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Mitsubishi Electric WSH-ZM35I BEDRAAD SET, Руководство по обслуживанию

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Mitsubishi Electric WSH-ZM35I BEDRAAD SET Скачать руководство пользователя страница 49

49

OCH751

10-5. HOW TO CHECK THE PARTS

Parts name

Checkpoints

Thermistor (TH3)

<Liquid>

Thermistor (TH4)

<Discharge> 

Thermistor (TH6)

<2-phase pipe>

Thermistor (TH7)

<Ambient> 

Thermistor (TH8)

<Heat sink>

Thermistor (TH33)

<Comp. surface>

Disconnect the connector then measure the resistance with a tester. 

(At the ambient temperature 10 to 30°C)

Normal

Abnormal

TH4, TH33

160 to 410 k

"

Open or short

TH3
TH6
TH7

4.3 to 9.6 k

"

TH8

39 to 105 k

"

Fan motor(MF1,MF2) Refer to the next page.
Solenoid valve coil

<4-way valve> 

(21S4)

Measure the resistance between the terminals with a tester. 

(At the ambient temperature 20°C)

Normal

Abnormal

2350±170 

"

Open or short

Motor for compressor

(MC)

Measure the resistance between the terminals with a tester. 

(Winding temperature at 20°C)

Normal

Abnormal

Refer to “5-2. COMPRESSOR TECHNICAL DATA”.

Open or short

Linear expansion valve 

(LEV-A/LEV-B)

Disconnect the connector then measure the resistance with a tester. 

(Winding temperature at 20°C)

Normal

Abnormal

Red - White

Red - Orange

Red - Yellow

Red - Blue

Open or short

46±4 

"

W

V

U

1
2
3
4

5

M

RD
BU
OG
YE
WH

Содержание WSH-ZM35I BEDRAAD SET

Страница 1: ...13 5 DATA 14 6 OUTLINES AND DIMENSIONS 16 7 WIRING DIAGRAM 17 8 WIRING SPECIFICATIONS 18 9 REFRIGERANT SYSTEM DIAGRAM 23 10 TROUBLESHOOTING 25 11 FUNCTION SETTING 72 12 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER 73 13 EASY MAINTENANCE FUNCTION 81 14 DISASSEMBLY PROCEDURE 82 15 REMOTE CONTROLLER 87 PUZ ZM35VKA2 PUZ ZM50VKA2 PUZ ZM35VKA2 ET PUZ ZM50VKA2 ET PUZ ZM35VKA2 ER PUZ ZM50VKA2 ER...

Страница 2: ...50KA2 ET UK PCA M35 50KA2 ER UK OCH752 OCB752 SLZ M35 50FA2 SLZ M35 50FA2 ET SLZ M35 50FA2 ER SLZ M35 50FA2 UK SLZ M35 50FA2 ET UK SLZ M35 50FA2 ER UK SEZ M35 50 DA2 SEZ M35 50 DA2 ET SEZ M35 50 DA2 ER SEZ M35 50 DAL2 SEZ M35 50 DA2 TH SEZ M35 50 DA2 ET TH SEZ M35 50 DA2 ER TH SEZ M35 50DAL2 TH PEAD M35 50JA2 PEAD M35 50JA2 ET PEAD M35 50JA2 ER PEAD M35 50JAL2 PEAD M35 50JA2 UK PEAD M35 50JA2 ET U...

Страница 3: ...re brazing Leave elbow joints etc in their packaging If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of compressor The refrigerant oil applied to flare and flange connections must be ester oil ether oil or alkylbenzene oil in a small amount If large amount of mineral oil enters that can cause deterioration of refrigerant oil etc...

Страница 4: ...refrigerant leaks and accumulates it may ignite or poisonous gases may be released 11 Do not install the unit in places where refrigerant may build up or places with poor ventilation such as a semi base ment or a sunken place in outdoor Refrigerant is heavier than air and inclined to fall away from the leak source 12 Do not use means to accelerate the defrosting process or to clean other than thos...

Страница 5: ...he Refrigeration Equipment Where electrical components are being changed they shall be fit for the purpose and to the correct specification At all times the manufacturer s maintenance and service guidelines shall be followed If in doubt consult the manufacturer s technical department for assistance The following checks shall be applied to installations using flammable refrigerants The charge size ...

Страница 6: ... procedures shall be used However for flammable refrigerants it is important that best practice is followed since flammability is a considera tion The following procedure shall be adhered to remove refrigerant purge the circuit with inert gas evacuate purge again with inert gas open the circuit by cutting or brazing The refrigerant charge shall be recovered into the correct recovery cylinders For ...

Страница 7: ...to cylinders ensure that only appropriate refrig erant recovery cylinders are employed Ensure that the correct number of cylinders for holding the total system charge are available All cylinders to be used are designated for the recovered refrigerant and labelled for that refrigerant i e special cylinders for the recovery of refrigerant Cylinders shall be complete with pressure relief valve and as...

Страница 8: ...8 OCH751 2 3 PRECAUTIONS WHEN REUSING EXISTING R22 R410a REFRIGERANT PIPES 1 Flowchart 5 Service tools Use the below service tools as exclusive tools for R32 refrigerant No Tool name Specifications 1 Gauge manifold Only for R32 Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge hose Only for R32 Use pressure performance of 5 09MPa G or over 3...

Страница 9: ...lusive for R32 Gas leak detector Gas leak check Tool for HFC refrigerant Refrigerant recovery equipment Refrigerant recovery Tool exclusive for R32 Refrigerant cylinder Refrigerant charge Tool exclusive for R32 Safety charger Prevent compressor malfunction when charging refrigerant by spraying liquid refrigerant Tool exclusive for R32 Charge valve Prevent gas from blowing out when detaching charge...

Страница 10: ... sufficiently large space with out depressions 2 5 Minimum installation area If you unavoidably install a unit in a space where all four sides are blocked or there are depressions confirm that one of these situations A B or C is satisfied Note These countermeasures are for keeping safety not for specification guarantee A Secure sufficient installation space minimum installation area Amin Install i...

Страница 11: ...nt to be added locally refer to the installation manual Install the indoor unit so that the height from the floor to the bottom of the indoor unit is h0 For wall mounted 1 8 m or more For ceiling suspended cassette and ceiling concealed 2 2 m or more For floor standing PSA M 0 m There are restrictions in installation height for each model so read the installation manual for the particular unit 75 ...

Страница 12: ...ays control the optimal refrigerant level regardless of the length 30 m maximum and 5 m minimum of piping The additional refrigerant charging work during instal lation often causes problems It is completely eliminated by chargeless system This unique system improves the quality and reliability of the work done It also helps to speed up the installation time PUZ ZM35VKA2 ET ER PUZ ZM50VKA2 ET ER ...

Страница 13: ...mp surface thermistor Crankcase heater W Heat exchanger Plate fin coil Fan Fan drive No Propeller fan 1 Fan motor output kW 0 046 Airflow m3 min CFM 45 1 590 Defrost method Reverse cycle Sound pressure level Cooling dB 44 Heating dB 46 Dimensions W mm inch 809 31 13 16 D mm inch 300 20 11 13 16 H mm inch 630 24 13 16 Weight kg lb 46 101 Refrigerant R32 Charge kg lb 2 0 4 4 Oil Model L 0 35 FW68S R...

Страница 14: ...rature at 20 Service Ref PUZ ZM35VKA2 ET ER PUZ ZM50VKA2 ET ER Compressor model SVB140FFSM Winding Resistance Ω U V 1 45 U W 1 45 W V 1 45 5 3 NOISE CRITERION CURVES 1 5 m 1 m MICROPHONE UNIT GROUND APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUZ ZM35VKA2 ET ER PUZ ZM50VKA2 ET ER COOLING MODE HEATING 44 SPL dB 46 LINE 90 80 70 60 50 40 30 20 10 63 125 ...

Страница 15: ...ltage V 230 230 Current A 0 21 0 19 0 22 0 20 Outdoor unit PUZ ZM35VKA2 ET ER PUZ ZM50VKA2 ET ER Phase Hz 1 50 1 50 Voltage V 230 230 Current A 3 17 3 53 4 80 5 85 Refrigerant circuit Discharge pressure MPaG 2 51 2 04 2 68 2 44 Suction pressure MPaG 1 12 0 74 1 02 0 69 Discharge temperature C 65 72 76 87 Condensing temperature C 42 34 44 41 Suction temperature C 15 9 13 6 Ref pipe length m 5 5 5 5...

Страница 16: ...16 OCH751 6 OUTLINES AND DIMENSIONS Unit mm ...

Страница 17: ...17 OCH751 7 WIRING DIAGRAM ...

Страница 18: ...against S2 terminal However between S3 and S1 these terminals are NOT electrically insulated by the transformer or other device 5 In multi phase appliances the colour of the neutral conductor of the supply cord if any shall be blue Caution Be sure to install N Line Without N Line it could cause damage to the unit Notes 1 Wiring size must comply with the applicable local and national code 2 Power s...

Страница 19: ... indoor unit power supplied from outdoor unit Indoor unit power supplied from outdoor unit when shipped from factory If the indoor and outdoor units have separate power supplies change the connections of the connectors as shown in the following figure Connectors Indoor unit control board Separate indoor unit outdoor unit power supplies S1 S2 S3 L N BLUE BLUE YELLOW YELLOW CND CN01 ORANGE CN01 ORAN...

Страница 20: ...arated 1 o Min 2 5 Indoor unit Outdoor unit earth Wire No o Size mm Be sure to connect the indoor outdoor connecting cables directly to the units no intermediate connections Intermediate connections can lead to communication errors if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point Indoor unit Outdoor unit Indoo...

Страница 21: ...re more than 2 earthing spots on the shield wire noise may enter into the shield wire because the earth wire and shield wire form 1 circuit and the electric potential difference occurs due to the impedance difference among earthing spots In the case of single spot earthing noise does not enter into the shield wire because the earth wire and shield wire do not form 1 circuit To avoid communication ...

Страница 22: ...are OFF All refrigerant addresses are 00 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 2 50 M NET Address No Setting example Switch setting SW11 1s digit SW12 10s digit OFF ON 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 ...

Страница 23: ...nt LIQUID pipe connection 1 4F Stop valve Strainer 100 Strainer 100 Power receiver Linear expansion valve B Thermistor TH6 2 phase pipe Thermistor TH3 Liquid Charge plug High pressure switch 63H Thermistor TH4 Discharge Thermistor TH33 Comp surface Compressor Strainer 50 Solenoid valve 4 way valve Muffler Distributor Linear expansion valve A Strainer 100 Muffler Stop valve with service port ...

Страница 24: ...llecting operation cooling test run Push the pump down SWP switch push button type on the switch board of the outdoor unit The compressor and ventilators indoor and outdoor units start operating refrigerant collecting operation begins LED1 and LED2 on the control board of the outdoor unit are lit Only push the pump down SWP switch if the unit is stopped However even if the unit is stopped and the ...

Страница 25: ...ead operation manual before test run Especially items to secure safety 10 2 2 TEST RUN Refer to 15 4 TEST RUN for operation procedure 10 2 3 ERROR INFORMATION Refer to 15 2 ERROR INFORMATION when an error occurs 10 2 4 ERROR HISTORY Refer to 15 6 ERROR HISTORY to check the errors occurred in the past 10 2 5 SELF DIAGNOSIS Refer to 15 7 SELF DIAGNOSIS to search for the error history Unit conditions...

Страница 26: ...inks Check code Symptom Remark Number of times Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp blinks Check code Number of times Wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error Float switch connector CN4F o...

Страница 27: ...on of power supply terminal block TB1 c Connection of power supply terminal block TB1 2 Check following items a Connection of power supply terminal block TB1 b Connection of terminal on outdoor conroller circuit board 3 Check connection of reactor ACL Refer to 7 WIRING DIAGRAM 4 Replace outdoor controller circuit board When items above are checked but the units cannot be repaired F5 5201 63H conne...

Страница 28: ...outdoor unit If EA is detected 4 6 Turn the power off once and on again to check Replace outdoor controller circuit board indoor controller board or indoor power board if abnormality occurs again 7 Check if refrigerant addresses SW1 3 to SW1 6 on outdoor switch board are overlapping in the case of group control system 8 Check transmission path and remove the cause Note The descriptions above 1 8 a...

Страница 29: ...ing TH4 TH5 Heating TH4 TH6 increases All the conditions in A or B are detected simultaneously for 10 minutes continu ously after 6 minutes past from compres sor startup including the thermostat indi cation or recovery from defrosting Condition A Heating mode When discharge superheat is less than 70 C When the TH6 temp is more than the value obtained by TH7 5 C When the condensing temp of TH5 is l...

Страница 30: ...5 Check resistance value of thermistor TH8 or temperature by microprocessor Thermistor TH8 Refer to 10 5 HOW TO CHECK THE PARTS SW2 on A Control Service Tool Refer to 10 9 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 6 Replace outdoor controller circuit board 7 Replace outdoor controller circuit board U6 4250 Power module Check abnormality by driving power module in case overcurrent is detected UF ...

Страница 31: ...r circuit board 12 Replace outdoor controller circuit board 3 Replace outdoor controller circuit board 08 Abnormal power synchronous signal No input of power synchronous signal to outdoor controller circuit board Power synchronous signal of 44 Hz or less or 65 Hz or more is detected on power circuit board 1 Distortion of power source voltage noise superimposition 2 Disconnection or loose connectio...

Страница 32: ... board 6 Check the dip switch setting of outdoor con troller circuit board Refer to Model Select in 1 Function of switches in Refer to 10 9 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS UH 5300 Current sensor error Abnormal if current sensor detects 1 0 A to 1 0 A during compressor operation This error is ignored in the case of test run mode 1 Disconnection of compressor wiring 2 Defective circuit o...

Страница 33: ...d cannot receive normally any data from remote controller board or from other indoor controller board for 3 minutes Check code E4 2 Indoor controller board cannot receive any signal from remote controller for 2 minutes Check code E4 1 Contact failure at transmission wire of remote controller 2 All remote controllers are set as sub remote controller In this case E0 is displayed on remote controller...

Страница 34: ... board Check LED display on outdoor controller circuit board Connect A Control service tool PAC SK52ST Refer to EA to EC item if LED displays EA to AC 1 Check disconnecting or looseness of indoor outdoor unit connecting wire of indoor unit or outdoor unit Check all the units in the case of twin triple quadruple indoor unit system 2 4 Turn the power off and on again to check If abnormality occurs a...

Страница 35: ...nt Indoor unit Floor standing type indoor unit PSA KA 1 Alter the connection referring to the com bination as shown in the case column P8 Pipe temperature Cooling mode Detected as abnormal when the pipe temperature is not in the cooling range 3 minutes after compressor starts and 6 minutes after the liquid or condenser evaporator pipe is out of cooling range Note 1 It takes at least 9 minutes to d...

Страница 36: ...ntrol TB7 in outdoor unit 3 Transmission are mixed with others and occupation rate on transmission wire rose because of defective repeater a function to connector or disconnect transmission of control and central control system of outdoor unit then abnormality is detected 1 Check if transmission wire of indoor unit FRESH MASTER LOSSNAY or remote controller is not connected to terminal block for ce...

Страница 37: ...e in different refrigerant system 2 or more outdoor units judge with 6 6 If address of abnormality source is the address that should not exist there is the unit that memorizes nonexistent address information Delete unused address information with manual setting function of remote controller Only the system FRESH MASTER or LOSSNAY are connected to or the system that is equipped with group setting o...

Страница 38: ...r CN2M of indoor unit 5 Defective transmitting receiving circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is non existent 1 The unit of former address does not exist as address switch has changed while the unit was energized 2 Abnormality is detected when indoor unit transmits signal because the address of FRESH MASTER and LOSSNAY are changed after sequen tial operation of FRE...

Страница 39: ...When pressing the remote controller operation switch the OPERATION display is appeared but it will be turned off soon 1 After cancelling to select function from the remote controller the remote controller operation switch will not be accepted for approx 30 seconds 1Normal operation 4 Even controlling by the wireless remote controller no beep is heard and the unit does not start operating Operation...

Страница 40: ...s Inspect leakage by checking the temperature and opening Check pipe connections for gas leakage 3 Check the insulation 4 Open intake grille and check the filter Clean the filter by removing dirt or dust on it 5 If the filter is clogged indoor pipe temperature rises and discharging pressure increases Check if heat exchanger is clogged by inspecting discharging pressure Clean the heat exchanger 6 R...

Страница 41: ...table in order to solve the trouble In the case of communi cation errors the display of remote controller may not match the LED display of the outdoor unit Defective indoor controller board Defective remote controller Check the display time of Please Wait after turning on the main power Symptoms Please Wait is kept being displayed on the remote controller How long is Please Wait kept being display...

Страница 42: ...air of S1 S2 and S3 on the both side of indoor outdoor terminal blocks Defective indoor controller board Replace the indoor controller board Miswiring breaking or poor connection of indoor outdoor connecting wire Check if there is miswiring or breaking of wire Defective indoor power board Replace the indoor power board Symptoms Nothing is displayed on the remote controller 1 LED display of the ind...

Страница 43: ...k the trans mission wire and elimi nate the causes Defective outdoor controller circuit board Replace the outdoor controller circuit board Defective indoor power board Replace the indoor power board Symptoms Nothing is displayed on the remote controller 2 LED display of the indoor controller board LED1 LED2 LED3 or Check the voltage between S1 and S2 on the terminal block TB4 of the indoor unit wh...

Страница 44: ...board must be defective The remote controller wire short circuits Check if the remote controller wire is short circuited Defective indoor controller board Replace the indoor controller board Symptoms Nothing is displayed on the remote controller 3 LED display of the indoor controller board LED1 LED2 or LED3 Check the voltage of the terminal block TB6 of the remote controller Check the status of th...

Страница 45: ...anace menu See the operation manual that came with the product for how to clean the filters Display time of depends on the model Long life filter 2500 hrs Standard filter 100 hrs 3 Heat Standby is displayed on the screen 3 This is displayed when the unit starts HEAT operation when the thermostat puts the compres sor in operation mode or when the outdoor unit ends DEFROST operation and returns to H...

Страница 46: ...mes 4 This is not a malfunction This is the sound when the fan of the outdoor unit is controlling the airflow amount in order to keep the optimum operating condition 5 A sound similar to water flow ing is heard from the unit 5 This is not a malfunction This is the sound when the refrigerant is flowing inside the indoor unit Something is wrong with the blower 1 The fan speed does not match the sett...

Страница 47: ...d on the remote controller in the case of 1 and 2 Heat Defrost will be displayed on the screen in the case of 3 3 The airflow direction does not change Up down vane left right louver 3 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner does not have that f...

Страница 48: ... or piping joints are cooled they sweats and water drips down Heating water drips down from the heat exchanger Note Make use of optional parts Drain Socket and Drain pan if these water needs to be collected and drained out for once The display of wireless remote controller gets dim or does not come on The indoor unit does not receive a signal from remote controller at a long distance Batteries are...

Страница 49: ...or MF1 MF2 Refer to the next page Solenoid valve coil 4 way valve 21S4 Measure the resistance between the terminals with a tester At the ambient temperature 20 C Normal Abnormal 2350 170 Open or short Motor for compressor MC Measure the resistance between the terminals with a tester Winding temperature at 20 C Normal Abnormal Refer to 5 2 COMPRESSOR TECHNICAL DATA Open or short Linear expansion va...

Страница 50: ... 4 of the fan connector VDC 250 330 VDC TEST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 VDC Did the fuse blow Is there contact failure Is the voltage normal Check the operation Complete Complete Check the operation of fan Disconnect the FAN motor connector and measure the resistance of connector pins Refer to 10 5 HOW TO CHECK THE PARTS Is the fan motor normal Yes No Replace outdoor c...

Страница 51: ... 17 kΩ 2 B constant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465 kΩ 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat sink TH8 20 C 250 kΩ 30 C 160 kΩ 40 C 104 kΩ 50 C 70 kΩ 60 C 48 kΩ 70 C 34 kΩ 80 C 24 kΩ 90 C 17 5 kΩ 100 C 13 0 kΩ 110 C 9 8 kΩ High temperature thermistors Thermistor Discharge TH4 Thermistor Comp surface TH33 0 10 20 30 ...

Страница 52: ...lve is locked 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 screw driv er handle while putting the screw driver to the linear expansion valve LEV M 1 6 ø4 ø4 ø3 ø2 ø1 1 RD BU OG YE WH 2 3 4 5 Connector LEV A LEV B 12 VDC Outdoor controller circuit boar...

Страница 53: ...ess Be sure to attach the stopper to pipe B B A 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 main body Then securely attach the coil stop per to pipe B At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stop per is not ...

Страница 54: ...unit 3 During emergency operation the air conditioner will continuously be operated by supplying power and stopping it It cannot be turned on or off by remote control and temperature control is not possible 4 Do not perform emergency heating operation for an extended period of time If the outdoor unit starts defrosting during this period cold air will blow out from the indoor unit 5 Do not perform...

Страница 55: ...et temperature Tj 5 5 Discharge superheat SHd 30 C 30 C 2 Sub cool SC 5 C 5 C 2 1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data When the unit enters emergency operation and TH values are mismatched set the thermistors to open short And the unit runs emergency operation with the values listed above 2 If one thermistor is set to open s...

Страница 56: ... B Linear expansion valve CNF1 Connect to the fan motor 1 4 250 330 VDC 5 4 15 VDC 6 4 0 6 5 VDC 7 4 15 VDC When stopped 7 5 VDC When operated 0 15 V pulse TH4 Thermistor Discharge TH3 Thermistor Liquid TH7 6 Thermistor Ambient 2 phase pipe TH33 Thermistor Comp surface 7 6 5 4 1 63H High pressure switch VSP Voltage between pins of C5A C5B 0 VDC when stopped 1 6 5 VDC when operated Connect to compr...

Страница 57: ...ard SW11 M NET address 1s digit SW12 M NET address 10s digit SW1 Switch for communication display between M NET and outdoor board CND Power supply 5V 12V input 2 to 3 5 VDC Input 1 to 3 12 VDC Input 1 2 3 LED12 Transmitting SW7 Demand control setting CNM Connect to A control service tool SW6 Model select SWP Pump down SW4 Test operation SW5 Function switch SW1 Manual defrost detect history record ...

Страница 58: ... 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 10 9 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 1 Function of switches 1 Manual defrost should be done as follows 1 Change the DIP SW1 1 on the outdoor switch board from OFF to ON 2 Manual defrost will start by the above operation 1 if all these conditions written below are satisfied Heat mode setting 10 minutes have passed since compressor started op...

Страница 59: ...nction Switch Type of Switch Switch No Function Action by the switch operation Effective timing ON OFF DIP switch SW5 1 No function 2 Power failure automatic recovery 2 Auto recovery No auto recovery When power supply ON 3 4 5 6 No function SW7 4 1 Mode select 3 Demand function Low noise mode Always 2 No function 3 Max Hz setting cooling Max Hz cooling o 0 8 Normal Always 4 Max Hz setting heating ...

Страница 60: ... example low noise mode B On site arrangement C External input adapter PAC SC36NA E X Relay D Outdoor unit control board E Max 10 m F Power supply for relay A SW1 OG 1 3 BN RD 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 SC36NA E D Outdoor unit control board E Max 10 m F Power supply for relay By performing the following ...

Страница 61: ...r outdoor connecting wire or power supply 3Check if noise entered into indoor outdoor controller circuit board 4Re check error by turning off power and on again P 34 Indoor outdoor unit communication error transmitting error is detected by indoor unit E7 P 34 Indoor outdoor unit communication error signal receiving error is detected by outdoor unit P 34 E8 Indoor outdoor unit communication error t...

Страница 62: ...ck if indoor outdoor units have a short cycle on their air ducts 2Measure resistance value of outdoor thermistor TH8 P 30 7 blinking Abnormality of voltage U9 1Check looseness disconnection and reversed connection of compressor wiring 2Measure resistance value among terminals on compressor using a tester 3Check if power supply voltage decreases P 31 4 blinking 1 blinking Abnormality of room temper...

Страница 63: ...r 4 way valve Solenoid valve 0 1 ON 2 ON 3 ON ON 4 ON 5 ON ON 6 ON ON 7 ON ON ON 8 ON A ON ON Display Inspection unit 0 Outdoor unit 1 Indoor unit 1 2 Indoor unit 2 3 Indoor unit 3 4 Indoor unit 4 Display Contents to be inspected During operation U1 Abnormal high pressure 63H operated U2 Abnormal high discharging temperature and comp surface thermistor shortage of refrigerant U3 Open short circuit...

Страница 64: ...ore hundreds 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 A opening pulse 0 to 480 0 to 50 Note Omit the figures after the decimal fractions 0 to 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example ...

Страница 65: ...it number and code 52 to 221 When the temperature is 100 C or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 C 0 5 s 0 5 s 2 s C A Code display Code display 0 to 50 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Thermostat ON time 0 to 999 Test run elapsed time 0 to 120 0 to 999 When it...

Страница 66: ...ng 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 3 4 5 6 1 ON 2 3 4 5 6 Indoor pipe temperature Cond Eva TH5 1 Indoor 1 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turns C 39 to 88 When the temperature is 0 ...

Страница 67: ...y turns 40 to 200 When the temperature is 0 C or less and temperature are displayed by turns When the thermistor detects 100 or more hundreds digit tens digit and ones digit are displayed by turns Outdoor ambient temperature TH7 60 to 91 60 to 91 When the temperature is 0 C or less and temperature are displayed by turns Normal Overvoltage error Undervoltage error Input current sensor error L1 phas...

Страница 68: ...ion of postponement 00 is displayed in the case of no postponement Code display Error history 3 Oldest Alternate display of abnormal unit num ber and code When no error history 0 and are displayed by turns 3 Outdoor pipe temperature Liquid TH3 6 Outdoor pipe temperature 2 phase TH6 7 Outdoor ambient temperature TH7 8 Outdoor heat sink TH8 1 ON 2 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...

Страница 69: ...re are displayed by turns Example When 15 C 0 5 s 0 5 s 2 s Outdoor pipe temperature 2 phase TH6 on error occurring 60 to 91 60 to 91 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 s 0 5 s 2 s Outdoor ambient temperature TH7 on error occurring 60 to 91 60 to 91 When the temperature is 0 C or less and temperature are displayed by turns Example When ...

Страница 70: ...39 to 88 When the temperature is 0 C or less and temperature are displayed by turns Indoor pipe temperature Cond Eva TH5 3 Indoor 3 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turns When there is no indoor unit 00 is displayed 50 1 C 1 ON 2 3 4 5 6 Discharge superheat on error occurring SHd 0 to 255 Cooling TH4 or TH33 TH6 Heating TH4 or TH33 TH5 Indoor p...

Страница 71: ...ve temp erature rise of discharge temperature Preventive control for excessive temp erature rise of condensing temperature Frosting preventing control Preventive 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 temperature Preventive control for excessive tempe r...

Страница 72: ...the indoor units Initial setting Initial setting Initial setting ta A B 2 ta A B 2 ta A ta A No 2 The data of the sensor on the indoor unit that connected with remote controller ta A ta B ta A ta A No 3 The data of the sensor on main remote controller ta C ta C ta C ta C OUTDOOR INDOOR REMOTE MAIN REMOTE SUB INDOOR OUTDOOR INDOOR REMOTE MAIN REMOTE SUB OUTDOOR INDOOR REMOTE MAIN OUTDOOR INDOOR REM...

Страница 73: ... Unit No 2 Heat mode 4 degrees correction Indoor unit Intake air temperature Unit No 3 Heat mode 4 degrees correction Indoor unit Intake air temperature Unit No 4 Heat mode 4 degrees correction Indoor unit Liquid pipe temperature Unit No 1 Indoor unit Liquid pipe temperature Unit No 2 Indoor unit Liquid pipe temperature Unit No 3 Indoor unit Liquid pipe temperature Unit No 4 Indoor unit Cond Eva p...

Страница 74: ... history 1 latest Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 to 255 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Displays postponement code is displayed if no postponement code is present Displays postponement code is displayed if no postponement code is present...

Страница 75: ...history 1 latest Error history 2 second to last Error history 3 third to last Abnormal thermistor 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 times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror...

Страница 76: ...fterversioninformation Examples Ver 5 01 A000 A000 1 hour 10 hours Ver For indoor fan phase control For indoor fan pulsation control For indoor DC brushless motor control Indoor Fan operating time After filter is reset Indoor Total operating time Fan motor ON time Indoor fan output value Sj value Indoor fan output value Pulsation ON OFF Indoor fan output value duty value Indoor unit Capacity setti...

Страница 77: ...quest code 50 Data display Operation mode Display Operation mode 0 STOP FAN C COOL DRY H HEAT d DEFROST Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Unit No 4 state Unit No 3 state Unit No 2 state Unit No 1 state Display State 0 Normal 1 Preparing for heat operation 2 3 4 Heater is ON 5 Anti freeze protection is ON 6 Overheat protection...

Страница 78: ...splay SV1 Four way valve Compressor 0 1 2 3 4 5 6 7 8 9 A b C d E F ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON Actuator output 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 Overvoltage Undervoltage L...

Страница 79: ...pacity setting display Request code 70 Data display Capacity 10 50 9 35 11 60 14 71 20 100 25 125 28 140 40 200 50 250 Outdoor unit Setting information Request code 71 Data display Setting 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 phase Heat pump 1 Co...

Страница 80: ...16 11 125 02 22 12 140 03 25 13 160 04 28 14 200 05 32 15 224 06 35 36 16 250 07 40 17 280 08 45 18 09 50 19 0A 56 1A 0b 63 1b 0C 71 1C 0d 80 1d 0E 90 1E 0F 100 1F Display Pair No setting state 00 No 0 01 No 1 J41 disconnected 02 No 2 J42 disconnected 03 No 3 J41 J42disconnected Wireless pair No indoor control board side setting Request code 165 Data display 0 0 See the table on the right ...

Страница 81: ... 7 Indoor intake air temperature Cool Classification Item Result Inspection Temperature difference Heat Inspection Temperature difference Stable Unstable C C Stable Unstable C C Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 40 C or higher or indoor intake air temperature is 23 C or lower B In heat mode outdoor intake...

Страница 82: ... support Clamp 1 Removing the top panel service panel front panel back panel and grille 1 Remove the top panel fixing screws 4 10 one from the right and two from the left side and detach the top panel 2 Remove 2 service panel fixing screws 4 10 and detach the service panel by pulling it downward See Photo 2 3 Remove the front panel fixing screws 4 10 3 from the front 2 from the right and 2 from th...

Страница 83: ...See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Disconnect the indoor outdoor connecting wire from terminal block 6 Disconnect the connector CNF1 LEV A and LEV B on the controller circuit board Symbols on the board CNF1 Fan motor LEV A LEV B LEV 7 Disconnect the pipe side connections of the following parts 4 way valve 21S4 T...

Страница 84: ...al parts box See Photo 5 6 Remove the sound proof cover from the compressor Thermistor Discharge TH4 7 Pull out the thermistor Discharge TH4 from the sensor holder See Photo 8 Thermistor Comp surface TH33 7 Pull out the thermistor Comp surface TH33 from the sensor holder See Photo 8 7 Removing the 4 way valve coil 21S4 and LEV coil LEV A LEV B 1 Remove the service panel See Photo 2 2 Remove the to...

Страница 85: ...e LEV cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 10 Removing the high pressure switch 63H 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove the electrical parts box See Photo 5 6 Pull out the lead wire of...

Страница 86: ...he rubber mount 10 Recover refrigerant 11 Remove 3 compressor fixing nuts by using a spanner or a adjustable wrench 12 Remove the welded pipe of compressor inlet and outlet Note Recover refrigerant without spreading it in the air Receiver leg fixing screw Valve bed 13 Removing the power receiver 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See ...

Страница 87: ...tion except for the ON OFF button 6 ON OFF lamp 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 7 Function button F1 Main display Press to change the operation mode Menu screen The button function varies with the screen 8 Function button F2 Main display Press to decrease temperature Main menu Press to move t...

Страница 88: ...ol Set temp Auto Basic mode Fri Cool Mode Temp Fan Set temp Auto 2 1 5 6 7 8 9 0 1 3 9 4 2 3 4 5 6 7 2 1 5 Display 4 3 8 4 Appears when the Weekly timer is enabled 5 Appears while the units are operated in the energy saving mode Will not appear on some models of indoor units 6 Appears while the outdoor units are operated in the silent mode 7 Appears when the built in thermistor on the remote contr...

Страница 89: ...ON OFF timer Auto return Clock Main Sub Temp range Auto OFF timer Schedule Daylight saving time Clock Administrator password Operation locked 3D i See sensor High power Vane Louver Vent Lossnay Comfort Timer Energy saving Basic setting Display setting Operation setting Restriction Weekly timer OU silent mode Timer menu Main display Display details Contrast Brightness Language selection Auto mode C...

Страница 90: ...unction setting Maintenance password Dealer information input Error information Test run menu Maintenance information Filter information Cleaning Settings menu Check menu Other menu Auto descending panel Descending operation Self check Descending adjustment Remote controller check Continue from the previous page Not all functions are available on all models of indoor units Error history menu Error...

Страница 91: ...tdoor units over temperature control Set the Start Stop times for each day of the week Select the desired silent level from Normal Middle and Quiet Night setback 1 Use to make Night setback settings Select Yes to enable the setting and No to disable the setting The temperature range and the start stop times can be set Energy saving Restriction Temp range 2 Use to restrict the preset temperature ra...

Страница 92: ...ayed The model name manufacturing number and contact information need to be registered in advance to be displayed Filter information Use to check the filter status The filter sign can be reset Cleaning Auto descending panel Use to lift and lower the auto descending panel Optional parts Service Test run Select Test run from the Service menu to bring up the Test run menu Test run Drain pump test run...

Страница 93: ...ignal transmitted from the remote controller has been received Signals can be received up to approximately 7 meters in a direct line from the indoor unit in an area 45 to the left and right of the unit However illumination such as fluorescent lights and strong light can affect the ability of the indoor unit to receive signals If the operation lamp near the receiver on the indoor unit is blinking t...

Страница 94: ...ing Auto Set Temperature buttons Weekly timer ON OFF button Set Time button Sets the time Airflow button Changes up down airflow direction Mode button Changes operation mode Timer ON button Timer OFF button OFF ON button Fan Speed button Changes fan speed SET SEND button CANCEL button Up Down buttons Menu button i see button Reset button Remote controller display Transmission area 3D i See sensor ...

Страница 95: ...e of occur rence model name and serial number will appear The model name and serial number will appear only if the informa tion have been registered Press the F1 or F2 button to go to the next page When an error occurs the following screen will appear Check the error status stop the operation and consult your dealer Contact information dealer s phone number will appear if the information has been ...

Страница 96: ...ormation Filter information Cleaning While no errors are occurring page 2 2 of the error information can be viewed by selecting Error information from the Maintenance menu Errors cannot be reset from this screen Checking the error information F1 F2 F3 F4 ...

Страница 97: ...ntenance password is required 3 If the password matches the Service menu will appear The type of menu that appears depends on the connected indoor units type A screen will appear that indicates the setting has been saved Navigating through the screens To go back to the Service menu button To return to the previous screen button Note The initial maintenance password is 9999 Change the default passw...

Страница 98: ...utton to go through the operation modes in the order of Cool and Heat Check the auto vane with the F1 F2 buttons Press the button to return to Test run operation Press the button When the test run is completed the Test run menu screen will appear The test run will automatically stop after 2 hours The function is available only for the model with vanes Test run operation Auto vane check Press the b...

Страница 99: ... from the unit 6 Press the VANE button and check whether the auto vane operates properly 7 Press the ON OFF button to stop the test run Note Point the remote controller towards the indoor unit receiver while following steps 2 to 7 It is not possible to run in FAN DRY or AUTO mode 1 A B 2 3 15 4 3 PAR SL100A E 1 Press the button 1 to stop the air conditioner If the weekly timer is enabled is on pre...

Страница 100: ...it is common or when running all units all indoor units for the se lected refrigerant address will start fan operation Function setting Ref address Sending data 5 When the settings are completed press the button to send the setting data from the remote controller to the indoor units When the transmission is successfully completed the screen will return to the Function setting screen Note Make the ...

Страница 101: ...s remote controller toward the receiver of the indoor unit and press the h button 3 Set the unit number Press the TEMP button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the wireless remote controller toward the receiver of the indoor unit and press the min button Notes 1 If a unit number that cannot be recognized by the unit is entered 3 beeps of 0 4 ...

Страница 102: ...de number B Fig 3 Direct the wireless remote controller toward the receiver of the indoor unit and press the button Current setting number 1 1 beep 1 second 2 2 beep 1 second each 3 3 beep 1 second each 4 Selecting the setting number Use the button to change the Setting number C Fig 4 Direct the wireless remote controller toward the receiver of the indoor unit and press the button 5 To select mult...

Страница 103: ... F1 or F2 button and press the button 3 16 error history records will appear 4 records are shown per page and the top record on the first page indicates the latest error record To delete the error history press the F4 button Delete on the screen that shows error history A confirmation screen will appear asking if you want to delete the error history Press the F4 button OK to delete the history Err...

Страница 104: ...4 button Delete on the screen that shows preliminary error history A confirmation screen will appear asking if you want to delete the preliminary error history Press the F4 button OK to delete the preliminary error history Preliminary error history deleted will appear on the screen Press the button to go back to the Error history menu Preliminary error history Page Delete Error history menu Error ...

Страница 105: ...ute will appear will appear if no error history is available 4 Resetting the error history Press the F4 button Reset on the screen that shows the error history A confirmation screen will appear asking if you want to delete the error history Press the F4 button OK to delete the error history If deletion fails Request rejected will appear Unit not exist will appear if no indoor units that are corres...

Страница 106: ...NET address B indoor unit and the number of blinks of the OPERATION INDICATOR lamp check is completed f 15 7 3 PAR SL100A E Procedure 1 Press the CHECK button twice CHECK lights and refrigerant address 00 blinks Check that the remote controller s display has stopped before continuing 2 Press the TEMP buttons Select the refrigerant address of the indoor unit for the self diagnosis Note Set refriger...

Страница 107: ...32 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission line and the other remote controllers NG ALL0 ALL1 Send receive circuit fault The remote controller needs replac ing ERC The number of data errors is the discrepancy between the number of bits in the data transmitted from the remote controller and that of the data that was ac...

Страница 108: ... the button Fixed operation will start Note Stable mode will take approx 20 minutes F1 F2 F3 F4 Check menu Cursor Service menu Error history Diagnosis Smooth maintenance Request code Smooth maintenance Return Smooth maintenance Return Smooth maintenance Return Page Page Page COMP current COMP run time COMP On Off COMP frequency A Hz Hr times Hr Ref address Cool Ref address Cool Ref address Cool Su...

Страница 109: ... 01 Outdoor unit Indoor unit 01 Outdoor unit Indoor unit 01 Remote controller Details on the operation data including each thermistor temperature and error history can be confirmed with the remote controller Select Request code with the F1 or F2 button and press the button Select Check with the F1 or F2 button and press the button 2 Set the Refrigerant address and Request code Select the item to b...

Страница 110: ...ICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2021 MITSUBISHI ELECTRIC CORPORATION Published Sep 2021 No OCH751 Made in Japan Specifications are subject to change without notice ...

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