105 | Mitsubishi Electronics PURY-P400, P500YMF-C specification

Checking code

Meaning, detecting method

Cause

Checking method & Countermeasure

1102

Discharge

When 140˚C or more discharge

Gas leak, gas shortage.

See Refrigerant amount check.

temperature

temperature is detected during

abnormality

operations (the first time), out-

Overload operations.

Check operating conditions and opera-

(Outdoor

unit)

door unit stops once, mode is

tion status of indoor/outdoor units.

changed to restart mode after

3 minutes, then the outdoor unit

3) Poor operations of indoor LEV.

Check operation status by actually

restarts.

4) Poor operations of BC controller

performing cooling or heating opera-

LEV:

tions.

When 140˚C or more temp. is

Cooling-only : LEV3

Cooling

: Indoor LEV

detected again (the second

Cooling-main

: LEV1, 3

(Cooling-only)

LEV1, 3 (BC)

time) within 30 minutes after

Heating-only, Heating-main:

SVM1 (BC)

stop of outdoor unit, emergency

LEV3

SVA (BC)

stop is observed with code No.

Defronst

: LEV3

Heating

: Indoor LEV

“1102” displayed.

5) Poor operations of BC controller

(Heating-only)

LEV3 (BC)

SVM1 :

SVB (BC)

When 140˚C or more temp. is

Cooling-only, defrost

SV3 ~ 8

detected 30 or more minutes

6) Poor operations of BC controller

after stop of outdoor unit, the

SVA :

See Trouble check of LEV and sole-

stop is regarded as the first time

Cooling-only, Cooling-main

noid valve.

and the process shown in 1 is

7) Poor operations of BC controller

observed.

SVB :

Heating-only, Heating-main

4. 30 minutes after stop of outdoor

8) Poor operations of solenoid

unit is intermittent fault check

valves.

period with LED displayed

SV (3 ~ 8)

(1202).

Heating-only, Heating-main

9) Setting error of connection

Check address setting of indoor unit

address (PURY).

connection.

10)Poor operations of ball valve.

Confirm that ball valve is fully opened.

11) Outdoor unit fan block, motor

Check outdoor fan.

trouble, poor operations of fan

See Trouble check of outdoor fan.

controller→ Heating (Heating-only,

Heating-main).

3) ~ 11) : Rise in discharge

temp. by low pressure drawing.

12)Gas leak between low and high

Check operation status of cooling-only

pressures.

or heating-only.

4-way valve trouble, compres-

sor trouble, solenoid valve

SV1 trouble.

13)Poor operations of solenoid valve

See Trouble check of solenoid

SV4a.

valve.

Bypass valve SV2 can not

control rise in discharge temp.

14)Thermistor trouble.

Check resistance of thermistor.

15)Thermistor input circuit trouble on

Check inlet temperature of sensor

control circuit board.

with LED monitor.

–105–

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 specifications 105

Models: PURY-P400 P500YMF-C