Differential temperature controller N321S

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N321S


Differential temperature controller

The N321S is a controller intended for solar water heating applications. It controls the water circulation system based on the difference of temperature between the solar collector and the storage tank (or swimming pool).


The instrument contains two NTC-type temperature sensors and a control output for activating the water circulation pump. It provides protections against overheating and freezing to the piping, preventing damages to the system.



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- NTC Thermistor: 10 kΩ @ 25 °C, range: -30 to +105°C (-22 to 221 °F), Accuracy: 0,6 °C (1,1 ºF)
- Sensor interchangeability: 0,75 ºC (1,35 ºF)
- Measurement Resolution: 0,1º from –19.9 to 119.9º
- Output: Relay SPDT, 1 HP 250 Vac / 1/3 HP 125 Vac (16 A Resistive)
- POWER SUPPLY: 100 to 240 Vac/dc ±10%
- Optionally: 12 to 30 Vdc/ac
- Mains Frequency: 50~60 Hz
- Power Consumption: 5 VA
- Dimensions: 75 x 33 x 75 mm
- Weight: 100 g
- Panel: 70 x 29 mm


        
        
3/30/2009

Flyer N321S

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7/18/2018

Flyer Eletronic Thermostats NOVUS

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4/16/2021

Operating Manual N321S

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9/14/2021

Table Register for Serial Communication - N321S

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6/9/2021

CE - D.O.C. Temperature Controllers

CE Declaration of Conformidity.

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9/6/2021

UKCA - D.O.C. Temperature Controllers

UKCA Declaration of Conformidity

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7/21/2014

2D Housing Drawing - N32x

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9/15/2020

Selection Guide - Thermostat

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