![background image](http://html.mh-extra.com/html/carrier/etn/etn_installation-instructions-manual_2564090015.webp)
- 15 -
- 22 -
40
S
E T
On / Off M o d e F a n
7.6 Filter alarm adjustment.
Press the
On/Off
button for 7 seconds. 50 will appear on
screen.
Press the (
+
) button until 80 appears, then press the
On/Off
button. The number of hours that the Unit has been running
since the last reset made will appear on screen.
Press the (
+
) or (
-
) buttons to adjust the filter change alarm.
(Range: 0, 100, 200, ..., 900 hours). This is 400 hours by default.
The adjustment displays the number of hours divided
by 10 (e.g. «40» are 400 hours).
If the value 0 is set, the filter alarm option is cancelled.
When the thermostat reaches the time indicated, the screen will
flash, showing the atmospheric temperature and «
FI
»
alternatively.
To cancel the alarm, keep the
Fan
button pressed down for 15
seconds.
FI
O N
On / Off M o d e F a n
EC
O N
S
E T
On / Off M o d e F a n
7.7 «EC» alarm signal.
The bushing marked with the letter «
E
» are for free voltage contact
(normally open).
When an alarm is triggered, the thermostat screen will show the
atmospheric temperature and «
EC
» alternatively. Once the problem on
the Unit has been solved, the thermostate will automatically return to its
operating mode.
No alarm is displayed when the thermostate is switched «
OFF
».
05-05-05
Micro No.
Position
MICROS BLOCK S1
1-3-4-5-6
O F F
2
O N
Micro No.
Position
MICROS BLOCK S2
2
O F F
1-3-4-5-6
O N
NON-PROGRAMMABLE THERMOSTAT
MODELS « 50HZ 020-040 » WITHOUT FREE-COOLING
REF.- ETN.06
Y 1 G
7 2
C
R
Y 1 G Y 2
S W 2
E
S
E W 1 O
C
R
Y 2
O
THERMOSTAT TERMINALS
UNIT ELECTRICAL BOX TERMINALS
(Heat pump Models)
NOTE
Before
connecting the
alarms, read pages
34
and
35
of this manual.
SEE
NOTE