Central Heating Control Panel – 8-Zone System with GEO-09RF WIFI Wireless Thermostats

Product Application

This central heating control panel with thermostats is designed for zoned temperature control in residential and commercial buildings. The 521 wireless central control unit, combined with GEO-09RF WIFI  wireless thermostats, enables easy monitoring and regulation of room and floor temperatures throughout the year.

Suitable for:

• water underfloor heating systems

• gas boiler control

• mixed heating systems

• individual zone temperature management

Key Advantages

✔️ Supplied with HY09RF WIFI wireless thermostats
Ready-to-use solution without the need for additional components.

✔️ Up to 8 heating zones
Independent temperature control for each zone.

✔️ Wireless RF communication (470 MHz)
Flexible thermostat installation without wiring.

✔️ Weekly programmable control
Custom temperature schedules for each week.

✔️ Large LCD touchscreen display
Clear and user-friendly operation.

✔️ High energy efficiency
Heating operates only when required, reducing energy costs.

Technical Specifications

Central Control Unit – 521 CCU

• Number of zones: 8

• Power supply: 90–240 Vac, 50/60 Hz

• Output voltage: 230 Vac, 50/60 Hz

• Maximum load current: 5 A

• Supported thermostats: up to 8 pcs

• Supported actuators: up to 16 pcs

• Circulation pumps: 2

• Dimensions: 320 × 95 × 38 mm

• Wireless Thermostat – GEO-09RF WiFi

  • Easy control via smartphone

  • Easy operation through touch screen

  • Display: large LCD touch screen

  • Programming: weekly (1 week as a cycle)

  • Power supply: USB power or 4 × AAA 1.5 V alkaline batteries

  • Temperature display range: 1–70°C

  • Default setpoint adjustment range: 5–35°C

  • Display accuracy: ±0.5°C

  • Temperature sensor: NTC (10k, ±1%)

  • Wireless frequency: 470 MHz

  • Installation: wall-mounted or placed on a stand

Operating Principle

The 521 CCU central control unit receives signals from GEO-09RF WIFI wireless thermostats and automatically controls heating circuits, actuators and circulation pumps. The system maintains the set temperature in each zone, ensuring comfort and efficient energy usage.

Applications

• Residential houses

• Apartments

• Offices

• Commercial premises

• Water underfloor and radiator heating systems