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ESiEN09-06 A

Refrigerant Circuit

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1. Refrigerant Circuit .................................................................................12

1.1 ERQ 125 A7W1B ...................................................................................12
1.2 ERQ 200 A7W1B ...................................................................................14
1.3 ERQ 250 A7W1B ...................................................................................16

2. Functional Parts Layout ........................................................................18

2.1 ERQ 125 A7W1B ...................................................................................18
2.2 ERQ 200 A7W1B ...................................................................................19
2.3 ERQ 250 A7W1B ...................................................................................20

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Содержание ERQ Series

Страница 1: ...ESiEN09 06 A Service Manual ERQ Condensing Unit Three Phase ERQ 125 200 250 A7W1B EKEQD F MCB A V3 control box EKEXV 50 63 80 100 125 140 200 250 400 500...

Страница 2: ......

Страница 3: ...on Mode 23 2 Basic Control 24 2 1 Normal Operation 24 2 2 Compressor PI Control 25 2 3 Step Control of Outdoor Unit Fans 27 2 4 Outdoor Unit Fan Control in Cooling Operation 28 3 Special Control 29 3...

Страница 4: ...llation and Operation Manual 63 6 System B EKEQM box Installation and Operation Manual 84 1 Test Operation 98 1 1 Installation Process 98 1 2 Procedure and Outline 99 1 3 Operation When Power is Turne...

Страница 5: ...3 3 24 J3 Outdoor Unit Malfunction of Discharge Pipe Thermistor R3 R31 33T 224 3 25 J5 Outdoor Unit Malfunction of Thermistor R2T R7T for Suction Pipe 225 3 26 J6 Outdoor Unit Malfunction of Thermisto...

Страница 6: ...ddress Undefined 259 4 Troubleshooting OP Unified ON OFF Controller 261 4 1 Operation Lamp Blinks 261 1 Piping Diagrams 268 1 1 Outdoor Unit 268 2 Wiring Diagrams for Reference 271 2 1 Outdoor Unit 27...

Страница 7: ...plug socket before 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 equipme...

Страница 8: ...the applicable model 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...

Страница 9: ...e valve to prevent 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 an...

Страница 10: ...trical shock Be sure 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 dr...

Страница 11: ...ESiEN09 06 A General Information 1 1 Model Names of Outdoor Unit 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...

Страница 12: ...ion Valve Kit ESiEN09 06 A 2 General Information 1 Model Names of Outdoor Unit Control Box and Expansion Valve Kit 1 1 Outdoor Units Outlook Model name W1 3 phase 380 415V 50Hz Series Model Name Power...

Страница 13: ...of external device DDC controller Control type X Control of refrigerant temperature by means of external device DDC controller Control type Y Control of evaporation and condensing temperature Te Tc b...

Страница 14: ...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 125 EKEXV63 140 200 EKEXV100 250 250...

Страница 15: ...t exchanger capacity COOLING kW Allowed heat exchanger capacity HEATING kW Minimum Maximum Minimum Maximum Cap class EXV EKEXV50 5 0 6 2 5 6 7 0 EKEXV63 6 3 7 8 7 1 8 8 EKEXV80 7 9 9 9 8 9 11 1 EKEXV1...

Страница 16: ...Combination Table ESiEN09 06 A 6 General Information...

Страница 17: ...ESiEN09 06 A Specifications 7 1 Specifications 8 1 1 Outdoor Units 8...

Страница 18: ...0 85 Plastic kg 0 215 0 265 Heat exchanger Specifications Length mm 1483 1778 Nr of rows 54 Fin pitch 2 Nr of passes 8 18 Face area m 1 762 2 112 Nr of stages 2 Empty tubeplate hole 0 Tube type HI XSS...

Страница 19: ...antity 4 Notes Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m level difference 0m Nominal heating capacities are...

Страница 20: ...t interrupter earth leakage circuit breaker MSC means the maximum current during start up of the compressor Maximum allowable voltage range variation between phases is 2 RLA is based on following cond...

Страница 21: ...06 A Refrigerant Circuit 11 1 Refrigerant Circuit 12 1 1 ERQ 125 A7W1B 12 1 2 ERQ 200 A7W1B 14 1 3 ERQ 250 A7W1B 16 2 Functional Parts Layout 18 2 1 ERQ 125 A7W1B 18 2 2 ERQ 200 A7W1B 19 2 3 ERQ 250 A...

Страница 22: ...re O S1NPL Low pressure sensor Used to detect low pressure P S1PH HP pressure switch For INV compressor In order to prevent the increase of high pressure when a malfunction occurs this switch is activ...

Страница 23: ...ESiEN09 06 A Refrigerant Circuit Refrigerant Circuit 13 ERQ 125 A7W1B 3D050782 5 6 2 K T E D M N A P O W G J 4 3 1...

Страница 24: ...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 Liquid pipe This valve opens at a pressure of 4 0 M...

Страница 25: ...ESiEN09 06 A Refrigerant Circuit Refrigerant Circuit 15 ERQ 200 A7W1B 3D050783 5 7 6 2 3 1 4 D N A P M O W T E F V G J...

Страница 26: ...e of 4 0 MPa or more to stop the compressor operation Q S2PH HP pressure switch For STD compressor 1 U Pressure regulating valve Liquid pipe This valve opens at a pressure of 4 0 MPa for prevention of...

Страница 27: ...ESiEN09 06 A Refrigerant Circuit Refrigerant Circuit 17 ERQ 250 A7W1B 3D050784 8 6 F V G 7 J O X B Q D M N U W A P 2 4 3 1 5 E...

Страница 28: ...1B Plan Front View THERMISTOR ACCUMULATOR Accumulator ass y Heat exchanger THERMISTOR THERMISTOR R7T THERMISTOR Pressure switch High pressure protection S1PH Solenoid valve Accumulator oil return Y2S...

Страница 29: ...Parts Layout Refrigerant Circuit 19 2 2 ERQ 200 A7W1B Plan Front View THERMISTOR Accumulator High pressure sensor S1NPH Heat exchanger THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTO...

Страница 30: ...s Layout ESiEN09 06 A 20 Refrigerant Circuit 2 3 ERQ 250 A7W1B Plan Front View THERMISTOR THERMISTOR Accumulator Heat exchanger THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR ELECTR...

Страница 31: ...on 35 4 Protection Control 36 4 1 High Pressure Protection Control 36 4 2 Low Pressure Protection Control 37 4 3 Discharge Pipe Protection Control 38 4 4 Inverter Protection Control 39 4 5 STD Compres...

Страница 32: ...by high pressure sensor Pe S1NPL Value detected by low pressure sensor SH Evaporator outlet superheat SHS Target evaporator outlet superheat SVO Y2S Solenoid valve for oil return SVP Y1S Solenoid valv...

Страница 33: ...ESiEN09 06 A Function general Function 23 1 2 Operation Mode...

Страница 34: ...rol High pressure protection Low pressure protection Td protection INV protection Outdoor unit fan M1F Cooling fan control Step 7 or 8 Four way valve 20S1 Y1R OFF ON Main motorized valve EV1 Y1E 480 p...

Страница 35: ...ty to adjust Te to achieve target value TeS Te Low pressure equivalent saturation temperature C Te set value Make this setting while in Setting mode 2 TeS Target Te value Varies depending on Te settin...

Страница 36: ...STD1 1 52 Hz OFF 2 56 Hz OFF 3 62 Hz OFF 4 68 Hz OFF 5 74 Hz OFF 6 80 Hz OFF 7 88 Hz OFF 8 96 Hz OFF 9 104 Hz OFF 10 110 Hz OFF 11 116 Hz OFF 12 124 Hz OFF 13 132 Hz OFF 14 144 Hz OFF 15 158 Hz OFF 16...

Страница 37: ...above are all those controlled while in standard mode which vary when the system is set to high static pressure or capacity precedence mode STEP No Fan revolutions rpm ERQ 125 ERQ 200 ERQ 250 0 0 0 0...

Страница 38: ...ppropriate liquid pressure thus ensuring refrigerant circulation rate to be supplied to AHU Upper limit of fan revolutions Step 8 Upper limit of outdoor unit fan revolutions Step 7 1 step on outdoor u...

Страница 39: ...tdoor unit fan STEP4 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 motorized valve EV1 0 pls 480 pls 480 pls Subcooling m...

Страница 40: ...d from Tc Te and compressor loads Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Take the current step as the upper limit 5 HP 52 Hz L...

Страница 41: ...Pe 0 4 MPa Outdoor unit fan STEP7 or STEP8 OFF STEP8 Four way valve ON OFF ON Main motorized valve EV1 SH control 480 pls 480 pls 55 pls Subcooling motorized valve EV2 SH control 0 pls 0 pls Hot gas...

Страница 42: ...rm the operations listed in the table above Non operating units perform the operations listed in the table above from the Defrost operation Non operating unit stops during Defrost preparation operatio...

Страница 43: ...sor stops the pump down residual operation is conducted 3 4 2 Pump down Residual Operation in Heating Operation Actuator Master unit operation Compressor 124 Hz OFF OFF Outdoor unit fan Fan control Fo...

Страница 44: ...efrigerant from melting in the compressor oil in the stopped mode this mode is used to control the crankcase heater Actuator Operation Compressor OFF Outdoor unit fan Ta 30 C STEP4 Ta 30 C OFF Four wa...

Страница 45: ...ctuator Operation Compressor OFF Outdoor unit fan OFF Four way valve Holds Main motorized valve EV1 0 pls Subcooling motorized valve EV2 0 pls Hot gas bypass valve SVP OFF Accumulator oil return valve...

Страница 46: ...ooling operation In heating operation High pressure not limited Pc 3 10MPa System load down 1 steps Current step maintained Pc 3 10MPa EV1 opening adjustment Reducing low pressure to make high pressur...

Страница 47: ...ction Control Function 37 4 2 Low Pressure Protection Control This low pressure protection control is used to protect compressors against the transient decrease of low pressure In cooling operation In...

Страница 48: ...e temperature INV compressor STD compressor HTds 120 C continues for 5 min or more HTds 135 C Tp 135 C continues for 10 min or more Tp 145 C or Applicable STD compressor stops After 10 min Discharge p...

Страница 49: ...ercurrent protection control Inverter fin temperature control Tfin 84 C Fin temp standby Tfin 81 C INV upper limit rps max Under fin temperature protection control INV upper limit frequency 1 step 1 m...

Страница 50: ...frigerant flow into the suction side to reduce the discharge pipe temperature for the compressor protection STD compressor ON CT detection current value 15 0A STD compressor OFF for 30 min Demand to o...

Страница 51: ...acity turn ON the emergency operation is functional If the total capacity of units with thermostat ON is small the outdoor unit cannot operate If the emergency operation is set while the outdoor unit...

Страница 52: ...e 4 Press the SET button BS2 once 5 Press the RETURN button BS3 twice 6 Press the MODE button BS1 once In order to set STD1 compressor to operation prohibition mode set No 19 of Setting mode 2 to STD1...

Страница 53: ...ntinuous Demand Setting or external input by external control adapter is required 5 3 Heating Operation Prohibition Heating operation is prohibited above 24 C ambient temperature Set item Condition Co...

Страница 54: ...controller near 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 temper...

Страница 55: ...When heating Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 28 C A D Body thermostat sensor is used for temperatures from 18 C to 25 C...

Страница 56: ...freeze prevention 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 l...

Страница 57: ...C or lower after the said timer completes the operative period Reset the 60 minute timer when the fan stops running Heating Turn OFF the fan for a period of 60 minutes at a suction temperature of 5 C...

Страница 58: ...Outline of Control ESiEN09 06 A 48 Function...

Страница 59: ...50 1 1 System A PAIR 50 1 2 System B MULTI 52 2 W X Y Z Control 55 2 1 W Control 55 2 2 X Control 57 2 3 Y Control 58 2 4 Z Control 58 3 Wiring Diagram of Control Box 60 3 1 D box 60 3 2 F box 61 4 A...

Страница 60: ...HU by an outdoor inverter 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...

Страница 61: ...Control Boxes Control Box EKEQ CBV3 51 Dedicated power supply Attention power supply 2 types depending on control type power supply power supply remarks distances A B C D E F only in combination with...

Страница 62: ...equired The required control box for this application is EKEQM Also EKEQFCBA can be combined with VRV but in that case maximum 3 AHU s can be combined with the VRV and no indoors Piping Communication...

Страница 63: ...ESiEN09 06 A Different Systems with their Control Boxes Control Box EKEQ CBV3 53 System B VRV EXV kit Dedicated power supply power supply power supply distances A B C D E...

Страница 64: ...ght Connection ratio 50 110 Piping Communication A B B C D E VRV 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...

Страница 65: ...ly BRC1D E only for service Possibility for Td Ts or Tr control Flexibility in applications Higher cost DDC controller required In case of W control a DDC controller is required to operate the unit Th...

Страница 66: ...he cooling capacity will be 100 The same T of 4 C in heating operation means that the field supplied controller needs to output 0 V so that the heating capacity will be 0 The response of the field sup...

Страница 67: ...hich the level decreases Example Room temperature 20 C set temperature 25 C Heating operation DDC controller calculates the difference and sends a 3 VDC signal fictive value to the control box This is...

Страница 68: ...ntrol With Y control there is no external input to change Te Tc value Their values can only be changed by local setup with a Daikin remote controller during installation We refer to the chapter Field...

Страница 69: ...taller 0 0 0 0 30 Schedule timer button Customer 0 0 0 0 31 Time adjust buttons Customer 0 0 0 0 32 Temperature adjust buttons Customer 0 0 0 0 33 Operation change min max button Customer 0 0 0 0 34 S...

Страница 70: ...Wiring Diagram of Control Box ESiEN09 06 A 60 Control Box EKEQ CBV3 3 Wiring Diagram of Control Box 3 1 D box...

Страница 71: ...ESiEN09 06 A Wiring Diagram of Control Box Control Box EKEQ CBV3 61 3 2 F box...

Страница 72: ...Box EKEQ CBV3 4 Attention 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 t...

Страница 73: ...ESiEN09 06 A System A EKEQF EKEQD box Installation and Operation Manual Control Box EKEQ CBV3 63 5 System A EKEQF EKEQD box Installation and Operation Manual...

Страница 74: ...INSTALLATION AND OPERATION MANUAL EKEQFCBAV3 EKEQDCBV3 Option kit for combination of Daikin condensing units with field supplied air handling units...

Страница 75: ...F C1 C2 FAN L N R3 R4 R1 R2 Y6 Y5 Y4 Y3 Y2 Y1 Y6 Y5 Y4 Y3 Y2 Y1 expansion valve gas liquid N L P1 P2 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...

Страница 76: ...1 2 6 X24A 6 7 10 3 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 F2 F1...

Страница 77: ...erature or air discharge temperature Operation with fixed Te Tc temperature control In cooling this system operates on a fixed evaporating temperature In heating this system operates on a fixed conden...

Страница 78: ...the outdoor unit operation range or operation reliability may be influenced if you neglect these limitations EKEQFCB EKEQDCB Thermistor R1T 1 Thermistor R3T R2T 2 5 m cable 2 Insulation sheet 2 Rubbe...

Страница 79: ...ding on the expansion valve Connect the correct selected capacity setting adaptor to X24A A1P See figure 4 Outdoor unit class EKEXV kit Outdoor unit class EKEXV kit 100 EKEXV63 125 200 EKEXV100 250 12...

Страница 80: ...sent Where machines generating electromagnetic waves are present Where acidic or alkaline vapor is present The option boxes must be installed with entrances downward REFRIGERANT PIPING WORK For refrig...

Страница 81: ...valve kit box securely with 4 screws through the provided holes 9 mm Brazing work For details see manual of the outdoor unit 3 Prepare the inlet outlet field piping just in front of the connection do...

Страница 82: ...onnector according to the wiring diagram 5 Make sure that field wiring and insulation is not squeezed when closing the valve kit box cover 6 Close the valve kit box cover 4x M5 INSTALLATION OF THE ELE...

Страница 83: ...nit the capacity of the circuit breaker and switch wiring and wiring instructions Attach the earth leakage circuit breaker and fuse to the power supply line Connection of the wires inside the control...

Страница 84: ...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 Pink RED Red WHT White YLW Yellow Take specia...

Страница 85: ...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 component Optional...

Страница 86: ...allation of the thermistor cable 1 Put the thermistor cable in a separate protective tube 2 Always add a pull relief to the thermistor cable to avoid strain on the thermistor cable and loosening of th...

Страница 87: ...ng unit is ON OPERATION AND MAINTENANCE If T1 T2 is used to control the operation of the air handling unit the following convention is used Closing the T1 T2 signal starts operation of the air handlin...

Страница 88: ...apacity control of the system The system needs a field supplied controller with a tempeature sensor The temperature sensor can be used to control the following temperatures Suction air temperature of...

Страница 89: ...and EKEQFCBA control boxes Mode No Code No Description of setting 22 12 3 01 Fan ON at thermo OFF 02 Fan ON at thermo OFF 03 Factory setting Fan OFF at thermo OFF Mode No Code No Description of settin...

Страница 90: ...or air handling unit is 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...

Страница 91: ...Installation and operation manual 82 EKEQFCBAV3 EKEQDCBV3 Option kit for combination of Daikin condensing units with field supplied air handling units 4P383212 1 2014 08 NOTES...

Страница 92: ...EKEQFCBAV3 EKEQDCBV3 Option kit for combination of Daikin condensing units with field supplied air handling units 4P383212 1 2014 08 Installation and operation manual 83...

Страница 93: ...System B EKEQM box Installation and Operation Manual ESiEN09 06 A 84 Control Box EKEQ CBV3 6 System B EKEQM box Installation and Operation Manual...

Страница 94: ...erde luchtbehandelingsunits 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 Manuale di instal...

Страница 95: ...6 X24A 6 7 10 3 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 F2 F1 10...

Страница 96: ...may fluctuate depending 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 th...

Страница 97: ...This control box 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 temp...

Страница 98: ...osition must be 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 n...

Страница 99: ...ther diameters mm sizes 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...

Страница 100: ...connection with tape 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 cab...

Страница 101: ...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 capacity of the circuit breaker and switch wirin...

Страница 102: ...ler X1M R1 R2 Thermistor 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 sc...

Страница 103: ...ermistor cable or loosening 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...

Страница 104: ...osing the T1 T2 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 i...

Страница 105: ...andling unit is 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...

Страница 106: ...on 98 1 1 Installation Process 98 1 2 Procedure and Outline 99 1 3 Operation When Power is Turned On 112 2 Outdoor Unit PC Board Layout 113 3 Field Setting 114 3 1 Field Setting from Remote Controller...

Страница 107: ...Test Operation ESiEN09 06 A 98 Test Operation 1 Test Operation 1 1 Installation Process Below Figure shows the installation process Install in the order of the steps shown...

Страница 108: ...EN09 06 A Test Operation Test Operation 99 1 2 Procedure and Outline Follow the following procedure to conduct the initial test operation after installation 1 2 1 Check work prior to turn power supply...

Страница 109: ...Test Operation ESiEN09 06 A 100 Test Operation 1 2 2 Turn power on...

Страница 110: ...ng the shutoff valve The refrigerant charge port is connected to unit pipe When shipped the unit contains refrigerant so use caution when attaching the charge hose Gauge manifold Charge hose valve To...

Страница 111: ...vacuum breakdown with nitrogen gas then depressurize down to 100 7 kPa for an hour using the vacuum pump vacuum drying 2 If the pressure does not reach 100 7 kPa even after depressurizing for at leas...

Страница 112: ...n the cap securely For the tightening torque refer to the item Tightening Torque To close 1 Remove the cap and turn the shaft clockwise with the hexagon wrench JISB4648 2 Securely tighten the valve un...

Страница 113: ...o around 10 minutes for the compressor to start up after the unit starting operating This is not a malfunction About refrigerant charging The refrigerant charge port is connected to the piping inside...

Страница 114: ...nt charging operation procedure and charge the remaining refrigerant of the additional charging amount For performing the refrigerant charging operation the push button on the PC board A1P of outdoor...

Страница 115: ...peration within the refrigerant system that have the power off unit the operation cannot finish properly For confirming the number of the outdoor and AHUs with the power on see How to check how many u...

Страница 116: ...oard A1P is as shown in the table below and transmission is normal LED display OFF ON Blinking STEP4 Make the onsite settings as needed using the push button BS1 BS5 on the outdoor unit PC board A1P w...

Страница 117: ...nected to the outdoor unit and revise if necessary UF There is conflict on the connection of transmission wiring in the system Check if the refrigerant piping line and the transmission wiring are cons...

Страница 118: ...sk of electric shock if any live part is touched 1 2 5 2 Onsite Settings with the Power On Use the push button switches BS1 through BS5 on the outdoor unit PC board A1P to make the necessary onsite se...

Страница 119: ...to see if cold or hot air is coming out from the AHU NOTE Heating is not possible if the outdoor temperature is 24 C or higher Refer to the Operation manual If a knocking sound can be heard in the liq...

Страница 120: ...TION label And attach the label on the back side of the front panel Record the installation date Record the installation date on the accessory REQUEST FOR THE INDICATION label in accordance with the I...

Страница 121: ...dress Status Outdoor unit Test lamp H2P Blinks Can also be set during operation described above AHU If ON button is pushed during operation described above the UH malfunction indicator blinks Returns...

Страница 122: ...r unit PC board BS1 BS2 BS3 BS4 BS5 H1P H2P H3P H4P H5P H6P H7P H8P 1 2 3 4 1 2 3 4 F1 F2 F1 F2 Q1 Q2 Indoor Outdoor Outdoor Outdoor Multi outdoor 2 Set mode display LED 3 Mode setting switch 1 Microc...

Страница 123: ...the normal mode press the button for a minimum of four seconds and 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 th...

Страница 124: ...set and the FIELD SET MODE is entered 3 Select the desired MODE No with the BS2 BUTTON 3 temperature setting and the BS3 BUTTON 3 temperature setting 4 Push the BS9 BUTTON 4 set A and select FIRST COD...

Страница 125: ...thermo off heating ON ON OFF 5 T1T2 at power restore T1T2 must be open at power restore T1T2 must be identical to prior to power failure 6 Fan at thermo off cooling ON ON OFF 23 13 0 Control setting...

Страница 126: ...ermo off and fan on during 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 Setti...

Страница 127: ...t is off for at least C minutes refer to thermo off conditions thermostat on is carried out for at least E minutes Mode n setting Setting switch n Setting position n Setting 51 8 00 level A 1 cooling...

Страница 128: ...ntrol 6 Target Refrigerant Temperature Setting 6 1 W control Cooling Te target Te zone T pipe T correction INITIAL VALUE BASE ON ZONE Adjustable by Mode n setting Setting switch n Setting position n S...

Страница 129: ...chosen Correction field setting 21 2 1 2 C W control Setting Description Operation mode 01 02 03 04 Correction target Tc 21 2 0 1 2 1 Mode n setting Setting switch n Setting position n Setting Lower...

Страница 130: ...stant When the DDC level remains constant for A seconds a level update is executed in the main pcb For X control Mode n setting Setting switch n Setting position n Setting Lower limit Tc C Upper limit...

Страница 131: ...ntrol mode is compatible with a variety of controls and operations by limiting the functions of the operation remote controller Furthermore operations such as remote controller ON OFF can be limited i...

Страница 132: ...ty setting to ON with No 29 B The low noise operation aforementioned is enabled in nighttime automatic low noise operation mode Start time Possible to select in the range of 20 00 to 24 00 hours End t...

Страница 133: ...to NONE 7 Emergency operation 1 If the compressor has a failure used to prohibit the operation of compressor s concerned or outdoor unit s concerned and to conduct emergency operation of the system on...

Страница 134: ...ng has not been carried out error code UA are displayed and unit can not be operated DS No Item Contents DS1 1 Cool Heat change over setting ON COOL HEAT setting is made with the use of a Cool Heat se...

Страница 135: ...ail of DS1 1 4 DS2 1 4 setting for Overseas general Unit Setting method represents the position of switches HEAT PUMP 5HP ERQ 125 Set DS2 1 to ON HEAT PUMP 8HP ERQ 200 Set DS2 1 and DS2 3 to ON HEAT P...

Страница 136: ...IND H3P MASTER H4P SLAVE H5P Single outdoor unit system BS1 MODE BS2 SET BS3 RETURN BS4 TEST BS5 RESET V2760 Setting mode 1 Monitor mode H1P Push the BS1 MODE button one time Blinking MODE MODE Off H...

Страница 137: ...select COOL or HEAT by individual outdoor unit factory set 2 Check items The following items can be checked 1 Current operating conditions Normal Abnormal In check operation 2 Setting conditions of CO...

Страница 138: ...ow noise operation in a simple way The operating time is based on Starting set and Ending set 25 Setting of external low noise level Sets low noise level when the low noise signal is input from outsid...

Страница 139: ...there be any faulty part Since the comfortable environment is extremely impaired prompt replacement of the part is required 42 Emergency operation prohibition of INV compressor operation If the INV c...

Страница 140: ...n Indoor forced operation 10 Defrost changeover setting Quick defrost Normal factory setting Slow defrost 12 External low noise demand setting External low noise demand NO External low noise demand YE...

Страница 141: ...g About 20 00 About 22 00 factory setting About 24 00 27 Night time low noise operation end setting About 6 00 About 7 00 About 8 00 factory setting 28 Power transistor check mode OFF ON 29 Capacity p...

Страница 142: ...blocks Lower 4 digits upper 13 Number of terminal blocks Lower 4 digits lower 14 Contents of malfunction the latest Malfunction code table Refer page 189 15 Contents of malfunction 1 cycle before 16...

Страница 143: ...10 binary number which translates 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 comb...

Страница 144: ...for each outdoor unit system by AHU remote controller only for Z control Set cool heat separately for each outdoor unit system by cool heat selector X Y and Z control Set Cool Heat for Outdoor Unit S...

Страница 145: ...SiEN09 06 A 136 Test Operation Set Cool Heat for Outdoor Unit System by Cool Heat Selector Set outdoor unit PC board DS1 1 to OUT factory set Set cool heat switching to IND individual for Setting mode...

Страница 146: ...al operation mode B When the low noise operation is carried out automatically at night The external control adapter for outdoor unit is not required 1 While in Setting mode 2 select the setting condit...

Страница 147: ...Field Setting ESiEN09 06 A 138 Test Operation Image of operation in the case of A Image of operation in the case of B Image of operation in the case of A and B...

Страница 148: ...while in Setting mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode B When the normal demand operation is carried out Use of the external c...

Страница 149: ...When the Normal demand setting is set to ON OFF has been set at factory the power consumption can be set with the Demand 1 level setting 70 of rated power consumption has been set at factory Power co...

Страница 150: ...ode 2 H1P on In setting 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 is entered and H1P lights Push the BS2 SET button several times and match the LED display with the Se...

Страница 151: ...1 Mode 2 Mode 3 25 External low noise setting Mode 1 Mode 2 Factory setting Mode 3 26 Night time low noise start setting PM 8 00 PM 10 00 Factory setting PM 0 00 27 Night time low noise end setting AM...

Страница 152: ...ct the refrigerant using a refrigerant recovery unit See the instruction attached to the refrigerant recovery unit for more detal Press Mode button BS1 once and reset Setting Mode 2 3 2 5 Setting of V...

Страница 153: ...20 sec to 2 minutes 10 minutes 5 minutes Cooling start control Step 2 Stability waiting operation Step 3 Pump down residual operation Step 9 5 minutes Standby for restarting Completion Step 10 Stop v...

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