| 摘要 |
The invention discloses an underfloor-heating multi-type air conditioner system including: an outdoor machine, a refrigerant pipe connected with an output end of the outdoor machine, a manifold connected with an input end of the refrigerant pipe, an indoor machine connected with an output end of the refrigerant pipe, and a controller connected respectively with the outdoor machine and the indoor machine through a shielded signal line, wherein the underfloor-heating multi-type air conditioner system further includes: a set of underfloor-heating pipes including a composite underfloor-heating pipe, a third cutoff valve, a third filter, a third electronic expanding valve, a fourth cutoff valve and an underfloor-heating pipe control board; the composite underfloor-heating pipe is connected with the outdoor machine through the refrigerant pipe and a manifold; the third cutoff valve, the third filter and the third electronic expanding valve are arranged in sequence in the inflow direction of a refrigerant on the refrigerant pipe connected with a refrigerant inflow end of the composite underfloor-heating pipe; the third electronic expanding valve is electrically connected with the underfloor-heating pipe control board; and the fourth cutoff valve is arranged on the refrigerant pipe connected with a refrigerant outflow end of the composite underfloor-heating pipe. With the invention, heating can be provided by precisely controlling indoor temperature and effectively lower power consumption. |
