Fantini Cosmi CH121 Manuel utilisateur

FLUSH MOUNTING ROOM THERMOSTAT

CH121

cover plate not included

The CH121 chronothermostat must be installed in a 3-module recessed box, in the

middle of the apartment, preferably 1.5 m off the ground. The required components,

all included in the package, are used based on the plates available, according to the

following table.

* N.B. COVER A available colours: white, silver and black;

COVER B available colours: white, silver and black, for Bticino Matix white only.

COMPATIBLE PLATES COVER*

TYPE

FRAME

TYPE

SIDE ADAPT-

ERS * TABS TO DETACH

Bticino Living International and

Transizione Piana B 1 NO NO

Bticino Living Light Air B 3 NO YES position “A+C”

Bticino Light, Light tech B 1 NO NO

Bticino Axolute A 1 NO NO

Bticino Matix B 2 SI (dedicated) YES position “A”

Vimar Idea and Rondò B 2 YES YES position “B”

Vimar Plana and Eikon B 1 NO NO

Vimar Eikon Evo A 3 NO YES position “A”

Vimar Arké A 3 NO NO

Gewiss Chorus One, Lux, Art B 2 NO YES position “A”

Ave sistema 45: Zama, Banquise,

Yes, Ral B 2 YES NO

Ave sistema 44: Zama, Personal,

Technopolymer A 1 NO NO

Legrand Cross, Vela square, Vela

round B 2 NO YES position “A”

INSTALLATION

CONTENTS OF PACKAGE

1 thermostat

3 frames

3 coloured covers, type A

3 coloured covers, type B

3 pairs of adapters

1 pair of special adapters for Bticino Matix

2 screws

1 user manual

CH121

PERFORM THE FOLLOWING OPERATIONS:

1. act on the master switch on the electric panel to cut power to the electrical system;

2. when required, detach the tabs according to the type of plate;

3. when required, mount the side adapters;

4. fasten the chronothermostat to the suitable frame;

5. mount the cover on the body of the chronothermostat;

6. connect the two wires of the boiler to terminals 1-2 of CH121;

7. screw the frame onto the box using the provided screws;

8. mount the plate;

9. switch the electric system back on.

cut 4 tabs

according to type of cover plate

frame

“B”

“A”

“C”

cut 4 or 8 tabs

according to type of cover plate

ELECTRICAL CONNECTIONS

ATTENTION: installation must be carried out by qualified

personnel

PLEASE NOTE: when CH121

is disconnected, the boiler

contactremainsinitscurrent

position.

Boiler

CH121

INSERTION AND REPLACEMENT OF BATTERIES

InserttwoAAA1.5Valkalinelonglasting batteries,ofagoodbrand,payingattentionto

the marked polarities.

N.B. the life of the batteries is greatly affected by the type of use and the settings made

by the user, especially the set back lighting switch-on time.

When the batteries are low, the symbol of the discharged battery flashes on the

display: . CH121 keeps working regularly, but the display does not light up.

If the batteries are completely discharged, the chronothermostat quits working,

switching off the system and disabling the keys. “OFF” together with the symbol of

the discharged batteries appear on the display until they are replaced.

Toreplacethebatteries,removeCH121fromitshousing,moderatelypressinginwards

and at the same time on both sides of the cover.

All parameters remain stored while the batteries are being replaced.

COMFORT / TMAX

ECONOMY / TMIN

OFF ANTIFREEZE

QUICK GUIDE FOR PROGRAMMING

DESCRIPTION OF KEYS AND DISPLAY

The thermostat is equipped with 4 keys, the function of which varies depending on

the situation. It is described by the symbol which appears on the display next to the

key.

winter relay ON

summer relay ON

room temperature

Celsius / Fahrenheit

summer/winter

4 function keys reset

function

OPERATION

Operating mode selection

ECONOMY / TMIN

COMFORT / TMAX

OFF ANTIFREEZE

Temperature

adjustment keys

ECONOMY / TMIN 2 ÷ 40 °C

COMFORT / TMAX 2 ÷ 40 °C

OFF ANTIFREEZE 0 ÷ 7 °C

SUMMER or WINTER selection

Press to set

COMFORT / TMAX mode

Press to set

ECONOMY / TMIN mode

ANTIFREEZE temperature cannot be set in summer mode.

Press to set

OFF ANTIFREEZE mode

CUSTOMISE THE TEMPERATURE

When you have set the operating mode press the two keys (increase

or decrease ) to set the temperature:

ECONOMY / TMIN 2 ÷ 40 °C

COMFORT / TMAX 2 ÷ 40 °C

OFF ANTIFREEZE 0 ÷ 7 °C

CH121

Press both keys simultaneously to select SUMMER (cooling) or WINTER (heating) mode.

You may choose the time during

which back lighting remains on:

OFF →always off

1sec …….. 10sec

Press together, and keep pressed,

to change back lighting duration.

Increase\decrease back lighting duration.

Press while keeping

summer/winter and ON/OFF keys pressed.

10 sec.

always

off

CHOICE OF BACK LIGHTING DURATION

SUMMER/WINTER SELECTION

ATTENTION: only qualified personnel may configure the device.

Configuring the thermostat allows you to customise the device’s operating

parameters. Perform the following steps to access the configuration program:

Using a sharp object, press the reset button while

holdingdownthe“COMFORT/ECONOMY”buttonat

the same time.

When the display reads P01, release the

“COMFORT/ECONOMY” button.

THERMOSTAT CONFIGURATION

COMFORT/ECONOMY

The display represents the configuration

parameters by an index: P01, P02….

Press or to scroll the parameter indexes.

Press to edit a parameter. Use and to

change the value of the parameter. Press again

to go back to the parameter index.

To exit parameter configuration, press or until the display reads “END”. Press

reset

enter

CH121

Index Parameter Default Values

P01 display mode 1 1 = view room temp

2 = view set point

P02 correction of displayed tem-

perature value

0.0°C +/- 4°C (step 0.1°C)

P03 winter lower limit set point

temperature

2.0°C 2.0°C……40.0°C (step 1.0°C)

P04 winter upper limit set point

temperature

40.0°C 2.0°C……40.0°C (step 1.0°C)

P05 summer lower limit set point

temperature

2.0°C 2.0°C……40.0°C (step 1.0°C)

P06 summer upper limit set point

temperature

40.0°C 2.0°C……40.0°C (step 1.0°C)

P07 differential adjustment 0.3°C ±0.3°C…….±2.0°C *

(step 0.1°C)

P08 temperature scale CEL CEL = Celsius

FAH = Fahrenheit

END exit parameter configuration

and store values

* ± 0.3°C value suited for plants with slow thermal inertia,

± 2°C value suited for very reactivate plants.

TECHNICAL FEATURES

Power supply 2 AAA 1.5V batteries

Battery duration approximately 1 year *

Contact range 5(3)A 250V~

voltage-free switching

Maximum room temperature T45 °C

Temperature adjustment scale 2 ÷ 40 °C, increase 0.1°C

Measurement scale/room T display -40 ÷ 50 °C

Type of action micro disconnection1B

Degree of protection IP20

Pollution degree 2

Pulse voltage 4000V

Electric insulation

Software Class A

Thermal gradient of reference 4K/h

Assembly recessed in 3-module box type 503, with 2

screws

Dimensions 68 x 52.2 x 58 mm

Product not made in Italy

Compliance with standards EN 60730-1 and second parts

ErP classification ErPClassIV;2%(Reg.EU811/2013-813/2013)

* N.B. the life of the batteries is greatly affected by the type of use and the

settings made by the user, especially the set back lighting switch-on time.

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