
120VAC Line
DC Wiring
AC Wiring
+
-
House
Battery 1
3) Inverter must be of approved type by Dometic
in order to insure 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 of greater
than the expected amp flow and/or the
overcurrent protection device.
Battery-Powered Systems Installation Guidelines