Heating operation | Mitsubishi Electronics P500YMF-C, PURY-P400

(5) Heating operation

1.Indoor unit fan very low speed operations

2.Inverter output 0Hz

3.Indoor unit LEV, oil return LEV fully closed

4.Solenoid valve OFF

5.Outdoor unit fan stop

6.BC controller solenoid valve

OFF

7.BC controller LEV fully closed

Heating operation

Note : 1

Note : 2

Defrosting YES

operation

4-way valve ON

YES

Test run start

Thermostat ON

YES

YES 3-minute restart

prevention

1.Indoor and outdoor unit fan control

2.Inverter frequency control

3.Indoor unit LEV, oil return LEV control

4.Solenoid valve control

5.BC controller solenoid valve control

6.BC controller LEV control

Normal operations

Defrosting operations

Stop

Test run

4-way valve OFF

1.Indoor unit fan stop

2.Inverter defrost frequency control

3.Indoor unit LEV fully opened, oil return LEV fully closed

4.Solenoid valve control

5.Outdoor unit fan stop

6.BC controller solenoid valve control

7.BC controller LEV control

Note : 1	When outdoor unit starts defrosting, it transmits defrost operations command to (BC controller and) indoor unit, and the
	indoor unit starts defrosting operations.
	Similarly when defrosting operation stops, indoor unit returns to heating operation after receiving defrost end command of
	outdoor unit.

Note : 2	Defrosting start condition	: After integrated 50 minutes of compressor operations, and –8˚C: or less outdoor unit coil
		temperature. (TH7)
	Defrosting end condition	: After 12 minutes of defrosting operation or the outdoor unit coil temperature (TH5 and TH7)
		having risen to 7˚C or more.

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PURY-P400, P500YMF-C specifications

Mitsubishi Electronics has long been a leader in the HVAC industry, known for its innovative technology and reliable performance. Among its notable offerings are the P500YMF-C and PURY-P400 models, designed to address the diverse needs of commercial and residential applications.

The Mitsubishi P500YMF-C is a high-performance outdoor unit that showcases energy efficiency and advanced refrigerant technology. It employs a sophisticated inverter-driven compressor, which optimizes energy usage by adjusting its speed based on the specific heating and cooling demands of the environment. This flexibility helps to minimize energy consumption while ensuring optimal comfort.

One of the standout features of the P500YMF-C is its ability to provide consistent heating and cooling even in extreme outdoor temperatures. The unit can operate effectively in low-temperature conditions, making it ideal for regions with harsh winters. Furthermore, the system is designed with a robust build, ensuring durability and longevity.

On the other hand, the PURY-P400 is an indoor multi-split system that complements the outdoor unit perfectly. It's designed for versatility and efficiency, capable of accommodating multiple indoor units connected to a single outdoor unit. This feature is particularly beneficial for larger spaces or buildings where different zones require individual climate control.

The PURY-P400 incorporates Mitsubishi's advanced filtration technology, which significantly improves indoor air quality. It features a multi-layer filtration system that effectively removes dust, allergens, and other particulates from the air, ensuring a healthier environment for occupants.

Both systems utilize R-32 refrigerant, which has a lower global warming potential compared to traditional refrigerants. This not only makes them more eco-friendly but also complies with emerging environmental regulations. The ease of installation and operation of these units is another noteworthy characteristic, with intuitive controls and user-friendly interfaces that facilitate seamless integration into existing systems.

In summary, the Mitsubishi P500YMF-C and PURY-P400 represent a fusion of technology, efficiency, and user-centric design. With a range of features aimed at enhancing performance and environmental sustainability, these models are an excellent choice for anyone looking to invest in a reliable and efficient HVAC system. Whether for residential or commercial use, Mitsubishi’s offerings continue to set the standard in comfort and efficiency.

Mitsubishi Electronics P500YMF-C, PURY-P400 specifications Heating operation

Models: PURY-P400 P500YMF-C