By-Pass Sizing Calculator

Often with zoning systems a By-Pass is needed to relieve excess air when only a small zone or number of small zones cannot deliver the required air flow thru the HVAC System. A by-pass is often ducted back into the return air or into non-critical, common conditioned temperature areas such as entry ways, hallways, basements, etc.

Select your Maximum Total System Cubic Feet per Minute (CFM), then enter the CFM of your Smallest Zone to calculate the type of By-Pass Damper you require.

Note: If the By-Pass CFM amount is 30% or less of the Total System CFM, No By-Pass is required.

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SPRD08

The By-Pass Damper you are looking for is SPRD08.

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SPRD09

The By-Pass Damper you are looking for is SPRD09.

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SPRD10

The By-Pass Damper you are looking for is SPRD10.

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SPRD12

The By-Pass Damper you are looking for is SPRD12.

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SPRD14

The By-Pass Damper you are looking for is SPRD14.

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SPRD16

The By-Pass Damper you are looking for is SPRD16.

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RDM18-SPC

The By-Pass Damper you are looking for is RDM18 w/SPC.

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RDM20-SPC

The By-Pass Damper you are looking for is RDM20 w/SPC.

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ZDSM2020-SPC

The By-Pass Damper you are looking for is ZDSM2020 w/SPC.

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ZDSM2420-SPC

The By-Pass Damper you are looking for is ZDSM2420 w/SPC.

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ZDSM3024-SPC

The By-Pass Damper you are looking for is ZDSM3024 w/SPC.

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Bliss System™ Part of the Internet of Zoning – IoZ™


Introducing the Bliss System™ Part of the Internet of Zoning – IoZ™

The Bliss System – Internet of Zoning™ makes zoning a new or existing home much easier with Invis-A-Stat™. Invis-A-Stat is a patented combination light switch and thermostat that can help solve the problem of rooms being too hot or too cold. Invis-A-Stat and Bliss can provide room-by-room temperature control without the obstacle of running wires for a separate thermostat or having a massive mini-split on your wall. Through the Bliss by ZONEFIRST app, you can control both lighting and temperature in designated zones or rooms. Invis-A-Stat fits in any standard light switch box with a standard rocker switch plate.

Additional system components are the HVAC Control Module (HCM), the Wireless Damper Sensor (WDS) & the Zone Control Gateway:

ioz_system_layoutv2
zcg

ZCG – The Zone Control Gateway is the central means of communication an our IoZ System app to communicate over the internet no matter where you.

ZCG Overview PLACEHOLDER

lst with temp

Invis-A-Stat™ / LST – Invis-A-Stat™, or Light Switch Thermostat, or is our patented combination light switch and thermostat that only requires power.

LST Overview

WDS – The Wireless Damper Sensor communicates wirelessly with the components of the IoZ System and send power to each pluggable damper. The WDS is also used for each zone to monitor the damper position, duct temperature, pressure, humidity and later IAQ

WDS Overview

hcm

HCM – The HVAC Control Module is used to activate the HVAC System for either heat or cool calls. The HCM also communicates wirelessly with the other components of the IoZ System but must be wired to the HVAC unit for operation.

HCM Overview

View our Internet of Zoning – IoZ manuals as step-by-step guides:

IoZ System Overview

App Overview

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Internet of Zoning – IoZ - Wi-Fi App Based Zoning

Complete this form if you are interested in learning more about IoZ System.

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