Dc Voltage Requirements - Dometic S1521 Service Tips Manual

AC COMPONENTS
HEATING ELEMENT
Remove the heater leads from the lower circuit board and measure for proper resistance .
You should obtain the following readings ± 10%:

DC VOLTAGE REQUIREMENTS

The operational range of the unit is a minimum of 9.6V DC to a maximum of 22V DC, the unit will
automatically shut down until voltage has decreased to 18V DC. The refrigerator requires at least 9.6V
DC for proper operation; however the panel lights will continue to illuminate until voltage has dropped to
4V DC or below.
Do not use the body or chassis of the RV as a substitute for either of the two conductors. Proper polarity
is crucial for refrigerator operation.
MODEL WATTS
S1521 185
S1531 195
S1621 325
S1631 325
S1821 325
S1831 325
RM2607 295
RM2611 295
RM2807 325
RM2811 325
RM3607 295
RM3807 325
RM3662 325
RM3663 325
RM3862 325
RM3863 325
RM4872 325
RM4873 325
VOLTS OHMS
120 78
120 78
120 44
120 44
120 44
120 44
120 48
120 48
120 44
120 44
120 48
120 44
120 44
120 44
120 44
120 44
120 44
120 44
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