Mitsubishi Electric PEFY-P15NMHU-E Technical & Service Manual Download Page 28

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8-5. CONTROL BOX INSIDE LAYOUT

Models 15~54

Models 72 · 96

X06

X05

X04

CN42

CN81

FAN2

FAN3

CNP

CNT

CND

CN3T

CN2M

CN20

CN60

LEV1

SW4

SW3

SW2

CN60

CN27

CN52

CN25

CN51

CN41

CN50

CN20

CN3R

CN29

CN21

CN2M

CN3T

CND

CNT

CNP

FAN3

FAN2

CN81

CN42

CN23

CN26

CN24

X04

X05

X06

DSA board

Magnet contactor

Trans

DSA board

Condenser

(for motor)

Power sourse
terminal bed

Address board

LEV adapter board

Transmission terminal bed

Indoor unit
contoller board

CN62

CN82

SW12 SW11

SW1

SW14

SWA

SWC

STR2012

SW5

STR2012

SW11

SW12

SW14

SWC

SWA

SW1

CN82

CN62

Summary of Contents for PEFY-P15NMHU-E

Page 1: ... E PEFY P27NMHU E PEFY P30NMHU E PEFY P36NMHU E PEFY P48NMHU E PEFY P54NMHU E PEFY P72NMHU E PEFY P96NMHU 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 12 7 TROUBLE SHOOTING 13 8 DISASSEMBLY PROCEDURE 16 For use with the R410A R22 ...

Page 2: ...r 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 pro...

Page 3: ...the 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 eq...

Page 4: ...HU E PEFY P96NMHU E 4 4 5 0 5 3 5 9 7 0 7 9 7 9 8 8 8 8 10 0 10 6 11 7 14 1 15 8 15 8 17 6 21 1 23 4 28 1 31 7 FEATURES 1 Indoor unit Ceiling Concealed Series PEFY Models Cooling capacity Heating capacity kW 15000 17000 18000 20000 24000 27000 27000 30000 30000 34000 36000 40000 48000 54000 54000 60000 72000 80000 96000 108000 BTU h ...

Page 5: ... 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 hand section of the remote co...

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 ...

Page 7: ...200 100 150 200 100 150 200 100 150 200 100 150 200 Noise level Low High 2 dB A 208V 25 32 25 32 29 36 30 38 33 40 230V 34 39 34 39 36 41 35 41 38 43 Filter Standard filter Item Model PEFY P36NMHU E PEFY P48NMHU E PEFY P54NMHU E PEFY P72NMHU E PEFY P96NMHU E Power sourse 208 230V 60Hz Capacity 1 Cooling kW 10 6 14 1 15 8 21 1 28 1 BTU h 36000 48000 54000 72000 96000 Heating kW 11 7 15 8 17 6 23 4 ...

Page 8: ...terminal bed OFF135 C 5 C 275 F 41 F ON 95 C 20 C 203 F 59 F Room temperature thermistor Fan motor with Inner thermostat 4 pole OUTPUT 130W NC 45VMH 4 pole Output 180W NC 71VMH Symbol L1 L2 L3 G 660V 40A TH23 Inner thermostat Fan motor Liquid pipe thermistor Fan motor capacitor Linear expansion valve 4 pole Output 220W NC 80VMH 4 pole Output 230W NC 90VMH 4 pole Output 650W NS 224M C1 4 pole Outpu...

Page 9: ...8 24 27 30NMHU E models have 1 fan 4 Make sure to install the air filter field supply on the air intake side In case field supplied air filter is used attach it where the filter service is easily done 5 On Model 18 36 48 54 you would use flare nut packed with the Indoor Unit when connecting the Outdoor Unit for R22 Required space for service and maintenance Terminal bed Power source Terminal bed T...

Page 10: ...pply on the air intake side In case field supplied air filter is used attach it where the filter service is easily done 4 On this model you would use pipe packed with the Indoor Unit when connecting the Outdoor Unit for R22 Note 2 2 1 1 2 2 1 1 50 1 31 32 50 1 31 32 60 2 3 8 95 20 164 44 105 20 13 16 35 1 13 32 100 15 50 102 25 30 50x7 350 50x6 300 1 1 4inch 4 14x30 9 16x3 16 Slot Keep duct work l...

Page 11: ...BOL MF C I B A B T LEV Fan motor Capacitor for MF Electronic linear expan valve Indoor controller board Address board Transformer Switch 1st digit address set SW2 I B SW3 I B SW11 A B SW12 A B SW14 A B SW1 A B SW4 I B TB2 TB5 Transmission terminal bed Power source terminal bed SYMBOL EXPLANATION NAME 1 The part of the broken line indicates the circuit for optional parts 2 A in the chart is the con...

Page 12: ...e factory set value of Over current relays 1 The part of the broken line indicates the circuit for optional parts 2 A in the chart is the connector for a drain pump test run operation The Drain Pump operates continuously if the connector is inserted and the power is supplied After the test run make sure to remove the A connector 3 The wirings to TB2 TB5 TB15 shown in chained line are field work 4 ...

Page 13: ...joints Type 72 96 Gas pipe PEFY P15NMHU E PEFY P18NMHU E PEFY P24 27 30NMHU E Liquid pipe Capacity Item ø 12 7 1 2 ø 15 88 5 8 ø 12 7 1 2 ø 15 88 5 8 ø 6 35 1 4 ø 9 52 3 8 ø 6 35 1 4 R410A R22 R410A R22 ø 9 52 3 8 mm in Gas pipe PEFY P36 48 54NMHU E PEFY P72NMHU E PEFY P96NMHU E Liquid pipe Capacity Item ø 22 2 7 8 ø 19 05 3 4 ø 15 88 5 8 ø 19 05 3 4 ø 25 4 1 ø 28 58 9 8 ø 9 52 3 8 R410A R22 R410A...

Page 14: ... 56Ω 30 64Ω 38 31Ω P80 33 3Ω 27 1Ω 28 56Ω 36 82Ω P100 125 140 14 05Ω 9 11Ω 9 87Ω 12 89Ω Motor terminal or Relay connector Normal Abnormal Red White 6 68Ω Open or short White Black Red Black Brown Gray 6 68Ω 6 68Ω 8 144Ω Gray Yellow Brown Yellow 8 144Ω 8 144Ω Normal 1 5 White Red 150Ω 10 Abnormal Open or short 2 6 Yellow Brown 3 5 Orange Red 4 6 Blue Brown CNT 3T 1 3 CN3T 1 2 3 4 5 6 7 8 9 Gray Blu...

Page 15: ...erate the address setting 3 Setting the address is combination of SW11 1st digit address setting and SW12 2nd digit address setting Address 3 setting is composed SW11 3 and SW12 0 Address 25 setting is composed SW11 5 and SW12 2 Indoor unit do not run without address setting in field CN62 SW1 SW7 ON ON ON W254665G06 JP2 SW14 FP AD R CN82 6 8 1 1 240V 220V 1 1 0 1 1 2 ASSY 2 3 4 5 6 7 8 9 10 2 1 3 ...

Page 16: ...240V SW5 PEFY P54 NMHU E SW1 ON OFF SW2 ON OFF ON OFF SW3 ON OFF 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 4 4 4 4 4 4 4 4 1 2 3 SW4 5 ON OFF 220V 240V SW5 PEFY P72 NMHU E SW1 ON OFF SW2 ON OFF ON OFF SW3 ON OFF 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 4 1 2 3 SW4 5 ON OFF 220V 240V SW5 PEFY P96 NMHU E SW1 ON OFF SW2 ON OFF ON OFF SW3 ON OFF 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 7 8...

Page 17: ...id piping sensor lead wire Gas piping sensor lead wire Power supply transformer lead wire Address board lead wire Drain pump lead wire Drain sensor lead wire 3 Control board exchange 4 Condenser exchange 5 Power supply transformer exchange 6 Arrest exchange 7 Intake air sensor exchange Optional parts 2 Removing the terminal bed cover 1 Remove the fixing screws two of the terminal bed cover B and r...

Page 18: ...troller board Power supply lead wire Network remote contoller transmission lead wire Fan motor lead wire LEV lead wire Intake air sensor lead wire Liquid piping sensor lead wire Gas piping sensor lead wire Power supply transformer lead wire Address board lead wire Drain pump lead wire Drain sensor lead wire 3 Control board exchange 4 Power supply transformer exchange 5 Arrest exchange 6 Intake air...

Page 19: ...or base D and bell mouse C attached the fan case B removed motor A can be pull with motor base and fan along rail 1 Remove the fan motor connector E 2 Loosen the fixing screws F three of the bell mouse C and removed the bell mouse D turning screws in direction arrow counterclockwise Fig 3 3 Remove the fixing screws four of the motor base D Notice It s necessary using the driver over 30cm length to...

Page 20: ...fan case which are in front of motor remove the motor 1 Remove the bell mouse of the front fan motor with procedure models 15 54 2 Loosen the setting screws of the front fan removed the fan 3 Remove the front fan case 4 Operate with procedure models 15 30 Notice Fixing screws of the fan case are shown Fig 7 Remove the fixing screws H fan case can be removed Fig 5 Fig 6 Fan case Service side Fan ca...

Page 21: ...trol box and remove the control box Fig 8 5 Move the control box to place that is not block operation Fig 9 2 Removing the fan motor After the fan A the fan case B and the bell mouse C removed motor can be pull with motor base and inner fan along rail 1 Remove the fixing screws three of the bell mouse C and remove the bell mouse C Fig 3 2 Loosen the setting screws G of the front fan removed the fa...

Page 22: ...5 Remove the fixing screws four of the motor base D Notice It s necessary using the driver over 30cm length to remove the fixing screws a Fixing screws are placed back Fig 13 6 Slide the motor M with motor base D in direction of arrow 2 Fig 14 Notice It s not necessary removing the fan case L Fig 11 Fig 12 Fig 14 Be careful on removing heavy parts Fig 13 Fig 15 B Fixing screws H J Fixing screws K ...

Page 23: ...iquid piping fine piping gas piping thick piping Models 72 96 1 Removing the LEV These models have 2 LEV 1 Remove the fixing screws three of the heat exchanger cover A and remove the cover A 2 Remove the fixing screws four of the maintenance cover B and remove the cover B Fig 3 3 Remove the LEV driving motor with a double spanner Fig 4 2 Removing the thermistors 1 Remove the thermistors from the t...

Page 24: ...ving the heat exchanger 1 Remove the heat exchanger cover with procedure 8 3 1 2 Remove the bottom plate which is air outlet side fixing screws ten Fig 1 3 Remove the drainpan Fig 2 Fig 1 Fig 2 Fig 3 Be careful on removing heavy parts Bottom plate Drainpan Fixing screws ...

Page 25: ...the maintenance cover fixing screws two Fig 4 5 Remove the heat exchanger fixing screws four Fig 3 5 Removerd heat exchanger is as shown Fig 6 Fig 4 Fig 5 Fig 6 Be careful on removing heavy parts Fixing screws Maintenance cover Fixing screws ...

Page 26: ...e that water is not leaking from drain hose 2 Remove the power supply wire and the transmission line Make sure that power source is turning off 3 Pull down the main unit 4 Turn over the main unit upside the bottom plate 5 Remove the bottom plate which is air outlet side fixing screws fifteen Fig 7 6 Remove the drainpan Fig 8 Fig 7 Fig 8 Fig 9 Be careful on removing heavy parts ...

Page 27: ... screws four of the maintenance cover and remove the cover Fig 10 7 Remove the heat exchanger Fixing screws non piping side two Fig 9 Fixing screws piping side two Fig 11 Removerd heat exchanger is as shown Fig 12 Fig 10 Fig 11 Fig 12 Be careful on removing heavy parts Fixing screws Fixing screws A Maintenance cover Fixing screws ...

Page 28: ... FAN2 CN81 CN42 CN23 CN26 CN24 X04 X05 X06 DSA board Magnet contactor Trans Trans DSA board Condenser for motor Power sourse terminal bed Power sourse terminal bed Address board Address board LEV adapter board Transmission terminal bed Transmission terminal bed Indoor unit contoller board Indoor unit contoller board CN62 CN82 SW12 SW11 SW1 SW14 SWA SWC STR2012 SW5 SW5 STR2012 SW11 SW12 SW14 SWC SW...

Page 29: ...PEFY P27 30NMHU E PEFY P36 48NMHU E PEFY P54NMHU E PEFY P72 96NMHU E Liquid sensor Liquid sensor 72 96 Liquid sensor Liquid sensor Liquid sensor Liquid sensor Gas sensor Gas sensor Gas sensor Gas sensor Gas sensor 48 Gas sensor 96 Gas sensor 72 Gas sensor 36 ...

Page 30: ...Issued in Aug 2005 HWE05120 New publication effective Aug 2005 Specifications subject to change without notice ...

Page 31: ...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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