Harness constant geothermal energy to create a cozy, personalized system for luxury villas
YIERP focuses on the research and manufacturing of all-inverter ground source heat pumps. We integrate core components from brands like Mitsubishi, Danfoss, and Fuji Electric. The equipment comes with our self-developed PID algorithm, dew point tracking radiant cooling, and dual PWM variable-speed pumps. It can combine cooling, floor heating, and domestic hot water supply all in one unit.
1. Top-Notch Mitsubishi Inverter Compressor
Uses a Mitsubishi inverter compressor, which is a high-end component in the heat pump industry. Its unique ship-shaped motor structure and precise thermal riveting technology greatly reduce internal friction loss. It's more durable than ordinary compressors, with a 40% lower failure rate.
2. Ultra-Wide Range Stepless Inverter Modulation
The YIERP full inverter GSHP can run steplessly from 10 Hz to 120 Hz to adapt to seasonal ground loop water temperature fluctuations. Even when there are large temperature differences in the ground loop, it can maintain stable heating in cold seasons and stable cooling in hot seasons. It adapts to both high and low loads across the full range, with year-round efficiency unaffected.
The ultra-low 10 Hz operation mode is designed for energy-saving constant temperature performance. Once the set point is reached, the equipment continues running at low frequency instead of frequently starting and stopping. This effectively reduces fluctuations in water and room temperature, lowers noise, and significantly cuts long-term electricity costs.
Final Solution
PID Precision Temperature Control
The YIERP full inverter ground source heat pump uses PID (Proportional-Integral-Derivative) intelligent control logic. The water temperature control accuracy can reach ±0.5°C. For example, if the cooling set point is 7°C, the water loop temperature stays stable between 6.5°C and 7.5°C. It provides precise low-frequency constant temperature without fluctuations. The equipment runs continuously at low frequency instead of frequently turning on and off, ensuring an extremely comfortable experience.
Built-in dual Inverter pumps
The main unit integrates two-channel PWM variable frequency pumps, both controlled by the main unit. It collects real-time supply and return water temperature differences from both the source side and user side. Driven by PWM regulation logic, it dynamically adjusts the working power of the two pumps to deliver water flow on demand.
This greatly reduces the hydraulic power consumption of the whole system. The integrated design simplifies on-site piping layout, making it easier to install and less prone to failures.
Dew point tracking
The YIERP full inverter ground source heat pump works together with the original YIERP factory thermostat through an integrated communication protocol. The thermostat collects real-time indoor temperature and humidity and accurately calculates the air dew point temperature. It uses a dew point tracking dynamic water temperature control strategy. It's suitable for floor or ceiling radiant cooling. Even under high humidity conditions, the radiant cooling can operate stably without causing condensation.
Ground source heat pump
YIERP All-Inverter Ground Source Heat Pump
Paired with the MIERP fully integrated inverter, it supports super-wide 10–120Hz stepless frequency operation, adaptable to both high and low voltage grids, and works all year round with stable performance under full load. Running at ultra-low 10Hz can improve issues in ground-source applications, like inefficient air conditioning, uncontrolled water temperatures, and poor room temperature adjustment, while reducing extra noise and energy waste.
This full inverter ground source heat pump unit has integrated heating and cooling with dual temperature and humidity control. It uses a Mitsubishi inverter compressor combined with ultra-wide stepless inverter control technology for stable and efficient operation. With the help of a PID algorithm, it achieves precise temperature control within ±0.5°C, and the radiant cooling system uses dual PWM inverter adjustment.
The YIERP full-inverter ground source heat pump features a three-layer soundproof structure. It achieves triple noise and vibration insulation through a composite acoustic barrier wall, sound source suppression components, and high-density sound-absorbing materials, allowing super-quiet operation. At the same time, it's equipped with an efficient radiator to ensure stable unit performance.
The YIERP full inverter ground source heat pump is equipped with a Danfoss plate heat exchanger and paired with a Fuji Electric high-precision folding electronic expansion valve, allowing precise control of the refrigerant flow and stable superheating. The unit uses a liquid-cooled drive cooling system, integrating an electronic control unit with a dynamic cooling mechanism. Its operating range is safe and controllable
The YIERP full inverter ground source heat pump is a high-performance all-in-one heating and cooling system designed for high-end residences, large apartments, and villas. It works with the Five-Constant Smart Microclimate Radiation System, taking advantage of the stable ground temperature for energy storage. With full inverter operation, precise heat exchange control, noise reduction design, and cloud-based intelligent maintenance, it delivers efficient cooling and heating, providing a stable and reliable heat source for the radiation endpoints. The entire unit, from the core compressor, heat exchange components, flow regulation, cooling system, inverter control, and noise protection to cloud maintenance, forms a complete hardware and smart system.
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