119 | Mitsubishi Electronics PURY-P400, P500YMF-C instruction

Checking	Meaning, detecting method	Cause	Checking method & Countermeasure
code	Meaning, detecting method	Cause	Checking method & Countermeasure
code

6602	Transmission processor hardware	Checking method and processing
	error

	Transmission line	YES
	installed while turning	Shut off the power source of outdoor/in-
	installed while turning	door units/BC controller and make it again.
	power source on?	door units/BC controller and make it again.
	power source on?
	NO

Check power source of indoor

unit.
220V ~ 240V?	NO	Erroneous power
220V ~ 240V?		source work
		source work
YES
Check transmission line
work and shield finish
Ground fault or shield	YES	Erroneous transmis-
contacted with transmission		Erroneous transmis-
contacted with transmission		sion work
line?		sion work
line?
NO
System composition?
Single refrigerant	Plural refrigerant	MELANS connected
system	system	system
Confirm supply power		Confirm supply power
connector CN40 of outdoor unit		connector CN40 of outdoor unit
YES	Only 1 set with	NO
	Only 1 set with	CN40 inserted?
	CN40 inserted?	CN40 inserted?
	CN40 inserted?
		YES
Modification of CN40		Replace insertion
insertion method.		of CN40 to CN41

Investigation of trans-

* For the investigation method, follow <Investiga-

mission line noise

tion method of transmission wave shape/noise>

YES

Noise

exist?

Investigation of the

cause of noise

Faulty controller of

generating unit

Modification of

faulty point

6603 Transmission circuit bus-busy er-

1) As the voltage of short frequency like

Check transmission wave shape/noise on trans-

ror

noise is mixed in transmission line

mission line by following <Investigation method

1 Collision of data transmission:

continuously, transmission processor

→

of transmission wave shape/noise>.

Transmission can not be per-

can not transmit.

No noise indicates faulty controller of generat-

formed for 4~10 consecutive

2) Faulty controller of generating unit.

ing unit.

minutes due to collision of data

→ Noise if existed, check the noise.

transmission.

2 Data can not be transmitted on

transmission line due to noise

for 4~10 consecutive minutes.

Note:

The address/attribute

shown on remote

controller indicates the

controller which has

detected error.

–119–

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 PURY-P400, P500YMF-C 119, Checking method and processing Error

Models: PURY-P400 P500YMF-C

Checking method and processing

error

YES

YES

YES

YES

YES

YES

6603 Transmission circuit bus-busy er-

→ Noise if existed, check the noise.

–119–

PURY-P400, P500YMF-C specifications