Trane SWT2291 SPNO Negative Pressure Switch

SPNO Negative Pressure Switch

The Trane SWT2291 SPNO Negative Pressure Switch is a part of the Trane XR11 heat pump systems

The Trane SWT2291 SPNO Negative Pressure Switch is designed to help your Trane HVAC system operate efficiently

The Trane SPNO Negative Pressure Switch is designed for use with air-cooled central air conditioning and heat pump systems

The Trane SWT2291 SPNO Negative Pressure Switch is designed to control the operation of the humidifier in a heating, ventilation and air conditioning system

The SPNO switch will sense the pressure drop across the indoor coil and signal the outdoor fan to start operating, thus providing conditioned indoor air when outdoor temperatures are high

The system automatically shuts off when this switch is tripped

The switch is UL listed and offers a 10-year warranty when it's used with Trane equipment

The Trane SWT2291 SPNO Negative Pressure Switch is a positive on/off switch that monitors negative pressure in filter/drier and makes sure it stays at zero

This switch can be easily installed in a standard electrical box, and it can be used with the entire line of split-system air conditioners and heat pumps made by the manufacturer

05 in

The Trane® SWT2291 SPNO Negative Pressure Switch is designed to activate a ventilation fan when the pressure in the occupied space falls below 0

Trane’s SPNO Negative Pressure Switch is an exciting new addition to the Trane XR Series

This switch performs two functions, both of which are extremely important: it helps keep your home comfortable by managing airflow; and it helps keep you safe by preventing carbon monoxide buildup

The Trane SWT2291 SPNO Negative Pressure Switch is a component in your air conditioning system that provides air to your home when the outdoor pressure is lower than the indoor pressure

wc (50 Pa) and turn off the fan when relative humidity reaches 80%

The unit is provided with an overrides to revert the humidifier back on when there is no negative pressure present at the switch

The switch may be installed in new or retrofit ductwork to prevent damage to building components caused by excessive moisture penetration due to negative pressure in buildings

In order to do its job, the SPNO uses an electrostatic discharge (ESD) sensor to detect leaks in your ductwork and other areas around your HVAC system

It's engineered for quiet operation, and when it's installed correctly, this switch will regulate your air conditioner's performance to ensure that you maintain comfortable indoor temperatures throughout the year

The switch also shuts off the blower if the coil drains and therefore pushes back into space

The Trane SWT2291 SPNO Negative Pressure Switch is a part of Trane’s exclusive technology to protect your home

It shuts off the air handler if there are no return air ducts, or if the check valve fails to shut off the blower door

If a leak is detected, the ESD will trigger the Trane XR Series fan motor to run continuously until further instructions are given

This switch sends out a low pressure alarm, indicating a pressure loss in the refrigerant line

This switch has been developed with a pressure-sensing diaphragm to detect negative pressure (vacuum) conditions within the ductwork