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OPERATION MANUAL

Operation manual

Inverter condensing unit

English

Bedienungsanleitung

Invertierer Verflüssiger

Deutsch

Manuel d'utilisation

Groupe condenseur à inverter

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Gebruiksaanwijzing

Condensorunit met inverter

Nederlands

Manual de operación

Unidad condensadora Inverter

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Manuale d'uso

Unità di condensazione a inverter

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Manual de operações

Unidade de condensação com inversor

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Инструкция

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Skraplacz typu Inverter

polski

ERQ100A7V1B

ERQ125A7V1B

ERQ140A7V1B

ERQ125A7W1B

ERQ200A7W1B

ERQ250A7W1B

Inverter condensing unit

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Содержание ERQ

Страница 1: ...ESIE09 05 Service Manual ERQ Condensing Unit Single Phase ERQ 100 125 140 A7V1B outdoor unit EKEQD F MCBV3 control box EKEXV 50 63 80 100 125 140 expansion valve kit http splitoff ru tehn doc html...

Страница 2: ...http splitoff ru tehn doc html...

Страница 3: ...Layout 18 2 1 ERQ 100 125 140 A7V1B 18 Part 5 Function 21 1 Operation Mode 22 2 Basic Control 23 2 1 Normal Operation 23 2 2 Compressor PI Control 24 2 3 Cooling Operation Fan Control 25 3 Special Con...

Страница 4: ...rom Outdoor Unit 100 Part 8 Installation and Operation Manual 117 Part 9 Troubleshooting 149 1 Symptom based Troubleshooting 151 2 Troubleshooting by Remote Controller 154 2 1 The INSPECTION TEST Butt...

Страница 5: ...n of Thermistor R4T 197 3 29 JA Outdoor Unit Malfunction of High Pressure Sensor 198 3 30 JC Outdoor Unit Malfunction of Low Pressure Sensor 199 3 31 L1 Outdoor Unit Malfunction of PC Board 200 3 32 L...

Страница 6: ...stor Resistance Temperature Characteristics 232 5 Pressure Sensor 234 6 Method of Replacing the Inverter s Power Transistors Modules 235 Part 11 Precautions for New Refrigerant R 410A 237 1 Precaution...

Страница 7: ...e disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the...

Страница 8: ...del and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relo...

Страница 9: ...t the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When rep...

Страница 10: ...ure to measure the insulation resistance after the repair and make sure that the resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the AHU...

Страница 11: ...rmation 1 Part 1 General Information 1 Model Names of Outdoor Units Control Box and Expansion Valve Kit 2 1 1 Outdoor Units 2 1 2 Control Box 3 1 3 Expansion Valve Kit 4 2 Combination Table 5 http spl...

Страница 12: ...it ESIE09 05 2 General Information 1 Model Names of Outdoor Units Control Box and Expansion Valve Kit 1 1 Outdoor Units Outlook Model name V1 1 220 240V 50Hz Series Model Name Power Supply Inverter He...

Страница 13: ...air temperature Td Ts or Tr by means of external device DDC controller Control type Y Control of evaporation and condensing temperature Te Tc by Daikin control no DDC needed Control type Z Control of...

Страница 14: ...xpansion valve kit must be selected to these limitations Saturated suction temperature SST 6 C SH superheat 5 K air temperature 27 C DB 19 C WB Outdoor unit class EKEXV kit 100 EKEXV63 125 125 EKEXV63...

Страница 15: ...acity selection has priority over volume Control box Expansion valve kit Outdoor unit EKEQDCBV3 EKEQFCBV3 EKEXV63 EKEXV80 EKEXV100 EKEXV125 EKEXV140 single phase ERQ100 P P P P P P ERQ125 P P P P P P...

Страница 16: ...Combination Table ESIE09 05 6 General Information http splitoff ru tehn doc html...

Страница 17: ...ESIE09 05 Specifications 7 Part 2 Specifications 1 Specifications 8 1 1 Outdoor Units 8 1 2 Air Handling Units 11 http splitoff ru tehn doc html...

Страница 18: ...60 Empty tubeplate hole 0 0 0 Tube type Hi XSS 8 Fin Fin type Non symmetric waffle louvre Treatment Corrosion resistant Fan Type Propeller Quantity 2 2 2 Air flow rate nominal at rated voltage Coolin...

Страница 19: ...alent refrigerant piping 7 5m level difference 0m Sound pressure level is a relative value depending on the distance and acoustic environment For more details please refer to sound level drawings Soun...

Страница 20: ...he voltage supplied to the unit terminals is not below or above the listed range limits 3 Maximum allowable voltage unbalance between phases is 2 4 Select wire size based on MCA 5 Instead of fuse use...

Страница 21: ...ESIE09 05 Specifications Specifications 11 1 2 Air Handling Units Field supply ask manufacturer http splitoff ru tehn doc html...

Страница 22: ...Specifications ESIE09 05 12 Specifications http splitoff ru tehn doc html...

Страница 23: ...ESIE09 05 List of Electrical and Functional Parts 13 Part 3 List of Electrical and Functional Parts 1 List of Electrical and Functional Parts 14 1 1 Outdoor Unit 14 http splitoff ru tehn doc html...

Страница 24: ...04G A1P X25A Solenoid valve Hot gas Y2S TEV1620DQ2 A1P X26A Solenoid valve Unload circuit Y3S TEV1620DQ2 A1P X27A Pressure related parts Pressure switch INV S1PH ACB 4UB10 OFF 4 0 0 0 15MPa ON 3 0 0 1...

Страница 25: ...ESIE09 05 Refrigerant Circuit 15 Part 4 Refrigerant Circuit 1 Refrigerant Circuit 16 1 1 Outdoor Unit 16 2 Functional Parts Layout 18 2 1 ERQ 100 125 140 A7V1B 18 http splitoff ru tehn doc html...

Страница 26: ...ase of high pressure when a malfunction occurs this switch is activated at high pressure of 4 0 MPa or more to stop the compressor operation T Pressure regulating valve 1 Receiver to discharge pipe Th...

Страница 27: ...ESIE09 05 Refrigerant Circuit Refrigerant Circuit 17 C 3D052712 A P G N M D D O H F E T Subcooling heat exchanger http splitoff ru tehn doc html...

Страница 28: ...GRAY HIGH VOLTAGE S1NPH PRESSURE SENSOR HIGH LEAD WIRE CONNECTOR COLOR RED LOW VOLTAGE S1NPL PRESSURE SENSOR LOW CONNECTOR COLOR BLUE Y1S 4 WAY VALVE LEAD WIRE CONNECTOR COLOR BLUE HIGH VOLTAGE Y3S S...

Страница 29: ...R7T THERMISTOR LIQUID PIPE 1 MARKING COLOR BLUE R3T THERMISTOR SUCTION 1 MARKING COLOR RED R1T THERMISTOR AIR MARKING COLOR YELLOW R8T THERMISTOR LIQUID PIPE 2 CONNECTOR COLOR WHITE R4T THERMISTOR HE...

Страница 30: ...Functional Parts Layout ESIE09 05 20 Refrigerant Circuit http splitoff ru tehn doc html...

Страница 31: ...3 5 Restart Standby 31 3 6 Stopping Operation 32 4 Protection Control 33 4 1 High Pressure Protection Control 33 4 2 Low Pressure Protection Control 34 4 3 Discharge Pipe Protection Control 35 4 4 Inv...

Страница 32: ...rmal operation Compressor PI control Electronic expansion valve PI control Protection control AHU thermostat ON Defrost IN conditions are met No Yes Defrosting operation Cooling or heating operation A...

Страница 33: ...Main electronic expansion valve EV1 480 pls Subcooling electronic expansion valve EV3 PI control Hot gas bypass valve SVP OFF This valve turns on with low pressure protection control Actuator Operati...

Страница 34: ...temperature C Tc setting TcS Target Tc value Varies depending on Tc setting operating frequency etc L M Normal factory setting H 43 46 49 STn INV Fullload INV Unload STn INV Fullload INV Unload STn I...

Страница 35: ...higher When outdoor temperature 12 C it will run in Step 1 or higher 850rpm 715rpm 580rpm 445rpm 360rpm 285rpm 400rpm 250rpm 0 rpm M1F 815rpm 680rpm 545rpm 410rpm 325rpm 250rpm 0 rpm 0 rpm 0 rpm M2F...

Страница 36: ...achieved Outdoor unit fan STEP7 Ta 20 C OFF Ta 20 C STEP4 1 step 15 sec when Pc 2 16MPa 1 step 15 sec when Pc 1 77MPa Four way valve 20S1 Holds OFF OFF Main electronic expansion valve EV1 0 pls 480 p...

Страница 37: ...rs Furthermore the cumulative oil feed rate is computed from Tc Te and compressor loads Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor...

Страница 38: ...n after oil returning the compressor stops for 1 minute to reduce noise on changing of the four way valve Outdoor Unit Actuator Oil return preparation operation Oil return operation Post oil return op...

Страница 39: ...efrost operation to the operation after defrost the compressor stops for 1 minute to reduce noise on changing of the four way valve Outdoor unit actuator Defrost preparation operation Defrost operatio...

Страница 40: ...eration in Heating Operation Actuator Pump down residual operation Step 1 Pump down residual operation Step 2 Compressor 124 Hz Full load 52 Hz Full load Outdoor unit fan Fan control Fan control Four...

Страница 41: ...lize pressure in the refrigerant system Actuator Operation Compressor OFF Outdoor unit fan Ta 30 C STEP4 Ta 30 C OFF Four way valve Keep former condition Main electronic expansion valve EV1 0 pls Subc...

Страница 42: ...p 3 6 1 When System is in Stop Mode Actuator Operation Compressor OFF Outdoor unit fan OFF Four way valve Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electronic expansio...

Страница 43: ...n value INV upper limit frequency 3 step down from current compressor frequency When occurring 10 times within 60 minutes HPS is activated without high pressure standby thus outputting the malfunction...

Страница 44: ...n the malfunction code E4 is output Pe 0 15MPa Pe 0 30MPa Hot gas SVP OFF Hot gas SVP ON Ts Teg 8deg Pe 0 06MPa Pe 0 09MPa or After 10 sec Pe 0 17MPa Pe 0 17MPa Pe 0 20MPa Pe 0 07MPa Current step limi...

Страница 45: ...ure Tp Value of compressor port temperature calculated by Tc and Te and suction superheated degree or Discharge pipe protection control not limited INV upper limit frequency 1 step down from current c...

Страница 46: ...ng 4 times within 60 min the malfunction code L8 is output INV upper limit frequency 1 step down from current compressor frequency INV upper limit frequency 1 step up from current compressor frequency...

Страница 47: ...additional setting of Continuous Demand Setting Demand 1 setting Other protection control functions have precedence over the above operation 5 2 Heating Operation Prohibition Heating operation is pro...

Страница 48: ...the position of the user when the suction temperature is near the preset temperature Ex When cooling Assuming the preset temperature in the figure above is 24 C and the suction temperature has change...

Страница 49: ...range in which thermostat sensor in remote controller can be used so that suction temperature is higher than the preset temperature Ex When heating Assuming the preset temperature in the figure above...

Страница 50: ...n operation in accordance with the following conditions and is also set in accordance with the conditions given below Conditions for starting freeze prevention Temperature is 1 C or less for total of...

Страница 51: ...hermostat ON or after the completion of defrosting in heating operation the AHU fan is controlled to prevent cold air from blasting out and ensure startup capacity Detail of operation During hot start...

Страница 52: ...Outline of Control ESIE09 05 42 Function http splitoff ru tehn doc html...

Страница 53: ...2 System B MULTI 46 2 X Y Z Control 49 2 1 X Control 49 2 2 Y Control 50 2 3 Z Control 51 3 Wiring Diagram of Control Box 52 3 1 D box 52 3 2 F box 53 4 Attention Points 54 5 System A EKEQF EKEQD box...

Страница 54: ...er heat pump 2 systems can be used System A PAIR application ERQ outdoor System B MULTI application VRV outdoor 1 1 System A PAIR System A PAIR ERQ EXV Kit Pair application here means 1 outdoor unit 1...

Страница 55: ...ol type Z H E thermistor 1 H E thermistor 2 Remocon connection EKEQFCB BRC1D service tool EKEQDCB BRC1D required option AHU Third party Air handling unit Can be both on air or water control power supp...

Страница 56: ...well as VRV indoors minimum 1 is required The required control box for this application is EKEQM Piping Communication A B C D E F ERQ 1 phase 100 length 5 A 50 m length 5 m 100 m 20 m 20 m depend on...

Страница 57: ...max number of AHUs on VRV system EXV kit B is 1 if AHUs Liquid pipe Gas pipe Liquid pipe EXV kit 1 power supply 1 230V 50Hz AHU Third party Air handling unit Can be both on air or water control power...

Страница 58: ...0 Piping Communication A B B C D E VRV H P H R consider same as 1 indoor unit length 5 m follow std VRV wiring length policy 50 m 50 m AHU KIT n Indoor 1 Indoor n EXV kit Control Box M type VRV H P VR...

Страница 59: ...r servicing Possibility for Td control Flexibility in applications Higher cost DDC needed In case of X control a DDC controller is needed to operate the unit This DDC controller is field supply but in...

Страница 60: ...utput voltage decreasing line we are now in level 1 2 1 2 Refrigerant target temperature Example continued 3 VDC level 2 thus meaning an increase of the refrigerant target temperature In heating mode...

Страница 61: ...hermistor Daikin BRC1D Daikin KRP4A Daikin option remote on off Low cost BRC needed No possibility for Td control Item Name User Z BP M BM 1 On off button Customer 0 0 0 0 28 Inspection test operation...

Страница 62: ...Wiring Diagram of Control Box ESIE09 05 52 ControlBox 3 Wiring Diagram of Control Box 3 1 D box http splitoff ru tehn doc html...

Страница 63: ...ESIE09 05 Wiring Diagram of Control Box Control Box 53 3 2 F box http splitoff ru tehn doc html...

Страница 64: ...tion Points Do not forget to place the capacity setting adaptor Otherwise you ll get UA or PJ error All capacity setting adaptors are delivered with the control box Polarity of the C5 C6 contact F box...

Страница 65: ...ESIE09 05 System A EKEQF EKEQD box Installation and Operation Manual Control Box 55 5 System A EKEQF EKEQD box Installation and Operation Manual http splitoff ru tehn doc html...

Страница 66: ...Nederlands Manual de instalaci n y operaci n Kit de opciones para la combinaci n de unidades de condensaci n Daikin con unidades de tratamiento de aire suministradas Espa ol Manuale di installazione...

Страница 67: ...2 C5 C6 0 10 V remocon outdoor F1 F2 T1 T2 ON OFF error C1 C2 operation C3 C4 0 10 3 4 6 5 R3T R2T 11 8 10 10 9 3 7 5 6 1 X24A 2 4 3 4 5 1 2 1 5 6 3 10 13 11 7 9 8 4 2 1 5 6 3 12 13 7 9 8 2 1 2 H1 H2...

Страница 68: ...unit to control the room temperature This system does not require a specific external controller Do NOT connect the system to DIII net devices This could result in malfunction or breakdown of the tot...

Страница 69: ...tdoor unit needs to be selected see Engineering databook for capacity Each outdoor unit can be connected to a range of air handling units The range is determined by the allowed expansion valve kits EK...

Страница 70: ...y be generated depending on the conditions under which the electric wave is generated even if 1 m is kept Make sure the control box is installed horizontally Screw nuts position must be downwards Prec...

Страница 71: ...eate large quantities of oxidized film on the inside of the pipes adversely affecting valves and compressors in the refrigerating system and preventing normal operation When brazing while inserting ni...

Страница 72: ...in accordance with relevant local and national legislation Refer to the installation manual attached to the outdoor unit for the size of power supply electric wire connected to the outdoor unit the c...

Страница 73: ...X2M T1 T2 Input ON OFF Field wiring L Live N Neutral Connector Wire clamp Protective earth screw Separate component Optional accessory BLK Black BLU Blue BRN Brown GRN Green GRY Gray ORG Orange PNK P...

Страница 74: ...r gas X1M R5 R6 Thermistor air X1M T1 T2 Input ON OFF X1M Y1 6 Expansion valve Field wiring L Live N Neutral Connector Wire clamp Protective earth screw Separate component Optional accessory BLK Black...

Страница 75: ...ing of the thermistor may result in bad contact and incorrect temperature measurement Fixation of the thermistor 1 Fix the thermistor with insulating aluminum tape field supply in order to ensure a go...

Страница 76: ...shooting on page 68 3 Confirm that the fan of the air handling unit is ON OPERATION AND MAINTENANCE If T1 T2 is applicable Closing the T1 T2 signal starts operation of the air handling unit Opening th...

Страница 77: ...y increase area Capacity decrease area Voltage output linear function with T T actual measured temperature target temperature When T 0 the target temperature is reached Tmax maximum temperature variat...

Страница 78: ...er evaluation time If the error persists contact your dealer If the system operates but it does not sufficiently cool heat Check if the air inlet or outlet of the air handling unit or the outdoor unit...

Страница 79: ...of the refrigerant of oil and of other parts must be done in accordance with relevant local and national legislation NOTES Only a qualified service person is allowed to perform maintenance Before obt...

Страница 80: ...System B EKEQM box Installation and Operation Manual ESIE09 05 70 ControlBox 6 System B EKEQM box Installation and Operation Manual http splitoff ru tehn doc html...

Страница 81: ...units Nederlands Manual de instalaci n y operaci n Kit de opciones para la combinaci n de unidades de condensaci n Daikin con unidades de tratamiento de aire suministradas Espa ol Manuale di installaz...

Страница 82: ...2 11 5 1 4 9 8 5 3 L N R3 R4 R1 R3T R2 Y6 Y5 Y4 Y3 Y2 Y1 Y6 Y5 Y4 Y3 Y2 Y1 expansion valve gas liquid N L R2T R1T air R5 R6 P1 P2 remocon outdoor F1 F2 T1 T2 ON OFF C1 C2 FAN H1 H2 H3 H4 H4 H7 F2 F1...

Страница 83: ...epending on selected air handling unit and depending on the installation configuration Do NOT connect the system to DIII net devices This could result in malfunction or breakdown of the total system T...

Страница 84: ...x can only be used in heat pump applications Depending on the heat exchanger a connectable EKEXV expansion valve kit must be selected to these limitations Table 1 Saturated suction temperature SST 6 C...

Страница 85: ...downwards Precautions Do not install or operate the unit in rooms mentioned below Where mineral oil like cutting oil is present Where the air contains high levels of salt such as air near the ocean Wh...

Страница 86: ...taken the following into account select the pipe size nearest to the required size use the suitable adapters for the change over from inch to mm pipes field supply Cautions for brazing Be sure to car...

Страница 87: ...e eventually Electrical work 1 Open the electrical box cover A 2 Push out ONLY the second lower wire intake hole B from inside to outside Do not damage the membrane 3 Pass valve cable with wires Y1 Y6...

Страница 88: ...er to the installation manual attached to the outdoor unit for the size of power supply electric wire connected to the outdoor unit the capacity of the circuit breaker and switch wiring and wiring ins...

Страница 89: ...ermistor liquid X1M R3 R4 Thermistor gas X1M R5 R6 Thermistor air X1M T1 T2 Input ON OFF X1M Y1 6 Expansion valve Field wiring L Live N Neutral Connector Wire clamp Protective earth screw Separate com...

Страница 90: ...osening of the thermistor may result in bad contact and incorrect temperature measurement Fixation of the thermistor 1 Fix the thermistor with insulating aluminum tape field supply in order to ensure...

Страница 91: ...signal starts operation of the air handling unit Opening the T1 T2 signal stops operation of the air handling unit WHAT TO DO BEFORE OPERATION Field settings for EKEQMCB Refer to the installation man...

Страница 92: ...blocked by obstacles Remove the obstacle and make it well ventilated Check if the air filter is clogged Ask a qualified service person to clean the air filter The error signal is given and the system...

Страница 93: ...st Operation 84 1 1 Procedure and Outline 84 1 2 Operation when Power is Turned On 90 2 Outdoor Unit PC Board Layout 91 3 Field Setting 92 3 1 Field Setting from Remote Controller 92 3 2 Field Setting...

Страница 94: ...V circuit Are the setscrews of wiring not loose Is the electrical component box covered with an insulation cover completely Is pipe size proper The design pressure of this product is 4 0MPa Are pipe i...

Страница 95: ...g If the system cannot be evacuated to 100 7 kPa within 2 hours repeat the operation of vacuum break and vacuum drying Then after leaving the system in vacuum for 1 hour confirm that the vacuum gauge...

Страница 96: ...on regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R 410A GWP 1 value 1975 1 GWP...

Страница 97: ...and correct it Check on operation V3057 Press and hold the TEST OPERATION button BS4 on outdoor unit PC board for 5 seconds Set to setting mode 1 H1P led is off refer to Setting mode 1 The test opera...

Страница 98: ...igerant charge has been finished correctly Recalculate the required amount of refrigerant from the piping length and add an adequate amount of refrigerant F6 Refrigerant overcharge Recalculate the req...

Страница 99: ...See the installation manual attached Confirm that the AHU outdoor units can be operated normally When an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediat...

Страница 100: ...n cannot be recognized In this case the unit cannot be run for up to 12 minutes to automatically set the address Status Outdoor unit Test lamp H2P Blinks Can also be set during operation described abo...

Страница 101: ...ESIE09 05 Outdoor Unit PC Board Layout Test Operation 91 2 Outdoor Unit PC Board Layout A3P A2P A4P X2M X1M ERQ100 125 140A7V1B http splitoff ru tehn doc html...

Страница 102: ...d the FIELD SET MODE is entered 2 Select the desired MODE NO with the button 3 Push the upper button and select FIRST CODE NO 4 Push the lower button and select the SECOND CODE NO 5 Push the button on...

Страница 103: ...DE is entered 3 Select the desired MODE No with the BS2 BUTTON 3 temperature setting V and the BS3 BUTTON 3 temperature setting W 4 Push the BS9 BUTTON 4 set A and select FIRST CODE NO 5 Push the BS10...

Страница 104: ...rol setting EKEQF box x control y control 1 Target refrigerant temperature setting Te y control cooling 5 6 7 1 2 Target refrigerant temperature setting Tc y control heating 43 44 45 1 6 Hot start B m...

Страница 105: ...defrost oil return will result in fan on during thermo off 4 Hot Start During hot start fan on is carried out when Tc is A C or after B minutes Mode n Setting switch n Setting position n Setting 23 13...

Страница 106: ...es Mode n setting Setting switch n Setting position n Setting 51 8 00 level A 1 cooling 01 level A 1 or 2 cooling 6 00 B 3 min C 3 min 01 B 5 min C 3 min 02 B 7 min C 3 min 03 04 B 3 min C 5 min 05 B...

Страница 107: ...rigerant Temperature Setting 6 1 X control Cooling Upper lower limit of Te can be chosen Mode n setting Setting switch n Setting position n Setting B C C min 51 2 00 2 3 01 4 3 02 6 3 03 8 3 04 2 5 05...

Страница 108: ...the DDC level remains constant for A seconds a level update is executed in the main pcb Mode n setting Setting switch n Setting position n Setting Lower limit Tc C Upper limit Tc C 51 0 00 30 55 01 35...

Страница 109: ...Local Setting The operation control mode is compatible with a variety of controls and operations by limiting the functions of the operation remote controller Furthermore operations such as remote cont...

Страница 110: ...the cool heat selector optional accessory to the terminals A B and C on the outdoor X2M Terminal board A B and C d Set the cool heat selector switch DS1 1 from OFF which is selected at the factory bef...

Страница 111: ...pacity Setting after changing the main PC Board A1P to spare parts PC Board When you change the main PC Board A1P to spare parts PC Board please carry out the following setting Please Attach the Capac...

Страница 112: ...be changed as follows Check item selection Set Contents display Monitor mode Setting mode 1 Initial condition Press BS3 RETURN button Press BS3 RETURN button Setting item selection Set Setting mode 2...

Страница 113: ...to set the system to Setting mode 1 Normally Setting mode 1 is set In case of other status push MODE BS1 button one time and set to Setting mode 1 Check the system for each condition through LED displ...

Страница 114: ...ht time low noise setting is also required 27 Night time low noise operation end setting Sets ending time of nighttime low noise operation Night time low noise setting is also required 28 Power transi...

Страница 115: ...Normal operation wxxxxxw Indoor forced operation wxxxxwx 10 Defrost changeover setting w x x w x w x Quick defrost wxxxwxx Normal factory setting wxxxxwx Slow defrost wxxxxxw 12 External low noise de...

Страница 116: ...3 outdoor fan with 4 step or lower wxxxwxx 26 Night time low noise operation start setting w x w w x w x About 20 00 wxxxxxw About 22 00 factory setting wxxxxwx About 24 00 wxxxwxx 27 Night time low n...

Страница 117: ...61 162 15 Contents of malfunction 1 cycle before w x x w w w w 16 Contents of malfunction 2 cycle before w x w x x x x 20 Contents of retry the latest w x w x w x x 21 Contents of retry 1 cycle before...

Страница 118: ...es to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of four upper and four...

Страница 119: ...tem by AHU remote controller only for Z control d Set cool heat separately for each outdoor unit system by cool heat switching remote controller X Y and Z control c Set Cool Heat for Outdoor Unit Syst...

Страница 120: ...Set Cool Heat Separately for Outdoor Unit System by Cool Heat Switching Remote Controller Set outdoor unit PC board DS1 1 to OUT factory set Set cool heat switching to IND individual for Setting mode...

Страница 121: ...ecessary while in Setting mode 2 select the setting condition i e 20 00 22 00 or 24 00 for set item No 26 Setting of start time of nighttime low noise operation Use the start time as a guide since it...

Страница 122: ...em No 30 Setting of Demand 1 level and then set the setting condition to targeted mode Image of operation Set item Condition Content Demand Mode 1 The compressor operates at approx 60 or less of ratin...

Страница 123: ...push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 is entered and H1P lights d Push the BS2 SET button several times and match the LED display with the Setting No you want e Pus...

Страница 124: ...rt setting w x w w x w x PM 8 00 w x x x x x c PM 10 00 Factory setting w x x x x c x PM 0 00 w x x x c x x 27 Night time low noise end setting w x w w x w w AM 6 00 w x x x x x c AM 7 00 w x x x x c...

Страница 125: ...efrigerant using a refrigerant recovery unit See the operation manual attached to the refrigerant recovery unit for more detal e Press Mode button BS1 once and reset Setting Mode 2 3 2 5 Setting of Va...

Страница 126: ...c expansion valve Unit stopping Press the TEST button for 5 seconds 10 sec to 10 minutes LED display H1P H7P 8 ON 3 OFF 9 BLINK 3383333 3933338 Pressure equalizing Step 1 20 sec to 2 minutes 10 minute...

Страница 127: ...ESIE09 05 Installation and Operation Manual 117 Part 8 Installation and Operation Manual http splitoff ru tehn doc html...

Страница 128: ...Montagehandleiding Condensorunit met inverter Nederlands Manual de instalaci n Unidad condensadora Inverter Espa ol Manuale d installazione Unit di condensazione a inverter Italiano Manual de instala...

Страница 129: ...H L2 H 0 L1 1 2 H 1 2 H L1 H 0 L2 1 2 H 1 2 H L2 H L2 H L2 H L2 H L2 H L2 H L2 H 150 500 500 500 500 750 100 100 100 100 200 300 200 100 250 250 500 1000 1000 1000 500 500 500 500 1000 1000 1000 1000...

Страница 130: ...E E 9 A B C 2 2 3 2 4 7 2 9 3 2 3 5 6 1 4 8 3 2 3 16 V 1 2 3 4 230 V 6 5 TO IN D UNIT F1 F2 TO OUT D UNIT F1 F2 DS1 1 2 F1 F2 OUT IN ON OFF A2P X2M A1P A2P A4P X2M F1 F1 F2 F2 TO IN D UNIT C H SELECTO...

Страница 131: ...S The precautions listed here are divided into the following two types Both cover very important topics so be sure to follow them carefully Warning Ask your dealer or qualified personnel to carry out...

Страница 132: ...nd outdoor units power wire and connecting wire at least 1 meter away from televisions or radios to prevent image interference or noise Depending on the radio waves a distance of 1 meter may not be su...

Страница 133: ...tion site where the following conditions are satisfied and that meets with your customer s approval Places which are well ventilated Places where the unit does not bother next door neighbours Safe pla...

Страница 134: ...dripping 10 The equipment is not intended for use in a potentially explosive atmosphere 5 PRECAUTIONS ON INSTALLATION Check the strength and level of the installation ground so that the unit will not...

Страница 135: ...e internal diameter of 25 mm to the drain socket A If the hose is too long and hangs down fix it carefully to prevent kinks 6 INSTALLATION SERVICING SPACE The connection piping outlet direction in the...

Страница 136: ...e Make sure the pump oil does not flow oppositely into the system while the pump is not working Use a vacuum pump which can evacuate to 100 7 kPa 5 Torr 755 mm Hg In order to prevent dirt liquid or du...

Страница 137: ...ve the piping cover rear in reference to figure 7 To install the connecting pipe to the unit in a downward direction make a knockout hole by penetrating the center area around the knockout hole using...

Страница 138: ...use refrigerant leak 9 3 How to use the stop valve Use hexagonal wrenches 4 mm and 6 mm Opening the valve 1 Place the hex wrench on the valve bar and turn counter clockwise 2 Stop when the valve bar n...

Страница 139: ...ump which can evacuate to 100 7 kPa 5 Torr 755 mm Hg 1 Evacuate the system from the liquid and gas pipes by using a vacuum pump for more than 2 hours and bring the system to 100 7 kPa After keeping th...

Страница 140: ...gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R410A GWP 1 value 1975 1 GWP global warming potential Please fill in with indelible ink the factory refrigera...

Страница 141: ...ial start up Setting the mode set the required function A additional refrigerant charging operation to ON Then operation starts The blinking H2P led indicates test operation and the remote controller...

Страница 142: ...interrupted Use only copper wires Do not turn on the main switch until all the wiring is completed Make sure that the main switch has a contact separation of at least 3 mm in all poles Never squeeze b...

Страница 143: ...ween power cable and control wiring 4 Clamp field supply 5 Stop valve mounting plate 6 Power cable 7 Ground cable yellow green 8 Fix the control wiring with the clamp 9 Control terminal block X2M 1 Kn...

Страница 144: ...ections to the power terminal block When none are available follow the instructions below Do not connect wiring of different thicknesses to the power terminal block Slack in the power wiring may cause...

Страница 145: ...structions described in this manual according to the wiring diagrams and according to local and national regulations 4 Pipe sizes and pipe insulation Make sure that correct pipe sizes are installed an...

Страница 146: ...Push button switches BS1 BS5 3 DIP switches 2 DS1 1 DS1 2 x OFF w ON c blinking For changing the set mode For field setting For field setting For test operation For resetting the address when the wir...

Страница 147: ...magnetic solenoid valve may rise during this operation The following items are automatically checked Check for incorrect wiring Check if stop valves are open Check of refrigerant charge Automatic judg...

Страница 148: ...and the remote controller indicates test operation and external control and the operation will be prohibited 2 Recover the refrigerant using a refrigerant reclaimer For details see the operation manua...

Страница 149: ...ow and take whatever action is necessary to comply 1 Calculate the amount of refrigerant kg charged to each system separately 2 Calculate the smallest room volume m3 In a case such as the following ca...

Страница 150: ...g Condensorunit met inverter Nederlands Manual de operaci n Unidad condensadora Inverter Espa ol Manuale d uso Unit di condensazione a inverter Italiano Manual de opera es Unidade de condensa o com in...

Страница 151: ...6 2 3 1 1 7 2 3 1 1 8 2 3 1 4 1 2 5 UNIT NO 1 2 3 4 3 1 2 1 2 1 5 6 3 10 14 11 7 9 8 13 2 1 5 6 3 12 4 7 9 8 2 NOTES 1 2 3 4 5 6 7 8 http splitoff ru tehn doc html...

Страница 152: ...r a fire Never use a flammable spray such as hair spray lacquer or paint near the unit It may cause a fire Never replace a fuse with that of wrong ampere ratings or other wires when a fuse blows out U...

Страница 153: ...scolored or the coating peeled off If it is heavily dirty soak a cloth in water diluted neutral detergent squeeze it well and wipe the panel clean Wipe it with another dry cloth Never touch the intern...

Страница 154: ...ed controller 1 Select operation mode with the field supplied controller 2 Close T1 T2 The operation lamp lights up and the system starts operation Adjustment For programming temperature refer to the...

Страница 155: ...on on page 144 for details on fan only operation Turn off the power The remote controller displays disappear Clean air filters and casings of air handling units Refer to the operation manual supplied...

Страница 156: ...d in order to optimize product operation Symptom 10 The display shows Only when a remote controller is connected This is the case immediately after the main power supply switch is turned on and means...

Страница 157: ...s Be aware that the mentioned maintenance and replacement cycles do not relate to the warranty period of the components Table 1 Inspection Cycle and Maintenance Cycle list Table 1 assumes the followin...

Страница 158: ...ns NOTES Component Inspection cycle Maintenance cycle replacements and or repairs Air filter 1 year 5 years High efficiency filter Optional 1 year Fuse 10 years Crankcase heater 8 years NOTE 1 Table 2...

Страница 159: ...7 3 12 CA AHU Malfunction of Thermistor for Discharge Air 178 3 13 CC AHU Malfunction of Humidity Sensor System 179 3 14 CJ AHU Malfunction of Thermostat Sensor in Remote Controller 180 3 15 E1 Outdoo...

Страница 160: ...age or Electronic Expansion Valve Failure 207 3 39 U2 Power Supply Insufficient or Instantaneous Failure 209 3 40 U3 Check Operation not Executed 211 3 41 U4 Malfunction of Transmission between AHUs a...

Страница 161: ...ved Hang curtains or shades on windows In cooling Too many persons staying in a room In cooling Too many heat sources e g OA equipment located in a room 4 The system does not operate The system stops...

Страница 162: ...or defrosting operation These sounds are produced from gas refrigerant flowing respectively through the AHUs and outdoor units Normal operation AHUs and outdoor units Hissing sounds are produced imme...

Страница 163: ...It stops after a lapse of approximately 5 to 10 minutes 17 The outdoor gets hot While stopping operation The reason is that the compressor is warmed up to provide smooth startup of the system Normal o...

Страница 164: ...Inspection Test Operation button for more than 4 seconds Press Inspection Test Operation button once Press Inspection Test Operation button once Or after 30 minutes After 10 seconds Press Inspection...

Страница 165: ...tion to stop See page 159 for malfunction code and malfunction contents Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in check mode pressing and holding the ON OFF...

Страница 166: ...shooting 2 3 Remote Controller Service Mode How to Enter the Service Mode Service Mode Operation Method 1 Select the mode No Set the desired mode No with the button 2 Return to the normal operation mo...

Страница 167: ...mote controller 1 Suction or level if DDC controller connected 00 level 1 etc 2 Liquid pipe 3 Gas pipe Address data 8 Cool heat group address 9 Demand low noise address 43 Forced fan ON Manually turn...

Страница 168: ...during operation the operation lamp malfunction code and display of malfunctioning unit No let you know the contents and location of the malfunction When there is a stop due to malfunction the content...

Страница 169: ...Actuation of high pressure switch 182 E4 c Actuation of low pressure sensor 184 E5 c Compressor motor lock 186 E6 c Standard compressor lock or over current E7 c Malfunction of outdoor unit fan motor...

Страница 170: ...ilure of remote controller PC board or setting during control by remote controller 214 U7 c Malfunction of transmission between outdoor units U8 c Malfunction of transmission between main and sub remo...

Страница 171: ...2 motor lock Malfunction of electronic expansion valve EV1 E9 EV3 Faulty sensor of outdoor air temperature Faulty Ta sensor short H9 Abnormal discharge pipe temperature Abnormal Td F3 Abnormal heat ex...

Страница 172: ...c c x c x x c c c x x x x c x x 1 J5 c x c x c c x x x x c x x c x x x x c x c J6 c x c c x c x x x x c x x J7 c x c c c c x x x x c x x J9 c c x x c c x x x x c x x JA c c x c x c x x x x c x x JC c...

Страница 173: ...nts of malfunction Malfunction code Open phase Power supply imbalance Imbalance of inverter power supply voltage P1 Faulty temperature sensor of inverter radiation fin Faulty thermistor of inverter fi...

Страница 174: ...c U2 c x x c x c x x x x c x x 1 c x x x x x c c x x x x c x x c x c x x x x c x x x c U3 c x x c c c x x x x c x x c c c x x x x c x c c c U4 c x c x x c x x x x c x x c c c x x x x c x c c c U9 c c...

Страница 175: ...vice Improper field set Defect of AHU PC board Troubleshooting V2776 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Indoor unit PC boar...

Страница 176: ...ceived from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of AHU PC board Troubleshooting Turn power supply OFF...

Страница 177: ...oltage to the fan is maximum Supposed Causes Fan motor lock Disconnected or faulty wiring between fan motor and PC board Troubleshooting Caution Be sure to turn off power switch before connect or disc...

Страница 178: ...fect on signal line Wiring defect Instantaneous blackout others Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check th...

Страница 179: ...aution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred After connecting turn the power supply off and then back on Replace the moving part of th...

Страница 180: ...ion valve Discount the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Continuity No continuity Pin No 1 White 2 Yellow 3 Orange 4 Blue 5 Red 6...

Страница 181: ...apacity code is not contained in the PC board s memory and the capacity setting adaptor is not connected 2 When a capacity that doesn t exist for that unit is set Supposed Causes You have forgotten to...

Страница 182: ...heck the condition of transmission between indoor PC board A1P and PC board for fan A2P using computer Malfunction Decision Conditions When normal transmission is not conducted for certain duration Su...

Страница 183: ...t X70A back to original condition Determination 01 Normal Other than 01 Transmission defect on indoor PC board Caution Be sure to turn off power switch before connect or disconnect connector or parts...

Страница 184: ...r shorted while the unit is running Supposed Causes Defect of thermistor R2T for liquid pipe Defect of AHU PC board Troubleshooting Refer to thermistor resistance temperature characteristics table on...

Страница 185: ...while the unit is running Supposed Causes Defect of AHU thermistor R3T for gas pipe Defect of AHU PC board Troubleshooting Refer to thermistor resistance temperature characteristics table on P232 V27...

Страница 186: ...e causes are Malfunction of PC board for fan A2P Connection defect of capacity setting adapter Setting mistake on site Troubleshooting Caution Be sure to turn off power switch before connect or discon...

Страница 187: ...disconnected or shorted while the unit is running Supposed Causes Defect of AHU thermistor R1T for air inlet Defect of AHU PC board Troubleshooting Refer to thermistor resistance temperature characte...

Страница 188: ...mes disconnected or shorted while the unit is running Supposed Causes Defect of AHU thermistor for air outlet Defect of AHU PC board Troubleshooting Refer to thermistor resistance temperature characte...

Страница 189: ...ccurred YES NO YES NO Remove the humidity sensor from the indoor PC board and insert it again It is normal Poor connector contact Replace the humidity sensor PC board ASS Y A2P 3 It is believed that e...

Страница 190: ...or shorted while the unit is running Supposed Causes Defect of remote controller thermistor Defect of remote controller PC board Troubleshooting Note In case of remote controller thermistor malfunctio...

Страница 191: ...eived from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of outdoor unit PC board A1P Troubleshooting Turn off...

Страница 192: ...igh pressure protection switch opens Malfunction Decision Conditions Error is generated when the HPS activation count reaches the number specific to the operation mode Reference Operating pressure of...

Страница 193: ...ace the main PC board The high pressure sensor is normal and the pressure detected with the PC board is also normal The high pressure has really become high CHECK 1 Refer to information on P 223 remov...

Страница 194: ...function Detection Abnormality is detected by the pressure value with the low pressure sensor Malfunction Decision Conditions Error is generated when the low pressure is dropped under specific pressur...

Страница 195: ...low Refer to information on P 224 remove the causes by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor 4 and that read by the pressure gauge As to...

Страница 196: ...k High differential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PC board Stop valve is left in closed Troubleshooting Check the installation conditions Is the stop valve open NO Is th...

Страница 197: ...ltagebetweenL1 andNonthepowersupplyterminal boardX1Mfallenwithintherangeof 220to240V 10 50Hz NO YES Can the fan be turned smoothly with hand after disconnect the connector of fan motor Is there any ob...

Страница 198: ...plicable Models ERQ 125 200 A7V1 Method of Malfunction Detection Check disconnection of connector Check continuity of expansion valve coil Malfunction Decision Conditions Error is generated under no c...

Страница 199: ...ay be occurred Return to normal Turn power supply off and turn power supply on again Electronic expansion valve is connected to X21A and X22A of outdoor unit PC board A1P Normal when coil check 1 of t...

Страница 200: ...connection of discharge pipe temperature sensor Faulty outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P233 V3068 Caution Be sure to turn off...

Страница 201: ...harge Misalignment of the thermistor for heat exchanger Defect of the thermistor for heat exchanger Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P232 V2797 Cauti...

Страница 202: ...pen circuit Supposed Causes Defect of thermistor R1T for outdoor air Defect of outdoor unit PC board A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P232 V3070...

Страница 203: ...stor is detected Supposed Causes Defect of thermistor R2T for outdoor unit discharge pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics...

Страница 204: ...ed Causes Defect of thermistor R3T R5T for outdoor unit suction pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P232 V3073...

Страница 205: ...upposed Causes Defect of thermistor R6T for outdoor unit heat exchanger Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P232 V30...

Страница 206: ...is detected Supposed Causes Defect of thermistor R7T for outdoor unit liquid pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics table...

Страница 207: ...Causes Faulty subcooling heat exchanger gas pipe thermistor R4T Faulty outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P232 V3075 Caution Be s...

Страница 208: ...ensor with wrong connection Defect of outdoor unit PC board Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P234 V2806 Caution Be sure...

Страница 209: ...h wrong connection Defect of outdoor unit PC board Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P234 V2808 Caution Be sure to turn o...

Страница 210: ...overcurrent OCP during waveform output When the current sensor malfunctions during synchronized operation In case of IGBT malfunction Supposed Causes Faulty outdoor PC board A1P IPM failure Current s...

Страница 211: ...oting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Faulty heat radiation of power unit Air suction opening blocked Dirty radiator fin...

Страница 212: ...ctual is displayed when the inverter output voltage is checked by tester V2812 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Compresso...

Страница 213: ...current check Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Compressor overload Inspection of the compressor and...

Страница 214: ...before connect or disconnect connector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is sta...

Страница 215: ...turn off power switch before connect or disconnect connector or parts damage may be occurred Are the connectors of the inverter PC board and the control PC board securely connected Replace the invert...

Страница 216: ...pen phase Supposed Causes Defect of main circuit capacitor Improper main circuit wiring Defect of outdoor unit PC board A2P Imbalance of phase to phase voltages Open phase Troubleshooting Caution Be s...

Страница 217: ...ort of gas malfunction is detected by discharge pipe temperature thermistor and low pressure saturation temperature Malfunction Decision Conditions Microcomputer judge and detect if the system is shor...

Страница 218: ...ant system is clogged Requires check of refrigerant system Replace the thermistor Replace the outdoor unit PC board A1P YES YES NO NO Out of gas closing of stop valve or refrigerant system is clogged...

Страница 219: ...Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the abnormal voltage of main circuit capacitor built in the...

Страница 220: ...stantaneous voltage drop YES NO When the compressor is running measure the voltage between and of electrolytic capacitor C C Check No 3 Is the resistance above standard value Is the measured voltage 2...

Страница 221: ...n is decided when the unit starts operation without check operation Supposed Causes Check operation is not executed Troubleshooting V3052 Has the check operation performed on Outdoor unit PC board Pre...

Страница 222: ...ion Microcomputer checks if transmission between AHUs and outdoor units is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Ca...

Страница 223: ...d All AHU remote controllers of the same refrigerant system display U4 NO Outdoor unit PC board microcomputer monitor HAP blinks NO NO NO Operation ready lamp H2P is blinking Lamp does not go off for...

Страница 224: ...te controller PC board Malfunction of transmission caused by noise Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred V2823...

Страница 225: ...n the type of outdoor unit Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred V3169 The total of indoor units displaying 7 and indoor units...

Страница 226: ...ect of AHU PC board Stop valve is left in closed Troubleshooting Note Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is...

Страница 227: ...V2831 NO YES YES After fixing incorrect wiring push and hold the RESET button on the master outdoor unit PC board for 5 seconds Normal NO Is electricity being introduce for the first time after instal...

Страница 228: ...y Operation lamp blinks Applicable Models All models of AHUs Unified ON OFF controller Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Malfunction of transmission betwe...

Страница 229: ...g master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the central PC board...

Страница 230: ...ied ON OFF controller Central controller Schedule timer Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Address duplication of central remote controller Improper combin...

Страница 231: ...dule timer NO YES YES NO NO Fix the wiring correctly Set reset switch to normal NO NO YES YES YES Is the power supply turned on for all optional controllers for centralized control Reset power supply...

Страница 232: ...ously Arrange so that the connector for setting master control is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control si...

Страница 233: ...ng Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred V2844 Is the switch for setting each address set correctly Is the tra...

Страница 234: ...ding to the measurement of the pressure sensor In cooling High suction air temperature of the condenser In heating High suction air temperature of outdoor unit Short circuit High ambient temperature I...

Страница 235: ...n air temperature of AHU Short circuit Is the suction air temperature not less than 14 C Is the indoor temperature not less than 14 C Low ambient temperature Faulty suction air thermistor ofAHU Is the...

Страница 236: ...2 With the fan motor connector on motor side disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table Measuremen...

Страница 237: ...oor Unit 228 2 Wiring Diagrams 229 2 1 Outdoor Unit 229 2 2 Field Wiring 230 3 Option List 231 4 Thermistor Resistance Temperature Characteristics 232 5 Pressure Sensor 234 6 Method of Replacing the I...

Страница 238: ...Piping Diagrams ESIE09 05 228 Appendix 1 Piping Diagrams 1 1 Outdoor Unit ERQ 100 125 140 A7V1B 3D052712 http splitoff ru tehn doc html...

Страница 239: ...ESIE09 05 Wiring Diagrams Appendix 229 2 Wiring Diagrams 2 1 Outdoor Unit ERQ 100 125 140 A7V1B http splitoff ru tehn doc html...

Страница 240: ...Wiring Diagrams ESIE09 05 230 Appendix 2 2 Field Wiring ERQ 100 125 140 A7V1B http splitoff ru tehn doc html...

Страница 241: ...List Appendix 231 3 Option List ERQA7V1B Notes All options are kits No Item Type ERQ100 ERQ125 ERQ140 1 Cool Heat Selector KRC19 26A6 2 Fixing Box KJB111A 3 Central drain plug KKPJ5F180 http splitoff...

Страница 242: ...3 3 56 49 55 08 53 6 41 6 53 4 53 71 52 38 54 6 65 6 53 5 51 09 49 83 55 6 41 6 53 6 48 61 47 42 56 6 18 6 06 7 46 26 45 14 57 5 95 5 84 8 44 05 42 98 58 5 74 5 43 9 41 95 40 94 59 5 14 5 05 10 39 96...

Страница 243: ...35 121 7 26 7 16 22 228 05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61 29 12 125 6 51 6 42...

Страница 244: ...PH Detected Pressure High Side MPa PL Detected Pressure Low Side MPa VH Output Voltage High Side VDC VL Output Voltage Low Side VDC PH 1 38V 0 69 PL 0 57V 0 28 PH High pressure MPa VL Low pressure MP...

Страница 245: ...power semiconductors mounted on the inverter PC board by the use of a multiple tester Items to be prepared Multiple tester Prepare the digital type of multiple tester with diode check function Prepar...

Страница 246: ...tion The following abnormalities are also doubted besides the PC board abnormality Faulty compressor ground fault ground leakage Faulty fan motor ground leakage Tester terminal Criterion Remark C U No...

Страница 247: ...for New Refrigerant R 410A 237 Part 11 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 238 1 1 Outline 238 1 2 Refrigerant Cylinders 240 1 3 Service Tools 241 http spli...

Страница 248: ...rigerant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product Reference 1 MPa 1...

Страница 249: ...R 410A 239 Thermodynamic characteristic of R 410A Temperature Steam pressure kPa Liquid Vapor Density kg m3 Liquid Vapor Specific heat at constant pressure kJ kgK Liquid Vapor Specific enthalpy kJ kg...

Страница 250: ...ure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop vessels let them fall apply impact or roll them on the gr...

Страница 251: ...iffers for R 410A and R 407C Charging cylinder Weighting instrument used for HFCs Gas detector The same tool can be used for HFCs Vacuum pump pump with reverse flow preventive function To use existing...

Страница 252: ...rgin of 0 to 0 5mm was provided for flaring For R 410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5mm For clutch type only Conventional tool with pipe extension mar...

Страница 253: ...ee of vacuum 50 l min 50Hz Select a vacuum pump which is able to keep 60 l min 60Hz the vacuum degree of the system in excess of Suction port UNF7 16 20 1 4 Flare 100 7 kPa 5 torr 755 mmHg UNF1 2 20 5...

Страница 254: ...rigerant oil Air compal Specifications Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle Offers high rust resistance and stability over long period of time Dif...

Страница 255: ...t hand operate valve that prevents refrigerant from outflow Differences Pressure proof hose Change in service port diameter Use of nylon coated material for HFC resistance 8 Charging cylinder Specific...

Страница 256: ...igerant charging A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories Differences Measurement is based on weight to prevent change of mixing ratio duri...

Страница 257: ...Board and Fan PC Board 172 Fan Motor M1F Lock Overload 167 Field Setting 92 Field Setting from Outdoor Unit 100 Field Setting from Remote Controller 92 Freeze Prevention 40 Functional Parts Layout 18...

Страница 258: ...tion 23 O Oil Return Operation 27 Operation Lamp Blinks 218 Operation Mode 22 Operation when Power is Turned On 90 Option List 231 Outdoor Unit PC Board Layout 91 Outdoor Unit Thermistors for Discharg...

Страница 259: ...erter radiating fin temperature rise 201 malfunction of low pressure sensor 199 malfunction of moving part of electronic expansion valve 20e 169 malfunction of moving part of electronic expansion valv...

Страница 260: ...t sensor in remote controller 38 cooling 38 heating 39 torque wrench 243 troubleshooting by remote controller 154 turn power on 84 W weigher for refrigerant charge 246 wired remote controller 92 wirin...

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