IQAir 1BB.UA0.DGU Use and Care Manual download pdf (Page 14)

4.4.2 Filter Life Monitor

The IQAir system is equipped with an electronic Filter Life Monitor that calculates the remaining life of the sys tem’s

filter elements. Thanks to the Filter Life Monitor, the user does not have to guess when filters need to be replaced or

replace them at fixed intervals (which rarely correspond to the actual amount of use). The Filter Life Monitor keeps

track of the most important factors affecting the life of the individual filter elements. The Filter Life Monitor display

shows the remaining life of each individual filter at any given time at the selected fan speed.

1. To reach the Filter Life Monitor display from the main display win dow, press

the Menu key once. The remaining life of the PreMax filter will appear.

2. Press the  key to view the remaining life of the other filters in

the system.

3. The remaining life of the filter elements is expressed in hours of operation at

the current speed setting. Filter Life will adjust whenever the fan speed is

changed. If the filter is beyond its useful life, a negative number will be

displayed.

How the Filter Life Monitor Works

The basis for calculating the remaining filter life is the already elapsed operation time at the set fan speed. This input

is compared with an internal memory bank which contains infor mation about the different filters’ lives under specific

conditions of use.

The Filter Life Monitor makes a calculation of the remaining filter life, taking into account not only past use of the

system, but also likely future use. As reference for future use, the Filter Life Monitor uses the fan speed which is set

at the time.

The relationship between the current fan speed and the remaining filter life displayed can be expressed as follows:

• The higher the current fan speed setting, the shorter the displayed remaining filter life.

7. Filter Life Reset

Allows the resetting of the filter life counter after replacing a filter.

8. Airflow Units

Allows to switch the airflow units between cfm (cubic feet per minute)

and m

/h (cubic meters per hour).

9. Language

Allows to switch the display language.

10. Current Model

Allows to update the control panel for an upgrade from a HealthPro

to a HealthPro Plus model.

11. Service Access

This menu is designed for factory access only.

Chapter 4 – Using the Control Panel

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IQAir 1BB.UA0.DGU Use and Care Manual Page 14