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I have TRV on all of my radiators and my central heating pump is a Grundfos UPS2, the bloiler being Amptec. I have these questions:
1. Is the proportional pressure mode suitable for Amptec, or would it harm the boiler?
2. The proportional pressure mode is suitable for two pipe systems, my radiator piles go in the walls and I have no way to find out if the system is one pipe or two pipes. The property is 10 years old, do they still install one pipe systems in recent properties?
3. When I set the pump to proportional pressure mode, it makes almost no noise at all, is it normal? I opened the front valve in that mode and the pump does spin.
1. Is the proportional pressure mode suitable for Amptec, or would it harm the boiler?
2. The proportional pressure mode is suitable for two pipe systems, my radiator piles go in the walls and I have no way to find out if the system is one pipe or two pipes. The property is 10 years old, do they still install one pipe systems in recent properties?
3. When I set the pump to proportional pressure mode, it makes almost no noise at all, is it normal? I opened the front valve in that mode and the pump does spin.
