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

No	SW	Item				Display					Remarks
	1234567890		LD1	LD2	LD3	LD4	LD5	LD6	LD7	LD8

229	1010011100	IC6 operation mode

230	0110011100	IC7 operation mode

231	1110011100	IC8 operation mode
						0000:Stop
232	0001011100	IC9 operation mode				0000:Stop
						0001:Fan
233	1001011100	IC10 operation mode				0001:Fan
						0002:Cooling
234	0101011100	IC11 operation mode				0002:Cooling
						0003:Heating
235	1101011100	IC12 operation mode				0003:Heating
						0004:Dry
236	0011011100	IC13 operation mode				0004:Dry

237	1011011100	IC14 operation mode

238	0111011100	IC15 operation mode

239	1111011100	IC16 operation mode

240	0000111100	IC1 filter				0000~9999

241	1000111100	IC2 filter				↑

242	0100111100	IC3 filter				↑

243	1100111100	IC4 filter				↑

244	0010111100	IC5 filter				↑

245	1010111100	IC6 filter				↑

246	0110111100	IC7 filter				↑

247	1110111100	IC8 filter				↑

248	0001111100	IC9 filter				↑

249	1001111100	IC10 filter				↑

250	0101111100	IC11 filter				↑

251	1101111100	IC12 filter				↑

252	0011111100	IC13 filter				↑

253	1011111100	IC14 filter				↑

254	0111111100	IC15 filter				↑

255	1111111100	IC16 filter				↑

256	0000000010

257	1000000010

258	0100000010

259	1100000010

260	0010000010

261	1010000010

262	0110000010

263	1110000010

264	0001000010	Indoor unit inspection	Machine	Machine	Machine	Machine	Machine	Machine	Machine	Machine
			No.17	No.18	No.19	No.20	No.21	No.22	No.23	No.24

265	1001000010

266	0101000010	Indoor unit opera-	Machine	Machine	Machine	Machine	Machine	Machine	Machine	Machine
		tion mode	No.17	No.18	No.19	No.20	No.21	No.22	No.23	No.24

267	1101000010

268	0011000010	Indoor unit thermo	Machine	Machine	Machine	Machine	Machine	Machine	Machine	Machine
			No.17	No.18	No.19	No.20	No.21	No.22	No.23	No.24

269	1011000010

270	0111000010

271	1111000010

272	0000100010

273	1000100010

–134–

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Mitsubishi Electronics P500YMF-C, PURY-P400 specifications 134

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.

Contents

Service Handbook Page Contents Safety precautions Carefully read the labels affixed to the main unit Be especially careful when managing the tools Do not use the existing refrigerant pipingUse liquid refrigerant to seal the system Use a vacuum pump with a reverse flow check valve Storage of Piping Material Piping Machining Reason When non-oxide brazing was used BrazingItems to be strictly observed Reasons Vacuuming Airtightness TestR22 leakage detector Charging of Refrigerant DryerCylinder color identification R407C-Gray R410A-Pink Outdoor unit PURY-P400·500YMF-C Appearance of ComponentsP400 Type P500 Type 51C2 Module IPM Board Controller BoxNoise filter Magnetic contactor 52C1 Capacitor C2, C3 52F Main board Puhy / Pury INV board Fancon board BoardCnpow Cnfan CNFC2 CNE CNDC1 SNB board Board BC controller CntrSW4 SW5 SW2 SW1 Earth Relay 10 board Relay 4 board ACC SV8 SV7 CMB-P108, 1010, 1013, 1016V-FA LEV3 SVM2PS3 LEV1 SVM1 TH25 LEV3aTH22 Electrical Wiring Diagram PURY-P400·500YMF-C CMB-P108·1010V-FA SV7B SV7A SV7C SV8B SV8A SV8C Symbol CMB-P1013·1016V-FA CMB-P108V-FB LEV3 Standard Operation Data Cooling operationPURY-P400YMF-C PURY-P500YMF-C DB/WB Heating operation Ture Power is on Defrosting end tempera Function of Dip SW and Rotary SWSWU SW3 SW2 setting Indoor unit DIP SW1P40 P50 P63 Model P71 P80 P100 P125 P140 SW4 220V 240VFunction Check points before test run Before Test RunConnected indoor units Can be connected without a RP Check points for test run when mounting options Local remote controller displays code NoBuilt-in optional parts Insulation pipe Portion Check points for system structureNot heat at heating Error stop, compressor trouble CN40 on the Main board when the system is centralizedTurn on power source 12 hours before starting operations? Example, 200m or less total length 500m at the farthest Test Run Method Warm or cold air is blowing out Switch function Filter +Controlled Test RUN Attribute display of unit Description of registration/deletion/retrieval Registration procedure Group registration of indoor unit Operation procedure Press the switch for confirmation ESwitch G for the interlocked setting mode. See figure below No registration Press the switch for confirmation F twice continuously Deletion completed Case of group re Deletion of address not existing Control of Outdoor Unit 1- 1 PURY-P400·500 YMF-C Initial processingControl at staring Compressor capacity control Bypass capacity control SV6aStop OFF SV1 Oil return control Electronic expansion valve Slev Defrosting control Control of liquid level detecting heater Judgement and control of refrigerant amount Four-way valve Heat exchanger TH9Accumulator CS circuit Outdoor unit heat exchanger capacity control Start of initial operation mode Step Control at initial starting End of initial operation mode 5 minutes Example Initial start control timing chartExample Minutes Emergency response operating mode 400 500 No Compressor Failure 48 % 65 % Control of BC Controller Control of SVA, SVB and SVCControl of SVM1 only FA type Control of LEV Outdoor unit Operation Flow ChartNormal operations Trouble observed Stop Operation No command BC controllerStart Normal operations Indoor unit Cooling operation Normal operations Test run StopCooling operation Way valve OFF Indoor unit fan Operations Test run start Thermostat on Heating operation Normal operations Defrosting operations Stop Test run Dry operation Thermostat onThermostat on Inlet temp ˚C Same as those in cooling operations MC1 List of Major Component FunctionsMC2 TH3 TH4TH5 TH6 CH2 CH3 Resistance of Temperature Sensor Operating Characteristics and Refrigerant Amount Adjustment and Judgement of Refrigerant AmountLow temperature than overload Control system Temperature Symptom Additional Refrigerant Charge Volume Refrigerant VolumePURY-P400YMF-C PURY-P500YMF-C Refrigerant Volume Adjustment Mode Operation ProcedureTH1 SC11 SC16 Adjustment starts YES Turn all of switches ReadjustSW1 OFF Pipe Length Or less 60 ~ 90 m 18 kg 27 kg 31 kg Connector GND Black Vout White Vcc DC5V Red Principal PartsPressure Sensor Judging Failure Solenoid Valve SV1~8 SW1LED SV3 SV4 SV5 SV6 Solenoid Valves Block1 Solenoid Valves Block SV8 CV7bCV5b CV4b Check Valves Block1 CV5b CV4b CV2b CV3b Check Valves Block2Check Valves Block2 CV6b Outdoor LEV LEV Valve Closing and Valve Opening Operations Temperature sensed by Thermistor liquid pipe temperature Temperature is considerably lowCompared to the remote control’s Intake temperature display, it can Part a Intelligent Power Module IPM Diode stackTester ⊕ 10~50 Ω Tester Check method and handling After checking , if these are factorsCheck voltage between a and B NET transmission line break on the side of the room unit Power terminal block Voltage Verify the power Phenomena Unit is removedMain board ----CNS1, CNVCC3 INV board----CNAC2, CNVCC1, CNL2 Case of M-NET remote controller 30V Check ProcedureNo powering signal INV board CNS1, CNVCC3 Transmission line Wiring miss Door unit M-NET 17 ~ 30V? Checking method & countermeasure Case Melans is not used Melans Normal in case of 10V ~ CNR, CNAC2 Investigation of transmission wave shape/noise Forwiring MethodChecking Earthing Disconnected wires should Insulation resistance 2MΩ or more If the problem is solved and you connectAgain, replace the compressor Vidual Parts Failure Judgment Methods TB1A~NF~TB1B~CNTR1~T01~CNTR TB1B~CNPOW, CNFAN~CN04~CNMFCNFAN~52F~CN05~CNMF CNFC1~CNFC2 IPM A1-A2 20~60Ω AC Current sensor Acct Motor Compressor Red White Black Black Capacitor C2,C3 Board Red Troubleshooting the major components of the BC controller Pressure sensor Pressure sensor troubleshooting flowStart OK? HPS Temperature Sensor Thermistor troubleshooting flow Problem No abnormality Temperature ˚C Temperature sensor resistance graphResistance value Thermistor R o=15 k Ω Rt=15exp 273+t LEV, Solenoid Valve Troubleshooting Flow LEV Output superheat BC controller Subcool Solenoid Valve Troubleshooting FlowIntermediate subcool BC controller liquid Solenoid Valve SVM is turned on and off in accordance with operation mode Disconnect the connector before measurementSVM1 Normal Malfunction Service panel BC Controller Disassembly ProcedureControl Box Thermistor Liquid and gas piping temperature detection Be careful when removing heavy parts Procedure100 Ler panel TH11 TH12 CN10 TH15, TH16 CN11 101 LEVSolenoid Valve Coil LEV3 LEV1 102 103 CNRS2 CNRS3 MechanicalCNAC2 TB1B 105 LEV3 SVM BC 106SVM1 LEV3 107 LEV3 SVM SVA BC LEV3 SVM 108SVA SV3~8 109 Slev 110 Once vacuum operation protection isIndoor and outdoor units by oper 2502 Drain pump TB1A~NF~TB1B~CNTR1~F3~ 111T01~CNTR VDC 112TB1A~NF~TB1B, TB1B~DS~52C 113 MF1~CNFAN 114 115 TH HSThhs TH5 TH8 CNDR2-CNDR1 116IPM-MC1 117 Error On, the wave shape is changed and the error is detected118 Communication/system Checking method and processing Error 119Transmission circuit bus-busy er → Noise if existed, check the noise Communication trouble between Faulty generating controller 120 Shut down OC unit power source, Remote No reply Faulty transmission wiring at IC unit sideGenerating Display Detecting More, and make them again 122 123 124 System error 125 126 How to read LED for service monitor LED Monitor Display127 Comp 128 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8Comp COMP1 TH2 TH3 TH4 TH5 TH6 TH7 129 130 131 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 132 133 IC16SC 134 135 136 137 138 IC24SH 139 IC24SC 140 141 Location of leaks Outdoor unit Cooling mode SC16 LED monitor switchStop all indoor units and the compressor Check that all indoor units have been stopped Location of leaks Outdoor unit when heating 144 145 LPS Service Handbook PURY-P400, P500YMF-C