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SPLIT-TYPE, AIR TO WATER HEAT PUMP

SERVICE MANUAL

R410A

Outdoor unit

[Model Name]

PUHZ-SW160YKA

PUHZ-SW200YKA

[Service Ref.]

PUHZ-SW160YKA.UK
PUHZ-SW200YKA.UK

PUHZ-SW160YKA-BS.UK
PUHZ-SW200YKA-BS.UK

PARTS CATALOG (OCB583)

CONTENTS

1. REFERENCE MANUAL ································· 2

2. SAFETY PRECAUTION ································· 2

3. FEATURES ····················································· 6

4. SPECIFICATIONS ·········································· 7

5. DATA ······························································· 8

6. OUTLINES AND DIMENSIONS ··················· 11

7. WIRING DIAGRAM ······································ 12

8. WIRING SPECIFICATIONS ·························· 13

9. REFRIGERANT SYSTEM DIAGRAM ············· 15

10. TROUBLESHOOTING ·································· 17

11. DISASSEMBLY PROCEDURE ····················· 60

Note:

• This manual describes service

data of the outdoor units only.

No. OCH583

March 2015

Salt proof model

PUHZ-SW160YKA-BS

PUHZ-SW200YKA-BS

Содержание PUHZ-SW160YKA-BS.UK

Страница 1: ...TALOG OCB583 CONTENTS 1 REFERENCE MANUAL 2 2 SAFETY PRECAUTION 2 3 FEATURES 6 4 SPECIFICATIONS 7 5 DATA 8 6 OUTLINES AND DIMENSIONS 11 7 WIRING DIAGRAM 12 8 WIRING SPECIFICATIONS 13 9 REFRIGERANT SYST...

Страница 2: ...erant R410A Preparation before the repair service Prepare the proper tools Prepare the proper protectors Provide adequate ventilation After stopping the operation of the air conditioner turn off the p...

Страница 3: ...nt from liquid phase of gas cylinder If the refrigerant is charged from gas phase composition change may occur in refrigerant and the efficiency will be lowered Use new refrigerant pipes In case of us...

Страница 4: ...r over 3 Electronic scale 4 Gas leak detector Use the detector for R134a R407C or R410A 5 Adaptor for reverse flow check Attach on vacuum pump 6 Refrigerant charge base 7 Refrigerant cylinder Only for...

Страница 5: ...flow of oil and refri gerant to thermistor vacuum gauge Refrigerant charge Tool exclusive for R410A Tool exclusive for R410A Tool for HFC refrigerant Tool exclusive for R410A Tool exclusive for R410A...

Страница 6: ...e optimal refrig erant level regardless of the length 30 m maximum and 5 m minimum of piping The additional refrigerant charging work during installation often causes problems It is completely elimina...

Страница 7: ...oor outdoor unit Cooling Heating W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Service Ref PUHZ SW200YKA UK PUHZ SW200YKA BS UK PUHZ SW160YKA UK PUHZ SW160YKA BS UK Munsell...

Страница 8: ...9 kg 1 8 kg 2 7 kg 3 6 kg 1 2 kg 2 4 kg 3 6 kg 4 8 kg Service Ref Permitted pipe length PUHZ SW160YKA UK 80 m or less Initial charge kg 7 1 7 7 No additional charge necessary The additional charge amo...

Страница 9: ...FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ SW160YKA UK PUHZ SW160YKA BS UK COOLING MODE HEATING 58 SPL dB 62 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE...

Страница 10: ...ure Dry bulb 2 C Outside air temperature Wet bulb 1 C Water temperature inlet outlet 30 C 35 C Heating A2 W45 Outside air temperature Dry bulb 2 C Outside air temperature Wet bulb 1 C Water temperatur...

Страница 11: ...11 Unit mm 6 OUTLINES AND DIMENSIONS PUHZ SW160YKA UK PUHZ SW160YKA BS UK PUHZ SW200YKA UK PUHZ SW200YKA BS UK PUHZ SW160YKA UK PUHZ SW200YKA UK PUHZ SW160YKA BS UK PUHZ SW200YKA BS UK OCH583...

Страница 12: ...or Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option LED Operation Inspection Indicators Fuse T6 3AL250V Relay SYMBOL TB1 TB2 MC MF1...

Страница 13: ...th at least 3 0 mm contact separation in each pole shall be provided Use earth leakage breaker NV Make sure that the current leakage breaker is one compatible with higher harmonics Always use a curren...

Страница 14: ...in 0 3 Indoor unit Outdoor unit earth Wire No o Size mm Note The optional indoor power supply terminal kit is necessary Cross section of cable Wire size mm2 Number of wires Polarity L m 5 Round 2 5 3...

Страница 15: ...e Linear expansion valveA Thermistor TH32 Comp surface Muffler Ball valve 50 Strainer Oil return hole with strainer 40 Strainer 100 Strainer 100 Strainer 100 Refrigerant flow in cooling Refrigerant fl...

Страница 16: ...ressor has been stopped for 3 minutes and then push the pump down SWP switch again 6 Fully close the ball valve on the gas pipe side of the outdoor unit when the pressure gauge on the gauge manifold s...

Страница 17: ...the cause of the trouble according to 10 3 TROUBLESHOOTING OF PROBLEMS The trouble is not reoccurring Logged Not logged 1Consider the temporary defects such as the work of protection devices in the r...

Страница 18: ...s a Connection of power supply terminal block TB1 b Connection of terminal on outdoor power circuit board 3 Check connection of the connector CNDC on the outdoor controller circuit board Check connect...

Страница 19: ...its Abnormal if the number cannot be checked automatically due to miswiring of indoor outdoor unit connecting wire etc after power is turned on for 4 minutes 2 Abnormal if outdoor controller circuit b...

Страница 20: ...TH32 T63HS increases All the conditions in A or B are detected simultaneously for 10 minutes continu ously after 6 minutes past from compres sor start up including the thermostat indication or recove...

Страница 21: ...lue of thermistor TH3 TH6 TH7 TH8 or check temperature by microprocessor Thermistor TH3 TH6 TH7 TH8 Refer to 10 4 HOW TO CHECK THE PARTS SW2 on A Control Service Tool Refer to 10 7 FUNCTION OF SWITCHE...

Страница 22: ...rcuit board 5 Defective input current detection circuit in outdoor power circuit board 6 Defective outdoor controller circuit board 1 Check the field facility for the power supply 2 Check the wiring b...

Страница 23: ...er circuit board 4 Check compressor Refer to 10 4 HOW TO CHECK THE PARTS 5 Replace outdoor power circuit board 6 Check the dip switch setting of outdoor con troller circuit board Refer to Model Select...

Страница 24: ...ler could not receive any signal for 2 minutes Check code E0 1 Abnormal if indoor controller board can not receive normally any data from remote controller board or from other indoor controller board...

Страница 25: ...transmission wire of remote controller E6 6840 Indoor outdoor unit communication error Signal receiving error 1 Abnormal if indoor controller board could not receive any signal normally for 6 minutes...

Страница 26: ...3 Replace outdoor unit with power inverter type outdoor unit Ed 0403 Serial communication error 1 Abnormal if serial communication between outdoor controller circuit board and outdoor power circuit bo...

Страница 27: ...erse wiring of S1 and S2 or break of S3 wiring 2 When LED3 is blinking Indoor outdoor connecting wire is normal 4 Check LED display on outdoor controller circuit board Refer to 10 7 FUNCTION OF SWITCH...

Страница 28: ...after turning on the main power Normal The start up diagnosis will be over in around 2 minutes Miswiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoo...

Страница 29: ...the outdoor controller circuit board are blown Check the wiring of the outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be b...

Страница 30: ...controller circuit board Replace the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant address to 0...

Страница 31: ...ck of the indoor unit Defective remote controller Replace the remote controller Breaking or poor contact of the remote controller wire Check if there is breaking or poor contact of the remote controll...

Страница 32: ...HEAT operation when the thermostat puts the compressor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around 1...

Страница 33: ...or unit starts operating 4 A ticking sound is heard from the outdoor unit sometimes 4 This is not a malfunction This is the sound which is heard when the fan of the outdoor unit is controlling the air...

Страница 34: ...ter At the ambient temperature 20 C Solenoid valve coil 4 way valve 21S4 Motor for compressor MC Linear expansion valve LEV A Normal Abnormal Open or short Abnormal Open or short Refer to 5 3 COMPRESS...

Страница 35: ...voltage in the outdoor controller circuit board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC 250 330 V DC TEST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 V DC Recover wiring...

Страница 36: ...stant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465 k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat sink TH8 20 250 k 30 160 k 40 104 k 50...

Страница 37: ...ocked more sound can be heard No sound is heard when the pulse number moves from B to A in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the...

Страница 38: ...pes can bend due to pressure How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the mai...

Страница 39: ...cord reset refrigerant address CNDM 1 to 2 Input of low level sound priority mode 1 to 3 Input of external contact point SW7 Demand control setting 63H High pressure switch SW4 Test operation SW6 Mode...

Страница 40: ...230 V AC input Connect to the terminal block TB1 GD1 Connect to the earth CNAC1 CNAC2 230 V AC Connect to the outdoor controller circuit board CNAC CNDC Connect to the outdoor controller circuit board...

Страница 41: ...oard CN5 Detection of primary current Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the outdoor controller circuit board CN4 CN2 Connect to the outdoor controller circuit board...

Страница 42: ...1 is setting change over of Demand Low noise It is effective only in case of external input Local wiring is necessary Refer to next page Special function 4 Please do not use SW7 3 to 7 6 usually Trou...

Страница 43: ...trol board E Maximum 10 m F Power supply for relay A SW1 Orange 1 3 Brown Red E B F CNDM X X C D A Circuit diagram example Demand function B On site arrangement X Y Relay C External input adapter PAC...

Страница 44: ...unit communication error transmitting error is detected by outdoor unit Remote controller signal receiving error is detected by remote controller Remote controller transmitting error is detected by re...

Страница 45: ...y of power module Open short of comp surface thermistor TH32 Open short of outdoor thermistors TH3 TH6 TH7 and TH8 1Check if connectors TH3 TH6 TH7 and TH32 on outdoor controller board and connector C...

Страница 46: ...isplayed while error is being postponed 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power i...

Страница 47: ...ndreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 s 0 5 s 2 s 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor operating current 0 to 50 LEV...

Страница 48: ...ber and code 52 to 221 When the temperature is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 s 0 5 s 2 s A Code display Code display 0 to 50 When...

Страница 49: ...ing only 0 Single phase 2 3 phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump 3 phase and defrosting normal are set up 20 is displayed 1 ON 2...

Страница 50: ...he thermistor detects 100 or more hundreds digit tens digit and ones digit are displayed by turns Outdoor Ambient temperature TH7 39 to 88 39 to 88 When the temperature is 0 or less and temperature ar...

Страница 51: ...3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Error thermistor display When there is no error thermistor is displayed Code display Operation frequency on error occurring 0 to 255 0 to 255 When...

Страница 52: ...N 2 3 4 5 6 Discharge superheat on error occurring SHd 0 to 255 Cooling TH32 T63HS Heating TH32 T63HS Sub cool on error occurring SC 0 to 130 Cooling T63HS TH3 Heating T63HS TH2 0 to 130 When the temp...

Страница 53: ...ventive control for excessive temp erature rise of heatsink Example The following controls are activated Primary current control Preventive control for excessive tempe rature rise of condensing temper...

Страница 54: ...Outside air temperature TH7 Outdoor unit Heatsink temperature TH8 Discharge superheat SHd Sub cool SC Compressor Operating frequency Compressor Target operating frequency Outdoor unit Fan output step...

Страница 55: ...st Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5...

Страница 56: ...hermistor display TH3 TH6 TH7 TH8 Operation mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation ti...

Страница 57: ...N C COOL DRY H HEAT d DEFROST Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Outdoor unit Control state Request code 51 Data display State 0...

Страница 58: ...t state 2 Display 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error content 2 0 0 Error content 1 Detected Display Over...

Страница 59: ...ting information 1 Setting information 2 0 0 Setting information 1 Display Defrost mode 0 Standard 1 For high humidity Setting information 2 Display Single Heat pump 3 phase cooling only 0 Single phas...

Страница 60: ...move the screw of nut 1 for front M6 then slide the propeller fan forward to remove it For the each fan motor on top and under 4 Disconnect the connectors CNF1 WHT and CNF2 WHT on the controller circu...

Страница 61: ...he clamps fasteners and cable strap for the lead wire in the electrical parts box and separator See photo 4 7 Loosen the lead wires fixed to the pipes with bands 8 To disconnect the COMP lead wire rem...

Страница 62: ...ated from the outdoor unit Note When reassembling the electrical parts box make sure the wirings are correct Photo 5 Photo 6 Photo 8 Photo 7 Photo 9 Controller circuit board C B Screw Screw Screw Scre...

Страница 63: ...2 Disconnect the connector TH3 WHT and TH32 BLK on the controller circuit board in the electrical parts box See Photo 4 3 Loosen the fastener cable strap and band for the lead wire on the controller...

Страница 64: ...oto 1 5 Remove the cover panel rear See Photo 1 6 Remove the valve bed See Photo 14 7 Remove the side panel R 8 Recover refrigerant Removing the 4 way valve 9 Remove the 4 way valve coil See photo 13...

Страница 65: ...e the separator upward to remove it The separator is fixed to a hook of the side plate 11 Recover refrigerant 12 Remove the welded part of compressor 2 positions 13 Remove the 3 compressor fixing nuts...

Страница 66: ...3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2015 MITSUBISHI ELECTRIC CORPORATION Distributed in Mar 2015 No OCH583 Made in Japan New publication effective Mar 2015 Specifications are subje...

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