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Fantini Cosmi C800WIFI Programmable LED Thermostat Instruction Manual

INSTRUCTIONS FOR USE  
C800WIFI  
PROGRAMMABLE LED THERMOSTAT WITH  
WIFI CONNECTION  
FANTINI COSMI S.p.A.  
Via dell’Osio, 6 20049 Caleppio di Settala, Milano - ITALY  
Tel. +39 02 956821 | Fax +39 02 95307006 | info@fantinicosmi.it  
GeneralDetails
NameFantini Cosmi C800WIFI Programmable LED Thermostat Instruction Manual
MakeFantini Cosmi
LanguageEnglish
FiletypePDF (Download)
File size13.75 MB
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Fantini Cosmi C800WIFI Programmable LED Thermostat Instruction Manual
Get the free PDF manual for the Fantini Cosmi C800WIFI Programmable LED Thermostat Instruction Manual and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Fantini Cosmi C800WIFI LED Manual: Questions and Answers

Fantini Cosmi C800WIFI LED specifications

Battery life>1 year ( In STANDARD mode )
Storage temperature-10°C - +60°C
IP ratingIP32
Dimensions98 x 98 x 20 mm (C800WIFIQ)
Weight0.100 kg

Full specifications, page 48

How do I wake up the Fantini Cosmi C800WIFI LED from stand-by mode?

Press the MODE key for 2 seconds. Instruction Manual, p. 15

What happens when I reconnect the Fantini Cosmi C800WIFI LED to its wall plate?

The thermostat enters stand-by status with the display off and waits to resume operating conditions. Instruction Manual, p. 15

How long does the display stay on after waking the thermostat?

10 seconds by default, configurable via the App. Instruction Manual, p. 15

What do the MODE, UP and DOWN keys do on the Fantini Cosmi C800WIFI LED?

MODE wakes the device, switches between screens, and displays humidity or communication status. UP and DOWN change operating mode or setpoint temperature. Instruction Manual, p. 18

What's the difference between MAN and AUTO modes on the Fantini Cosmi?

ModeDescription
MANManual mode with one setpoint
AUTOAutomatic mode with two setpoints

Instruction Manual, p. 17

What do the red and white LEDs mean on the Fantini Cosmi C800WIFI LED?

Red LED indicates heating or cooling is on. White LED means heating or cooling is off. Instruction Manual, p. 16

Why isn't my Fantini Cosmi responding to app changes?

The app and thermostat don't communicate in real time to preserve battery life. Changes take time to process, and the thermostat accepts one change at a time.

  • Wait for the STATUS icon to disappear before sending another change
  • Don't send multiple changes at once
  • Communication interval can be adjusted in the app Instruction Manual, p. 27

Where do I find battery status on the Fantini Cosmi C800WIFI LED app?

Open CONSUMPTION from general settings. Battery status and estimated battery life appear based on your chosen communication time interval. Instruction Manual, p. 33

Can you find warranty information for the Fantini Cosmi C800WIFI LED in this manual?

Yes. General warranty conditions are listed on page 49 of the manual. Instruction Manual, p. 3

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