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FantiniCosmi C820RQ LED Thermostat Instruction Manual
CHRONOTHERMOSTATS,
THERMOSTATS
AND THERMOREGULATION
C820RQ
LED THERMOSTAT
■ Modern, contemporary design with 3 LED digits
and 3 buttons
■ Universal installation and flexibility of use thanks
to dual battery and 230V power supply and
complete rectangular and square base kit
■ Suitable for controlling heating or cooling
systems also for hospitality applications
■ Energy saving and comfort optimisation through
modulating control (with TPI technology - Time
Proportional and Integral control)
Power supply
2 x 1.5V AA alkaline batteries
or 220-230Vac@50Hz
> 1 year
Battery life
Relay contact range
5(3)A 250 Vca
2 - 40°C, increase 0.1°C
STD, 0.3 - 5 K
4 K/h
Temperature adjustment scale
Adjustment differential
Thermal gradient of reference
REGULATIONS AND APPROVALS
DIMENSIONS mm
■ Compliant with EN 60730-1 and second parts;
347,
■ Compliant with Directive 2014/30/EU (EMC);
;:
42
2014/35/EU (LVD)
■ ErP classification (Reg. EU 811/2013 - 813/2013):
Class IV; 2%
1
| General | Details |
|---|---|
| Name | FantiniCosmi C820RQ LED Thermostat Instruction Manual |
| Make | FantiniCosmi |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.19 MB |

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Fantini Cosmi C820RQ LED Manual: Questions and Answers
Fantini Cosmi C820RQ LED specifications
| Power supply | 2 x 1.5V AA alkaline batteries |
| Battery life | > 1 year |
| Sensor | NTC |
| Storage temperature | -10°C - 60°C |
| IP rating | IP32 |
How do I change the temperature setting on Fantini Cosmi?
Use the Up and Down keys to adjust the setpoint.
- Press Up to increase temperature or Down to decrease.
- Adjustment range is 2 to 40°C in 0.1°C steps. Instruction Manual, p. 3
What does the OFF mode do on Fantini Cosmi C820RQ LED thermostat?
In summer, it switches the system off completely. In winter, it activates antifreeze mode and maintains temperature between 2 to 7°C. Instruction Manual, p. 3
What's the difference between COMFORT and ECONOMY modes on Fantini Cosmi C820RQ LED?
COMFORT prioritizes wellness with adjustable setpoint. ECONOMY saves energy with adjustable setpoint. Both range 2 to 40°C. Instruction Manual, p. 3
What do the three buttons do on Fantini Cosmi C820RQ LED?
Down key decreases temperature, Mode button switches operating modes and shows heating/cooling status, Up key increases temperature. Instruction Manual, p. 3
Fantini Cosmi C820RQ LED compared with other room thermostats
| Specification | Fantini Cosmi C820RQ LED | BECA BHP-8000 C | BECA BHT-7000 | Fantini Cosmi C820RQ Power |
|---|---|---|---|---|
| Power supply | 2 x 1.5V AA alkaline batteries | 24VDC/AC +10% | 95 ~240 VAC, 50~60Hz or 24V DC/AC, 50~60Hz | 230 V - 50 Hz |
| Storage temperature | -10°C - 60°C | 23~113℉ (-5~45℃) | -10~ 45°C | -10 ÷ +60 °C |
| IP rating | IP32 | IP20 | IP20 | IP32 |

















