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Pertanyaan umum tentang Roca dari 3G Electric.
What is the Roca PCM series and what components are available?
The Roca PCM series is a modular boiler platform designed for small to mid-scale heating applications. Components available include safety bulb probes (e.g., 122120590), boiler temperature probes (Q2, 122155310), control cards (122126440), valves (700500490), drain valves (RS20120, 122151930), magnetic floats (122080430, 122080150), and circulation pumps (60073887). These parts are engineered to OEM specifications and are cross-referenced by Roca part numbers to ensure correct fit and function.
How do I identify the correct Roca replacement part for my boiler?
Each Roca component is identified by a unique part number, such as 122155360 or 5699393. To find the correct replacement, cross-reference the part number from your existing component or your boiler's service manual. 3G Electric lists these part numbers in product descriptions, allowing you to match them directly. If you are unsure, consult the technical documentation for your boiler model, as Roca parts are designed for specific PCM series configurations.
Are Roca circulation pumps available in different power ratings?
Yes, Roca circulation pumps are available in configurations such as the 30W model (e.g., SKU PCM26008, part number 60073887). These pumps are designed for standard EU operating pressures and temperatures, suitable for modular boiler systems. The 1-speed configuration is common for consistent flow in heating loops. Always verify the pump's specifications against your system's requirements to ensure proper performance.
What is the function of the Q1 and Q2 temperature probes in Roca systems?
The Q1 and Q2 temperature probes are used for primary and secondary circuit monitoring in Roca boiler systems. The Q2 probe (e.g., 122155310) measures the temperature in the secondary circuit, providing feedback to the control card for regulating burner operation. This ensures efficient heating and prevents overheating. These probes are critical for accurate temperature control and should be replaced with OEM parts to maintain system reliability.
Can Roca control cards support multi-stage ignition sequencing?
Yes, Roca control cards (e.g., 122126440) are designed to support multi-stage ignition sequencing in modular boiler installations. This allows for staged operation of burners, improving efficiency and reducing wear. The control card manages ignition timing and monitors safety inputs, such as temperature probes and safety bulbs. When replacing a control card, ensure it matches the original part number to maintain compatibility with your boiler's wiring and sensors.
Are Roca safety bulb probes compatible with all PCM boiler models?
Roca safety bulb probes, such as the 6.5mm model (122120590), are designed for specific PCM series boilers. Compatibility depends on the probe's diameter and connection type. Always check the part number against your boiler's specifications. The 6.5mm probe is a common size, but other diameters may be required for different models. Using the correct probe ensures proper safety shutdown in case of overheating.


