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The unit recirculates air. However,
every hour, the unit exchanges
air for 6 minutes so that
it can obtain a reading
of the outdoor temperature*.
R
ECIRCULATION MODE (RE-CIRC)OFF MODE
The unit is off.
The outdoor temperature*
is not displayed.
2.3.2 USING 40425 CONTROLLER (CONT’D)
2. CONTROLS (CONT’D)
The unit operates on a 60-minute cycle.
For the first 40 minutes, the unit recirculates
air or is off (See configuration parameter 2
in Section 2.3.3). For the last 20 minutes,
it exchanges air. However, if the outdoor
temperature* is too high or too low (see
configuration parameters 3 and 4 in
Section 2.3.3), the unit recirculates air
during the last 20 minutes.
Off in
Auto mode
Air exchange in
Auto mode
Air recirculation
in Auto mode
AUTOMATIC MODE (AUTO)
- 7 -
* The outdoor temperature reading is taken from the unit
FRESH AIR FROM
OUTSIDE
port; due to the lenght of the insulated duct, the reading is slightly
different from the real outside temperature.