132 | Mitsubishi Electronics P500YMF-C, PURY-P400 guide

No	SW	Item				Display							Remarks

	1234567890		LD1	LD2	LD3	LD4		LD5		LD6	LD7	LD8

139	1101000100	IC12 suction temperature					-99.9~999.9

140	0011000100	IC13 suction temperature						↑

141	1011000100	IC14 suction temperature						↑

142	0111000100	IC15 suction temperature						↑

143	1111000100	IC16 suction temperature						↑

144	0000100100	IC1 liquid piping temperature					-99.9~999.9

145	1000100100	IC2 liquid piping temperature						↑

146	0000100100	IC3 liquid piping temperature						↑

147	1100100100	IC4 liquid piping temperature						↑

148	0010100100	IC5 liquid piping temperature						↑

149	1010100100	IC6 liquid piping temperature						↑

150	0110100100	IC7 liquid piping temperature						↑

151	1110100100	IC8 liquid piping temperature						↑

152	0001100100	IC9 liquid piping temperature						↑

153	1001100100	IC10 liquid piping temperature						↑

154	0101100100	IC11 liquid piping temperature						↑

155	1101100100	IC12 liquid piping temperature						↑

156	0011100100	IC13 liquid piping temperature						↑

157	1011100100	IC14 liquid piping temperature						↑

158	0111100100	IC15 liquid piping temperature						↑

159	1111100100	IC16 liquid piping temperature					↑

160	0000010100	IC1 gas piping temperature				-99.9~999.9

161	1000010100	IC2 gas piping temperature					↑

162	0100010100	IC3 gas piping temperature					↑

163	1100010100	IC4 gas piping temperature					↑

164	0010010100	IC5 gas piping temperature					↑

165	1010010100	IC6 gas piping temperature					↑

166	0110010100	IC7 gas piping temperature					↑

167	1110010100	IC8 gas piping temperature					↑

168	0001010100	IC9 gas piping temperature					↑

169	1001010100	IC10 gas piping temperature					↑

170	0101010100	IC11 gas piping temperature					↑

171	1101010100	IC12 gas piping temperature					↑

172	0011010100	IC13 gas piping temperature					↑

173	1011010100	IC14 gas piping temperature					↑

174	0111010100	IC15 gas piping temperature					↑

175	1111010100	IC16 gas piping temperature				-99.9~999.9

176	0000110100	IC1SH					↑

177	1000110100	IC2SH					↑

178	0100110100	IC3SH					↑

179	1100110100	IC4SH					↑

180	0010110100	IC5SH					↑

181	1010110100	IC6SH					↑

182	0110110100	IC7SH					↑

183	1110110100	IC8SH					↑

–132–

Image 134

Mitsubishi Electronics P500YMF-C, PURY-P400 specifications 132

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 Use liquid refrigerant to seal the system Be especially careful when managing the toolsDo not use the existing refrigerant piping Use a vacuum pump with a reverse flow check valve Storage of Piping Material Piping Machining Reason Items to be strictly observed When non-oxide brazing was usedBrazing Reasons R22 leakage detector Airtightness TestVacuuming Cylinder color identification R407C-Gray Charging of RefrigerantDryer R410A-Pink P400 Type P500 Type Appearance of ComponentsOutdoor unit PURY-P400·500YMF-C Noise filter Magnetic contactor 52C1 Capacitor C2, C3 52F Controller Box51C2 Module IPM Board Main board Puhy / Pury INV board Cnpow Cnfan CNFC2 Fancon boardBoard CNE CNDC1 SNB board Board SW4 SW5 SW2 SW1 BC controllerCntr Earth Relay 10 board Relay 4 board ACC SV8 SV7 PS3 CMB-P108, 1010, 1013, 1016V-FALEV3 SVM2 LEV1 SVM1 TH22 LEV3aTH25 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 PURY-P400YMF-C PURY-P500YMF-C Standard Operation DataCooling operation DB/WB Heating operation SWU Ture Power is on Defrosting end temperaFunction of Dip SW and Rotary SW SW3 P40 P50 P63 SW2 settingIndoor unit DIP SW1 Model P71 P80 P100 P125 P140 Function 220V 240VSW4 Connected indoor units Can be connected without a RP Before Test RunCheck points before test run Built-in optional parts Check points for test run when mounting optionsLocal remote controller displays code No Insulation pipe Not heat at heating Check points for system structurePortion Turn on power source 12 hours before starting operations? Error stop, compressor troubleCN40 on the Main board when the system is centralized Example, 200m or less total length 500m at the farthest Test Run Method Warm or cold air is blowing out Controlled Switch functionFilter + Test RUN Attribute display of unit Description of registration/deletion/retrieval Registration procedure Group registration of indoor unit Switch G for the interlocked setting mode. See figure below Operation procedurePress the switch for confirmation E No registration Press the switch for confirmation F twice continuously Deletion completed Case of group re Deletion of address not existing Control at staring Control of Outdoor Unit 1- 1 PURY-P400·500 YMF-CInitial processing Compressor capacity control Stop Bypass capacity controlSV6a OFF SV1 Oil return control Electronic expansion valve Slev Defrosting control Control of liquid level detecting heater Judgement and control of refrigerant amount Accumulator CS circuit Four-way valveHeat exchanger TH9 Outdoor unit heat exchanger capacity control Start of initial operation mode Step Control at initial starting Example Minutes Initial start control timing chartEnd of initial operation mode 5 minutes Example Emergency response operating mode 400 500 No Compressor Failure 48 % 65 % Control of SVM1 only FA type Control of BC ControllerControl of SVA, SVB and SVC Control of LEV Normal operations Trouble observed Stop Operation Flow ChartOutdoor unit Start Operation No commandBC controller Normal operations Indoor unit Cooling operation Way valve OFF Indoor unit fan Operations Cooling operationNormal operations Test run Stop Test run start Thermostat on Heating operation Normal operations Defrosting operations Stop Test run Thermostat on Inlet temp ˚C Dry operationThermostat on Same as those in cooling operations MC2 List of Major Component FunctionsMC1 TH5 TH3TH4 TH6 CH2 CH3 Resistance of Temperature Sensor Low temperature than overload Control system Temperature Operating Characteristics and Refrigerant AmountAdjustment and Judgement of Refrigerant Amount Symptom PURY-P400YMF-C PURY-P500YMF-C Refrigerant VolumeAdditional Refrigerant Charge Volume TH1 Refrigerant Volume Adjustment Mode OperationProcedure SC11 SC16 Adjustment starts SW1 OFF Turn all of switches ReadjustYES Pipe Length Or less 60 ~ 90 m 18 kg 27 kg 31 kg Pressure Sensor Connector GND Black Vout White Vcc DC5V RedPrincipal Parts Judging Failure LED Solenoid Valve SV1~8SW1 SV3 SV4 SV5 SV6 Solenoid Valves Block1 CV5b Solenoid Valves BlockSV8 CV7b CV4b Check Valves Block1 Check Valves Block2 CV5b CV4b CV2b CV3bCheck Valves Block2 CV6b Outdoor LEV LEV Valve Closing and Valve Opening Operations Compared to the remote control’s Temperature sensed by Thermistor liquid pipe temperatureTemperature is considerably low Intake temperature display, it can Part a Tester ⊕ Intelligent Power Module IPMDiode stack 10~50 Ω Tester Check voltage between a and B Check method and handlingAfter checking , if these are factors NET transmission line break on the side of the room unit Power terminal block Voltage Verify the power Main board ----CNS1, CNVCC3 PhenomenaUnit is removed INV board----CNAC2, CNVCC1, CNL2 No powering signal INV board Case of M-NET remote controller30V Check Procedure 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 Checking ForwiringMethod Earthing Again, replace the compressor Disconnected wires should Insulation resistance 2MΩ or moreIf the problem is solved and you connect Vidual Parts Failure Judgment Methods CNFAN~52F~CN05~CNMF TB1A~NF~TB1B~CNTR1~T01~CNTRTB1B~CNPOW, CNFAN~CN04~CNMF CNFC1~CNFC2 IPM A1-A2 20~60Ω AC Current sensor Acct Motor Compressor Red White Black Black Capacitor C2,C3 Board Red Start Troubleshooting the major components of the BC controllerPressure sensor Pressure sensor troubleshooting flow OK? HPS Temperature Sensor Thermistor troubleshooting flow Problem No abnormality Resistance value Thermistor R o=15 k Ω Rt=15exp 273+t Temperature sensor resistance graphTemperature ˚C LEV, Solenoid Valve Troubleshooting Flow LEV Intermediate subcool BC controller liquid Subcool Solenoid Valve Troubleshooting FlowOutput superheat BC controller Solenoid Valve SVM1 SVM is turned on and off in accordance with operation modeDisconnect the connector before measurement Normal Malfunction Control Box BC Controller Disassembly ProcedureService panel 100 Thermistor Liquid and gas piping temperature detectionBe careful when removing heavy parts Procedure Ler panel TH11 TH12 CN10 TH15, TH16 CN11 Solenoid Valve Coil 101LEV LEV3 LEV1 102 103 CNAC2 TB1B MechanicalCNRS2 CNRS3 105 SVM1 LEV3 106LEV3 SVM BC 107 LEV3 SVM SVA BC SVA SV3~8 108LEV3 SVM 109 Slev Indoor and outdoor units by oper 110Once vacuum operation protection is 2502 Drain pump T01~CNTR 111TB1A~NF~TB1B~CNTR1~F3~ TB1A~NF~TB1B, TB1B~DS~52C 112VDC 113 MF1~CNFAN 114 Thhs TH5 115TH HS TH8 IPM-MC1 116CNDR2-CNDR1 117 118 ErrorOn, the wave shape is changed and the error is detected Communication/system Transmission circuit bus-busy er Checking method and processing Error119 → Noise if existed, check the noise Communication trouble between Faulty generating controller 120 Generating Display Detecting Shut down OC unit power source,Remote No reply Faulty transmission wiring at IC unit side More, and make them again 122 123 124 System error 125 126 127 How to read LED for service monitorLED Monitor Display Comp Comp COMP1 128LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 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 Stop all indoor units and the compressor Location of leaks Outdoor unit Cooling modeSC16 LED monitor switch Check that all indoor units have been stopped Location of leaks Outdoor unit when heating 144 145 LPS Service Handbook PURY-P400, P500YMF-C