FantiniCosmi C820RQ LED Thermostat Instruction Manual

C820RQ
LED THERMOSTAT

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)

REGULATIONS AND APPROVALS

• Compliant with EN 60730-1 and second parts;
• Compliant with Directive 2014/30/EU (EMC); 2014/35/EU (LVD)
• ErP classification (Reg. EU 811/2013 – 813/2013): Class IV; 2%

DIMENSIONS mm

INSTALLATION

• SQUARE BASE: Wall-mounting or flush-mounting in box type 500 and 502 at a height of approx. 1.5 m above the floor in a suitable position to correctly detect the room temperature.

• RECTANGULAR BASE: Wall-mounting or flus mounting in type 503 box at a height of approx. 1.5 m above the floor in a suitable position to correctly detect the room temperature.

ELECTRICAL CHARACTERISTICS

ELECTRICAL CONNECTIONS

BATTERY POWER SUPPLY

Note: if the device is supplied with 230V current, batteries are not required.

always ON (only with 230V mains supply)
Temperature sensor type| NTC
Storage temperature| -10°C – 60°C
Protection rating| IP32
Degree of pollution| 2
Temperature display| Celsius
Display lock| with password
Limiting scale ranges| setting minimum and maximum setpoint value in summer/
winter

OPERATION

• The chrono thermostat has 3 buttons, the minimal functions of which vary according to the operating context. All more advanced functions and the setting of secondary parameters can be set from the advanced menu.
• The C8020RQ thermostat allows 3 operating modes:
  ■ COMFORT – for wellness-oriented adjustment.
  Adjustable from 2 to 40°C;
  ■ ECONOMY – for more energy-saving regulation.
  Adjustable from 2 to 40°C;
  ■ OFF – system switched off (Summer season) or in antifreeze mode, settable from 2 to 7°C (Winter season).

1. Down key – Decreases
2. Mode button + heating/cooling LED
3. Up key – Increases
4. Temperature and basic functions display

ADVANCED FUNCTIONS

The C820RQ is a room thermostat that allows temperature setpoint adjustment in ON/OFF or TPI mode.
OPTIMISATION
When the thermostat is set with ON/OFF control, this function allows the required setpoint temperature to be reached by acting on the on/off times of the heating/cooling system according to the type of system installed and the set  differential, minimising the energy consumption of the system itself.
TPI LOGIC (Time Proportional & Integral control)
If the thermostat is powered by 230V mains, the special TPI algorithm can be used. In this control mode, the thermostat reaches the setpoint with accuracy and precision to maintain a more constant level of comfort while guaranteeing the shortest possible system switch-on time.
Depending on a number of settable parameters, such as the energy class of the flat, the type of emission terminal, the proportional band, the control period and the room temperature, the thermostat optimises the system’s running time with proportional and integral action.
The output is always a single contact but time-controlled. As the room temperature reaches the setpoint temperature, the switch-on time of the thermostat in each period decreases. In this way, the TPI control reduces boiler starts and  maintains a more constant comfort level around the required setpoint. This translates into greater comfort and cost savings for the end user.
It is also possible to access two different menus for configuring certain parameters:

• USER MENU
  – Password setting
  – Stand-by time
  – Display light intensity
  – Offset for temperature correction
  – Season (summer/winter)
  – Firmware release version

• ADVANCED MENU:
  – Winter season minimum and maximum set point value
  – Summer season minimum and maximum set point value
  – Antifreeze setting
  – Data displayed on the homepage
  – ON/OFF – TPI control function
  – Optimisation for ON/OFF function
  – Static differential
  – Anti-seize pump
  – Virtual relay
  – Energy class for TPI function
  – Emission terminal for TPI function
  – TPI adjustment period
  – IPT proportional band
  – Device reset

SPECIFICATIONS

LED thermostat for room temperature control in heating and cooling systems.
Equipped with TPI adjustment algorithm for more precise and accurate generator control.
Chronothermostat features: White colour; Battery powered or 220-230Vac.
Operation: Economy, Comfort, Off.
1 relay output for boiler/chiller control with on/off or TPI. Display lock with password; Setting of minimum and maximum setpoint value in summer/winter; Anti-seize function; Wall mounting or on box type 502 and 503.
Temperature regulation scale 2 – 40 °C; Regulation differential STD / 0.3 – 5 °C; Reference temperature gradient 4K/h; Antifreeze temperature regulation scale 2 °C – 7 °C; Protection class IP32.
Compliant with EN 60730-1 and second parts. ErP classification: Class IV; 2% (Reg. EU 811/2013 – 813/2013), Compliant with Directive 2014/30/EU (EMC), Directive 2014/35/EU (LVD).

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