Meitav-tec ETN24 Manuel utilisateur

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

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

A.Speed

Cool

Heat

Start Fan

DIP Switch and Jumpers Configuration

Internal/External Sensor

Internal

sensor

External

sensor

HCHP

ON OFF

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

ON OFF*XXXXXX

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).

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.

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

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

Set point

for cooling

Set point

for heating

Set point

for cooling

Set point

for heating

SelectOn/Off Prog

ºC

A.Speed

Cool

Heat

Start Fan

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

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

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