Table of Contents
What is Frostat?
The FROSTAT system protects the coil beyond the capabilities of hot gas bypass, down to 5% of the rated airflow of the unit. Reduces energy costs up to 60% The FROSTAT system saves energy compared to hot gas. bypass because the compressors do not run continuously.
What is the difference between W1 and W2 on a thermostat?
In a conventional system, W/W1 controls your heating system and, where applicable, W2 controls your heating system’s second stage, which helps warm the home faster. If you have a heat pump system with auxiliary heating, you’ll normally connect the AUX/AUX1 or W2 wire to the ecobee’s W1 terminal.
Can you jump W1 and W2?
If W1 is only wired up, it will always run in 1st stage, 2nd won’t come on unless W2 is wired to a two stage t-stat, or jumper to it.
Do I need a freeze stat?
A: You should use a freezestat to protect your water coils from freezing. Rooftop units with water coils should always have freezestats, even if using a water/glycol mixture. Typically the heating coil would be upstream of the cooling coil. Usually the freezestat is attached on the leaving side of the heating coil.
Why would a Freezestat trip?
The freeze stat will trip if the capillary tube senses air at, or below, this temperature. Sometimes maintenance personnel increase the setpoint thinking that “warmer” is better, when in reality they are increasing the range in which the freeze stat will trip.
What type of heat does W1 control?
W1 – Means first-stage heat. In a heat pump, first-stage heat is the same as the first-stage cool. It just means the contactor/compressor is turning on. Whether that is heat or cool is actually dictated by whether or not the O/B terminal is energized.
What causes a freeze stat to trip?
Where do you put freeze stats?
Normally the freeze stat goes on the leaving face of the heating coil set at 38F. Sometimes with a hot water coil there will be a small freeze protection pump as part of the piping system to rat race water around at the coil to keep it from freezing in the event of a heating plant failure.
How do I reset my Freezestat?
Freezestats are designed to be reset manually by someone physically pushing the button back in on the control box.
What is a Freezestat alarm?
A freezestat is a low-ambient-temperature-limit control device. It is the standard control used to achieve water-coil low-temperature protection. If air temperature at a coil drops to just above freezing, a freezestat changes over its contacts and initiates protective action.
What’s the difference between W1 and W2?
W1 is the classification we use for galvanized steel hose clamps (according to DIN3017) that are used in no-corrosion environments. W2 is the classification for stainless steel hose clamps (combination of AISI430 and zinc plated screw) that can be used in corrosion sensitive environments.
How do I reset freeze stats?
Why does a Freezestat trip?
What is the purpose of a Freezestat?
What is rtrm in a refrigerator?
ReliaTel™ Refrigeration Module (RTRM) is a standard component of the unit. This is the heart of the system, the computer and program reside in this module. The typical basic stand-alone system will include the ReliaTel™ and ZSM.
Why Trane rooftop units?
Trane rooftop units check all the right boxes. Adaptable, Flexible Rooftop Solutions For Virtually Any Building Trane rooftop units offer superior indoor air quality, industry leading energy efficiency, hassle-free installation – everything you need for new construction or replacement projects.
Why choose a Trane furnace?
That means a full 90% of the fuel you pay for is converted into cozy heat you can use. Innovative Trane technology and our industry-leading testing standards mean these furnaces will heat your home for years.
Is there a variable speed unit with Trane link communication?
Communication between these indoor and outdoor units is essential for this system to run smoothly, so variable speed units come built in with Trane Link Communication. Call a dealer to discuss your options as pricing varies depending on the units you choose. Check out the list of units compatible with a variable speed system.