Yes, the ice maker directly controls the water valve in a refrigerator.
The ice maker is responsible for initiating the water fill cycle when new ice needs to be made. It doesn't just use the water; it signals the system when and how much water is needed for the ice-making process.
How the Ice Maker Controls the Water Flow
The control mechanism is primarily electrical. Here's a breakdown:
- Call for Ice: When the ice maker has ejected a batch of ice and is ready to freeze the next batch, it initiates a call for water.
- Switch Activation: The ice maker contains a switch that activates at this point.
- Circuit Closure: Activating this switch closes an electrical circuit.
- Valve Energization: Closing the circuit sends electrical power to the water valve. As stated in the provided reference, "When the icemaker calls for ice, its switch closes an electrical circuit and energizes the solenoid-operated water valve. This allows water to flow through the valve and into the ice cube tray."
- Water Flow: Energizing the solenoid-operated water valve causes it to open, allowing water to flow from the water line into the ice maker's mold.
- Fill Completion: The ice maker typically uses a timer or sensor to determine when enough water has filled the mold, at which point it de-energizes the valve, closing the water flow.
This process confirms that the ice maker unit holds the primary control over the water valve's operation, dictating when and for how long the valve is open to supply water for ice production.
