Gewiss GW14851 - Thermostat

GW14851 - Thermostat Gewiss - Free user manual and instructions

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Product type Bidirectional wall-mounted RF chronothermostat
Brand Gewiss
Model GW14851
Dimensions (W x H x D) 120 x 92 x 19 mm
Weight Approximately 150 g (batteries included)
Power supply 3 alkaline 1.5V AAA batteries
Radio frequency 868 MHz
Radio range 100 m in free field
Operating temperature -5 °C to +45 °C
Measured temperature range 0 °C to +45 °C
Measurement accuracy ±0.5 °C at 20 °C
Time programming resolution 15 minutes
Number of programmable temperature levels 3 (T1, T2, T3) from 5 °C to 40 °C
Main functions Heating and cooling, Auto/Manual/Frost protection modes, weekly programming, Party and Holiday functions, temporary override, self-learning, remote control via GSM (optional)
Maintenance and cleaning Clean with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Safety Installation in compliance with national electrical standards and IEC 60364. Do not expose to moisture or excessive dust.
Spare parts and repairability Batteries replaceable by user. Internal components are not user-serviceable. Contact Gewiss after-sales service.
General information Room thermostat connected to RF output modules (3A or 16A) to control boiler, valve, air conditioner, etc.

Frequently Asked Questions - GW14851 Gewiss

How to pair the thermostat with an output module?
To pair the chronothermostat with an output module (3A or 16A), set the module to learning mode (see its manual), then simultaneously press the ⏻⊕ and buttons on the thermostat. The RF icon lights up briefly to confirm transmission.
How to replace the thermostat batteries?
Open the thermostat cover. Replace the 3 alkaline 1.5V AAA batteries, respecting polarity. Close the cover. You have approximately 2 minutes to make the change without losing settings (except clock/calendar).
What to do if the screen displays the low battery symbol?
The battery symbol flashes: the batteries are low but operation is still guaranteed. Replace them as soon as possible. If the symbol stays fixed, the thermostat automatically disables heating/cooling to preserve the remaining functions.
How to set the temperature manually?
Press the button until MAN appears. The set-point flashes for 2 seconds. Use the and buttons to select the desired temperature (from 5 to 40 °C), then confirm with or wait 5 seconds.
How to program the weekly schedule?
Press the button twice to enter programming mode (PROG). Select the day with the ⏻⊕ buttons, confirm with . Use +/- to choose the set-point (T1, T2 or T3) for each hour. The time advances in 15-minute steps. Copy the program to the next day with the Copy button.
How to use the Party function?
In AUTO mode, press the Party button. The icon appears and the set-point flashes. Set the desired temperature with +/-, then the hours (1 to 23) with ⏻⊕. Confirm with or wait 5 seconds. The function temporarily overrides the program.
How to use the Holiday function?
In AUTO mode, press the Holiday button. The icon appears, set the temperature then the number of days (1 to 99). Confirm. The thermostat maintains this temperature until the end of the period, then returns to the weekly program.
How to reset the thermostat to factory defaults?
Simultaneously press the and buttons to perform a complete reset. All custom settings and programs will be erased. The thermostat restarts in automatic heating mode with preprogrammed programs.
The thermostat no longer responds to commands from the remote control system, what should I do?
Check that the GW90822 interface is correctly paired (see pairing procedure). Ensure the thermostat battery is sufficient. The receiver periodically synchronizes with the remote system; a maximum delay of 5 minutes may occur before a command is executed.
What is the accuracy of the temperature measurement?
The NTC sensor offers an accuracy of ±0.5 °C at 20 °C. The measured ambient temperature is displayed with a resolution of 0.1 °C. The switching differential (ΔT) can be adjusted from 0.2 °C to 2 °C to prevent short cycles.

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Download the instructions for your Thermostat in PDF format for free! Find your manual GW14851 - Gewiss and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. GW14851 by Gewiss.

USER MANUAL GW14851 Gewiss

natural_image Simple line drawing of two abstract symbols: a snowflake and a lightbulb with stars (no text or labels)
text_image SET T- 18.0
text_image SET 01.3 Δ7=0.13
text_image 00:00 Tz 18.0 °C
natural_image Illustration showing three scenes: ceiling-mounted air vent, sunlight streaming through windows, and a window with a sun and mirror (no text or symbols)

Two-way RF wall time-thermostat daily-weekly programme

Attention - Important

Warning ! The safety of this appliance is only guaranteed if all the instructions given here are followed scrupulously.

These should be read thoroughly and kept in a safe place.

Chorus products can be installed in environments which are dust-free and where no special protection against the penetration of water is required.

They shall be installed in compliance with the requirements for household devices set out by the national standards and rules applicable to low-voltage electrical installations which are in force in the country where the products are installed, or, when there are none, following the international standard for low-voltage electrical installations IEC 60364, or the European harmonization document HD 60364.

Gewiss sales organization is ready to provide full explanations and technical data on request.

INDEX

OPERATING INSTRUCTIONS page

- General description 30

- Description of the controls.... 31

- Radio frequency communication 32

- Operating modes.... 33

- Heating / Air conditioning selection 34

- Parameter setting.... 35

- Personalizing the daily program 39

- Temporary forcing of the temperature 40

- Party function 41

- Holiday function 42

- Sunday's program copy.... 43

- Manual operation 44

- Remote control.... 44

- Low batteries indication 45

- Reset and restore the preset values 46

- Preset programs.... 47

- Preset parameters.... 48

INSTALLATION INSTRUCTIONS

- Installation.... 49

- Battery replacement.... 51

FUNCTIONAL DETAILS / TECHNICAL DATA 52

OPERATING INSTRUCTIONS

General description

The two-way RF timer-thermostat controls the ambient temperature and the command of the RF CHORUS series actuators such as:

  • 3A output modules,
  • 16A output modules.

Activating the combined output modules makes it possible to control: boilers, zone valves, air conditioners, fan-coils, etc.

The timer-thermostat is provided with a display, 3 control buttons that are always accessible and 7 control buttons accessible when the hatch is open.

Gewiss GW14851 - General description - 1

text_image 21 22 23 24 25 26 27 28 30 29 2:08 20.7°C OFF T F MAN AUTO 1 2 3 4 5 6 7 SET PROC 8 18 17 20 16 15 14 19 13 1 2 3 4 5 6 7 SET PROC 8 18 17 20 16 15 14 19 13 1 2 3 4 5 6 7 SET PROC 8 18 17 20 16 15 14 19 13 ⑦ ⑧ ⑨ ⑤ ⑥ ⑫ ⑪ ⑩ ① ② ③ ④ ⑤ ⑥ ⑦

OPERATING INSTRUCTIONS

Description of the controls

CONTROL BUTTONSSymbol
1Programming / setting
2Regulate time
3Party
4Holiday
5Select heating / air conditioning
6Copy
7Regulate temperature (+) / Select parameters
8Select operating mode / Confirm
9Regulate temperature (−) / Select parameters

DISPLAY INDICATIONS

10Functioning mode AUTO-MAN-OFF
11Temperature unit of measure °C / °F
12Ambient temperature measured
13Daily program profile
14Air conditioning activation
15Heating activation
16Thermal differentialΔT
17Clock
18Day of the week
19Self-learning function activationT
20Temperature set pointT, T= T=
21Operating in heating mode
22Parameter setting status SET
23Operating in air conditioning mode
24Programming status PROG
25Holiday function
26Low batteries
27Holiday program copy function
28GSM remote control unit, command reception signal
29Party function
30Radio control transmission

Radio frequency communication

CONFIGURATION

To make the association with an output module press keys and simultaneously, after having set the output module in learn configuration (see the relative instruction sheet). The actual transmission of a command is signaled on the display by the temporary switching on of symbol RF transmission. Two different operations, “transmission” and “reception”, must be performed to make the association with the GW90822 interface:

1) Transmission: the keys and must be pressed simultaneously after having put the interface in learning configuration and set the front rotary switch to position 0 (see specific instruction sheet). Completed transmission of the command is signalled on the VDU by the temporary switch-on of the RF transmission symbol.
2) Reception: the keys and must be pressed simultaneously after having put the interface in learning configuration and set the front rotary switch to position 0 (see specific instruction sheet). The message LEA will appear on the VDU.

The symbol RF transmission will appear when the front button of the interface is pressed. On receipt of the command from the interface the time-thermostat returns to the status before the creation of the link.

OPERATION

The timer-thermostat operates in combination with a 3A or 16A output module in BISTABLE operating mode, sending switch on/switch off commands depending on its temperature regulation mode and the type of operation selected (heating or air conditioning).

The timer-thermostat periodically retransmits the command, every 5 minutes, to the combined actuator. If the actuator does not receive the message for 4 consecutive times, it commands opening of the relay (OFF) and signals the fault with the green LED blinking.

The time-thermostat is fitted with a transceiver able to transmit and receive RF commands from the Gewiss GSM remote control unit (GW90821) combined with the specific RF interface for remote control unit (GW90822). Remote commands and controls of the climate can be given in this configuration.

SIGNALS

Transmission of a command

The transmission of an RF command (ON/OFF) is signaled on the display by the temporary switching on of symbol 📄

OPERATING INSTRUCTIONS

Operating modes

The timer-thermostat offers 3 different operating modes::

  • AUTOMATIC
  • MANUAL
  • OFF/ANTIFREEZE

Key is used to switch from one mode to another.

Gewiss GW14851 - Operating modes - 1

text_image 1 2 3 4 5 6 7 16:28 T-22.2 °C AUTO 0 1 2 3 4 5 6 7 12 13 14 15 16 17 21 22 23 24

In automatic operation the timer-thermostat uses a program that can be different for every day of the week. The text AUTO, the ambient temperature measured and the symbol of the set point relative to the current quarter of an hour appear on the display.

In the hourly profile the column relative to the current hour blinks with the representation of the active set point.

Gewiss GW14851 - Operating modes - 2

text_image 1 2 3 4 5 6 7 16:28 22.2 °C MIN

In manual operation the timer-thermostat permanently uses a temperature set point that can be freely set.

The text MAN and the ambient temperature measured appear on the display.

Gewiss GW14851 - Operating modes - 3

text_image 1 2 3 4 5 6 7 16:29 22.4 °C Off

Antifreeze operation is only active in heating. In this case the timer-thermostat uses the set point of the ntifreeze temperature set.

The text OFF and the ambient temperature measured appear on the display.

OPERATING INSTRUCTIONS

Operating modes

When operating, the activation of the heating or air conditioning is signaled as follows:

Gewiss GW14851 - Operating modes - 1

text_image 1 2 3 4 5 6 7 12:08 T=20.7°C AUTO 0 5 8 9 12 15 18 21 24

Heating

The symbol shows switching on of the heating.

Gewiss GW14851 - Heating - 1

text_image 1 2 3 4 5 6 7 12:08 T-20.7°C AUTO 0 3 6 9 12 16 19 21 24

Air conditioning

The symbol shows switching on of the air conditioning.

Heating / Air conditioning selection

Pressing key is used to switch the type of operating from heating to air conditioning and vice versa.

Gewiss GW14851 - Heating / Air conditioning selection - 1

text_image 1 2 3 4 5 6 7 12:08 T=20.7°C AUTO 0 3 6 9 12 15 18 21 24

Heating

Symbol identifies heating.

Gewiss GW14851 - Heating - 1

text_image 1 2 3 4 5 6 7 12:08 T-20.7°C AUTO 0 3 4 9 12 15 18 21 24

Air conditioning

Symbol identifies air conditioning.

OPERATING INSTRUCTIONS

Parameter setting

Press the key once to set the parameters.

The SET symbol and the clock appear on the display, while the bar of the day of the week starts blinking.

At this point it is possible to modify, in sequence:

  • day of the week,
  • hours,
  • minutes,
  • temperature unit of measure,
  • set point T1,
  • set point T2,
  • set point T3,
  • self-learning activation,
  • differential regulation value.

  • antifreeze temperature value / high temperatures protection

Temperatures used in the heating or air conditioning program, differentiated by type of operation.

Alternatively it is possible to scroll the sequence pressing key, until the parameter to be modified is selected. The value of each parameter is confirmed by pressing key. The setting phase is exited by pressing key again or, automatically, 30 seconds after the last key entry.

Gewiss GW14851 - Parameter setting - 1

text_image 1≤3 4 5 6 7 09:50 SET 出

Setting the day of the week

When the day of the week bar blinks, select the current day with keys ⏻⊕

(Monday=1, Tuesday=2 ... Sunday=7).

Press key within 30 seconds to confirm the set value.

OPERATING INSTRUCTIONS

Parameter setting

Gewiss GW14851 - Parameter setting - 1

text_image 1 3/4 5 6 7 09:50

Setting the time

When the hour figures blink, set the hour with keys .

Press key within 30 seconds to confirm the set value.

Gewiss GW14851 - Setting the time - 1

text_image 1 2 3 4 5 6 0 ≧ 50 < 800

Setting the minutes

When the minutes figures blink, set the minutes with keys ⏻⊕

Press key Ⓞ within 30 seconds to confirm the set value.

Gewiss GW14851 - Setting the minutes - 1

text_image SET C

Setting the temperature unit of measure

When the °C or °F symbol starts blinking, select the unit of measure with keys .∧∨

Press key Ⓞ within 30 seconds to confirm the set value.

Gewiss GW14851 - Setting the temperature unit of measure - 1

natural_image Simple line drawing of a fire and a snowflake with two stars (no text or symbols)

OPERATING INSTRUCTIONS

Parameter setting

Gewiss GW14851 - Parameter setting - 1

text_image SET T- 18.0

Setting Set Point T1

When symbol appears, the temperature value starts to blink. Regulate the value of T1 with keys .^^Press key ⊙ within 30 seconds to confirm the set value.

Gewiss GW14851 - Setting Set Point T1 - 1

text_image T=20.7

Setting Set Point T2

When symbol Appears, the temperature value starts to blink. Regulate the value of T2 with keys .^^Press key ⊙ within 30 seconds to confirm the set value.

Gewiss GW14851 - Setting Set Point T2 - 1

text_image BAR T: 22.0

Setting Set Point T3

When symbol T appears, the temperature value starts to blink. Regulate the value of T3 with keys . ∧ ∨ Press key ⊙ within 30 seconds to confirm the set value.

Gewiss GW14851 - Setting Set Point T3 - 1

text_image 1~05.0

Setting the antifreeze temperature value

When symbol 📁 appears, the temperature value starts to blink. Regulate the antifreeze temperature value with keys . Press key within 30 seconds to confirm the set value.

OPERATING INSTRUCTIONS

Parameter setting

Gewiss GW14851 - Parameter setting - 1

text_image 35.0℃

Setting the high temperature value

When symbol appears, the temperature value starts to blink. Regulate the antifreeze temperature value with keys . Press key within 30 seconds to confirm the set value.

There are the following constraints between the set point values:

Heating: T antifreeze ≤ T1 ≤ T2 ≤ T3

Air conditioning: T1 ≤ T2 ≤ T3

Gewiss GW14851 - Setting the high temperature value - 1

text_image SET ON

Activating self-learning

When symbol appears, activate (ON) or deactivate (OFF) the function with keys .

Press key Ⓞ within 30 seconds to confirm the set value.

Gewiss GW14851 - Activating self-learning - 1

text_image set OFF

Self-learning is used to activate the advance (max. 2 hours) on activating the heating. The timer-thermostat automatically manages the advance, so as to guarantee the temperature set at the start of each period of the programmed profile. This function is activated in heating, in automatic operating mode only.

Gewiss GW14851 - Activating self-learning - 2

text_image 01.3

Setting the regulation differential

When symbol appears, set the value of the regulation differential with keys

Press key Ⓞ within 30 seconds to confirm the set value.

The regulation differential is the displacement between the set point set and the actual activation temperature. Save for special situations, it is recommended to keep the preset value.

OPERATING INSTRUCTIONS

Personalizing the daily program

Press key ☐ twice to personalize the preset daily program or to make a modification.

Gewiss GW14851 - Personalizing the daily program - 1

text_image 1 ≤ 3 4 5 6 7 PROG °C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

The PROG symbol appears on the display while the bar for the first day of the week will start to blink.

Select the first day required with keys

Gewiss GW14851 - Personalizing the daily program - 2

Press key within 30 seconds to confirm the selection.

Gewiss GW14851 - Personalizing the daily program - 3

text_image 1 2 3 4 5 6 7 00:00 PROG Tz 18.0 °C 0 1 2 3 4

After confirmation of the first day, the current profile, relative to the day selected is displayed on the display.

The hour starts to blink.

Select the temperature set point that it is required to set starting from hour 00:00 using keys .^V

Gewiss GW14851 - Personalizing the daily program - 4

text_image 1 2 3 4 5 6 7 00:00 T- PROG 16.0 °C 0 1 2 3 4

The symbols T or T and the value corresponding to the selected set point appear on the display.

The set point is applied to the hourly profile until the first variation present in the current program.

Gewiss GW14851 - Personalizing the daily program - 5

text_image 1 2 3 4 5 6 7 07:00 PROG T= 20.0 °C 0 5 4 9 12 15 18 21 24

Increase the time with keys until the moment when it is required to modify the proposed profile; during the increase the column relative to the selected time blinks on the hourly profile.

Select the new set point with keys, which will be applied until the next variation present in the program.

OPERATING INSTRUCTIONS

Personalizing the daily program

The time is decreased/increased with steps of 15 minutes each time keys, are pressed, so it is possible to define up to 4 programming periods for each hour.

Proceed in the same way as described above until the profile is complete.

Copying the Program

If it is required to copy the program to the next day, confirm the programming performed by pressing key within 30 seconds.

Press key within 30 seconds to confirm the programming without copying; an automatic move is made to the programming for the next day.

Press key ② at the end of weekly programming to return to normal operations.

To activate the program select AUTO operating mode by pressing key until the AUTO symbol appears on the display.

Temporary forcing of the temperature

In AUTO operating mode it is possible to temporarily force the active temperature set point using keys to set the required value. Confirm the value by pressing key or waiting 5 seconds.

Gewiss GW14851 - Temporary forcing of the temperature - 1

text_image 1 2 3 4 5 6 7 16:32 T-22.7°C >AUTO

Activation of the forcing is signaled on the display by the blinking of the AUTO symbol.

The forcing remains active until the first variation of the profile present in the programz.

OPERATING INSTRUCTIONS

Party function

In AUTO mode, the Party function is used to temporarily exclude the set program by manually entering a set point for a different temperature, for a period of between 1 and 23 hours inclusive. This function can be used, for example, to extend the comfort period during a dinner, a party, etc.

Gewiss GW14851 - Party function - 1

text_image 1 2 3 4 5 6 7 03: h \ 1 / >20.0

Press key to activate the function, the symbol appears on the display while the value of the set point active at that time starts blinking. Use keys to set the new value of the temperature set point. Use keys to set the number of hours of activation, that will be displayed on the display. Press key, or wait 5 seconds, to confirm the setting made.

When the function is active it is still possible to modify the value of the set point and period of activation, in the same way as described above.

The function can also be activated when the timer-thermostat in manual mode (MAN). The Party function remains active until the set period elapses.

The hours count is decremented during operation.

Press key for deactivation in advance: on deactivation, the timer-thermostat returns to the starting operating mode.

OPERATING INSTRUCTIONS

Holiday function

In AUTO mode, the Holiday function is used to temporarily exclude the set weekly program by manually entering a set point for a different temperature, for a period of between 1 and 99 days inclusive. This function could be used, for example, to program a period of economy during a holiday with reactivation of the program on the day of return.

Gewiss GW14851 - Holiday function - 1

text_image 1 2 3 4 5 6 7 23: d \nb1 c/ -15.0

Press key to activate the function, the symbol appears on the display while the value of the set point active at that time starts blinking. Use keys to set the new value of the temperature set point. Use keys to set the number of hours of activation, that will be displayed on the display. Press key or wait 5 seconds to confirm the setting made.

When the function is active it is still possible to modify the value of the set point and period of activation, in the same way as described above.

The function can also be activated when the timer-thermostat in manual mode (MAN).

The Holiday function remains active until the set period elapses.

The days count is decremented during operation.

Press key ① for deactivation in advance: on deactivation the timer-thermostat returns to the starting operating mode.

OPERATING INSTRUCTIONS

Sunday's program copy

In AUTO mode it is possible to copy the sunday's profile to any day of the week.

This function is particularly useful when a period of temporary comfort is required, for example, on a public holiday during the week.

Gewiss GW14851 - Sunday's program copy - 1

text_image 1 2 3 4 5 ≥7 12:08 T=20.7°C AUTO 0 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Press key to activate the function, the symbol and the bar of the feast day start blinking on the display. Use keys to select the day of the week to which to copy the feast day profile; press key, or wait 30 seconds to confirm the setting made.

Gewiss GW14851 - Sunday's program copy - 2

text_image 1≤3 4 5 6 7 12:08 T=20.7°C AUTO 0 3 8 9 12 15 18 21 24

When the function is active, pressing key displays the day to which the feast day profile has been copied: the corresponding bar starts blinking on the display. Press key again to deactivate the function; if it is required to modify the day of the week, use keys and press key, or wait 30 seconds to confirm the new setting.

Gewiss GW14851 - Sunday's program copy - 3

text_image 1 2 3 4 5 6 7 12:08 T: 20.7°C AUTO 0 3 8 9 12 15 18 21 24

When the day selected for the feast copy is in progress, symbol is fixed on. The validity of the feast day copy is temporary, after midnight of the selected day, a return is made to the programmed weekly profile.

OPERATING INSTRUCTIONS

Manual operation

Gewiss GW14851 - Manual operation - 1

text_image 1 2 3 4 5 6 7 12:08 \ 1 / >20.0 < MAX

To activate manual operating mode, press key , until the text MAN appears on the display. The temperature set point appears for about two seconds.

Use keys to set the required set point value, press key , or wait 5 seconds to confirm the setting.

Remote control

The time-thermostat communicates with the GSM GW 90 821 remote control unit by the GW 90 822 interface.

The SMS commands can thus be used to:

  • set the type of operation (air conditioning/heating)
  • set the operating mode (manual/automatic/off)
  • set the operating set point (in MAN mode only)
  • request the current status

Every SMS command sent to the device has a corresponding confirmation SMS (with predefined text that cannot be configured);

the status request message gives a reply that includes the following information:

  • current operating type (heating/air conditioning)
  • current operating mode (off/auto/man)
  • set point temperature currently set
  • ambient temperature measured
  • last command sent to the heat regulation command actuator

In the case of flat batteries, the flat batteries signal will be sent at the end of every message. To optimise the duration of the batteries, the receiver is not active permanently but synchronises itself periodically with the remote control unit. The remote commands are therefore sent to the time-thermostat with a delay time due to the synchronisation period; this delay has a maximum duration of 5 minutes.

The following symbol is displayed on the VDU whenever the operating type or mode are modified from the remote control unit.

OPERATING INSTRUCTIONS

Low batteries indication

Gewiss GW14851 - Low batteries indication - 1

text_image 1 2 3 4 5 6 7 12:08 20.7°C MKN

When the batteries charge is low, the symbol on the display starts to blink. Operation of the timer-thermostat is guaranteed in any case. In this case, the batteries must be replaced as soon as possible.

Timer-thermostat operation is no longer guaranteed when symbol is fixed on, in this case the last operation guaranteed is automatic deactivation of the heating/air conditioning.

The available time for replacing the batteries is about 2 minutes, after which only the clock/calendar setting will be lost: all the other settings are kept in non-volatile memory.

OPERATING INSTRUCTIONS

Reset and restore the preset values

Pressing keys, simultaneously performs a complete reset of the timer-thermostat.

N.B.: all parameters set and personalized programs will be cancelled.

When the timer-thermostat is switched on again, it uses the parameters and programs preset in the factory. The timer-thermostat goes into heating in AUTO mode. The Party and Holiday functions are not active.

OPERATING INSTRUCTIONS

Preset programs

The timer-thermostat has 2 preset programs, one for heating and one for air conditioning.

HEATING PROGRAM
Gewiss GW14851 - Preset programs - 1

AIR CONDITIONING PROGRAM
Gewiss GW14851 - Preset programs - 2

bar | Day | T1 | T2 | T3 | |----|----|----|----| | 0 | | | | | 3 | | | | | 6 | | | | | 9 | | | | | 12 | | | | | 15 | | | | | 18 | | | | | 21 | | | | | 24 | | | |

These preset programs can be modified and personalized according to requirements. Follow the instructions contained in the “Daily program personalization” paragraph to make the modifications.

OPERATING INSTRUCTIONS

Preset parameters

Day of the week 1: Monday

Time 00:00

Heating temperature set point T1 16 °C

T2 18 °C

T3 20 °C

Tantifreeze 5 °C

Air conditioning temperature set point T1 24 °C

T2 26 °C

T3 28 °C

Thigh temperatures protection 35 °C

Self-learning Function disabled (OFF)

Differential regulation Heating 0.2 °C

Air conditioning 0.5 °C

Temperature unit of measure

°C

INSTALLATION INSTRUCTIONS

Installation

WARNING

  • Before installation ensure that the associated output modules receive the commands correctly.
  • In the installation phase respect the assembly direction ( ) on the base of the support.

Fitting with wall plugs.

Gewiss GW14851 - WARNING - 1

text_image with wall plugs. TX GN D RX 4 5 6 1 2 3 UP ① ②

Fitting to a 3-bay box.

Gewiss GW14851 - WARNING - 2

text_image to a 3-bay box. 49

INSTALLATION INSTRUCTIONS

Installation

Gewiss GW14851 - Installation - 1

text_image Click fixing of the timer-thermostat on the relative base and locking with screw.

For correct reading of the ambient temperature to be controlled, it is important that the timer-thermostat is not installed in niches. Behind doors or near windows or sources of heat.

Gewiss GW14851 - Installation - 2

natural_image Four-panel illustration showing ceiling lighting, window view, and outdoor scene with sun rays (no text or symbols)

INSTALLATION INSTRUCTIONS

Battery replacement
Gewiss GW14851 - INSTALLATION INSTRUCTIONS - 1

text_image 2b 2a 1 3x1.5V type AAA alkaline batteries

Do not dispose of dead batteries in the environment.

FUNCTIONAL DETAILS / TECHNICAL DATA

Type of operation: heating and air conditioning

Operating mode: automatic, manual and antifreeze

Operating temperature: -5^ ÷ +45^

Measured temperature: 0 ÷ +45°C

Temperature probe: NTC, 100KΩ at 25°C

Measurement accuracy: ±0.5°C at 20°C

Preset programs: 2 weekly programs

(heating and air conditioning)

Resolution hourly programming: 15 minute

Max. n° of temperature changes: 4 per hour

Temperature levels: 3 levels (T1-T2-T3) programmable

from 5 to 40°C differentiated

between air conditioning and heating

Temperature set point resolution: 0.1°C

Antifreeze temperature: adjustable from 2 to 7°C

High temperatures protection temperature adjustable from 30 to 40°C

Manual temperature: adjustable from 5 to 40°C

Differential regulation: adjustable from 0.2 to 2°C

Party function: timed from 1 to 23 hours

Holiday function: timed from 1 to 99 days

Temporary temperature forcing: settable

Thermal gradient self-learning: selectable, with max. advance of 2 hours

Unit of measure: ^ C or ^ F

Interval between two successive measurements: 1 minute

Remote control: with GW90821 remote control unit in combination

with the GW90822 interface (not included)

Batteries discharged signal: with symbol on the display

Radio frequency: 868 MHz

Radio range: 100 m in a free field

Supply: 2x1.5V type AAA alkaline batteries

Stand-by charge: 2 minutes for battery replacement

Max. dimensions (B x L x H): 120x92x19mm

FRANÇAIS

Chronothermostat RF bidirectionnel mural programme journalier-hebdomadaire

Attention - Important

Dans le fonctionnement manuel the timer-thermostat permanently uses a temperature set point that can be freely set. The text MAN and the ambient temperature measured appear on the display.

Gewiss GW14851 - Attention - Important - 1

text_image 1 2 3 4 5 6 7 16:29 22.4°C off

Programmation minutes

natural_image Simple line drawing of a fire and explosion symbol (no text or labels)
text_image SET T- 18.0

Programmation du Set-point T1

Programmation du Set-point T2

Chauffage: T antigel ≤ T1 ≤ T2 ≤ T3

Climatisation: T1 ≤ T2 ≤ T3

Gewiss GW14851 - Programmation du Set-point T2 - 1

text_image suit cool On

Activation autoapprentissage

text_image SET ON OFF
natural_image Four-panel illustration showing air purification and window lighting, with no visible text or symbols.

INSTRUCTIONS POUR L'INSTALLATION

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text_image SET T- 18.0
text_image SET ΔT=01.3
text_image 00:00 Tz 18.0 °C
natural_image Four-panel illustration showing air purification and window lighting, with no visible text or symbols.
natural_image Simple line drawing of a fire and a snowflake with two stars (no text or symbols)

Parameter-einstellung

Gewiss GW14851 - Parameter-einstellung - 1

text_image SET T- 18.0
text_image SET 01.3 Δ7=0.13
natural_image Four-panel illustration showing air purification and window lighting, with no visible text or symbols.

Radio frequency command and control system

natural_image Line drawing of a rectangular electronic device with circular ports and a handle (no text or symbols)

Pulsantiera RF

RF button pad

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RF movement and twilight sensor

natural_image Isometric line drawing of a rectangular frame with a circular recess and central hole (no text or symbols)

Cronotermostato RF

RF timer-thermostat

Chronothermostat RF

Cronotermostato RF

Chronothermostat RF

Gewiss GW14851 - Cronotermostato RF - 1

natural_image Line drawing of a rectangular electronic device with a circular button and label (no readable text or symbols)
text_image Diagram showing a device transforming into a light bulb, illustrating the process of lighting or illumination.
text_image Diagram showing a device connected to a bottle, illustrating the process of packaging or cleaning.
text_image Diagram showing a device connected to a rack with a magnified view of its internal structure.

Ripetitore di segnale RF / RF signal repeater Répétiteur de signal RF / Repetidor de señal RF Signalmelderstab RF

Gewiss GW14851 - Ripetitore di segnale RF / RF signal repeater Répétiteur de signal RF / Repetidor de señal RF Signalmelderstab RF - 1

natural_image Simple line drawing of an electrical fuse with two waves, no text or symbols present
Manual assistant
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Product information

Brand : Gewiss

Model : GW14851

Category : Thermostat