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TECHNICAL & SERVICE MANUAL

CONTENTS

TECHNICAL CHANGES ............................. 2

1. SAFETY PRECAUTION .......................... 2

2. PARTS NAMES AND FUNCTIONS ........ 3

3. SPECIFICATION ................................... 10

4. OUTLINES AND DIMENSIONS ............ 13

5. WIRING DIAGRAM ............................... 14

6. REFRIGERANT SYSTEM DIAGRAM ........15

7. MICROPROCESSOR CONTROL ......... 16

8. TROUBLESHOOTING .......................... 22

9. DISASSEMBLY PROCEDURE ............. 29

Indoor unit
[Model Name]

[Service Ref.]

PKFY-P06NBMU-E2
PKFY-P06NBMU-E2R1

R410A

Revision:

Added

PKFY-P06NBMU-E2R1 in

REVISED EDITION-B.

Some descriptions have

been modified.

PARTS CATALOG (OCB516)

INDOOR UNIT

Model name
indication

PKFY-P06NBMU-E2

Notes:

This manual describes only

service data of the indoor
units.

RoHS compliant products

have <G> mark on the
spec name plate.

OCH516 REVISED EDITION-A
is void.

July 2016

No. OCH516

REVISED EDITION-B

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

Содержание CITY MULTI PKFY-P06NBMU-E2

Страница 1: ...URE 29 Indoor unit Model Name Service Ref PKFY P06NBMU E2 PKFY P06NBMU E2R1 R410A Revision Added PKFY P06NBMU E2R1 in REVISED EDITION B Some descriptions have been modified PARTS CATALOG OCB516 INDOOR UNIT Model name indication PKFY P06NBMU E2 Notes This manual describes only service data of the indoor units RoHS compliant products have G mark on the spec name plate OCH516 REVISED EDITION A is voi...

Страница 2: ...Tools for R410A If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc Do not use the existing refrigerant piping The old refrigerant and lubricant in the existing piping contains a large amount of chlorine which may cause the lubr...

Страница 3: ...0 70 14 5 LCD Full Dot LCD Partial Dot LCD Backlight Energy saving Energy saving operation schedule Automatic return to the preset temperature Restriction Setting the temperature range restriction Function Operation lock function Weekly timer ON OFF timer High Power Manual vane angle Wired remote controller function The functions which can be used are restricted according to each model Some functi...

Страница 4: ...ill appear When the backlight is off pressing any button turns the backlight on and it will stay lit for a certain period of time depending on the screen Backlit LCD This lamp lights up in green while the unit is in operation It blinks while the remote controller is starting up or when there is an error ON OFF lamp Main display Press to change the operation mode Main menu Press to move the cursor ...

Страница 5: ...WKH OWHU UHVHW IXQFWLRQ LV FHQWUDOO FRQWUROOHG QGLFDWHV ZKHQ OWHU QHHGV PDLQWHQDQFH Current room temperature appears here 1 Room temperature See the Installation Manual Appears when the buttons are locked Appears when the On Off timer or Night setback function is enabled Appears when the Weekly timer is enabled Appears while the units are operated in the energy save mode Appears when the built in ...

Страница 6: ...ssnay High power Weekly timer Restriction Maintenance Initial setting ON OFF timer Auto Off timer Temp range Operation lock Manual vane angle Main Sub Timer Main display Contrast Display details Auto mode Administrator password Language selection Service Input maintenance info Function setting Lossnay City Multi only Check Self check Maintenance password Remote controller check Test run Clock Filt...

Страница 7: ...his function will not be valid when the preset temperature ranges are restricted Schedule Set the start stop times to operate the units in the energy save mode for each day of the week and set the energy saving rate 8S WR HQHUJ VDYH RSHUDWLRQ SDWWHUQV FDQ EH VHW IRU HDFK GD 7LPH FDQ EH VHW LQ PLQXWH LQFUHPHQWV QHUJ VDYLQJ UDWH FDQ EH VHW WR D YDOXH IURP RU WR LQ LQFUHPHQWV Night setback Use to mak...

Страница 8: ...ut LOSSNAY setting This setting is required only when the operation of City Multi units is interlocked with LOSSNAY units Check Error history Display the error history and execute delete error history Self check Error history of each unit can be checked via the remote controller Maintenance password Use to change the maintenance password Remote controller check When the remote controller does not ...

Страница 9: ...de 4 digits will blink Check the error status stop the operation and consult your dealer icon appears while the unit is operated in the energy save mode Note All icons are displayed for explanation purpose icon appears when Operation lock setting is effective icon appears when indoor unit functions are set up Refer to the Installation Manual Fan speed icon Vane icon icon appears when the power is ...

Страница 10: ... 2 2 R410A R410A Installation Manual Instruction Book PAC SA88HA E 1 phase 208 230V 60Hz Cross fin Aluminum fin and copper tube 1 phase induction motor Direct driven by motor Polyethylene sheet PP honeycomb Fuse LEV R410A CITY MULTI PKFY P06NBMU E2 PKFY P06NBMU E2R1 Plastic MUNSELL 1 0Y 9 2 0 2 1 8 6 000 0 03 0 15 2 0 6 700 0 03 0 15 11 5 8 32 1 8 8 7 8 295 815 225 22 10 Line flow fan 1 0 0 0 008 ...

Страница 11: ...1 2 440V MSFBC20 DC12V L1 L2 GR 250V 20A M1 M2 S 250V 20A 1 2 250V 10A Pipe temperature detection thermistor liquid Pipe temperature detection thermistor gas PKFY P06NBMU E2 PKFY P06NBMU E2R1 Room temperature detection thermistor Fuse Indoor controller board Fan motor with thermal fuse Fan motor capacitor Vane motor with limit switch Linear expansion valve Power supply terminal block Transmission ...

Страница 12: ... 1m 3 3 Sound levels 3 4 NC curve PKFY P06NBMU E2 PKFY P06NBMU E2R1 External static pressure 0Pa Power source 208 230V 60Hz OCTAVE BAND PRESSURE LEVEL dB 0dB 20μPa OCTAVE BAND CENTER FREQUENCIES Hz Approximate minimum audible limit on continuous noise 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC60 NC50 NC40 NC30 NC20 High speed Low speed OCH516B ...

Страница 13: ...5 32 45 3 19 32 91 5 2 1 8 54 31 32 24 4 1 25 32 45 13 32 10 13 32 10 1 11 32 34 5 8 16 3 32 2 5 1 31 32 50 5 32 4 piping Refrigerant Gas pipe Liquid pipe Drain pipe 1 2F㸦 12 7㸧 1 4F㸦 6 35㸧 2 9 16 16 I D Installation space connect MA remote controller cable anaccssory to the connector Note 3 In case of connecting MA remote controller please Note 2 Extension piping side Note 1 Use M10 or W3 8 screw...

Страница 14: ... PHASE CONTROL FUSE 6A 250V P B WIRELESS REMOTE CONTROLLER BOARD RECEVING UNIT BUZZER LED OPERATION INDICATOR GREEN LED PREPARATION FOR HEATING ORANGE EMERGENCY OPERATION HEAT EMERGENCY OPERATION COOL SYMBOL SWITCH CN32 CN51 CN52 SW2 SW3 REMOTE SWITCH CENTRALLY CONTROL REMOTE INDICATION EXTERNAL HEATER CAPACITY CODE MODE SELECTION CONNECTOR I B INDOOR CONTROLLER BOARD NAME SYMBOL MF NAME SYMBOL NA...

Страница 15: ...h Heat exchanger Room temperature detection thermistor TH21 Pipe temperature detection thermistor gas TH23 Pipe temperature detection thermistor liquid TH22 Gas pipe Liquid pipe Flare Linear expansion valve Unit inch mm Service ref Item PKFY P06NBMU E2 PKFY P06NBMU E2R1 Gas pipe 1 2 12 7 Liquid pipe 1 4 6 35 OCH516B ...

Страница 16: ...IROORZLQJ FRQGLWLRQV KDV EHHQ VDWLV HG 1 Pipe temperature detection thermistor liquid TH22 reaches 50 F or above 2 The condition of thermo OFF has been completed by the thermostat 3 The operation has changed to a mode other than COOL 2 Fan By the remote controller setting switch of 4 speeds Type Fan speed notch 4 speeds type 3 Vane up down vane change 1 The initial vane setting for COOL mode will ...

Страница 17: ... OFF Unconditional 3 10 Below 64 F Dry thermo OFF 1 2 Anti freeze control No control function 2 Fan Indoor fan operation controlled depends on the compressor conditions Dry thermo Fan speed notch ON Low OFF Excluding the following Stop Room temp 64 F Low Note Fan speed change is not allowed during DRY operation 3 Vane up down vane change Settings are the same in DRY operation as they are in COOL o...

Страница 18: ...ype 2 Vane up down vane change Same as the control performed during the COOL operation but with no restriction on the vane s downward blow setting F2 F3 F4 F1 How to operate 1 Press button 2 Press F1 button to display FAN How to operate 1 Press POWER ON OFF button 2 Press the operation MODE button to display FAN OCH516B ...

Страница 19: ... temperature adjustment function changes from OFF to ON 3 When release the HEAT defrosting operation A C B Extra Low Low Set fan speed by the remote controller Hot adjust mode 1 A Hot adjust mode starts B 5 minutes have passed since the condition A or the indoor liquid pipe temperature reached 95 F or more C 2 minutes have passed since the condition B Terminating the hot adjust mode 1 STAND BY wil...

Страница 20: ...function changes to OFF the indoor fan operates in Extra low 2 4 Heat defrosting mode The indoor fan stops 3 Vane control Up down vane change QLWLDO VHWWLQJ 2 ĺ 7āāā ODVW VHWWLQJ When changing the mode from exception of HEAT to HEAT operation Downward C 2 Vane position RUL RQWDO ĺ RZQZDUG ĺ RZQZDUG ĺ RZQZDUG 3 Restriction of vane position 1 7KH YDQH LV KRUL RQWDOO HG IRU WKH IROORZLQJ PRGHV The co...

Страница 21: ...YH SDVVHG 3 COOL mode Operates as it would in COOL operation 4 HEAT mode Operates as it would in HEAT operation How to operate 1 Press POWER ON OFF button 2 Press the operation MODE button to display AUTO 3 Press the TEMP button to set the desired temperature NOTE The set temperature changes 1 F when the or button is pressed one time Automatic 67 to 83 F How to operate 1 Press button 2 Press F1 bu...

Страница 22: ... thermistor gas TH23 Normal 4 3 to 9 6k Abnormal Open or short Normal 200 10 Abnormal 1 5 White Red 2 6 Yellow Brown 3 5 Orange Red 4 6 Blue Brown Open or short 1 2 3 4 5 6 LEV White Yellow Orange Blue Red Brown CN60 Vane motor MV Measure the resistance between the terminals with a tester At the ambient temperature 77 F Normal Normal 400 7 Abnormal 1 2 Red White 1 3 Red Blue 1 4 Red Orange 1 5 Red...

Страница 23: ...ture detection thermistor gas TH23 Thermistor R0 N L HG QXPEHU RI Rt 15exp 3480 N N N N N N Thermistor for lower temperature Operation summary of the linear expansion valve LQHDU H SDQVLRQ YDOYH RSHQ FORVH WKURXJK VWHSSLQJ PRWRU DIWHU UHFHLYLQJ WKH SXOVH VLJQDO IURP WKH LQGRRU FRQWUROOHU ERDUG 9DOYH SRVLWLRQ FDQ EH FKDQJHG LQ SURSRUWLRQ WR WKH QXPEHU RI SXOVH VLJQDOV Connection between the indoor ...

Страница 24: ...ound is the sign of the abnormality Check the color of lead wire and missing terminal of the con nector Exchange the linear expan sion valve Exchange the linear expan sion valve If large amount of refriger ant is leaked exchange the linear expansion valve Disconnect the connector at the controller board then check the continuity Measure the resistance between each coil white red yellow brown orang...

Страница 25: ...gnal indication External heater signal 3 6 XPLGL HU FRQWURO Fan operation Heating mode Thermo ON operation at heating mode 7 LU ÀRZ VHW LQ FDVH RI heat thermo OFF Low 1 Extra low 1 8 6HWWLQJ DLU ÀRZ 1 Depends on SW1 7 9 Auto restart function Effective Not effective 10 Power ON OFF by breaker Effective Not effective SW2 Capacity code setting 1 4 Model SW2 ON OFF 1 2 3 4 P06 Before power supply ON I...

Страница 26: ...XPEHU Setting operation 1 Press the SET button using a pointed implement Check that the remote controller s display has stopped before continuing 02 6 7 ÀDVKHV DQG WKH PRGHO 1R GLJLWV DSSHDUV steadily lit 3UHVV WKH 0 187 EXWWRQ WZLFH 7KH SDLU QXPEHU DSSHDUV ÀDVKLQJ 3 Press the TEMP buttons to select the pair number to set 4 Press the SET button using a pointed implement The set pair number is disp...

Страница 27: ...oor power board CN53P Between 1 to 2 24 30 V DC non polar Between 3 to 5 12 5 13 7 V DC Pin3 Between 4 to 5 11 5 12 7 V DC Pin4 CN35M Connected to the indoor power board CN35P LED2 Power supply for MA Remote controller CN41 Connector HA terminal A CN32 Connector Remote switch J41 J42 Wireless remote controller Pair No setting CN81 Connected to the address board CN82 CN42 Connected to the address b...

Страница 28: ...3 to 5 12 5 13 7 V DC Pin3 Between 4 to 5 11 5 12 7 V DC Pin4 LED1 Main power supply Indoor unit 208 230V CN35P Connected to the indoor controller board CN35M CN2M Connected to the terminal block TB5 M NET transmission connecting wire 24 30 V DC non polar FAN Fan motor output MF CND Power supply for indoor controller board Between 1 to 3 208 230 V AC SW1 Function setting SW12 Address setting 10s d...

Страница 29: ...oximately 2 to 3 cm 1 Remove the 3 screw caps then remove the 3 set screws See Photo 1 2 Remove the grille 3 Remove the left side of the front panel then right side 4 After removing the lower side of the front panel a little remove it as pulling the upper side toward you Note Please pay attention to the nozzle assembly Installing the front panel 1 Insert the lower side of the front panel under the...

Страница 30: ...ectrical box Photo 3 Indoor controller board Indoor power board Room temperature detection thermistor TH21 Screw for electrical box cover Electrical box Water cut fixing screw Water cut 4 Removing the nozzle assembly and drain hose 1 Remove the front panel Refer to procedure 2 2 Remove the electrical box cover See Photo 2 3 Disconnect the connector CN5V on the indoor controller board 4 After unhoo...

Страница 31: ...ctrical box cover See Photo 2 3 Remove the water cut See Photo 3 4 Pull the nozzle assembly toward you as opening the catch of the nozzle assembly See Photo 4 5 Disconnect the indoor outdoor transmission wiring of TB5 6 Disconnect the power supply wiring of TB2 7 Disconnect the relay connector of MA remote controller 8 Disconnect the following connector on the indoor controller board CN60 CN5V CN2...

Страница 32: ...emperature detection thermistor liquid and the pipe temperature detection thermistor gas 1 Remove the front panel Refer to procedure 2 2 Remove the electrical box cover See Photo 2 3 Remove the water cut See Photo 3 4 Cut the wiring fixed band 5 Remove the pipe temperature detection thermistor liquid and the pipe temperature detection thermistor gas See Photo 10 6 Disconnect the connector CN29 CN2...

Страница 33: ...33 OCH516B ...

Страница 34: ...d Jul 2016 No OCH516 REVISED EDITION B Issued Sep 2012 No OCH516 REVISED EDITION A Published Apr 2012 No OCH516 Made in Japan Specifications are subject to change without notice HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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