N321S-24V Differential Temperature Controller, 12 to 30 VDC Powered

Available for backorder
  • Weight
    0.3 kg
  • SKU
    CET-034

Novus' differential temperature controller is designed for solar water heating applications. Two NTC-type temperature sensor inputs and one control output. 12 to 30 VDC Powered.

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The N321S is a controller for solar heating applications. It typically commands a water circulation pump through the temperature differential between the solar collector and the thermal reservoir or pools.

The controller has two inputs for NTC-type temperature sensors (supplied with the controller) and one control outlet for activating the water circulation pump.

It also includes function for preventing damage to during deep winter and high summer, thereby preventing plumbing damages (burst pipes) and thermal discomfort.

CE (European Union) and UL (United States and Canada) certifications compliant.

Please note: To increase the sensors' life span, it is recommended that the sensors are either installed inside a thermowell that is carefully designed to avoid water logging due to condensation or have the sensors attached to the exterior of the tank

Power Supply: 12 to 24 VDC

Power consumption: 5 VA

Input: Two -50 °C to 120 °C NTC sensors (supplied)

Control output: One SPDT relay outlet, 1 HP(16 A resistive)/ 250 Vac

Display: 3½ Digit LED Display

Accuracy: 0.6 °C (NTC)

Resolution: 0.1 °C from -19.9 to 119.9 °C

Sampling time: 1.5 time per second 

Operating temperature: 0 to 40 °C 

Storage temperature: -20 to 60 °C 

Protection:

  • Front Panel is IP65 rated
  • Box is IP42 rated with polycarbonate material, UL94-2

Weight: 120 g

Panel cutout: 70 x 29 mm

Dimension: 75 x 33 x 75 mm

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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