Sime is an Italian manufacturer of advanced heating and hot water systems, producing high-efficiency boilers, renewable energy solutions, and intelligent climate controls.
Fonderie SIME S.p.A., known globally as Sime, is a prominent Italian manufacturer specializing in heating, hot water, and renewable energy solutions. With a history spanning over 50 years, the company has established itself as a leader in the HVAC industry, renowned for its commitment to comfort, energy efficiency, and environmental sustainability.
Sime's extensive product portfolio includes wall-mounted and floor-standing condensing boilers, heat pumps, solar thermal systems, and hybrid integrated units. The brand also offers advanced control systems, such as the Home Plus remote control, designed to optimize system performance and user convenience. Engineered for both residential and commercial applications, Sime products combine Italian design with robust technology to deliver reliable climate comfort.
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Check the pressure gauge or digital display on the control panel. The pressure should typically be between 1.0 and 1.2 bar when the system is cold. If it is lower, use the filling loop to repressurize it.
The 'ALL' message indicates an alarm or fault status, followed by a specific error code (e.g., ALL 02). Refer to your user manual to interpret the specific code and determining if a reset is required.
Press the mode button (often indicated by a sun/snowflake icon) on the control panel to cycle between Summer (hot water only) and Winter (heating and hot water) modes.
User manuals can be downloaded from the 'Documentation' section of the official Sime website or viewed in the manuals archive on this page.