Mitsubishi Electric · Heat pumps · Mitsubishi Electric Ecodan FTC7 controller (PUZ-WM/WZ, PUHZ-SW)
LHBoiler circulation water freeze protection
Name in the manufacturer's documentation (service manual): Boiler circulation water freeze protection
[1]
This page only quotes the original English documentation. A plain-language explanation has not been written yet, so the page is not indexed by search engines.
For technicians
Steps given by the manufacturer (source text)
- Flow rate of the heating circuit from the boiler may be reduced. Check for water leakage, magnetic filter / strainer blockage, water circulation pump function[2]
⚠ Work on refrigerant circuits, mains electricity and PV DC wiring is for qualified technicians only.
The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →
Sources
Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.
- [1] Mitsubishi Electric Ecodan FTC7 PAC-IF081B-E / PAC-IF082B-E / PAC-IF083B-E – Installation Manual (DG79H200H02) , p. 33 official manufacturer document quote verified
LH Boiler circulation water freeze protection
- [2] Mitsubishi Electric Ecodan FTC7 PAC-IF081B-E / PAC-IF082B-E / PAC-IF083B-E – Installation Manual (DG79H200H02) , p. 33 official manufacturer document quote verified
lh boiler circulation water freeze protection