111, TB1A~NF~TB1B~CNTR1~F3~ | Mitsubishi Electronics PURY-P400

Checking code		Meaning, detecting method		Cause	Checking method & Countermeasure

4103	Reverse phase	Reverse phase (or open phase) in	1)	The phases of the power supply (L1,	If there is reverse phase before the
	abnormality	the power system is being de-		L2, L3) have been reversed.	breaker, after the breaker or at the
		tected, so operation cannot be			power supply terminal blocks TB1A,
		started.			reconnect the wiring.
			2)	Open phase has occurred in the	Check before the breaker, after the
				power supply (L1, L2, L3, N).	breaker or at the power supply termi-
					nal blocks TB1A, and if there is an open
					phase, correct the connections.
					a) Check if a wire is disconnected.
					b) Check the voltage between each
					of the wires.
			3)	The wiring is faulty.	Check 1 the connections, 2, the con-
					tact at the connector, 3, the tightening
					torque at screw tightening locations and
					4 for wiring disconnections.
					TB1A~NF~TB1B~CNTR1~F3~
					T01~CNTR
					Refer to the circuit number and the wir-
					ing diagram plate.
			4)	The fuse is faulty.	If F1 on the MAIN board, or F3 is
					melted, (Resistance between both
					ends of the fuse is ∞ ), replace the fuses.
			5)	T01 is faulty.	To judge failure of the T01, go to “Indi-
					vidual Parts Failure Judgment Meth-
					ods.”
			6)	The circuit board is faulty.	If none of the items in 1) to 5) is appli-
					cable, and if the trouble reappears even
					after the power is switched on again,
					replace the MAIN board (when replac-
					ing the circuit board, be sure to con-
					nect all the connectors, etc. securely).

4115	Power supply	The frequency cannot be deter-	1)	There is an open phase in the power	Check before the breaker, after the
	sync signal	mined when the power is switched		supply (L1, L2, L3, N).	breaker or at the power supply termi-
	abnormality	on.			nal blocks TB1A, and if there is an open
		(The power supply’s frequency			phase, correct the connections.
		cannot be detected. The outdoor
		fan cannot be controlled by phase	2)	The power supply voltage is dis-	If the power supply voltage waveform
		control.)		torted.	is distorted from a sine wave, improve
					the power supply environment.
			3)	A fuse is defective.	If F1 on the MAIN board, or F3 is
					melted, (Resistance between both
					ends of the fuse is ∞ ), replace the fuses.
			4)	T01 is defective.	To judge failure of the T01, go to “Indi-
					vidual Parts Failure Judgment Meth-
					ods.”
			5)	The circuit board is defective.	If none of the items in 1) to 4) is appli-
					cable, and if the trouble reappears even
					after the power is switched on again,
					replace the MAIN board (when replac-
					ing the circuit board, be sure to con-
					nect all the connectors, ground wires,
					etc. securely).

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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.

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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 111, TB1A~NF~TB1B~CNTR1~F3~, T01~CNTR

Models: PURY-P400 P500YMF-C

TB1A~NF~TB1B~CNTR1~F3~

T01~CNTR

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PURY-P400, P500YMF-C specifications