Spring Air Systems Truflow-TC Installation and Operating May 2021
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Truflow-TC Touchscreen
Installation & Operating Manual
Introduction
The average commercial kitchen exhaust system operates 12 to 18 hours per day. Today’s kitchen systems
exhaust at 100% capacity whenever they are turned on regardless of that number of appliances or amount
of cooking that is going on under the hood. The cook will arrive at 7:00 a.m. in the morning and switch the
system on for the day. The system is not shut off until the last person leaves the kitchen at the end of the
day. The reality is that the amount of actual high capacity cooking is a very small part of the total
operating day.
Unfortunately when the exhaust runs continuously at full volume all day, so will the fresh air supply unit
heating and cooling fresh air to replace the exhaust from the kitchen.
The Truflow-TC system reduces the amount of air exhausted from the kitchen to match the amount of
cooking. As more appliances are used the exhaust and supply volume increases, as less appliances are used
the exhaust and supply volume decreases.
What does Truflow-TC Do?
Truflow-TC will automatically reduce the exhaust and supply air into the kitchen whenever appliances are
not used at full capacity. The Truflow-TC is a simple, inexpensive way to achieve energy savings by
reducing the exhaust and supply volume required for your commercial kitchen. When the appliances are
not used and the related heat is turned down or off, the Truflow-TC automatically senses this reduction and
decreases the amount of exhaust and supply to match exactly what is happening under the exhaust hood.
The Truflow-TC duct mounted J-Couple monitors the hood exhaust temperature, which fluctuates based on
the amount of appliances operating under the exhaust hood. As the amount of cooking increases, the
exhaust duct temperature rises and reaches equilibrium temperatures.
The duct temperature could reach as high as 150F and as low 65F depending on the following factors:
•
Kitchen room temperature
•
Total exhaust volume
•
BTU rating of each appliance
•
Total Volume of makeup
•
Temperature of Makeup air
•
Where the makeup air is introduced back into the kitchen,
•
Type of hood over the appliance.
Finished C eiling
Exhaust Duct
Exhaust Fan
J-C OU P LE
Appliance Lineup
F inished F loor
Exhaust Ho od
To uchscreen
Roo f Deck
F RESH A IR
M akeup A ir U nit
Variable F requency Driv e
The Truflow-TC System
