Shower Head Water Softener Carico Whole House Water Softener System?

Carico Whole House Water Softener System? - shower head water softener

Hello everyone,
I have a whole house water softener Carico system was installed in my house from the owner. We lived in this house for the past 3 years, but I've kept is because I moved, I Customs Service Manual for this device water softener and I wonder if anyone not part of this system or installed in the house? I know that salt should be replaced in this system, but have no idea how. I'm pretty hands on person, so if anyone has any suggestions on how the service system, and I really appreciate. I keep my showers and kitchen fittings, with clean lime deposits and wonder whether the failure of the system of soothing get upright. Please help!