Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Feture d

Fantini cosmi CH150RF Weekly Programmable Thermostat Technical Data Sheet

Fantini Cosmi

Fantini Cosmi CH150RF Weekly Programmable Thermostat Technical Data Sheet

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Electronic programmable thermostat with a microprocessor, with weekly programming, to control heating and air-conditioning installations. The “radio system” provides a programmable thermostat CH150RF, one or few actuators (receivers) for temperature control, and an actuator for humidity control (optional).

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Programmable thermostat transmitter

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Receiver – actuator with 1 output relay 

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TEMPERATURE CONTROL OF A HEATING AND COOLING SYSTEM 

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TEMPERATURE CONTROL + HUMIDIFICATION 

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HOMOLOGATION AND STANDARDS
In conformity with EN 60730-2-9; EN 60730-2-11 standards. ErP classification: ErP Class IV; 2% (EU Reg. 811/2013 – 813/2013)

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INSTALLATION

Wall mounting by means of the fastening base in round boxes 502-503. Two-wire connection with the user. Install the programmable thermostat at 1,5 m height from the floor, away from kitchens, heat sources, windows, and doors.

OPERATION

The programmable thermostat has:

  • 3 side wheels for the immediate setting of the temperatures.
  • 1 SUMMER-WINTER switch button.
  • 5 front keys to access directly the operating modes that can be changed by pressing the corresponding key (5 icons on the display for CH150TS model)
  • 1 key to access the programming menu (1 icon on the display for CH150TS model)

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VISUALIZATION 

  • Ambient temperature.
  • Outside temperature (if the external sensor is installed).
  • Measured temperature (measured temperature of the body as a function of ambient humidity).
  • Humidity percentage in the environment.

OPERATION MODES

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MANUAL
The programmable thermostat regulates the room temperature using the set temperature within 24 hours.

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T1:The temperature can be set from 2 to 40°C

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AUTOMATIC
The programmable thermostat regulates the set temperatures according to the schedules on the weekly profile. It has 2 winter programs and 1 summer program (prescribed).
In automatic mode can be set three temperature levels T1-T2-T3.

  • T1 can be set from 2 to 40 °C
  • T2 can be set from 2 to 40 °C
  • T3 can be set from 2 to 40 °C

Note
T3 cannot be less than T2 and T2 cannot be less than T1.

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HOLIDAY

  • The programmable thermostat follows the time and temperature settings of the day “8”.
  • This mode stops when it is selected another operating mode. The programmable thermostat has a predefined mode – Holiday, equal to Saturday and Sunday.
  • In Holiday mode can be set three temperature levels T1-T2-T3.

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JOLLY

  • The programmable thermostat controls the installation using a set temperature over a period of time ranging from 1 hour to 99 days and 23 hours.
  • At the end of the set time, the programmable thermostat returns to the previously used operation mode. This function can be excluded at any time by setting a different operation mode.

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OFF (turned OFF)
This mode is used to manage system operation for maintaining the antifreeze temperature, set from 2 to 7°C. Complete turn OFF of the system T1=OFF.

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Example: Automatic Mode – Jolly for 1 week – the programmable thermostat completes the period of Jolly and resumes the automatic mode.

T1: The temperature is set manually from 2 to 40°C.

SPECIAL FUNCTIONS

These functions are selected by accessing the technical menu of the programmable thermostat.

TEMPERATURE 

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  • Temperature display in Celsius degrees (centigrade), e.g. 20,5°C.
  • Temperature display in Fahrenheit degrees, e.g. 76,4°F.

REGULATION TYPE 

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-18 Standard regulation (ON-OFF).

When it is required to heat “ON” the boiler or the cooling system stops functioning only when it reached the set temperature value (set point) within the differential. It is reached quickly the set-point in installations with low inertia; on the contrary, in systems with high inertia are possible high-temperature oscillations.

 

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Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-39 PROPORTIONAL REGULATION
This regulation type allows you to limit the thermal differential to the minimum, significantly increasing comfort. In proportional regulation, the “heat request“ periods are managed within the proportional band.

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-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-40 ADJUSTABLE PROPORTIONAL RANGE
A range means the value at which the programmable thermostat starts regulation with ON and OFF cycles (installation) as a function of the prescribed period. Range regulation from 1 to 4°C by 0.1°C increments.

ON-OFF CYCLES
Are defined according to the programmable thermostat’s reached temperature, if the ambient temperature is equal to the set-point and the cycles are 50% ON and 50% OFF (proportional contribution +/- one percentage of the integral part contribution).

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  1. The temperature is within adjustable range, the programmable thermostat starts to set ON-OFF cycles.
  2. The temperature approaches the set point, decreasing ON cycles and increasing OFF cycles.

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-22 REGULATION PERIOD
The regulation period is set in 5/10/20 minutes, with value managed for ON-OFF cycles.

EXAMPLE
Period of 10 minutes 70% ON = 7 minutes, 30% OFF = 3 minutes. The period and the range should be defined according to the inertia and to the heat transfer type, such as:

  • FAN-COIL= transfer for convection
  • HEATERS= transfer for convection and radiation (prevailing convection)
  • PANNELLI RADIANTI= transfer for radiation and convection (prevailing radiation)

It has the advantage of decreasing the temperature excess regarding ON-OFF regulation, only achieving the set-point will need more time.

SYSTEMS BEHAVIOR DURING  ON-OFF AND PROPORTIONATE REGULATION

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-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-24 PRESCRIBED THERMAL DIFFERENTIAL
HI high
LO low

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-25 SEPARATE TEMPERATURE PROBES
Possibility to configure temperature probes of four types.

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PROGRAMMABLE THERMOSTAT’S TEMPERATURE PROBE
Floor probe (for heating with radiant panels)
It controls the temperature in the room where is installed the programmable thermostat. The floor sensor is used for control and as a limit probe for extra temperatures of radiant panels’ fluid. Reaching the limit temperature, the programmable thermostat stops functioning regardless of set-point achievement. The limit is set in the range of 15 ÷ 45 °C.

INTERNAL TEMPERATURE PROBE (AMBIENT)
Adjusts the ambient temperature read by the second probe.
This mode can be used to manage better the domestic environment, in the case when the programmable thermostat is placed in an unfavorable position.

EXTERNAL PROBE
Displays the room temperature by touching any button on the programmable thermostat’s front.

Note
The external temperature is not adjusted.

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-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-28ROOM TEMPERATURE CORRECTION
In cases, when the programmable thermostat position is not favorable for an optimum regulation of the environment, and you do not want to appeal to the ambient secondary probes, is possible to correct the temperature, read by the programmable thermostat. Correction range from -4°C to +4°C with increments of 0,1°C.

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-29 OPTIMIZATION
The device calculates the system’s advance switching-on time needed to achieve the desired temperature at the set time of the day, taking into consideration its thermal inertia. The optimization takes place only at the first system’s switching-on of the day.

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-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-31 PUMP ANTI-SEIZURE FUNCTION
The unit turns the system on for 1 minute per day (h 23.58), thereby operating the water circulation pump and preventing it from blocking. This takes place only if the system has never been turned on during the day.

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-32 Determines relay “status” at battery discharge.

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-33 No setting

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-34 The programmable thermostat is in the situation of battery discharge (OFF displayed), closes the contact 1-2 (opens 1-4).

-Fantini -CH150RF-Weekly-Programmable-Thermostat-Technical-Data-Sheet-Fig-35 The programmable thermostat is in situation of batteries discharge (OFF displayed), opens the contact 1-2 (closes 1-4).

FANTINI COSMI SYSTEM

Separate probe
2-wire connection

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Telecomfort CT3MA – GSM phone activator
CH150RF is designed to be connected to the mobile line GSM phone activator Telecomfort CT3MA. Telecomfort CT3MA allows a programmable thermostat’s remote control via SMS messages or APP Intelliclima+. It also allows the remote verification of the ambient temperature and the correct functioning of the programmable thermostat.

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REFERENCE:

DOWNLOAD MANUALS:

Fantini cosmi CH150RF Weekly Programmable Thermostat Technical Data Sheet

Fantini Cosmi

Fantini Cosmi CH150RF Weekly Programmable Thermostat Technical Data Sheet

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