Checking code

Meaning, detecting method

 

Cause

Checking method & Countermeasure

5301 IAC sensor/

1 If IAC

3 Arms is detected just

6)

The circuit board is defective.

If none of the items in 1) to 5) is appli-

circuit

before the inverter starts, or

 

 

cable, and if the trouble reappears

abnormality

If IAC

3 Arms is detected dur-

 

 

even after the power is switched on

 

ing inverter operation after 5

 

 

again, replace the circuit board by fol-

 

seconds has passed since the

 

 

lowing procedure (when replacing the

 

inverter started when the INV

 

 

circuit board, be sure to connect all

 

board’s SW1-1 is OFF.

 

 

the connectors, ground wires, etc.

 

[Inverter error detail : 6]

 

 

securety)

 

 

 

 

 

1 If the problem is solved after the

 

2 If the current sensor (ACCT)

 

 

G/A board only is replaced, then the

 

miss-wiring is detected during

 

 

G/A board is defective.

 

inverter operation.

 

 

2 If the problem is not solved, rein-

 

[Inverter error detail : 13]

 

 

stall the INV board and replace the

 

 

 

 

 

INV board. If the problem is solved,

 

 

 

 

 

the INV board is defective.

 

 

 

 

 

3 If the problem is not solved by 1

 

 

 

 

 

and 2above, replace both boards.

 

 

 

 

 

7130 Different

An exclusive R22 refrigerant indoor

1)

An error was made in the MAIN

If the model name plate on the outdoor

indoor model

unit was connected to a R407C

 

board of the outdoor unit (replaced

unit says that it is an exclusive R22

connected

refrigerant outdoor unit.

 

with the wrong circuit board).

model, and if error “7130” has occurred,

abnormality

 

 

 

 

the MAIN board for the outdoor unit is

 

 

 

 

 

a R407C model circuit board, so re-

 

 

 

 

 

place it with the MAIN board for the R22

 

 

 

 

 

model.

 

 

 

2) An error was made in selecting the

If the model name plate for the indoor

 

 

 

 

indoor unit (installation error).

unit is an exclusive R22 model, install

 

 

 

 

 

a unit which can also operate with

 

 

 

 

 

R407C.

3)An error was made in the indoor If the model name plate on the indoro unit’s circuit board (replaced with unit indicates that it is also capable of

the wrong circuit board).

operating with R407C, and error “7130”

 

occurs, the indoor unit’s circuit board

 

is for an exclusive R22 model, so re-

 

place it with the circuit board for a unit

 

which is also capable of using R407C.

–117–

Page 118 Page 120
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Image 119
Mitsubishi Electronics PURY-P400, P500YMF-C specifications 117
Page 118 Page 120

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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