Catalog excerpts
Product data sheet TFL 201: Frost protection monitor/limiter with capillary-tube sensor How energy efficiency is improved Avoiding frost damage in heating coils and ventilation ducts Temperature monitoring in heating coils and air ducts Variants as monitors or limiters Copper capillary tube Switching point can be set internally Small switching difference With capillary-tube holders made of plastic TFL201F**2 Technical data Power supply Max. load Switching difference Tolerance of switching difference Factory setting Setting range Time constant in moving air (0.3 m/s)1) Time characteristic Capillary tube length 1.5 m: 25 s Capillary tube length 3 m: 31 s Capillary tube length 6 m: 51 s Ambient conditions Ambient temperature Storage and transport temperature Connection terminals Plug-in connectors Cable cross-section Two sections, lower section black, upper section yellow, including inspection window Housing material Standards and directives Protection class Overview of types Type Switching difference Capillary tube Capillary tube holder The frost monitor always reacts to the coldest point (minimum length 7.5 cm (1.5 m), 15 cm (3 m) and 30 cm (6m)) The head of the instrument must be fitted in a warmer location than the sensor Right of amendment reserved © 201
Open the catalog to page 1Product data sheet Accessories Type Six holders for fitting the capillary tube Description of operation In the normal state, contacts 1-2 are closed. When the temperature falls below the lower change-over point (setpoint), the contacts switch from 1-2 to 1-4. When the temperature rises above the upper change-over point, the contacts switch from 1-4 back to 1-2. F022 and F622 limiter with mechanical locking: When the temperature has risen by the amount of switching difference Xsd again, the contacts can be manually reset (reset switch). Intended use This product is only suitable for the...
Open the catalog to page 2Product data sheet Connection diagram Monitor Dimension drawing Fr. Sauter AG Im Surinam 55 CH-4016 Basel Tel. +41 61 - 695 55 55 www.sauter-controls.com Right of amendment reserved © 2016 Fr. Sauter AG
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