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The N322S is a controller for solar heating applications. It drives a water circulation pump based on the temperature differential between the solar collector and the thermal tank (or pools).
The instrument has two NTC temperature sensor inputs and two outputs: a control output to drive the water circulation pump and an auxiliary output. It also has functions that prevent pipe damage in winter and prevent overheating, avoiding pipe damage and thermal discomfort.
– The N322S has an SPDT relay output, 1 HP (16 A resistive) / 250 Vac for pump control, plus an SPST relay, 3 A (5 A resistive) / 250 Vac for the auxiliary output. – Temperature measuring ranges: NTC: -30 to +105 °C
– Differential control
– Anti-freeze setpoint
– Overheat protection setpoint
– 3½-digit LED display
– Sensor offset adjustment
– Adjustable hysteresis
– Configurable minimum and maximum setpoint limits
– Keeps its programming even during power outages
– Unit protection by configurable password
– Silicone keys for excellent durability
– Accuracy: 0.6 °C (NTC)
– Resolution: 0.1 °C between -19.9 and 199.9 °C
– IP65 front protection
– Sampling: 1.5 times per second
– Power supply: 100 to 240 Vac/dc ±10%
– Frequency: 50~60 Hz (standard model)
– Consumption: 5 VA
– Dimensions: 75 x 33 x 75 mm
– Panel cutout: 70 x 29 mm
– Weight: 120 g
– Operating temperature: 0 to 40 °C
– Storage temperature: -20 to 60 °C
– Options
RS485 interface with Modbus RTU protocol
Power supply: 12 to 24 Vdc
| Type | Refrigeration controller |
|---|
Temperature controllers
Temperature controllers
Temperature controllers
Temperature controllers