AC/DC
We often get calls from customers about why their refrigerator won’t turn on even though it’s got 120 Volts at the plug, so I feel like a quick explanation of the electronics and electricity required would benefit everyone. There are three main systems in a standard ammonia refrigerator used by the RV and Boat industry. The control board system, the electric heating system, and the propane system. Each of these systems is powered differently. To fully operate the refrigerator in any mode all three systems must be in good working order. Each system and it’s primary criteria for correct operation are explained below. Control Board System: This system consists of the front panel controls as