2Solenoid Valve

Solenoid valve troubleshooting

Operation OFF?

Check solenoid valve wiring for incorrect connection, and connector disconnection or looseness.

Yes

No problem. Correct the problem.

No

Operate cooler and heater for the applicable solenoid valve’s refrigerant system only.

Note 1

 

Clicking noise

No

produced when working

 

timing?

 

Yes

Yes

Measure piping temperature on both sides of solenoid valve and check for following. Solenoid valve ON:

no differential Solenoid valve OFF: differential

No

OK?

Yes

Remove the coil and check for a magnetic force.

 

 

 

 

Magnetic

force

No

 

 

is

OK?

 

 

Yes

 

Note 3

 

 

 

 

 

 

Measure pipe temperature of inlet and outlet sides of solenoid valve.

No temperature differential: OK

Temperature differential: NG

No

OK?

Yes

Stop the unit.

Disconnect solenoid valve connector from the board and check for a solenoid coil conductance.

No

Conductance present?

Yes

With the solenoid valve con-

nector is disconnected from the

board, use remote controller to turn on the unit and check the

output (220-240V) from the controller board.

Yes

220-240V output?

No

Change the control

Change the

board.

solenoid valve.

Solenoid valve normal

Solenoid valve faulty

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Mitsubishi Electronics PURY-P400, P500YMF-C specifications Solenoid Valve
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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.
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