Mitsubishi Electric City Multi PLFY-P06NLMU-E Technical & Service Manual Download Page 12 | Manualshive

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REFRIGERANT SYSTEM DIAGRAM

6

Strainer (#100mesh)

Strainer (#100mesh)

Heat exchanger

Room temparature thermistor TH21

Gas pipe thermistor TH23

Liquid pipe thermistor TH22

Linear expansion valve

Gas pipe

Flare connection

Gas pipe

PLFY-P06,08,12,15NLMU-E

PLFY-P18NLMU-E

Liquid pipe

Capacity

Item

ø

12.7 (1/2)

ø

12.7 (1/2)

ø

15.88 (5/8)

ø

6.35 (1/4)

ø

6.35 (1/4)

R410A

R22

R410A

R22

ø

9.52 (3/8)

mm <in.>

11

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Summary of Contents for City Multi PLFY-P06NLMU-E

Page 1: ...P06NLMU E PLFY P08NLMU E PLFY P12NLMU E PLFY P15NLMU E PLFY P18NLMU E INDOOR UNIT CONTENTS SAFETY PRECAUTIONS 1 1 FEATURES 3 2 PART NAMES AND FUNCTIONS 4 3 SPECIFICATION 6 4 OUTLINES AND DIMENSIONS 8 5 WIRING DIAGRAM 10 6 REFRIGERANT SYSTEM DIAGRAM 11 7 TROUBLE SHOOTING 12 8 DISASSEMBLY PROCEDURE 17 For use with the R410A R22 ...

Page 2: ...consult the dealer or an authorized technician If the air conditioner is installed improperly water leakage elec tric shock or fire may result After completing installation work make sure that refrigerant gas is not leaking If the refrigerant gas leaks and is exposed to a fan heater stove oven or other heat source it may generate noxious gases Do not reconstruct or change the settings of the prote...

Page 3: ...e refrigerator oil to deteriorate Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the refrigerator oil to deteriorate Do not use the following tools that are used with conventional refrigerants Gauge manifold charge hose gas leak detector reverse flow check valve refrigerant charge base vacuum gauge refriger ant recovery equi...

Page 4: ...2NLMU E PLFY P15NLMU E PLFY P18NLMU E 1 8 2 0 2 3 2 6 3 5 4 0 4 4 5 0 5 3 5 9 6000 6700 8000 9000 12000 13500 15000 17000 18000 20000 FEATURES 1 Indoor unit Ceiling Cassettes Series PLFY Models Cooling capacity Heating capacity kW BTU h 3 ...

Page 5: ...n Ventilation Button Operation Button 5 Louver Button Operation Button 6 Fan Speed Button Check Clear Button 0 Test run Button A 8 9 Filter Button Button B C D ON OFF Button Position of built in room temperature Set Time Button Ne ver expose the remote controller to direct sunlight Doing so can result in the erroneous measure ment of room temperature Never place any obstacle around the lower right...

Page 6: ...BY DEFROST TEMP A B C E P M F K D O L G N I H J Q A Current time Timer B Centralized control C Timer OFF D Timer indicator E Operation mode COOL DRY AUTO FAN HEAT F Locked indicator G H Set temperature I Power ON J Louver K L Ventilation M N O P Filter sign Set effective for 1 hr Sensor position Room temperature Airflow Fan speed 5 ...

Page 7: ... Capacity 1 Cooling kW 1 8 2 3 3 5 4 4 5 3 BTU h 6000 8000 12000 15000 18000 Heating kW 2 0 2 6 4 0 5 0 5 9 BTU h 6700 9000 13500 17000 20000 Dimension 4 Height mm 290 20 in 11 7 16 13 16 Width mm 776 1080 946 1250 in 30 9 16 42 17 32 37 1 4 49 7 32 Depth mm 634 710 in 24 31 32 27 31 32 Net weight kg 23 6 5 24 6 5 27 7 5 lb 51 15 53 15 60 17 FAN Airflow rate Low Middle High m3 min 6 5 8 0 9 5 6 5 ...

Page 8: ...pipe thermistor F901 250V 6 3A MV DP Drain sensor DS TB2 TB5 TB15 Fuse Indoor controller board Power supply terminal bed Transmission terminal bed OFF 145 8 C 293 46 F ON 88 15 C 190 59 F DC12V Stepping motor INPUT 6 4 5 5W 400cm 3 min Resistance 0 C 32 F 6 0k 10 C 50 F 3 9k 20 C 68 F 2 6k 25 C 77 F 2 2k 30 C 86 F 1 8k 40 C 104 F 1 3k DC12V Stepping motor drive port dimension ø 3 2 0 2000pulse L1 ...

Page 9: ...in hose 32mm 1 1 4inch flexible joint accessory 509 20 1 32 A 45 67 2 21 32 78 3 3 32 73 2 7 8 202 7 31 32 222 8 3 4 190 7 1 2 240 9 15 32 197 7 25 32 45 1 25 32 216 8 17 32 170 5 6 23 32 7 32 Actual length 710 27 31 32 290 11 7 16 45 1 25 32 20 13 16 68 2 11 16 20 13 16 20 13 16 68 2 11 16 20 13 16 20 13 16 More than 350 13 25 32 B 670 26 13 32 190 7 1 2 48 1 29 32 1 29 32 670 26 13 32 Opening di...

Page 10: ...11 16 More Than 350 13 25 32 670 26 13 32 190 7 1 2 146 5 3 4 497 19 19 32 634 24 31 32 122 4 13 16 266 10 1 2 60 2 3 8 574 22 5 8 Suspension Bolt Pitch 70 2 25 32 170 5 6 23 32 7 32 Actual Length 300 11 13 16 or less 583 22 31 32 MAX 710 27 31 32 A Standard center panel 3 CMP 63VLW B CMP 40VLW B 388 776 824 1040 1080 473 994 946 1210 1250 E D C B A PLFY P18NLMU E PLFY P15NLMU E PLFY P12NLMU E PLF...

Page 11: ...d insertion connector or fastening connector of control board LED1 LED2 Connector CN25 Connector CN24 Connector CN22 Power supply Remote controller Power supply I B LED1 LED2 Aux relay Drain pump X01 Terminal T1 T7 NAME SYMBOL SYMBOL NAME SYMBOL NAME SW8 Switch for model selection SW7 MV X07 TB15 Connector Centrally control CN32 Connector Remote indication CN52 Connector Centrally control CN51 Con...

Page 12: ...ture thermistor TH21 Gas pipe thermistor TH23 Liquid pipe thermistor TH22 Linear expansion valve Gas pipe Flare connection Gas pipe PLFY P06 08 12 15NLMU E PLFY P18NLMU E Liquid pipe Capacity Item ø 12 7 1 2 ø 12 7 1 2 ø 15 88 5 8 ø 6 35 1 4 ø 6 35 1 4 R410A R22 R410A R22 ø 9 52 3 8 mm in 11 ...

Page 13: ...kΩ 10 C 50 F 3 9kΩ 20 C 68 F 2 6kΩ 25 C 77 F 2 2kΩ 30 C 86 F 1 8kΩ 40 C 104 F 1 3kΩ Linear expansion valve Drain sensor Drain pump Disconnect the connector then measure the resistance valve using a tester Surrounding temperature 20 C 68 F 150Ω 10 White Yellow Orange Blue Red Brown 1 2 3 4 5 6 CN60 1 3 Red Red 1 3 LEV 517 6Ω 1 2 White Black 1 3 White Blue 369 6Ω 420 6Ω 310 1Ω 1 4 White Red 352 2Ω 2...

Page 14: ... temperature detection room temperature detection Thermistor Ro 15kΩ 3 B constant 3480kΩ 2 Thermistor R0 15kΩ 3 Fixed number of B 3480kΩ 2 Rt 15exp 3480 0 C 15kΩ 10 C 9 6kΩ 20 C 6 3kΩ 25 C 5 2kΩ 30 C 4 3kΩ 40 C 32 F 50 F 68 F 77 F 86 F 104 F 3 0kΩ Linear expansion valve Operation summary of the linear expansion valve Linear expansion valve open close through stepping motor after receiving the puls...

Page 15: ...o exchange the linear expansion valve if the leakage is small and not making any trouble Thermistor TH21 Linear expansion valve Motor will idle and make ticking noise when motor is operated while the linear expansion valve is locked This ticking sound is the sign of the abnormality Check the color of lead wire and missing terminal of the con nector Exchange the linear expansion vale Exchange the l...

Page 16: ...fective Effective Effective ON OFF 1 2 3 4 5 6 7 8 9 10 1 2 3 1 2 3 4 5 ON OFF At delivery At delivery At delivery SW4 Unit Selection SW8 SW3 Function Selection Function Selection SW2 Capacity code setting SW1 Mode Selection Switch Pole Function Built in remote controller Indoor unit Set while the unit is off At delivery Set for each capacity ON OFF 1 2 3 4 5 6 7 8 9 10 Model 06 ON OFF 1 2 3 4 5 6...

Page 17: ...ress setting should be done when network remote controller PAR F25MA is being used This is the switch to be used when the indoor unit is operated with R2 series outdoor unit as a set At delivery 2 1 4 SW5 SW7 If the unit is used at the 208V area set the ON 208V OFF 230V switch as ON If the unit is used at the 230V set the switch as OFF Address can be set while the unit is stopped Note 1 Note 1 Not...

Page 18: ...s opened in direction 2 the ser vice panel A drops down as shown in Fig 1 2 3 Remove the service panel A from the two pins Be care ful not to allow it to drop 2 Removing the filter Fig 1 2 1 Place fingers on the projection near the PUSH mark on the filter as shown in Fig A Remove panel frame with thumb and press projections with other fingers to remove the hooks Fig 1 1 Fig 1 2 PHOTOS ILLUSTRATION...

Page 19: ...e control box B Power supply lead wire Connected at the facto ry Drain pump lead wire Connected at the factory LEV lead wire Connected at the factory Panel vane motor lead wire Connected locally Panel limit switch lead wire Connected locally Drain pump trial operation connector Connected locally M NET transmission lead wire Connected at the factory MA remote controller transmission wire Connected ...

Page 20: ...e the connector cover and remove the motor lead wire connector Motor on the opposite control box side Photograph 3 1 1 Remove the protection cover on the control box side 2 Remove the lead wire pick the tab of the con nector and push it into the motor side 6 Remove the mounting nuts four M5 nuts fixing the motor fixing leg and main body and remove the fan motor together with the leg Photograph 3 3...

Page 21: ...n the two screw fixing the control box and remove the control box 5 Remove the drain pan Photograph 4 2 1 Remove the two drain pan fixing plates B One screw plate 2 Remove the two drain pan fixing plates C Three screws plate 3 Remove the side frame reinforcement plate One screw 4 Loosen the rubber plug on the drain pan s drainage socket and drain out all water from the drain pan Note Before removi...

Page 22: ...procedure explained in section 8 3 4 Remove the control box with the procedure explained in section 8 4 5 Remove the drain pan with the procedure explained in section 8 4 6 Remove the binding band on the drain hose con nected to the drain pump 7 The drain pump and drain sensor fixed to the cover are fixed to the main unit Remove the two fixing screws and remove Photograph 6 1 Photo 6 1 PHOTOS ILLU...

Page 23: ...the unit body to remove the heat exchanger Photographs 7 2 7 3 1 Remove the two heat exchanger support plates A One screw plate 2 Remove the heat exchanger support plate B Two screws 3 Remove the piping fixing plate C Two screws 4 Slide the heat exchanger in the direction opposite the piping and remove it Note 1 Cover the control box motor drain pump and LEV with cloth etc to protect them in case ...

Page 24: ...move the vane motor cover The vane motor cover can be removed by pushing it up with fingers 3 Remove the two motor mounting screws Photograph 8 2 Photo 8 1 PHOTOS ILLUSTRATIONS Photo 8 2 Fixing screw Metal cover Vane motor cover Fixing screw Vane motor Fixing screw Be careful removing heavy parts ...

Page 25: ...Issued in Aug 2005 HWE05110 New publication effective Aug 2005 Specifications subject to change without notice ...

Page 26: ...3400 Lawrenceville Suwanee Road Suwanee Georgia 30024 Toll Free 800 433 4822 Toll Free Fax 800 889 9904 www mrslim com Specifications are subject to change without notice ...

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