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Summary of Contents for Fantini Cosmi CH121E
- Page 1 FLUSH MOUNTING THERMOSTAT, BATTERY OPERATED INSTALLATION AND USER MANUAL CH121E istruzioni EN 5680075.indd 1 CH121E istruzioni EN 5680075.indd 1 15/11/2024 12:09:29 15/11/2024 12:09:29...
- Page 2 Intellicomfort CH121E FLUSH MOUNTING THERMOSTAT, BATTERY OPERATED Dear customer, thank you for purchasing the Fantini Cosmi flush mounting thermostat, model CH121E. This manual contains all the information required for a correct installation and configuration. You can also download this manual in digital format and in several languages by framing the QR code below and entering the product code.
- Page 3 Caleppio di Settala ( MI ) UNI A3 420x297 ### A termini di legge ci riserviamo la proprieta' di questo disegno con divieto di riprodurlo, metterlo in esecuzione e renderlo noto CH121E istruzioni EN 5680075.indd 3 CH121E istruzioni EN 5680075.indd 3...
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Page 4: Technical Features
* 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. CH121E istruzioni EN 5680075.indd 4 CH121E istruzioni EN 5680075.indd 4 15/11/2024 12:09:29... -
Page 5: Installation
Intellicomfort CH121E 2 - INSTALLATION The CH121E thermostat 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 according to the following table. - Page 6 3. fasten the thermostat to the suitable frame; 4. mount the cover on the body of the thermostat. 5. connect the two wires of the boiler to terminals 1-2 of CH121E; 6. screw the frame onto the box using the provided screws;...
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Page 7: Electrical Connections
When the batteries are low, the symbol of the discharged battery flashes on the display: . CH121E keeps working regularly, but the display does not light up. If the batteries are completely discharged, the thermostat quits working (switching off the system) and the display reads ”PRESS HERE TO REPLACE BATTERIES”, CH143A until the batteries are replaced. -
Page 8: Operation
N.B.: the first press of a key only turns on the display light to allow for better viewing. 6 - OPERATION SUMMER/WINTER SELECTION Press both keys simultaneously to select SUMMER (cooling) or WINTER (heating) mode. CH121E istruzioni EN 5680075.indd 8 CH121E istruzioni EN 5680075.indd 8 15/11/2024 12:09:30 15/11/2024 12:09:30... - Page 9 ECONOMY / TMIN 2 ÷ 40 °C COMFORT / TMAX 2 ÷ 40 °C OFF ANTIFREEZE 0 ÷ 7 °C ANTIFREEZE temperature cannot be set in summer mode. CH121E istruzioni EN 5680075.indd 9 CH121E istruzioni EN 5680075.indd 9 15/11/2024 12:09:30 15/11/2024 12:09:30...
- Page 10 You may choose the time during to change back lighting duration. which back lighting remains on: OFF → always off 1 sec..10 sec. always - 10 CH121E istruzioni EN 5680075.indd 10 CH121E istruzioni EN 5680075.indd 10 15/11/2024 12:09:30 15/11/2024 12:09:30...
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Page 11: Thermostat Configuration
Press again to go back to the parameter index. enter To exit parameter configuration, press until the display reads “END”. Press 11 - CH121E istruzioni EN 5680075.indd 11 CH121E istruzioni EN 5680075.indd 11 15/11/2024 12:09:30 15/11/2024 12:09:30... - Page 12 * ± 0.3°C value suited for plants with slow thermal inertia, ± 2°C value suited for very reactivate plants. - 12 CH121E istruzioni EN 5680075.indd 12 CH121E istruzioni EN 5680075.indd 12 15/11/2024 12:09:30 15/11/2024 12:09:30...
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Page 13: Maintenance
13 - CH121E istruzioni EN 5680075.indd 13 CH121E istruzioni EN 5680075.indd 13 15/11/2024 12:09:30 15/11/2024 12:09:30... - Page 14 Intellicomfort CH121E - 14 CH121E istruzioni EN 5680075.indd 14 CH121E istruzioni EN 5680075.indd 14 15/11/2024 12:09:30 15/11/2024 12:09:30...
- Page 15 CH121E istruzioni EN 5680075.indd 15 CH121E istruzioni EN 5680075.indd 15 15/11/2024 12:09:30 15/11/2024 12:09:30...
- Page 16 FANTINI COSMI S.p.A. Via dell’Osio, 6 - 20049 Caleppio di Settala, Milan - ITALY Ph. +39 02 95682.222 | export@fantinicosmi.it www.fantinicosmi.com CH121E istruzioni EN 5680075.indd 16 CH121E istruzioni EN 5680075.indd 16 15/11/2024 12:09:30 15/11/2024 12:09:30...
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