![background image](http://html.mh-extra.com/html/carrier/etn/etn_installation-instructions-manual_2564090012.webp)
- 25 -
- 12 -
23
H e a t
O N
Auto Fan
º C
On / Off M o d e F a n
23
H e a t
O N
A u x
Auto Fan
º C
On / Off M o d e F a n
23
C o o l
O N
Fan
º C
On / Off M o d e F a n
6.3 Unit operating mode selection
Press the Mode button to choose the operating mode:
1.- When pressed once,
Heat
will appear on screen (Heat Mode)
2.- When pressed twice,
Cool / Heat
will appear on screen (Auto Mode)
3.- When pressed 3 times,
Fan
will appear on screen (Fan Mode)
4.- When pressed 4 times,
Cool
will appear on screen (Cool Mode)
The operating mode will
flash
on the thermostat screen. While
the thermostat is timed, the operating mode will be
permanently
displayed.
6.3.1 Emergency heating, can only be selected on Heat
pump units.
This is enabled by pressing the
Mode
button for 5 seconds.
To cancel emergency heating and return to heat pump mode,
press the
Mode
button for 5 seconds.
6.4 Fan/Auto Fan operating.
Press the
Fan
button to change the
Fan/Auto Fan
operating
mode.
In
Auto Fan
mode the fan will only operate when there is a
demand for heat or cold, i.e. when the unit compressors and
fans are working.
10-06-05
Micro No.
Position
MICROS BLOCK S1
1-3-4-5-6
O F F
2
O N
Micro No.
Position
MICROS BLOCK S2 (*)
2-4-5
O F F
1-3-6
O N
NON-PROGRAMMABLE THERMOSTAT
MODELS « 50VZ / 38VZ + 40PZ 015-030 »
«50TZ / 38FZ + 40BZ / TZ 024-084»
THERMOSTAT TERMINALS
UNIT ELECTRICAL BOX TERMINALS
(Cooling only Models)
REF.- ETN.09
Y 1
G
W 1
C
R
Y 1
G
Y 2
S W 2
E
S
E W 1 O
C
R
(
*
).- Set
Micro no
5
on
Block
S2
to
ON
when the
Unit starts up the Hot Water
Coil.
1 6
1 7
IMPORTANT:
To check if the Unit has a
jumper befween
«R & 16»
or
«R & 17»
.
If yes, this jumper must be
removed before doing new
thermostat connections.