Mitsubishi SUZ-KA18NA2 Скачать руководство пользователя страница 2

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OCH688A

COMBINATION OF INDOOR AND OUTDOOR UNITS

OUTDOOR UNIT

Piping

Air outlet

Drain outlet

Air inlet

(back and side)

Drain hose

PART NAMES AND FUNCTIONS

SUZ-KA18NA(H)2.TH

SUZ-KA24NA(H)2.TH SUZ-KA30NA(H)2.TH SUZ-KA36NA(H)2.TH

Heat pump type

Outdoor unit

SUZ-

—

Indoor unit

Service

Manual No.

Service Ref.

Heat pump without

electric heater

OCH669
OCB669

KA18NA(H)2.TH

—

PEAD-A18AA7.MX

PEAD-A24AA7.MX

PEAD-A30AA7.MX

PEAD-A36AA7.MX

SVZ-KP18NA.MX

SVZ-KP24NA.MX

SVZ-KP30NA.MX

SVZ-KP36NA.MX

MLZ-KP18NA

MD-1404-K019
MD-1404-K018

KA24NA(H)2.TH KA30NA(H)2.TH KA36NA(H)2.TH

HWE08020
BWE10180

OBH802
OBB802

HWE16080

BWE016290

—

SEZ-KD18NA4.TH

SLZ-KF18NA.TH

Содержание SUZ-KA18NA2

Страница 1: ...NITS 2 2 PART NAMES AND FUNCTIONS 2 3 SPECIFICATION 3 4 OUTLINES AND DIMENSIONS 4 5 WIRING DIAGRAM 5 6 REFRIGERANT SYSTEM DIAGRAM 9 7 DATA 11 8 ACTUATOR CONTROL 14 9 SERVICE FUNCTIONS 15 10 TROUBLESHO...

Страница 2: ...NA H 2 TH Heat pump type Outdoor unit SUZ Indoor unit Service Manual No Service Ref Heat pump without electric heater OCH669 OCB669 KA18NA H 2 TH PEAD A18AA7 MX PEAD A24AA7 MX PEAD A30AA7 MX PEAD A36A...

Страница 3: ...8 D in 33 1 16 H in 13 Weight Ib 127 129 WHUQDO QLVK Munsell 3Y 7 8 1 1 Control voltage by built in transformer VDC 12 24 Refrigerant piping Not supplied Refrigerant pipe size Min wall thickness Liqu...

Страница 4: ...l 3 29 32 6 1 2 7 11 16 3 5 4 4 Liquid refrigerant pipe joint Refrigerant pipe flared 1 4 KA18 Refrigerant pipe flared 3 8 KA24 30 36 Gas refrigerant pipe joint Refrigerant pipe flared 1 2 KA18 Refrig...

Страница 5: ...5 OCH688A SUZ KA18NA2 TH 5 WIRING DIAGRAM...

Страница 6: ...6 OCH688A SUZ KA18NAH2 TH...

Страница 7: ...0 6725 1 7 03 7 50 6725 287 225 7 1 5 7 03 7 50 6725 6 0 2 4 4 57 57 57 57 57 7 50 1 2 75 16 250 5 7 7 7 5 5 6 7 5 3527 725 237 21 3 576 5 9 56 1 9 9 2 6 0 2 1 0 86 7 9 86 7 9 5267 7 5 237 21 3 576 5...

Страница 8: ...SSHU VXSSO ZLUHV ERXW WKH LQGRRU VLGH HOHFWULF ZLULQJ UHIHU WR WKH LQGRRU XQLW HOHFWULF ZLULQJ GLDJUDP IRU VHUYLFLQJ 127 6 5 1 0 6 0 2 86 7 9 86 7 9 86 7 9 60227 1 3 725 5 725 5 8 7 3527 7 21 1 02725...

Страница 9: ...e O D 0 118 I D 0 079 7 7 8 3 0 2 0 200 4 Stop valve with service port Service port Service port Muffler Strainer 100 6 REFRIGERANT SYSTEM DIAGRAM SUZ KA24NA H 2 TH SUZ KA30NA H 2 TH SUZ KA36NA H 2 TH...

Страница 10: ...eeding 25 ft requires additional refrigerant charge according to the calculation Model Outdoor unit precharged Refrigerant piping length one way ft 25 30 40 50 60 70 80 90 100 SUZ KA18NA2 SUZ KA18NAH2...

Страница 11: ...NA H 2 SUZ KA18 NA H 2 SUZ KA24 NA H 2 Power supply V phase Hz 230 1 60 230 1 60 230 1 60 Input kW 1 22 1 51 1 37 1 81 1 16 1 51 1 8 1 89 Current A 4 96 6 24 5 70 7 66 4 57 6 12 7 32 7 73 Refrigerant...

Страница 12: ...SUZ KA24 NA H 2 Power supply V phase Hz 230 1 60 230 1 60 Input kW 1 99 2 26 3 26 2 94 1 2 1 44 1 74 1 73 Current A 8 08 9 28 13 55 12 18 4 47 5 52 6 75 6 70 Refrigerant circuit Condensing pressure PS...

Страница 13: ...H 2 Power supply V phase Hz 230 1 60 230 1 60 Input kW 1 95 1 85 3 38 2 69 1 4 1 73 Current A 7 39 6 96 13 17 10 17 5 86 7 30 Refrigerant circuit Condensing pressure PSIG 414 322 453 336 368 453 Sucti...

Страница 14: ...OFF Compressor Outdoor fan motor R V coil ON OFF ON OFF COOL 5 seconds HEAT 5 seconds 8 3 RELATION BETWEEN MAIN SENSOR AND ACTUATOR Sensor Purpose Actuator Compressor LEV Outdoor fan motor R V coil I...

Страница 15: ...he following 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for miswiring 2 Take care of the following during servicing 1 Before servicing the air conditioner be sure to t...

Страница 16: ...o 85 C Check around outdoor unit Check outdoor unit air passage Refer to 10 5 I Check of outdoor fan motor 10 5 time blink 2 5 seconds OFF High pressure protec tion Indoor coil thermistor exceeds 70 C...

Страница 17: ...y Ref address Cancel OK Self check Return Ref address Error history deleted 2 With the F1 or F2 button enter the refrigerant address and press the button Select Self check with the F1 or F2 button and...

Страница 18: ...n the remote controller display if the correct voltage 8 5 2 V DC is not supplied to the remote controller If this is the case check the remote controller wiring and indoor units OK No problems are fo...

Страница 19: ...it s sensor emits an intermittent buzzer sound the operation light blinks and the check code is output It takes 3 seconds at most for check code to appear 4 Point the remote controller at the sensor o...

Страница 20: ...the check code in the following table nth 1st 2nd 3rd 1st 2nd Self check starts Start signal received Beeper sounds Refer to the following tables for details on the check codes Output pattern A Notes...

Страница 21: ...TEST POINT DIAGRAM AND VOLTAGE for the chart of thermistor Compressor Measure the resistance between terminals with a tester Temperature 14 to 104 F 10 to 40 C 1RUPDO KA18 KA24 30 36 U V U W V W 0 82...

Страница 22: ...switch to the COOL or HEAT mode 3 Compressor starts at rated frequency in COOL mode or 58 Hz in HEAT mode 4 Indoor fan operates at High speed 5 To cancel test run operation press the ON OFF button on...

Страница 23: ...trical circuit check 1 Contact of the compressor connector 2 Output voltage of inverter P C board and balance of them See 10 5 3 Direct current voltage between DB61 and on the inverter P C board 4 Vol...

Страница 24: ...t of all measure the resistance of R V coil to check if the coil is defective Refer to 10 4 TROUBLE CRITERION OF MAIN PARTS In case CN721 is disconnected or R V coil is open voltage is generated betwe...

Страница 25: ...No No Yes J Check of power supply Is there voltage 208 230 VAC between the indoor terminal block S1 and S2 No Yes Replace the indoor electronic control P C board Rectify indoor outdoor connecting wire...

Страница 26: ...ck of inverter P C board Check the outdoor fan motor Refer to 10 5 Check of outdoor fan motor Is the fuse F901 blown on the inverter P C board Check the connection of the connectors CN931 CN932 of the...

Страница 27: ...ply Does the LED on the inverter P C board or the outdoor electronic control P C board repeat 3 6 second OFF and 0 8 second ON quick blinking 3 Yes KA24 30 36 KA18 No Lighted or not lighted Replace th...

Страница 28: ...k the defrost heater base pan heater SUZ KA18 24 30 36NAH2 Check the following points before checking electric continuity 1 Does the resistance of ambient temperature thermistor have the characteristi...

Страница 29: ...OG VWUHQJWK RU WKH LQVWDOODWLRQ FRQGLWLRQ FRPELQDWLRQ RI VSHFL F FRQGLWLRQV VXFK DV DQWHQQDV RU ZLULQJ Check the followings before asking for service 1 Devices affected by the electromagnetic noise TV...

Страница 30: ...2 230 248 Fin temperature thermistor RT64 CN642 Ambient temperature thermistor RT65 CN643 Discharge temperature thermistor RT62 CN641 Defrost thermistor RT61 CN641 DB61 260 370 V DC Front side of unit...

Страница 31: ...LVWDQFH N 0 100 200 300 400 500 600 700 800 32 50 68 86 104 122 140 158 176 194 212 230 248 Fin temperature thermistor RT64 CN673 Ambient temperature thermistor RT65 CN672 Discharge temperature thermi...

Страница 32: ...in WG 70Pa 0 28in WG 100Pa 0 40in WG 150Pa 0 60in WG 2 3 1 2 3 Mode No 08 Mode No 10 1 1 2 2 2 Check Initial setting Factory setting External static pressure Setting No 75Pa 0 3in WG 125Pa 0 5in WG 20...

Страница 33: ...e to make the maintenance setting Maintenance password is required Note The initial maintenance password is 9999 Change the default password as necessary to prevent unauthorized access Have the passwo...

Страница 34: ...hange the setting number with the F3 or F4 button 1 Select Service from the Main menu and press the button Checking the indoor unit No When the button is pressed the target indoor unit will start fan...

Страница 35: ...Removing the cabinet 1 Remove the screws of the service panel 2 Remove the screws of the top panel 3 Remove the screw of the valve cover 4 Remove the service panel 5 Remove the screws fixing the cond...

Страница 36: ...erter assembly 7 Remove the screw of the ground wire screw of the P C board cover and screws of the terminal block support 8 Remove the heat sink support from the P C board support 9 Remove the screw...

Страница 37: ...and service panel Refer to 1 2 Disconnect the following connectors Inverter P C board CN931 and CN932 Fan motor 3 Remove the propeller fan nut 4 Remove the propeller fan 5 Remove the screws fixing the...

Страница 38: ...3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2018 MITSUBISHI ELECTRIC CORPORATION Issued May 2019 No OCH688 REVISED EDITION A Published Nov 2018 No OCH688 Made in Japan Specifications are s...

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