TB1A~NF~TB1B~CNTR1~T01~CNTR | Mitsubishi Electronics P500YMF-C

5) Treatment of Fan Motor Related Troubles

Condition	Possible Cause	Check Method and Treatment
1The fan motor will not run	1) The power supply voltage	If there is an open phase condition before the breaker, after
for 20 minutes or longer	is abnormal.	the breaker or at the power supply terminal blocks TB1A or
when the AK value is		TB1B. Correct the connections.
10%. (When the MAIN
10%. (When the MAIN
board’s SW1 is set as		If the power supply voltage deviates from the specified
shown below, the AK		range. Connect the specified power supply.
value is displayed by the
value is displayed by the	2) Wiring is faulty.	For the following wiring, 1 check the connections, 2 check
service LED.)	2) Wiring is faulty.	For the following wiring, 1 check the connections, 2 check
		the contact at the connectors, 3 check the tightening torque
SW1 = 1110001000		at parts where screws are tightened, 4 check the wiring
		polarity, 5 check for a broken wire and 6 check for ground-
2The fan motor’s vibration		ing.
is great.		TB1A~NF~TB1B~CNTR1~T01~CNTR,
		TB1B~CNPOW, CNFAN~CN04~CNMF,
		CNFAN~52F~CN05~CNMF
		CNFC1~CNFC2
		* Check if the wiring polarity is as shown on the wiring
		diagram plate.

	3) The motor is faulty.	Measure the resistance of the motor’s coils: 20~60Ω
		Measure the motor’s insulation resistance with a megger:
		10 MΩ (DC 500 V) or more

	4) A fuse (F1, F2, F3) is	If a fuse is defective, replace it.
	defective.

	5) The transformer (T01) is	Judge that T01 is faulty. Go to “Individual Parts Failure
	defective.	Judgment Methods.”

	6) The circuit board is faulty.	If none of the items in 1) to 5) is applicable, and the trouble
		reappears even after the power is switched on again,
		replace the circuit board using the following procedure.
		(When replacing the circuit board, be sure to connect the
		connectors and ground wire, etc. securely.)
		1 Replace the FANCON board only. If the problem is
		saved, the FANCON board was defective.
		2 Replace the FANCON board and replace the MAIN
		board. If the problem is saved, the MAIN board is
		defective.
		3 If the trouble continues even after 1 and 2 above, then
		both boards are defective.

–86–

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 TB1A~NF~TB1B~CNTR1~T01~CNTR, TB1B~CNPOW, CNFAN~CN04~CNMF

Models: PURY-P400 P500YMF-C

TB1A~NF~TB1B~CNTR1~T01~CNTR,

TB1B~CNPOW, CNFAN~CN04~CNMF,

CNFAN~52F~CN05~CNMF

CNFC1~CNFC2

PURY-P400, P500YMF-C specifications