When we buy new device such as Sigma AS-H50Y we often through away most of the documentation but the warranty.
Very often issues with Sigma AS-H50Y begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Heat Pump Sigma AS-H50Y is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Heat Pump on our side using links below.