The Five-Constant System usesYierp's four-pipe patent technology, allowing dual water temperature output. During operation, the system continuously checks the dew point to prevent condensation, achieving underfloor heating cooling. In the pure underfloor cooling mode, the main unit's water output goes directly to the dew point, without first going to 7 degrees and then mixing water, which directly reduces the main unit's energy consumption.
Yierp Five-Constant Mainframe Manufacturer
Radiant air conditioning heat source
Temperature and humidity dual control logic
The radiant pipes handle hot and cold temperatures, and the fresh air water pipes handle humidity and dryness. Both water systems can work at the same time, so there's no need to switch modes back and forth. Even during the super humid rainy season in the south, the radiant ends maintain safe high-temperature cold water to avoid condensation, while the fresh air water pipes output low-temperature cold water to fully dehumidify, so you won't get condensation or dripping indoors.
Core Feature Breakdown
The outdoor unit includes a full DC inverter EVI jet enthalpy compressor, evaporator, DC inverter fan, and electronic expansion valve, ensuring stable heating and cooling output at different outdoor temperatures. The built-in hydraulic unit integrates a dual waterway heat exchanger, two sets of variable frequency circulation pumps, a mixing valve assembly, water filters, and an exhaust pressure relief assembly.
Core security guarantee
The main unit connects to temperature, humidity, and dew point sensors distributed in each room via wired or wireless methods, collecting indoor environmental data in real time. The chip inside the main unit continuously calculates the indoor air dew point and automatically adjusts the supply water temperature on the radiant side, ensuring the surface temperature of the radiant panels is always higher than the dew point.
Our factory & Installation Case
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Yierp Five Constants Unit Operation Principle
| Five Constants Indoor Thermostat (Yierp Independently Developed) | |
| Temperature Probe | Humidity Probe |
| Yierp Independently Developerad 485 Fully Enclosed Communication lataProtocol (Secure Data Transmission) | |
| Data Transmitted to Yierp Five Constants Unit | |
| Main Unit Calculates Current Environmental Dew Point Temperature andand Sets Target Safe Water Temperature | |
| Five Constants Unit Intelligently Adjusts Water Temperature | |
| Actual Water Temperrmperature -> Adjustment Completed, Stable Operation | |
The installation schematic of the YIERP 5‑constant unit. It illustrates the pipeline and wiring connections between the 5‑constant main unit and components including air‑conditioning supply & return ports, radiation supply & return ports, fan coil units, manifolds, motorized valves and indoor thermostats. It marks each interface number and installation notes, clearly demonstrating the on‑site wiring and pipeline connection logic for the complete 5‑constant system.
the final view of project
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