meitav-tec ETN24 User manual
Installation
General points to follow:
- Disconnect power to the main board before installing the unit.
- The unit should not be installed on an outside wall or where there is an air draft.
- The unit must not be exposed to a direct sunlight.
- The standard height to install this unit is 1.5 meter (5 feet) from the floor.
Installation procedure:
Separate the front panel from back panel b pressing the tongue located in the top of the unit and pull the
back panel out.
Line the back panel up against the wall or flat surface. Install three screws as required.
Make electrical connections as shown on enclosed electrical wiring diagram.
Install the cover to the back panel; first the two tabs on the bottom and then the top tongue.
Push until tight against the wall.
Before connecting or disconnecting an wires, ensure that all
power supplies have been switched off and all wires are
potential-free to prevent equipment damage and avoid
electrical shock.
Do not run wiring close to transformers or high frequenc
generating equipment. Complete and verif all wiring
connections before appl ing power to the controller to which
the module is connected.
Wiring
COM - Common for outputs - 48VAC / 30VDC max.
When using 24 VAC outputs short terminals R COM.
COM
RC
W1
B/O
W2TTY2GY1
Compressor 1 (0.5A)
Fan (0.5A)
Heater 2 (0.5A)
Heater 1 / Heat pump (0.5A)
External sensor (option)
Main supply 24VAC
ETN24-SUPER-PROG-US-C-LOCK-7DAYS
Owner’s manual & Technician Settings
Tel: +972 3 9626462
Fax: +972 3 9626620
www.meitavtec.com | support@meitavtec.com
The ETN24 is designed for wall mounting in the room to be controlled. It
should be located where the occupant can easil read the LCD displa and
use the controls. If the built in temperature sensor is being used to measure
room temperature, the module should be placed where the temperature is
representative of the general room conditions. Cold or warm air draughts;
radiant heat and direct sunlight should be avoided.
Compressor 2 (0.5A)
Common for outputs
SelectOn/Off Prog
ºC
ON
A.Speed
Cool
Heat
Su
Start Fan
AM
DIP Switch and Jumpers Configuration
Internal/External Sensor
2
3
4
5
6
Internal
sensor
External
sensor
HCHP
ON OFF
X X
X X
Switch
Heat Pump in
heat “B”
Heat Pump in
cool “O”
XX XX
Time delay for compressor
3 MinutesNo delay
ON* OFF
Oil/Gas
heat
Electric
heat
OFF*ON
ON OFF*XX
XX
XX
XX
XX
ON OFF*XXXXXX
X X
X X
X X
X X
OFF* ON
ON* OFF
*Default
The DIP Dwitch is located on the top of the back side of the thermostat (above the connectors).
ON
123456
Default DIP switch position:
External sensor Connection (option)
Important: The external sensor must be Meitav-tec t pe onl !
Temp °C 7.2 10.0 12.8 15.6 18.3 21.1 23.9 26.7 29.4 32.2
Res. KΩ 115.8 100.9 88.1 77.1 67.7 59.6 52.5 46.4 41.2 36.6
Connecting the external sensor
Disconnect power to the thermostat.
Move switch 5 to ON position and switches 1 and 6 to OFF position.
Connect the temperature sensor to the T-T terminals.
Reconnect power to the thermostat.
Notes:
The wire length for the external sensor can be up to 100 feet (30 meters) with standard cable.
If the distance is greater than 30 meters (100 feet) the wire MUST be shielded.
There is a wide range of sensors for different applications, duct, rooms, etc. There are also options for
averaging the temperature. For details please contact our technical line or visit our web site.
ON
123456
For complete reset of the unit, use JMP1 (3 pins) as follows: move the jumper from “A”
position to “B” position, wait 30 seconds and move the jumper back to “A” position.
JMP2 (2 pins) is not in use and must alwa s sta shorted.
A B JMP2
JMP2JMP1
Tel: +972 3 9626462
Fax: +972 3 9626620
www.meitavtec.com | support@meitavtec.com
ETN24-SUPER-PROG-US-C-LOCK-7DAYS
Owner’s manual & Technician Settings
Operating instructions
On/Off
Press the [Select] button once to enter Modes selection
Use the [+] and [-] buttons to switch between modes:
“Cool”………………… Cooling
“Heat”………………… Heating
“Cool” & “Heat”……… Auto mode
“Fan”…………………. Fan onl
Press the [Select] button again to enter Auto fan selection
Use the [+] and [-] buttons to switch between:
“Fan”…………….…… Fan is on continuousl
“Auto Fan”…………… *Fan c cles on with demand
*Auto Fan is not available in "Fan onl " mode.
* In Heat mode, with Oil/Gas heat configuration (i.e., furnace):
Auto Fan – The fan will never be activated.
Fan – The Fan will work continuousl .
Press the [Select] button again to return to normal displa .
Press the [On/Off] button to turn the thermostat ON.
Press and hold the [On/Off] button (10 sec.) to turn the thermostat OFF.
Modes / Auto fan
Set point
In Cool mode and in Heat mode:
Press the [+] or [-] buttons - "COOL" or “HEAT” will appear on displa and the
set-point temperature for cooling or heating will flash.
Adjust the set-point temperature for cooling or heating using the [+] or [-]
buttons.
Wait until displa returns to normal.
In Fan only mode or in auto change over mode (2 set points):
Press the [+] or [-] buttons - "COOL" will appear on displa and the set-point
temperature for cooling will flash.
Adjust the set-point temperature for cooling using the [+] or [-] buttons.
Wait 3 seconds - "HEAT" will appear on displa and the set-point temperature
for heating will flash.
Adjust the set-point temperature for heating using the [+] or [-] buttons.
Note the the set-point for heating must be lower than the set-point for cooling.
Wait until displa returns to normal.
Cool Heat Auto mode Fan only
Always ON On with
demand
Cool
Heat
Cool
Heat
Fan
Fan
Auto
Fan
Lock Buttons
Use the Lock option to prevent users from making unwanted changes.
When the thermostat is locked, the [Select], [+] and [-] buttons are disabled,
however, the users can turn the thermostat ON or OFF. The displa will alternate
between "Loc" and real time clock.
Make sure both temperature set points are different than 10°C.
Lock the thermostat - Press and hold the [Select] button (20 seconds) until "Loc"
appears on displa .
Unlock the thermostat - Press and hold the [Select] button again (20 seconds)
until "UnLo" appears on displa .
LockedUnlocked
File: ETN24-SUPER-PROG-US-C-LOCK-7DAYS_rev1(4 pages).vsd
Tel: +972 3 9626462
Fax: +972 3 9626620
www.meitavtec.com | support@meitavtec.com
ETN24-SUPER-PROG-US-C-LOCK-7DAYS
Owner’s manual & Technician Settings
or
Set point
for cooling
Set point
for heating
Set point
for cooling
Set point
for heating
SelectOn/Off Prog
ºC
ON
A.Speed
Cool
Heat
Su
Start Fan
AM
Weekly Program
The thermostat is 7-DAY PROGRAMMABLE.
It can be programmed with up to 7 different programs, 1 for each da , with start time and stop time
Enable/Disable/Override the weekly program
Press & Hold the [Prog] button (20 sec.) to enable/disable the program.
When enabled, the words “Start” or “Stop” will appear on displa .
To exit programming mode, press the [On/Off] button until normal displa is reached or wait 30 seconds.
Technician Settings
Adjust the set point temperature to 10°C. Wait until displa stops flashing.
Press and hold the [Select] button (5 sec.) to enter technician settings.
Use the [Select] button to switch between different configurable parameters.
Use the [+] and [-] buttons to make adjustments or switch between options.
Set point temperature limit for cooling
Indication: “Cool” and the set point Temperature limit
for cooling. Range: 5...30°C, default 5°C.
Set point temperature limit for heating
Indication: “Heat” and the set point temperature limit
for heating. Range: 5...30°C, default 30°C.
Offset for calibration of the measured temperature
Indication: “Offs” and a number between (-6) and (+6).
Range: -6...+6°C, default 0°C.
Adjust the
Set point
To 10°C
Set point
limit for
cooling
Set point
limit for
heating
Offset for
temp.
readings
ºC
Set
ON
Select Select
Tel: +972 3 9626462
Fax: +972 3 9626620
www.meitavtec.com | support@meitavtec.com
ETN24-SUPER-PROG-US-C-LOCK-7DAYS
Owner’s manual & Technician Settings
Press
And
Hold
Select
Select Return
To normal
display
Note that the words “Start” or “Stop” on
displa will indicate the current status of the
weekl program as follows:
Override the program (After hours timer):
The word “Stop” will flash when the occupant
manuall turned the unit ON, during stop
event. Override period is 2 hours before
turning the unit back OFF.
“Start”
Hours Minutes Day
Start
time
Hours
Real time clock Program - Monday
Repeat the
procedure for all the
other days
WedTue
Prog ProgProg ProgProg Prog
Start
time
Minutes
Stop
time
Hours
Prog Prog
Stop
time
Minutes
“Stop”
Programmed
Stop time
”Stop”
& Unit OFF
Manual
Start
(Override)
“Stop” flashing
& Unit ON
2 Hours (After hours)
Programmed
Start time
(today)
Programmed
Stop time
(today)
Programmed
Start time
(next day)
Programmed
Stop time
(next day)
“Start”
”Stop”
& Unit OFF
“Stop”
File: ETN24-SUPER-PROG-US-C-LOCK-7DAYS_rev1(4 pages).vsd
This manual suits for next models
1
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