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How to Calibrate the FILTERSCAN Air Filter Monitor

Posted by CleanAlert Blog Team on Aug 14, 2014 7:30:00 AM

How to calibrate the FILTERSCAN air filter monitorOnce the FILTERSCAN® is installed, the next step is to calibrate the device.

(This article is part 2 in a 3 part series about how to install, how to calibrate and how to operate the FILTERSCAN air filter monitor.)

Part 2: How to Calibrate the FILTERSCAN

The FILTERSCAN monitor calibrates itself to the unique parameters of your HVAC system. It does so by determining the internal air pressure of an HVAC system using a clean filter as a baseline reading. As the filter becomes dirty, the system’s pressure changes due to the increasing resistance from particulates caught in the filter. Once this pressure reaches approximately two times the initial baseline level, the FILTERSCAN and FILTERSCAN WiFi alerts homeowners that a new filter is required.

Everytime you replace a dirty air filter with a clean one, you'll need to calibrate your air filter monitor. Simply follow these these step-by-step instructions, also detailed in this 2:07 min installation video (which you'll find embedded at the end of this article):

1. Turn OFF your HVAC system: Typically, this is accomplished by setting your thermostat to the “off” postion and/or turning power off to your central air/furnace.

2. Install a New Air Filter or clean your washable filter.

3. Depress the ZERO/CLEAN button ONCE. The STATUS LED will blink yellow for several seconds while the FILTERSCAN® records the system’s FAN OFF condition, then turn to blinking green.

4. Turn your HVAC system ON at your thermostat, or system power switch if you had turned the system off by that method. You can accomplish this by changing your home temperature by at least ten degrees in either direction, higher while in heat mode, lower while in A/C mode.

5. After allowing one minute for the blower fan to turn on and stabilize, depress the ZERO/CLEAN button again. The STATUS LED should turn from blinking green to blinking yellow for several minutes. This indicates that the unit is calibrating itself to the air filter and HVAC system into which it is installed. During this time, the air filter monitor records the initial system pressure using the new, clean air filter. Once calibration is completed, the STATUS LED will blink green a few times then turn off.

6. After the blinking green light turns off, return your thermostat to normal operating temperature.

Your FILTERSCAN is now calibrated. Remember, the unit must be recalibrated each time a new filter is installed.

Here is the 2:07 minute FILTERSCAN calibration video:

If have any problems during monitor installation or calibration, do not hesitate to e-mail us at techsupport@cleanalert.com or call us at (888) 414-FLOW (3569)

Stay tuned for Part 3 in this series: how to operate the FILTERSCAN air filter monitor.

Topics: Residential, Installation

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