SWT03335 Flow Sensor

Code: SWT03335
Trane SWT03335 Thermal Flow Switch
Trane SWT03335 Thermal Flow Switch
Trane SWT03335 Thermal Flow Switch
Trane SWT03335 Programmable Flow Sensor

Flow Switch/sensors monitor the flow velocity or flow rate of gaseous or liquid media thus ensuring optimum operational sequences. The measurements are reliable and wear-free and include additional data such as temperature values. Deviations from individual threshold values that could lead to impaired quality, damage, or downtimes can be detected at an early stage, allowing preventive measures to be adopted.

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Description

Trane SWT03335 Switch; Flow Sensor Thermal (X13790871040)

Programmable Thermal Flow Sensor SWT03335 details;

  • Trane Chiller Thermal Flow Sensor, Switch Disp. 24V AC/DC 60 CM/S.
  • Original Trane OEM Components
  • Trane Part Number: SWT03335
  • Model Number: X13790871-040 / X13790871040
  • IFM Part Number: SC0525 Electronic Flow Switch
  • Commonly Used on Trane AquaStream™ 2, AquaStream 3G™, CenTraVac™, City™, Flex2O™,  Flex II, Lyra™, Series R™, Series E™ CenTraVac™, Sintesis™ Advantage, Sintesis™ Balance, Sintesis™ Excellent, Sintesis™ Prime, XStream™, XStream™ Excellent chiller Models.
  • Replaces / Supersedes: SWT03335, SWT3335, SWT-3335
  • For water units use SWT03335 and for glycol units use SWT03334. The cable for CGAM units is WIR05141 and the cable for RTAC units is WIR06554
Chiller documentation can be downloaded from the below links;
Thermal Flow Switch

There are many applications where knowing whether there are flow or no-flow conditions of a fluid in a pipe is important.  A thermal flow switch is an option to consider to provide such a positive indication of flow or no-flow conditions.  Detecting flow conditions also can be accomplished using an electromechanical paddle-type flow switch.  However, a thermal flow switch operates without any moving parts and therefore is more reliable.

A thermal flow switch, also known as a thermal dispersion flow switch,  is a precise flow-sensing device.  The principle sensing method is that of heat diffusion.  According to Wikipedia, “The operation of thermal dispersion flow sensing is attributed to L.V. King who, in 1914, published his famous King’s Law revealing how a heated wire immersed in a fluid flow measures the mass velocity at a point in the flow. King called his instrument a “hot-wire anemometer”. However, it was not until the 1960s and 1970s that industrial-grade thermal dispersion devices finally emerged.”

A typical thermal flow switch consists of two temperature sensors.  One sensor measures the temperature of the fluid when the sensor probe is immersed in the liquid.  The other temperature sensor is heated by a constant power.  This creates a temperature difference between the two sensors.  A temperature difference is an inverse ratio to the flow velocity.  Advantages of the thermal flow switch over the electromechanical paddle-style flow switch include:

  • Higher sensitivity,
  • Fewer installation restrictions,
  • No moving parts or wear and tear.

Additional information

Weight 0.8 kg
Dimensions 15 × 15 × 10 cm
Unit Brand

Trane
Ünite Modelleri

AquaStream 3G™
Product Group

Flow Switch, Temperature Sensor

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