1. Ifihan
This manual provides comprehensive instructions for the installation, operation, and maintenance of your C-LOGIC 420-TC Digital RF Thermostat. Please read this manual carefully before use to ensure proper functionality and to maximize the lifespan of your device. This thermostat is designed for remote control of heating or air conditioning systems without a WiFi connection, utilizing radio frequency communication between the transmitter and receiver units.
2. Ọja Ipariview
2.1 irinše
- Ẹka Atagba: The main control unit with an LCD screen and rotary knob for setting temperature and programming.
- Olugba Gbigba: Connects to your heating or cooling system and receives commands wirelessly from the transmitter.
2.2 Key Awọn ẹya ara ẹrọ
- Wireless RF Communication: Enables remote control of heating/cooling without a WiFi connection.
- Ibi ti o gbooro sii: Operates up to 100m outdoors and 30m indoors, suitable for large homes.
- Iboju LCD Afẹyinti: Provides clear display of temperature, time, and settings.
- Awọn ọna Iṣiṣẹ lọpọlọpọ: Includes Manual, Temporary Manual, Holiday, and three Automatic Programs.
- Eto Osẹ-ọsẹ: Program P1 is configurable for weekly schedules.
- Ibamu Wapọ: Works with gas, oil, pellet boilers, or air conditioners (max 5A).
- Eto To ti ni ilọsiwaju: Features adjustable hysteresis, temperature compensation, screen lock, and anti-freeze/descaling functions.

Figure 1: C-LOGIC 420-TC Digital RF Thermostat, showing the transmitter (left) and receiver (right).

olusin 2: Angled view of the C-LOGIC 420-TC Thermostat units.
3. Eto ati fifi sori
3.1 Package Awọn akoonu
Ṣaaju fifi sori ẹrọ, rii daju pe gbogbo awọn eroja wa:
- 1 x C-LOGIC 420-TC Transmitter Unit
- 1 x C-LOGIC 420-TC Receiver Unit
- Iṣagbesori skru ati odi plugs
- Instruction Manual (English and Spanish)

Àwòrán 3: Àwọn èròjà tí a fi sínú àpò náà.
3.2 Atagba Batiri sori
The transmitter unit requires 2 AA batteries (not included). Open the battery compartment on the back of the transmitter and insert the batteries, observing the correct polarity. Close the compartment securely.
3.3 Waya olugba
WARNING: Electrical installation should be performed by a qualified electrician. Ensure power is disconnected before wiring.
- Connect the receiver to your boiler or heating/cooling system using two wires (NO+COM terminals).
- Connect the receiver to a 230V mains power supply.

Figure 4: Wiring diagram for the receiver unit. Connect NO and COM to the boiler, and L and N to AC230V power.

olusin 5: Ẹyìn view of the receiver unit, indicating wiring terminals.
3.4 Iṣagbesori
Mount the receiver unit near your boiler and the transmitter unit in a central location within the desired control area. Use the provided screws and wall plugs for secure mounting.

Olusin 6: Example of transmitter and receiver placement for optimal communication.
3.5 Pairing (If units are not pre-paired)
The units are typically pre-paired at the factory. If pairing is lost or new units are introduced, refer to the detailed pairing instructions in the full manual. Generally, this involves pressing a pairing button on the receiver and then initiating a pairing sequence on the transmitter.

Figure 7: The RF signal ensures wireless communication between units.
4. Awọn ọna ṣiṣe
The C-LOGIC 420-TC offers several operating modes to suit your needs:
- Ipo afọwọṣe: Allows you to set a constant desired temperature that the system will maintain until changed.
- Ipo Afowoyi Igba diẹ: Overrides the current program for a set period, after which it reverts to the programmed schedule.
- Ipo Isinmi: Maintains a specific temperature for an extended period (e.g., during a vacation) to save energy while preventing freezing.
- Awọn eto Aifọwọyi: The thermostat includes three automatic programs:
- P1 (Configurable Weekly): Allows you to set a personalized heating/cooling schedule for each day of the week.
- P2 (Predefined): A factory-set program for typical daily use.
- P3 (Predefined): Another factory-set program, offering a different schedule.
5. Programming Weekly Schedule (P1)
To configure Program P1, navigate to the programming menu using the thermostat's controls. You will typically be able to set different temperature targets for various time segments throughout each day of the week. Consult the full instruction manual for detailed steps on setting specific time and temperature points for P1.
6. Awọn Eto To ti ni ilọsiwaju
The C-LOGIC 420-TC includes several advanced settings for fine-tuning its operation:
- Titiipa iboju: Prevents unintended changes to settings, useful in public areas or homes with children.
- Adjustable Hysteresis (1–9 °C): Controls the temperature differential before the heating/cooling system activates. A smaller hysteresis means more frequent but precise temperature control.
- Biinu iwọn otutu: Allows for calibration of the displayed temperature if it differs from an external reference.
- Automatic Anti-freeze/Descaling Function: Helps protect your heating system from freezing and reduces scale buildup in valves.
7. Itọju
7.1 Batiri Rirọpo
When the low battery indicator appears on the transmitter's LCD screen, replace the 2 AA batteries promptly to ensure continuous operation. Use high-quality alkaline batteries for best performance.
7.2 Ninu
Wipe the thermostat's exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the device.
8. Laasigbotitusita
If you encounter issues with your C-LOGIC 420-TC thermostat, consider the following:
- Ko si Ifihan/Agbara: Check transmitter batteries. Ensure receiver is properly connected to 230V power.
- No Communication (RF Signal Lost): Ensure both units are within range (max 30m indoors). Check for obstructions or interference. Re-pair the units if necessary (refer to section 3.5).
- Kika iwọn otutu ti ko tọ: Verify temperature compensation settings. Ensure the transmitter is not placed near heat sources or drafts.
- Eto Ko Dahun: Check receiver wiring to the boiler. Ensure the boiler itself is operational. Verify the thermostat is in the correct operating mode.
For persistent issues, consult the comprehensive troubleshooting guide in the full product manual or contact customer support.
9. Awọn pato
| Ẹya ara ẹrọ | Sipesifikesonu |
|---|---|
| Brand | C-LOGIC |
| Nọmba awoṣe | 420-TC |
| Àwọ̀ | Funfun |
| Awọn iwọn Ọja (L x W x H) | 8.6 x 8.6 x 2.9 cm |
| Iwọn Nkan | 300 giramu |
| Orísun Agbára Olùgbéjáde | Awọn batiri 2 x AA (kii ṣe pẹlu) |
| Orisun Agbara olugba | 230 Volts |
| Asopọmọra Technology | RF (Igbohunsafẹfẹ Redio) |
| Iwọn otutu | 5 °C si 35 °C |
| Iwọn otutu konge | ±0.5 °C |
| Hysteresis Range | 1–9 °C (Adjustable) |
| Max Receiver Capacity | 5A |
| Indoor RF Range | Ti o to awọn mita 30 |
| Outdoor RF Range | Ti o to awọn mita 100 |
| Awọn Lilo pato | Heating, Air Conditioning |
| Awọn irinše to wa | Transmitter, Receiver, Mounting Hardware, Manual |

Figure 8: Dimensions of the C-LOGIC 420-TC transmitter and receiver units.
10. Atilẹyin ọja ati Support
Information regarding warranty coverage and customer support contacts is typically provided in the product packaging or the full instruction manual. Please refer to those resources for details on warranty periods, claims, and technical assistance.