www.lennoxemea.com
PCUS Thermostat - User Manual - 0821EN
7
2.9 DISPLAY OF TEMPERATURE VALUES
By pressing and holding the On / Off key, the number of the probe currently displayed is displayed on line 1. Keeping
the key pressed, the various probes connected are scrolled in sequence.
When the key is released, after a few seconds the display returns to the default probe which is the room temperature
probe.
If the unit is not equipped with temperature probes, there will be no temperature displayed in line 1.
If the probe is faulty or disconnected, the message Ex is displayed in line 1 where x takes on the value of the faulty
probe. When normal probe operation is restored, the error disappears automatically.
The probes, if present on the unit, are identified as follows:
1 = Ambient air temperature probe
2 = Outside air temperature probe
5 = Inlet air temperature probe
6 = Expelled air temperature probe
2.10 CHANGE TIME AND CURRENT DAY
By pressing at length the M key, you enter the hour and day of week modification mode.
When you enter the change change mode, the minute digits begin to flash, change them with the + and - keys.
By pressing the M key you can change the time and then the day.
• By continuing to enter the time slots settings menu.
• There are two daily time bands identified with numbers from 1 to 4 with a weekly program, where you can set
the time bands for the period Monday-Friday, for Saturday and for Sunday (therefore it is not possible to have
different working days).
2.11 TIME BANDS SETTING
To set the time bands, enter the time and day setting menu. By continuing to set the time bands.
The setting is done in sequence and the time bands are set for week 1 which identifies the days from Monday to
Friday, week 6 which identifies Saturday and week 7 which identifies Sunday.
The following can be selected: ventilation speed, temperature set point and time of band activation.
To activate / deactivate the time programming, long press the ventilation button
2.12 EXAMPLE OF PROGRAMMING TIME BANDS
This example illustrates step by step the procedure to set the unit to switch on from 8.00 to 12.00 and from 13.30
to 17.30 with different speed and temperature sets for the two time bands from Monday to Friday and to leave the
unit off on Saturday. and the Sunday.
1.
Long press the Mode key until the current hour and day are displayed, with the minutes flashing.
2.
Briefly press the Mode key several times until you reach the setting screen of the first time band identified by
the wording week 1 and the number 1 in the last line of the display.
3.
At this point, the word ON or OFF is flashing at the bottom right, which represents the desired action for turning
the unit on / off. To change it, simply press the + or - keys while it flashes. Set the word ON for now.
4.
By pressing the M key once, the figure in the first line at the top starts flashing, which represents the desired
speed for the fan (1 = low, 2 = medium, 3 = high), with key + set the desired speed (in this example 3, i.e. high speed).
5.
By pressing the Mode key twice, the temperature indication that represents the desired temperature set starts
to flash, you can change it with the + or - keys (in this example 22.0 ° C).
6.
Press the Mode key again to switch to the minutes indication, which can
be set with the + or - keys.
7.
Press the Mode key again to switch to the hour minutes, which can be
set with the + or - keys.
8.
At this point, band 1 has been set, valid for the days from Monday to
Friday, in the photo beside you can see how it looks for the example shown
