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 36 

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(c)

Error code, stop code table 

(Assignment of error codes and stop codes is done in common for all models.)

0

Norma l

-

-

OFF

05

5 time

flash

35

Cooling high pressure control

Cooling overload operation.
Outdoor unit fan speed drops.
Outdoor heat exchanger sensor is short circuit.

When the outdoor heat exchanger sensor's value exceeds 
the set value.

5 time 

flash

51

1 time

flash

80

When the indoor unit's fan motor is detected to be running 
at 300 rpm or lower speed with the fan motor in the ON 
condition while the air conditioner is running.

OFF

42

Current cut

2 time

flash

59

Compressor wiring is unconnection
Voltage drop
Low speed protective control

9 time

flash

36

Compressor overheat
(115˚C)

Refrigerant is insufficient. 
Discharge pipe sensor is faulty.
Service valve is closed.

When the discharge pipe sensor's value exceeds the set 
value.

6 time

flash

37

Outdoor heat exchanger sensor 
is abnormal

Outdoor heat exchanger sensor wire is 
disconnected.
Connector connections are poor.

When a temperature of 

55˚C or lower is sensed continuously for 20 

seconds while the power is turned on or after the outdoor unit's speed 
has continued at 0rps or higher for 2 minutes (the compressor stops).

7 time

flash

82

Indoor heat exchanger sensor 
is abnormal (anomalous stop)

Indoor heat exchanger sensor wire is 
disconnected.
Connector connections are poor.

continuously for 40 minutes during heating operation. 
(the compressor stops).

2 time

flash

86

Heating high pressure control

Heating overload operation.
Indoor unit fan speed drops.
Indoor heat exchanger sensor is short circuit.

When high pressure control operates during heating 
operation and the compressor stops.

6 time

flash

85

Anti-frost control

Indoor unit fan speed drops.
Indoor heat exchanger sensor is broken wire.

When the anti-frost control operates and the compressor 
stops during cooling operation.

5 time

flash

47

Active filter voltage error

Defective active filter.

7 time

flash

57

Refrigeration cycle system 
protective control

When refrigeration cycle system protective control 
operates.

7 time

flash

84

Anti-condensation control

High humidity condition.
Humidity sensor is faulty.

Anti-condensation prevention control is operating.

4 time

flash

38

Outdoor air temperature sensor 
is abnormal

Outdoor air temperature sensor wire is 
disconnected.
Connector connections are poor.

seconds while the power is turned on or after the outdoor unit's speed 
has continued at 0rps or higher for 2 minutes (the compressor stops).

8 time

flash

48

8 time

flash

58

Current safe

8 time

flash

61

Connection lines between the 
indoor and outdoor units are 
faulty

When 10 seconds passes after the power is turned on 
without communications signals from the indoor or 
outdoor unit being detected correctly.

1 time

flash

62

Serial transmission error

Indoor or outdoor unit circuit boards 
are faulty.
Noise is causing faulty operation.

When 7 minute 35 seconds passes without 
communications signals from either the outdoor unit or 

2 time

flash

39

Discharge pipe sensor is 
abnormal (anomalous stop)

When a temperature of 

25˚C or lower is sensed continuously for 20 

seconds after the outdoor unit's speed has continued at 0rps or higher 
for 10 minutes (the compressor stops).

9 time

flash

60

Rotor lock

After the compressor starts, when the compressor stops 
due to rotor lock.

OFF

(5 times)

(3 times)

(3 times)

(3 times)

(2 times)

Number of flashes when in 

service mode

RUN

light

(10's digit)

TIMER

light

(1's digit)

Stop coad

or

Error coad

Error content

Cause

Occurrence conditions

Error

display

Auto

recovery

OFF

3 time 

flash

5 time 

flash

6 time 

flash

8 time 

flash

4 time 

flash

Can not receive signals for 35 
seconds
(if communications have recovered)

Outdoor unit's fan motor is 
abnormal

Short circuit in the power 
transistor (high side)
Current cut circuit breakdown

Indoor unit's fan motor is 
abnormal

Compressor lock.
Compressor wiring short circuit.
Compressor output is open phase.
Outdoor unit's circuit board is faulty.
Service valve is closed.
Electronic expansion valve is faulty.
Compressor is faulty.

Outdoor fan motor is faulty.
Connector connections are poor.
Outdoor unit's circuit board is faulty.

Outdoor unit's circuit board is faulty.
Power transistor is damaged.

Refrigerant is overcharge.
Compressor lock

.

Overload operation.

Compressor wiring is disconnected.
Power transistor is damaged.
Power supply construction is defective.
Outdoor unit's circuit board is faulty.

Compressor is faulty.
Compressor output is open phase.
Electronic expansion valve is faulty.
Overload operation.
Outdoor unit's circuit board is faulty.

Indoor fan motor is faulty.
Connector connections are poor.
Indoor unit's circuit board is faulty.

Connection lines are faulty.
Indoor or outdoor unit circuit boards 
are faulty.

Service valve is closed.
Refrigerant is insufficient. 

Discharge pipe sensor wire is 
disconnected.
Connector connections are poor.

Power supply is faulty.
Power supply cables and signal lines are improperly wired.
Indoor or outdoor unit circuit boards are faulty.

When 35 seconds passes without 
communications signals from either the outdoor unit or 
the indoor unit being detected correctly.

Compressor start fails 42 times in succession and the 
reason for the final failure is current cut.

When the wrong voltage connected for the power supply.
When the outdoor control PCB is faulty.

When a fan speed of 75 rpm or lower continues for 30 
seconds or longer.

When it is judged that the power transistor was 
damaged at the time the compressor started.

When there is a current safe stop during operation.

When the current is 1A or less at the time the 
compressor started.
When the power supply voltage drops during operation.
When the outdoor unit's speed is lower than 26 rps for 
60 minutes.

the indoor unit being detected correctly.

(2 times)

(2 times)

(3 times)

When a temperature of 

55˚C or lower is sensed continuously for 20 

When a temperature of 

28˚C or lower is sensed 

Содержание SRK50ZHX-S

Страница 1: ...3 INVERTER WALL MOUNTED TYPE ROOM AIR CONDITIONER Split system air to air heat pump type SRK50ZHX S SRK60ZHX S Manual No 08 SRK T 079...

Страница 2: ...n 9 4 3 Auto restart function 9 4 4 Custom cord switching procedure 9 4 5 Flap and louver control 10 4 6 3D auto operation 11 4 7 Timer operation 12 4 8 Installation location setting 12 4 9 Outline of...

Страница 3: ...or electrical equipment 30 6 2 Servicing 48 7 REFRIGERANT PIPING INSTALLATION SERVICING MANUAL FOR AIR CONDITIONERS USING R410A 49 7 1 Outline 49 7 2 Refrigerant piping installation 50 7 3 Installatio...

Страница 4: ...ess remote control Flap swing The flaps swing up and down successively Louver swing The louvers swing left and right successively 3D auto operation Fan speed and air flow direction are automatically c...

Страница 5: ...OWER Green 3D AUTO Green ECONO Blue Safety equipment O D mm in Liquid line 6 35 1 4 Gas line 12 7 1 2 Connecting method Flare connecting Attached length of piping Liquid line 0 55 m Gas line 0 49 m In...

Страница 6: ...een TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipment O D mm in Liquid line 6 35 1 4 Gas line 12 7 1 2 Connecting method Flare connecting Attached length of piping Liquid line 0 55...

Страница 7: ...imately 15 to 30 C Cooling operation Approximately 15 to 46 C Heating operation Approximately 15 to 21 C Power source voltage Rating 10 Voltage at starting Min 85 of rating Frequency of ON OFF cycle M...

Страница 8: ...12 2 R6 2 4 Piping system Models SRK50ZHX S 60ZHX S Outdoor unit Indoor unit Room temp sensor Heat exchanger Flare connection Heat exchanger sensor 1 Piping Liquid 6 35 Check joint 4 way valve Service...

Страница 9: ...How to obtain the cooling and heating capacity Example The net cooling capacity of the model SRK60ZHX S with the piping length of 15m indoor wet bulb temperature at 19 0 C and outdoor dry bulb tempera...

Страница 10: ...G RD RD BK BK WH WH YE BL T 1 Phase 220 240V 50Hz 1 3 4 5 5 5 2 12 5 5 5 5 5 5 5 5 5 6 Th1 SM3 SM4 SM2 SM1 SM5 LS Th2 Th3 FM Powewr Source INTERFACE KIT SC BIKN DISPL BACK U WIRELESS RECEIVER HEAT EXC...

Страница 11: ...LEAN mode ON TIMER button This button selects ON TIMER operation AIR FLOW LEFT RIGHT button 3D AUTO button This button sets 3D AUTO operation This button selects ALLERGEN CLEAR operation ALLERGEN CLEA...

Страница 12: ...ngs b HIGH POWER operations Notes 1 Auto restart function is set at on when the air conditioner is shipped from the factory Consult with your dealer if this function needs to be switched off 2 When po...

Страница 13: ...memorized in the microcomputer the flap or louver will automatically be set at this angle when the next operation is started 5 When not operating The flap returns to the position of air flow directly...

Страница 14: ...termined according to the room temperature and setting temperature 2 During DRY Operation including auto DRY operation At cooling Air flow selection Operation mode AUTO HI MED LO At heating Room temp...

Страница 15: ...the side walls If you set the remote control s installation position keep it so that the air flow is within the range shown in the following figure 1 Setting 1 If the air conditioning unit is running...

Страница 16: ...when all of the following conditions are met 1 After start of heating operation When it elapsed 35 minutes Accumulated compressor operation time 2 After end of defrosting operation When it elapsed 35...

Страница 17: ...e outdoor air temperature determines the operation mode and then begins in the automatic operation Heating Dehumidifying Cooling Room temperature C Outdoor temperature C 2 The unit checks the temperat...

Страница 18: ...an that after fuzzy calculation the speed is kept to 30 rps However when the thermo becomes OFF the speed is reduced to 0 rps c Reset conditions When either of the following condition is satisfied 1 T...

Страница 19: ...Prevents anomalous high pressure operation during heating b Detector Indoor heat exchanger sensor Th2 c Detail of operation A B C D Indoor unit heat exchanger temperature C 4rps 1 8rps 2 8rps 2 4rps...

Страница 20: ...control is activated and inching prevention control is carried out with the minimum speed set at 35 rps 4 The outdoor fan is set on 2nd speed 5 The indoor fan is stepped up by 1 speed step Upper limi...

Страница 21: ...9 Current safe a Purpose Current is controlled not to exceed the upper limit of the setting operation current b Detail of operation Input current to the converter is monitored with the current sensor...

Страница 22: ...plement the following controls 1 Outdoor heat exchanger temperature 21 C After the outdoor fan speed drops down to 1 speed for 60 seconds if the outdoor heat exchanger temperature is lower than 21 C g...

Страница 23: ...the proper cable and insure that the external force of the cable is not conducted to the terminal connection part through properly securing it Improper connection or securing can result in heat genera...

Страница 24: ...taken in performing a welding operation near this unit and take necessary precautions to prevent spatters from entering this unit For installation work be careful not to get injured with the heat exch...

Страница 25: ...irect sunlight or near heat devices such as a stove 3 Outdoor unit a Where air is not trapped b Where the installation fittings can be firmly installed c Where wind does not hinder the intake and outl...

Страница 26: ...al between them as a service space In order to facilitate servicing of controllers please provide a sufficient space between units so that their top plates can be removed easily 4 Where a danger of sh...

Страница 27: ...ge Sealing plate Sleeve Indoor side Outdoor side Standard hole 450 Level position 2 locations Fixing on concrete wall Use of nut anchor Use of bolt anchor Nut M6 Mounting board Mounting board Max 10 B...

Страница 28: ...H05RNR4G1 5 Example or 245IEC57 H Harmonized cable type 05 300 500 volts R Natural and or synth rubber wire insulation N Polychloroprene rubber conductors insulation R Standed core 4or5 Number of cond...

Страница 29: ...nit from the installation board 1 Push up at the marked portion of the indoor unit base lower latch and slightly pull it toward you both right and left hand sides The indoor unit base lower latch can...

Страница 30: ...ified torquing value Liquid side 6 35 14 18N m 1 4 1 8kgf m Gas side 12 7 49 61N m 4 9 6 1kgf m Use one more spanner to fix the valve Remove the flared nuts on both liquid and gas sides Remove the fla...

Страница 31: ...Please use an anti reverse flow type vacuum pump adapter so as to prevent vacuum pump oil from running back into the system Oil running back into an air conditioning system may cause the refrigerant c...

Страница 32: ...Cooling 35 C DB 24 C WB Heating 7 C DB 6 C WB Low pressure MPa Temp difference between return air and supply air C High pressure MPa 220 230 240V b When manipulating the remote control mounted on a w...

Страница 33: ...nt service valve open 3 Troubleshooting procedure If the air conditioner does not run at all If the air conditioner does not run at all diagnose the trouble using the following troubleshooting procedu...

Страница 34: ...ble and perform an operation check The air conditioning system is operating normally Replace the faulty component then perform an operation check Identify the faulty component by using the check proce...

Страница 35: ...lower than the set value The air conditioner stops When the power transistor is judged breakdown while compressor starts The compressor is stopped Broken compressor wire Compressor blockage Trouble o...

Страница 36: ...y a stop occurred when the air conditioning system performed protective stops etc in the past Even if stop data alone are generated the system restarts automatically After executing the stop mode whil...

Страница 37: ...error code was displayed in the past Displays the indoor heat exchanger sensor temperature at the time the error code was displayed in the past Displays the remote control information at the time the...

Страница 38: ...r code 2 times previous when an error was displayed Displays the reason for the stop error code 3 times previous when an error was displayed Displays the reason for the stop error code 4 times previou...

Страница 39: ...causing faulty operation When 7 minute 35 seconds passes without communications signals from either the outdoor unit or 2 time flash 39 Discharge pipe sensor is abnormal anomalous stop When a tempera...

Страница 40: ...s in If no is displayed the error display shows that the trouble has occurred once Notes 3 Auto Recovery Does not occur Auto recovery occurs d Remote control information tables 1 Operation switching R...

Страница 41: ...46 56 66 76 86 96 57 47 37 27 17 7 7 17 27 37 47 57 67 77 87 97 58 48 38 28 18 8 8 18 28 38 48 58 68 78 88 98 59 49 39 29 19 9 9 19 29 39 49 59 69 79 89 99 No does not sound If no data are recorded e...

Страница 42: ...94 114 134 56 36 16 16 36 56 76 96 116 136 58 38 18 18 38 58 78 98 118 138 No does not sound If no data are recorded error code is normal the display for each sensor becomes as shown below Sensor name...

Страница 43: ...trol information on fourth previous occasion Outdoor air temperature sensor temperature on fourth previous occasion Outdoor heat exchanger sensor temperature on fourth previous occasion Discharge pipe...

Страница 44: ...0 1 9 55 14 125 1 6 60 12 130 1 4 65 10 135 1 3 Discharge pipe sensor temperature characteristics Indoor fan motor error Defective fan motor connector poor connection defective PCB Is connector connec...

Страница 45: ...ent gas refrigerant Does compressor operation Is output voltage applied to all 3 phases of power transistor Replace compressor Replace heat exchanger sensor Insufficient gas Is refrigerant amount norm...

Страница 46: ...ission Wiring error including power cable defective indoor outdoor unit PCB Does error persist after power reset Are the lines connecting the indoor and outdoor units connected normally Is DC 0 Approx...

Страница 47: ...ty reading is 0 Anti condensation control is not done 12 Disconnected wire 1 and 2 are short Humidity reading is 100 Anti condensation control keep doing circuited Disconnected wire Short Circuit Rema...

Страница 48: ...ndoor unit fan motor check procedure This is a diagnostic procedure for determining if the indoor unit s fan motor or the circuit board is broken down 1 Indoor unit printed circuit board output check...

Страница 49: ...serial signal inspection to AC 220 230 240V 1 to 2 AC 220 230 240V 2 to 3 Normal if the voltage oscillates between DC 0 and approx 20V CAUTION HIGH VOLTAGE High voltage is produced in the control box...

Страница 50: ...rol NO YES Normal Power transistor inspection procedure Use a tester with a needle indicator for the inspection Do not use a digital tester Check in the AC 300 volt range 1 If there is a self diagnosi...

Страница 51: ...en immediately retighten it after observing that gas is blow out from the loosened portion e Open the valve 1 and 3 after discharging air from the charge hose A then the liquid refrigerant begins flow...

Страница 52: ...s Pseudo azeotropic characteristics R410A is a pseudo azeotropic mixed refrigerant composed of two constituents R32 and R125 Quasi azeotropic condition refers to a state in which the dew point curve a...

Страница 53: ...isonous gas may occur 5 When an air conditioning system charged with a large volume of refrigerant e g multi type air conditioner is installed in a small room it is necessary to exercise care so that...

Страница 54: ...ce outer diameter Minimum joint thickness diameter of copper pipe jointed mm mm 1 4 6 35 0 50 3 8 9 52 0 60 1 2 12 70 0 70 5 8 15 88 0 80 7 2 2 Processing of piping materials When performing the refri...

Страница 55: ...1 4 6 35 0 8 0 0 5 1 0 1 5 1 5 2 0 3 8 9 52 0 8 0 0 5 1 0 1 5 1 5 2 0 1 2 12 70 0 8 0 0 5 1 0 1 5 2 0 2 5 5 8 15 88 1 0 0 0 5 1 0 1 5 2 0 2 5 Table 6 Dimensions related to flare processing for R22 No...

Страница 56: ...and which contains less contaminants It is necessary to carefully treat store copper pipes so that they are not collapsed deformed or damaged Due care must also be exercised so that foreign matters su...

Страница 57: ...ing the connected parts As brazing is molten between the joined surfaces to yield high adhesive strength it is necessary to secure a wide enough space to be joined and also an adequate clearance betwe...

Страница 58: ...ssium fluoride potas sium chloride and sodium fluoride to the borax boric acid compound Cautions 1 Remove the flux after brazing 2 When chlorine contained in the flux stays within the pipe the lubrica...

Страница 59: ...cloth and 3 by means of heat absorbent 4 Movement during brazing Eliminate all vibration during brazing to protect brazed joints from cracking and breakage 5 Oxidation preventive In order to improve...

Страница 60: ...o types of electronic balance for refrigerant charging are available one for 10kg cylinder and the other for 20kg cylinder Electronic balance for 10kg cylinder precision 2g Electronic balance for 20kg...

Страница 61: ...cking for refrigerant cylinder According to the charge hose s cap size a charge port with 1 2 UNF 20 threads per inch and corresponding packing are required j Gas leakage detector A high sensitivity g...

Страница 62: ...e to make setting so that liquid can be charged When using a cylinder equipped with a siphon liquid can be charged without turning it upside down b Connect the gauge manifold s charge hose to the elec...

Страница 63: ...e indoor outdoor units Caution When storing the indoor unit piping in its original position be careful not to break the piping 2 Installing the unit a Proceed with the installation following the steps...

Страница 64: ...reventing function float switch moisture indicator drier and other accessory functions should be adjusted or replaced where necessary 4 Electrical circuit b Checking the accessories to the refrigerant...

Страница 65: ...cessories tools are required Shown below are standard accessories 1 Recovering cylinder Use a recovering cylinder designated by the equipment manufacturer A detachable cylinder must be such that it co...

Страница 66: ...iercing valve a A tool used to make a hole for recovery in the copper pipe when recovering R410A from equipment which has no port for charging or recovering gas Various types are available on the mark...

Страница 67: ...2 INVERTER WALL MOUNTED TYPE ROOM AIR CONDITIONER No 116 1 1A R Air Conditioning Refrigeration Systems Headquarters 16 5 2 chome Kounan Minato ku Tokyo 108 8215 Japan Fax 03 6716 5926...

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