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Pertanyaan umum tentang TG dari 3G Electric.
What temperature ranges are available for TG aquastats?
TG aquastats are available in several temperature ranges to suit different applications. Common ranges include 0-40°C, 0-60°C, 0-90°C, and 0-120°C, depending on the model. For example, the TG water thermostat with external adjustment covers 0-40°C, while the aquastat with external adjustment covers 0-90°C or 0-120°C. Safety aquastats, such as the model with internal adjustment, are typically set for high-temperature cut-off in the 90-110°C range. Always verify the specific SKU's datasheet to confirm the exact setpoint range and adjustment type.
What is the difference between external and internal adjustment on TG thermostats?
External adjustment on TG thermostats allows the user to change the setpoint without opening the housing, typically via a dial or knob on the exterior. This is convenient for applications where frequent adjustments are needed. Internal adjustment requires opening the unit to access a screw or trimmer, which is often used for safety devices to prevent tampering. For example, the TG sealed aquastat with external adjustment (0-60°C) is easy to recalibrate, while the safety aquastat with internal adjustment (90-110°C) is designed for fixed high-limit settings. Choose based on your operational needs for accessibility and security.
Can TG thermostats be used for both heating and cooling applications?
Yes, TG thermostats are versatile and can be used in both heating and cooling systems, depending on the model and wiring configuration. For heating, they are commonly used in boilers and water heaters to regulate temperature. For cooling, they can control refrigeration or chiller systems. The capillary sensor allows remote temperature sensing, making them suitable for duct or pipe mounting. However, always check the electrical ratings and temperature range of the specific TG model to ensure it matches your system's requirements. For safety-critical applications, use TG safety aquastats with appropriate cut-off settings.
What is the capillary tube length on TG thermostats, and why does it matter?
TG thermostats come with capillary tube lengths, typically 1.5 meters, as seen in models like the aquastat with external adjustment (0/90°C) and the water thermostat (0/40°C). The capillary tube connects the sensing bulb to the switching mechanism, allowing the sensor to be placed at a distance from the control unit. This is important for installations where the sensing point is remote from the control panel, such as in large tanks or pipelines. A longer capillary provides more flexibility in mounting, but ensure the tube is not kinked or damaged during installation to maintain accuracy.
Are TG thermostats suitable for use in wet or humid environments?
Many TG thermostats feature sealed housings, such as the sealed aquastat and sealed thermostat models, which provide protection against moisture and dust ingress. These are suitable for wet or humid environments, such as boiler rooms or outdoor installations, where exposure to condensation is possible. However, not all TG models are sealed; for example, surface-mounted thermostats may have a lower ingress protection rating. Always review the IP rating or enclosure type specified in the datasheet for the particular SKU to ensure it meets your environmental requirements.
How do I select the correct TG thermostat for my application?
To select the correct TG thermostat, consider the following factors: temperature range (e.g., 0-60°C, 0-90°C), adjustment type (external or internal), sensor type (capillary, immersion, or surface), and electrical ratings (voltage and current). For boiler control, an immersion aquastat with external adjustment is common. For safety cut-off, use a safety aquastat with a fixed high limit. Also, check the capillary length needed for your installation. 3G Electric provides datasheets for each SKU, which include detailed specifications to help you match the thermostat to your system's requirements.



