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ESIE11-05

Basic Control

Functional Description

2.4 Step Control of Outdoor Unit Fans

Used to control the revolutions of outdoor unit fans in the steps listed in table below, according
to condition changes.

Figures listed above are all those controlled while in standard mode, which vary when the

system is set to high static pressure or capacity priority mode.

1* Periodic between 0 speed and 350 speed.

STEP

No.

Fan revolutions (rpm)

EW*Q016BA

EW*Q021BA,

025BA, 040BA

module, 050BA

module

EW*Q032BA,

064BA module

FAN1

FAN2

0/350

0/230

350

230

370

380

400

290

260

450

460

375

345

540

560

570

540

670

680

720

690

760

Cooling: 821

Heating: 800

1091

1061

Cooling: 796

Heating: 780

Cooling: 821

Heating: 800

1136

1106

Содержание EWAQ016BAW

Страница 1: ...ESIE11 05 Service Manual Small inverter chillers EWAQ016BAW EWYQ016BAW EWAQ021BAW EWYQ021BAW EWAQ025BAW EWYQ025BAW EWAQ032BAW EWYQ032BAW EWAQ040BAW EWYQ040BAW EWAQ050BAW EWYQ050BAW EWAQ064BAW EWYQ064BAW ...

Страница 2: ......

Страница 3: ...ing 25 4 2 Wiring Diagram Three Phase 3N 28 4 3 Wiring Outdoor 29 4 4 Field Wiring 38 Part 2 Functional Description 39 1 Function General 40 1 1 Symbol 40 1 2 Operation Mode 41 2 Basic Control 42 2 1 Normal Operation 42 2 2 Compressor PI Control 43 2 3 Electronic Expansion Valve PI Control 44 2 4 Step Control of Outdoor Unit Fans 45 2 5 Outdoor Unit Fan Control in Cooling Operation 46 3 Special Co...

Страница 4: ...very Mode 81 7 7 Setting of Vacuuming Mode 82 8 Remote Controller 83 8 1 Temperature Read Out for Remote Control 83 8 2 Field Setting 84 8 3 Weekly Schedual 97 Part 3 Troubleshooting 99 1 Symptom based Troubleshooting 101 2 Malfunction Codes and Description 104 3 Malfunction Code Indication by Outdoor Unit PCB 106 4 Error Codes 110 4 1 A1 110 4 2 A6 111 4 3 A9 112 4 4 AE 114 4 5 AJ 115 4 6 C1 116 ...

Страница 5: ...55 CHECK 15 180 Part 4 Service Procedure 181 1 List of Electrical and Functional Parts 182 1 1 EW Q016BA 182 1 2 EW Q021BA 025BA 040BA Module 050BA Module 183 1 3 EW Q032BA 064BA Module 184 2 Thermistor Resistance Temperature Characteristics 185 3 Pressure Sensor 187 4 Method of Checking the Inverter s Power Transistors and Diode Modules 188 5 Options 190 5 1 EKRP1AHT 190 5 2 DTA104A62 193 6 Proce...

Страница 6: ...ESIE11 05 Table of Contents iv 1 3 Operation when Power is Turned On 212 Part 6 Maintenance 213 1 Maintenance of the Main Parts 215 Index i ...

Страница 7: ... sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer 1 1 1 Caution in Repair Warning Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shock If it is necessar...

Страница 8: ...l shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Do not tilt the unit when removing it The water inside the unit can spill and wet the furniture and floor Be sure to check that t...

Страница 9: ...damage or modify the power cable Damaged or modified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A in the refrigerant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and i...

Страница 10: ...nsion cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire Caution Check to see if the parts and wires are mounted and connected properly and if the connections at the soldered or crimped terminals are secure Improper installation and connections can cause excessive heat generation fire or an electrical shock...

Страница 11: ...aution Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places in this binder or in this manual where he she will find additional informa...

Страница 12: ...tion Range 2 2 Refrigerant Circuit 3 2 1 Refrigerant Circuit 3 2 2 Functional Parts Layout Outdoor Unit 9 2 3 Refrigerant Flow for Each Operation Mode 12 3 Water Circuit 18 3 1 EWA YQ016BA 021BA 025BA 032BA 18 3 2 EWA YQ040BA 050BA 064BA Module 20 3 3 Pressure Drop 22 4 Wiring Diagram 25 4 1 Hydrobox Wiring 25 4 2 Wiring Diagram Three Phase 3N 28 4 3 Wiring Outdoor 29 4 4 Field Wiring 38 ...

Страница 13: ... Q 016 BA W N Machine type EWA Air cooled chiller cooling only EWY Air cooled chiller heat pump N No Hydraulic components P Low ESP pump H High ESP pump Capacity class in kW Cooling Always 3 digit code 016 021 025 032 040 050 064 Model series BA Refrigerant Q R 410A Voltage W 3N 400 V 50 Hz Option code H Water piping heater tape B Low temperatures Hydraulic module Heat recovery version Pump electr...

Страница 14: ...tivated 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 MPa for prevention of pressure increase thus resulting in no damage of functional parts due to the increase of pressure in transportation or storage V Subcooling heat exchanger Used to subcool liquid refrigerant from the electronic expansion val...

Страница 15: ...Refrigerant Circuit ESIE11 05 4 General Outline EWYQ016BA 3D055765D 5 7 6 2 3 1 4 N A P M O W T E F V G J S1NPH S1PH S1NPL D ...

Страница 16: ...h 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 pressure increase thus resulting in no damage of functional parts due to the increase of pressure in transportation or storage V Subcooling heat exchanger Used to subcool liquid refrigerant from the electronic expansion valve cooling or hydrobox units heating W...

Страница 17: ...Refrigerant Circuit ESIE11 05 6 General Outline EWYQ021BA 025BA 040BA module 050BA module 3D055766E 8 6 F V G 7 J O X B Q M N U W A P 2 4 3 1 5 E S1NPH S2PH S1PH S1NPL D ...

Страница 18: ...re regulating valve Liquid pipe This valve opens at a pressure of 4 0 MPa for prevention of pressure increase thus resulting in no damage of functional parts due to the increase of pressure in transportation or storage V Subcooling heat exchanger Used to subcool liquid refrigerant from the electronic expansion valve cooling or hydrobox units heating W Capillary tube Used to return the refrigeratin...

Страница 19: ...Refrigerant Circuit ESIE11 05 8 General Outline EWYQ032BA 064BA module O X Y B C R W A 7 9 8 2 1 3D050785C 5 6 4 3 M N U E F V G J P Q S1NPH S1PH S2PH S3PH S1NPL D ...

Страница 20: ...Outline 9 2 2 Functional Parts Layout Outdoor Unit 2 2 1 EWYQ016BA Top view Front view THERMISTOR Accumulator High pressure sensor S1NPH Heat exchanger THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR ELECTRONIC ELECTRONIC ...

Страница 21: ... 05 10 General Outline 2 2 2 EWYQ021BA 025BA 040BA Module 050BA Module Top view Front view THERMISTOR THERMISTOR Accumulator Heat exchanger THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR ELECTRONIC ELECTRONIC ...

Страница 22: ...Circuit General Outline 11 2 2 3 EWYQ032BA 064BA Module Top view Front view THERMISTOR THERMISTOR THERMISTOR Accumulator Heat exchanger THERMISTOR THERMISTOR THERMISTOR THERMISTOR ELECTRONIC ELECTRONIC THERMISTOR THERMISTOR ...

Страница 23: ... operation Thermostat ON Indoor unit High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Heat exchanger Electronic expansion valve EXV Normal control Filter Filter Fan COMPRESSOR S1NPH S1PH S1NPL SUBCOOLING HEAT EXCHANGER HEAT EXCHANGER K11E Plate heat exchanger ...

Страница 24: ...ostat ON Indoor unit High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Heat exchanger Electronic expansion valve EXV Normal control Filter Filter Fan S1NPH S1PH S1NPL SUBCOOLING HEAT EXCHANGER HEAT EXCHANGER K11E Plate heat exchanger ...

Страница 25: ...ostat ON Indoor unit High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Heat exchanger Electronic expansion valve EXV Normal control Filter Filter Fan S1NPH S2PH S1PH S1NPL SUBCOOLING HEAT EXCHANGER HEAT EXCHANGER Plate heat exchanger K11E ...

Страница 26: ... Indoor unit High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Heat exchanger Electronic expansion valve EXV Normal control Filter Filter Fan S1NPH S2PH S1PH S1NPL SUBCOOLING HEAT EXCHANGER HEAT EXCHANGER K11E Plate heat exchanger ...

Страница 27: ...Thermostat ON Indoor unit High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Heat exchanger Electronic expansion valve EXV Normal control Filter Filter Fan S1NPH S3PH S2PH SUBCOOLING HEAT EXCHANGER HEAT EXCHANGER K11E Plate heat exchanger ...

Страница 28: ...door unit High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Heat exchanger Electronic expansion valve Filter Filter Fan EXV Normal control S1PH S1NPL S1NPH S3PH S2PH SUBCOOLING HEAT EXCHANGER HEAT EXCHANGER K11E Plate heat exchanger ...

Страница 29: ...Water Circuit ESIE11 05 18 General Outline 3 Water Circuit 3 1 EWA YQ016BA 021BA 025BA 032BA K11E ...

Страница 30: ...sensor R13T Refrigerant liquid temperature sensor R14T Refrigerant gas temperature sensor Check valve Flare connection Screw connection Flange connection Pinched pipe Spinned pipe Airpurge Plate heat exchanger Water outlet Expansion vessel Filter Flowswitch Expansion valve Pressure gauge Water inlet Pressure relief valve Drain and fill valve Pump ...

Страница 31: ...Water Circuit ESIE11 05 20 General Outline 3 2 EWA YQ040BA 050BA 064BA Module K21E K11E ...

Страница 32: ...e circuit 1 R21T Outlet water temperature sensor R22T Inlet water temperature sensor R23T Refrigerant liquid temperature sensor R24T Refrigerant gas temperature sensor K21E Electronic expansion valve circuit 2 Check valve Flare connection Screw connection Flange connection Pinched pipe Spinned pipe Airpurge Plate heat exchanger Water outlet Expansion vessel Filter Flowswitch Expansion valve Pressu...

Страница 33: ...AWP 2 EWA YQ040 050BAWP 3 EWA YQ064BAWP 4 1 2 3 4 350 300 250 200 150 100 50 0 0 50 100 150 200 250 300 kPa l min External static pressure w o l f r e t a W EWA YQ016 025BAWH 1 EWA YQ032BAWH 2 EWA YQ040 050BAWH 3 EWA YQ064BAWH 4 350 400 450 500 300 250 200 150 100 50 0 0 50 100 150 200 250 300 1 1 2 2 3 3 4 4 kPa l min External static pressure w o l f r e t a W ...

Страница 34: ... 3 Unit without Pump 3 3 4 Plate Heat Exchanger Pressure Drop EWA YQ016 025BAWN 1 EWA YQ032BAWN 2 EWA YQ040 050BAWN 3 EWA YQ064BAWN 4 140 160 180 200 120 100 80 60 40 20 0 0 50 100 150 200 250 300 1 1 2 2 3 3 4 4 kPa l min Pressure drop Water flow ...

Страница 35: ...gend Warning Selecting a flow outside the curves can cause damage to or malfunctioning of the unit Also see minimum and maximum allowed flow in the technical specifications Number Description 1 Size 016 021 025 2 Size 032 3 Size 040 050 4 Size 064 ...

Страница 36: ...ESIE11 05 Wiring Diagram General Outline 25 4 Wiring Diagram 4 1 Hydrobox Wiring ...

Страница 37: ... relay M1P Pump PS A P Switching power supply Q1DI Earth leakage circuit breaker Q1T Thermostat for expansion vessel heater R11T Leaving water thermistor circuit 1 R12T Returning water thermistor circuit 1 R13T Refrigerant liquid thermistor circuit 1 R14T Refrigerant gas thermistor circuit 1 R21T Leaving water thermistor circuit 2 R22T Returning water thermistor circuit 2 R23T Refrigerant liquid t...

Страница 38: ...g terminal for low voltage X4M Factory wiring terminal for low voltage 2 Earth wiring Field supply Option Wiring depending on model Not mounted in switch box PCB 1 Several wiring possibilities 3 User installed options EKRUAHT Remote user interface 1x EKRP1AHT Demand PCB only for EW Q 16 32 BAW 2x EKRP1AHT Demand PCB s only for EW Q 40 64 BAW ...

Страница 39: ...ield supplied Part Number Description E5H Expansion vessel heater F1 F2 Fuse F 1A 250V K1P Pump contactor K1S Pump overcurrent relay M1P Pump PS A P Switching power supply Q1DI Earth leakage circuit breaker Q1T Thermostat for expansion vessel heater S1M Main switch X1M X4M Terminal strip ...

Страница 40: ...IE11 05 Wiring Diagram General Outline 29 4 3 Wiring Outdoor 4 3 1 EW Q016BA 1 Communication to the hydrobox 2 Communication used with option DTA104A62 3 Communication used with multi units hydrobox 1 2 3 ...

Страница 41: ... K3R Y1S K7R E1HC K4R Y2S L1R Reactor M1C Motor Compressor M1F Motor Fan PS Switching power supply A1P A3P Q1RP Phase reversal detect circuit Q1DI Earth leakage breaker R1T R6T Thermistor R1T AIR A1P R4T Heat exch deicer R1T FIN A3P R5T Heat exch outlet R2T Suction R6T Liquid pipe R3T M1C discharge R10 Resistor current sensor A4P R50 R59 Resistor R95 Resistor current limiting S1NPH Pressure sensor...

Страница 42: ...earth screw 4 When using the option adapter refer to the installation manual 5 Refer to the installation manual for connection wiring to hydrobox outdoor transmission F1 F2 transmission F1 F2 for option DTA104A62 and on how to use BS1 BS5 and DS1 DS2 switch 6 Do not operate the unit by short circuiting protection device S1PH 7 BLK Black RED Red BLU Blue WHT White PNK Pink YLW Yellow BRN Brown GRY ...

Страница 43: ...agram ESIE11 05 32 General Outline 4 3 2 EW Q021BA 025BA 040BA Module 050BA Module 1 Communication to the hydrobox 2 Communication used with option DTA104A62 3 Communication used with multi units hydrobox 1 2 3 ...

Страница 44: ...R K3R Y1S K7R E1HC K4R Y2S K8R E2HC L1R Reactor M1C M2C Motor Compressor M1F Motor Fan PS Switching power supply A1P A3P Q1RP Phase reversal detect circuit Q1DI Earth leakage breaker R10 Resistor current sensor A4P R50 R59 Resistor R95 Resistor current limiting R1T R6T R31T R32T Thermistor R1T AIR A1P R4T Heat exch deicer R1T FIN A3P R5T Heat exch outlet R2T Suction R6T Liquid pipe R31T M1C discha...

Страница 45: ...earth screw 4 When using the option adapter refer to the installation manual 5 Refer to the installation manual for connection wiring to hydrobox outdoor transmission F1 F2 transmission F1 F2 for option DTA104A62 and on how to use BS1 BS5 and DS1 DS2 switch 6 Do not operate the unit by short circuiting protection device S1PH 7 BLK Black RED Red BLU Blue WHT White PNK Pink YLW Yellow BRN Brown GRY ...

Страница 46: ...ESIE11 05 Wiring Diagram General Outline 35 4 3 3 EW Q032BA 064BA Module 1 Communication to the hydrobox 2 Communication used with option DTA104A62 3 Communication used with multi units hydrobox 1 2 3 ...

Страница 47: ...R Y2S K9R E3HC K7R E1HC L1R Reactor M1C M3C Motor Compressor M1F M2F Motor Fan PS Switching power supply A1P A3P Q1RP Phase reversal detect circuit Q1DI Earth leakage breaker R10 Resistor current sensor A4P A8P R1T R6T R31T R33T Thermistor R1T AIR A1P R33T M3C discharge R1T FIN A3P R4T Heat exch deicer R2T Suction R5T Heat exch outlet R31T M1C discharge R6T Liquid pipe R32T M2C discharge R50 R59 R...

Страница 48: ...earth screw 4 When using the option adapter refer to the installation manual 5 Refer to the installation manual for connection wiring to hydrobox outdoor transmission F1 F2 transmission F1 F2 for option DTA104A62 and on how to use BS1 BS5 and DS1 DS2 switch 6 Do not operate the unit by short circuiting protection device S1PH 7 BLK Black RED Red BLU Blue WHT White PNK Pink YLW Yellow BRN Brown GRY ...

Страница 49: ...Wiring Diagram ESIE11 05 38 General Outline 4 4 Field Wiring 3TW60726 2 ...

Страница 50: ...ion Control 53 4 2 Low Pressure Protection Control 54 4 3 Discharge Pipe Protection Control 55 4 4 Inverter Protection Control 56 4 5 STD Compressor Overload Protection 57 5 Other Control 58 5 1 Emergency Operation 58 5 2 Demand Operation 61 6 Outline of Control Hydrobox 62 6 1 Freeze Prevention 62 6 2 Thermostat Control 63 6 3 Flow Control 64 7 Field Setting from Outdoor Unit 65 7 1 Field Setting...

Страница 51: ...sensor Pe S1NPL Value detected by low pressure sensor R11T R21T Outlet water temperature sensor R12T R22T Inlet water temperature sensor R13T R23T Refrigerant liquid temperature sensor R14T R24T Refrigerant gas temperature sensor SH Evaporator outlet superheat SHS Target evaporator outlet superheat SVO Y2S Solenoid valve for oil return SVP Y1S Solenoid valve for hot gas bypass SVT Y4S Solenoid val...

Страница 52: ...IN conditions are met Defrosting operation Operation mode changeover Operation mode changeover after completion of defrost control Operation in stop mode Malfunction Standby Retry Restart standby Compressor stop Pressure equalization prior to startup Malfunction Standby Retry Startup control Cooling startup control Heating startup control After completion of startup control Hydrobox unit stop or t...

Страница 53: ...trol 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 electronic expansion valve EV1 Y1E 480 pls PI control Subcool heat exchanger electronic expansion valve EV2 Y2E PI control PI control Hot gas bypass valve SVP Y1S OFF Energized when the system is set to low pressure control mode...

Страница 54: ... EW Q064BAW module Notes 1 Depending on operation of compressors the compressors may run in different patterns as shown here 2 Double units EW Q040 064BAW module both circuits run same pattern at the same time With a small exception of safeties and a small delay in bringing in STD compressor Controls compressor capacity to adjust Te to achieve target value TeS Te Low pressure equivalent saturation...

Страница 55: ...ing heat exchanger SH Ts Te SH Evaporator outlet superheated degree C Ts Suction pipe temperature detected by thermistor R6T R7T C Te Low pressure equivalent saturation temperature C SC Tc Tl SC Subcool C Tc Saturated condenser temperature Tl Liquid temperature R6T C Tl Ts EXV1 1 outdoor unit hydrobox PHE K11 K21E 2 SH Ts Te SH Evaporator outlet superheated degree C Ts Suction pipe temperature det...

Страница 56: ...e which vary when the system is set to high static pressure or capacity priority mode 1 Periodic between 0 speed and 350 speed STEP No Fan revolutions rpm EW Q016BA EW Q021BA 025BA 040BA module 050BA module EW Q032BA 064BA module FAN1 FAN2 0 0 0 0 0 1 0 350 0 350 0 230 0 1 350 350 230 0 2 370 370 380 0 3 400 400 290 260 4 450 460 375 345 5 540 560 570 540 6 670 680 720 690 7 760 Cooling 821 Heatin...

Страница 57: ... mode provides high pressure control using the outdoor unit fan Upper limit of outdoor unit fan revolutions Step 8 1 step on outdoor unit fan 1 step on outdoor unit fan PI control Lapse of time PI control Pc 2 75 MPa PI control Pc 3 24 MPa For fan revolutions in each step refer to information on previous page Lapse of time Hold the current step on outdoor unit fan ...

Страница 58: ...art up 3 1 1 Startup Control in Cooling Operation Thermostat ON Pressure equalization control prior to startup Startup control STEP1 STEP2 Compressor 0 Hz 52 Hz OFF OFF 124 Hz OFF OFF 2 steps 20 sec until Pc Pe 0 39MPa is achieved Outdoor 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 electronic expansion ...

Страница 59: ...Pe 0 39MPa is achieved Outdoor unit fan STEP4 STEP8 STEP8 Four way valve Holds ON ON Main electronic expansion valve EV1 0 pls 0 pls 0 pls Subcooling electronic expansion valve EV2 EW Q016BAW 0 pls 0 pls 0 pls Hot gas bypass valve SVP OFF OFF OFF Accumulator oil return valve SVO OFF OFF OFF Ending conditions A lapse of one minute A lapse of 10 sec A lapse of 130 sec Pc 2 70MPa Pc Pe 0 39MPa Hydrob...

Страница 60: ...de the unit closes the EXV for switch over 2 Before switching over to normal heating operations the unit closes the EXV for switch over Actuators are based on EWYQ032BA Outdoor unit actuator Defrost preparation operation Defrost operation Post Defrost operation Compressor Upper limit control Unit controlled 124 Hz OFF OFF 2 steps increase 20sec till Pc Pe 0 4 MPa Outdoor unit fan STEP7 or STEP8 OF...

Страница 61: ...e refrigerant circuit Actuator Operation Compressor 124 Hz OFF OFF Outdoor unit fan Fan control Four way valve OFF Main electronic expansion valve EV1 2000 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP OFF Accumulator oil return valve SVO ON Hydrobox electronic expansion valve K11E 0 pls Hydrobox electronic expansion valve K21E 0 pls Ending conditions 5 min Master Un...

Страница 62: ...ting 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 way valve Holds Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP OFF Hydrobox electronic expansion valve K11E 0 pls Hydrobox electronic expansion valve K21...

Страница 63: ...uators are based on EWYQ032BA Actuator Operation Compressor OFF Outdoor unit fan OFF Four way valve Holds Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP OFF Accumulator oil return valve SVO OFF Hydrobox electronic expansion valve K11E 0 pls Hydrobox electronic expansion valve K21E 0 pls Ending conditions Hydrobox thermostat is tur...

Страница 64: ...of high pressure In case of EW Q040BA 050BA 064BA each outdoor unit performs this control individually in the following sequence High pressure not limited Pc 3 54MPa High pressure standby INV upper limit rps max Current step maintained Pc 3 54MPa Pc 3 7MPa Time laps Time laps Pc 3 6MPa STD compressor standby Pc HP pressure sensor detection value for each outdoor unit When occurring 3 times within ...

Страница 65: ... outdoor unit performs this control individually in the following sequence Pe 0 13MPa Pe 0 23 MPa INV upper limit Hz MAX Pe 0 07MPa Low pressure not limited Low pressure standby Low pressure limited INV upper limit frequency up from current compressor frequency 52 Hz OFF OFF Pe LP pressure sensor detection value for each outdoor unit Pe 0 17MPa When occurring 4 times within 30 min the malfunction ...

Страница 66: ...re Tdi compensated with outdoor air temperature Normal operation Unload inverter Other models INV62 Hz OFF OFF HTdi 115 C HTdi 135 C HTdi 120 C for 10 min or more or HTdi 130 C HTdi 120 C Time laps or HTdi 100 C When occurring 3 times within 100 minutes the malfunction code F3 is output Discharge pipe temperature standby for a period of 10 minutes HTds 120 C continues for 5 min or more HTds 135 C ...

Страница 67: ... sequence Inverter overcurrent protection control Inverter fin temperature control Normal operation Under inverter current protection control Inverter current 14 7A Y1 YL Inverter current standby Inverter current 14 7A Y1 YL INV upper limit frequency max Inverter current 16 1A Y1 YL continues for 260 sec When occurring 4 times within 60 min the malfunction code L8 is output Tfin 84 C Fin temp stan...

Страница 68: ...ting from failures of STD compressor such as locking STD compressor ON CT detection current value 15 0A Y1 YL 28 8A TL STD compressor OFF for 30 min Demand to operate When occurring 3 times within 90 minutes the malfunction code E6 is output If the power supply is reset while in operation prohibition mode the prohibition timer will continue counting when the power supply is turned ON ...

Страница 69: ... to disconnect power supply wires from magnetic contactors or else Doing so will operate compressors in combination that disables oil equalization between the compressors thus resulting in malfunctions of other normal compressors 5 1 1 Restrictions for Emergency Operation If the emergency operation is set while the outdoor unit is in operation the outdoor unit stops once after pump down residual o...

Страница 70: ...ton BS3 twice 6 Press the MODE button BS1 once In order to set the STD 2 compressor to operation prohibition mode set No 19 of Setting mode 2 to STD2 OPERATION PROHIBITION EW Q032BA Procedure 1 Press and hold the MODE button BS1 for a period of 5 seconds or more 2 Press the SET button BS2 19 times 3 Press the RETURN button BS3 once 4 Press the SET button BS2 twice 5 Press the RETURN button BS3 twi...

Страница 71: ...der to set the slave unit 1 to operation prohibition mode set No 39 of Setting mode 2 to SLAVE 1 OPERATION PROHIBITION Procedure 1 Press and hold the MODE button BS1 for a period of 5 seconds or more 2 Press the SET button BS2 39 times 3 Press the RETURN button BS3 once 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 the slave un...

Страница 72: ...ditional setting of Continuous Demand Setting or external input by external control adaptor is required See page 193 for more information Set item Condition Content Demand 1 Mode 1 The compressor operates at approx 60 or less of rating Mode 2 The compressor operates at approx 70 or less of rating Mode 3 The compressor operates at approx 80 or less of rating Demand 2 The compressor operates at appr...

Страница 73: ...OFF condition and field setting 8 04 has been set to 1 or 2 Start condition AND OR Outdoor ambient temperature 4 C A Leaving or return water temperature 7 C A AND OR depending of setting 8 04 for further details see chapter of setting Operation Pump will operate and if leaving OR return water 5 C A for 5 minutes the unit will start up in heating to prevent too low temperatures Normal unit OPZL uni...

Страница 74: ... condition LWT LWT set 2 for 5 min LWT LWT set b immediately b field setting A 03 Thermo ON condition LWT LWT set 3 5 Heating Thermo OFF condition LWT LWT set 2 for 5 min LWT LWT set b immediately b field setting A 03 Thermo ON condition LWT LWT set 3 5 In case of room temperature control the unit is controlled ON OFF with a hysteresis of 0 5 C External device control depends on field installed de...

Страница 75: ...COOLING HEATING Pump ON If no flow unit will decrease capacity to keep the unit in safe situation sensor R13T and R14T No flow for 40 sec unit thermo off No flow for 2 min pump off unit gives A6 error 6 3 3 Unit State DEFROST Pump ON If no flow unit will decrease capacity to keep the unit in safe situation sensor R13T and R14T No flow for 30 sec unit thermo off No flow for 2 min pump off unit give...

Страница 76: ... 20 00 to 24 00 hours End time Possible to select in the range of 06 00 to 08 00 hours Use the said time as a guide since the start time and the end time are estimated according to outdoor temperatures Make this setting while in Setting mode 2 Select a mode with No 22 of Setting mode 2 Select the start time with No 26 and the end time with No 27 If necessary set the Capacity priority setting to ON...

Страница 77: ...operations of hydrobox and outdoor units prohibited fully open the expansion valve of the hydrobox and outdoor units Set No 21 of Setting mode 2 to ON 6 Vacuuming mode 1 Used to conduct vacuuming on site Fully open the expansion valves of the hydrobox and outdoor units and energize part of solenoid valves Use a vacuum pump to conduct vacuuming Set No 21 of Setting mode 2 to ON 7 Power transistor c...

Страница 78: ...s DS1 1 Cool Heat change over setting OFF Factory setting of spare PCB Do not change this setting DS1 2 Power supply specification ON 200V class 220V OFF Factory setting of spare PCB 400V class 380V DS1 3 Cooling only Heat pump setting ON Cooling only setting OFF Factory setting of spare PCB Heat pump setting DS1 4 Unit allocation setting ON Do not change this setting DS2 1 OFF DS2 2 Model setting...

Страница 79: ...witches ON EWYQ016BAWP H P EWYQ016BAWN H P DS1 4 DS2 3 EWYQ021BAWP H P EWYQ021BAWN H P EWYQ040BAWP H P EWYQ040BAWN H P DS1 4 DS2 2 DS2 3 EWYQ025BAWP H P EWYQ025BAWN H P EWYQ050BAWP H P EWYQ050BAWN H P DS1 4 DS2 4 EWYQ032BAWP H P EWYQ032BAWN H P EWYQ064BAWP H P EWYQ064BAWN H P DS1 4 DS2 3 DS2 4 EWAQ016BAWP C O EWAQ016BAWN C O DS1 3 DS1 4 DS2 3 EWAQ021BAWP C O EWAQ021BAWN C O EWAQ040BAWP C O EWAQ040...

Страница 80: ...n one time Normal V2761 Using the MODE button the modes can be changed as follows Check item selection SET button BS2 Contents display Monitor mode Setting mode 1 Initial condition Press BS3 RETURN button one time Press BS3 RETURN button one time Setting item selection SET button BS2 Setting mode 2 Set Select mode with BS2 SET button in each selection step Setting condition selection SET button BS...

Страница 81: ...ushing the RETURN BS3 button will bring the system to the initial state of Setting mode 1 Procedure for checking check items V2763 MODE H1P TEST H2P COOL HEAT select IND H3P MASTER H4P SLAVE H5P Low noise H6P Demand H7P h h k h h h h Current operating conditions hNormal kAbnormal lIn preparation or in check operation khhBy individual outdoor unit hkhIn a batch of outdoor unit group with master uni...

Страница 82: ...starting time of nighttime low noise operation Night 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 transistor check mode Check after disconnection of compressor wires Used for trouble diagnosis of DC compressor Since the waveform of inverter is output wit...

Страница 83: ...A 064BA system Since the comfortable environment is extremely impaired prompt replacement of the part is required 39 Emergency operation Setting for the slave operation prohibition in EW Q040BA 050BA 064BA system 42 Emergency operation prohibition of INV compressor operation If the INV compressor has a failure used to run the system only with STD compressor s This is a temporary running of the sys...

Страница 84: ... khhhhkh 21 Refrigerant recovery vacuuming mode setting k h k h k h k Refrigerant recovery vacuuming OFF khhhhhk Refrigerant recovery vacuuming ON khhhhkh 22 Night time low noise setting k h k h k k h OFF khhhhhh Level 1 outdoor fan with 6 step or lower khhhhhk Level 2 outdoor fan with 5 step or lower khhhhkh Level 3 outdoor fan with 4 step or lower khhhhkk 25 Low noise setting k h k k h h k Level...

Страница 85: ...T H2P C H selection Low noise H6P Demand H7P IND H3P Master H4P Slave H5P Factory set 39 Emergency operation k k h h k k k OFF khhhhhk Slave unit 1 operation Inhibited khhhhkh 42 Emergency operation prohibition of INV compressor operation k k h k h k h Normal operation khhhhhk Emergency operation prohibition of INV compressor operation khhhhkh ...

Страница 86: ... malfunction 2 cycle before l h k h h h h 20 Contents of retry the latest l h k h k h h 21 Contents of retry 1 cycle before l h k h k h k 22 Contents of retry 2 cycle before l h k h k k h 25 Not used l h k k h h k Selection of setting item Confirmation on setting contents To enter the monitor mode push the MODE BS1 button when in Setting mode 1 Push the SET BS2 button and set the LED display to a ...

Страница 87: ...gh level the low noise operation command will be ignored to put the system into normal operation mode B When the low noise operation is carried out automatically at night The external control adaptor for outdoor unit is not required 1 While in Setting mode 2 select the setting condition i e Mode 1 Mode 2 or Mode 3 for set item No 22 Setting of nighttime low noise level 2 If necessary while in Sett...

Страница 88: ...ESIE11 05 Field Setting from Outdoor Unit Functional Description 77 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 89: ...etting 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 control adaptor for outdoor unit is not required 1 While in Setting mode 2 make setting of the set item No 32 Setting of alternate demand to ON 2 While in Setting mode 2 select the set item No 30 Setting of Deman...

Страница 90: ...ted power consumption 40 of rated power consumption Forced thermostat OFF Fan operation Demand level 1 instructing Power consumption set by Demand 1 level setting Demand level 2 instructing Demand level 3 instructing The power consumption during the demand level 1 instructing can be set with the Demand 1 level setting 70 of rated power consumption has been set at factory V3082 The power consumptio...

Страница 91: ... Mode 3 l l 25 External low noise setting Mode 1 l Mode 2 Factory setting l Mode 3 l 26 Night time low noise operation start setting PM 8 00 l PM 10 00 Factory setting l PM 0 00 l 27 Night time low noise operation end setting AM 6 00 l AM 7 00 l AM 8 00 Factory setting l 29 Capacity priority setting Low noise priority Factory setting l Capacity priority l 30 Demand setting 1 60 of rated power cons...

Страница 92: ...in mode 2 number 21 to ON The respective expansion valve of hydrobox and outdoor units are fully opened H2P turns to display TEST OPERATION blinks TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote controller and the all hydrobox outdoor unit operation is prohibited After setting do not cancel Setting Mode 2 until completion of refrigerant recovery operation Collect the refri...

Страница 93: ... the unit stops set Refrigerant recovery Vacuuming mode in mode 2 number 21 to ON The expansion valve of the unit fully opens and some of solenoid valves open H2P blinks to indicate the test operation and the remote controller displays Test Operation and Under centralized control thus prohibiting operation After setting do not cancel Setting Mode 2 until completion of Vacuuming operation Use the v...

Страница 94: ...s displayed icons l and and L are blinking 2 Use the pi and pj buttons to display The entering water temperature icons l and are blinking and the L icon is flashing slowly The indoor temperature icons l and are blinking only when room temperature control is selected The outdoor temperature icons l and u are blinking 3 Push the ba button again to leave this mode If no button is pressed the remote c...

Страница 95: ...te control EKRUAHTB BRC21A52 To change one or more field settings proceed as follows 1 Press the z button for a minimum of 5 seconds to enter FIELD SET MODE The icon c will be displayed The current selected field setting code is indicated b with the set value displayed to the right a 2 Press the Lbi button to select the appropriate field setting first code 8 3 Press the Lbj button to select the ap...

Страница 96: ...eld setting 8 00 the other field settings of group 8 8 01 8 02 8 03 8 04 will be saved as well 3 Before shipping the set values have been set as shown in the field settings table 4 When exiting FIELD SET MODE 88 may be displayed on the remote controller LCD while the unit initializes itself 5 When running through the field settings you may notice that there are some more field settings as mentione...

Страница 97: ...on stop time 5 00 0 00 23 00 1 00 hour 3 Weather dependent set point 00 Low ambient temperature Lo_A 10 20 5 1 C 01 High ambient temperature Hi_A 15 10 20 1 C 02 Set point at low ambient temperature Lo_Ti 40 25 80 1 C 03 Set point at high ambient temperature Hi_Ti 25 25 80 1 C 4 Settings are not applicable 00 Not applicable Do not change the default value 1 01 Not applicable Do not change the defa...

Страница 98: ...maximum temperature 50 37 50 1 C 01 Set point heating leaving water minimum temperature 25 25 37 1 C 02 Set point cooling leaving water maximum temperature 20 18 22 1 C 03 Set point cooling leaving water minimum temperature 5 Q a 18 1 C 04 Not applicable Do not change the default value 0 d Settings are not applicable 00 Not applicable Do not change the default value 10 01 Not applicable Do not cha...

Страница 99: ... in the same way 0 01 Room temperature compensation value If needed it is possible to adjust some thermistor value of the unit by a correction value This can be used as countermeasure for thermistor tolerances or capacity shortage The compensated temperature measured temperature plus compensation value is then used for controlling the system and will be displayed in the temperature read out mode S...

Страница 100: ...g When pushing the r p button The schedule timer for space heating and space cooling along with the quiet mode will be stopped and will not start again The schedule timer icon will not be displayed anymore 1 Schedule timer 2 Setback function 3 When both setback function and schedule timer are enabled A Setback function t Time T Temperature set point Room temperature Leaving water temperature T t 6...

Страница 101: ...ogrammed at 13 00 16 00 and 19 00 The last programmed command 16 00 overruled the previous programmed command 13 00 and will remain active until the next programmed command 19 00 occurs So in order to know the actual setting one should consult the last programmed command It is clear that the last programmed command may date from the day before Refer to the operation manual The controller will be s...

Страница 102: ...e time at which setback is stopped Setback can be configured for both room temperature control and leaving water temperature control Refer to 5 Automatic Setback on page 92 for temperature set points NOTE By default the setback function is enabled The setback function can be combined with the automatic weather dependent set point operation Setback function is an automatic daily scheduled function ...

Страница 103: ...oom thermostat or external room thermostat 3 00 Low ambient temperature Lo_A low outdoor temperature 3 01 High ambient temperature Hi_A high outdoor temperature 3 02 Set point at low ambient temperature Lo_Ti the target outgoing water temperature when the outdoor temperature equals or drops below the low ambient temperature Lo_A Note that the Lo_Ti value should be higher than Hi_Ti as for colder o...

Страница 104: ...for more information 2 this is the connection 2 5 on option EKRP1AHT see wiring for more information For the control of the system and avoiding frequent ON OFF it is advised to use the automatic weather dependent set point operation 6 03 This setting is only applicable for units that need a setpoint below 0 C A negative setpoint can not directly be set on the remote controller This is done threw f...

Страница 105: ...el 2 2 If Tamb 4 C A pump starts If EWT or LWT 5 C A for 5 minutes unit starts It is advised to enable freeze up prevention if the unit is located in a colder ambient room e g garage to prevent water freeze up 8 2 10 9 Automatic Temperature Compensation If needed it is possible to adjust some thermistor value of the unit by a correction value This can be used as countermeasure for thermistor toler...

Страница 106: ... concentration A 04 0 minimum leaving water 0 C A 04 1 minimum leaving water 10 C Caution Glycol concentrations lower than the set parameter will cause freezing of the liquid 8 2 12 b Settings Are Not Applicable Not applicable 8 2 13 C Leaving Water Temperature Limits To prevent misuse concerning leaving water temperatures it is possible to limit the set points C 00 Maximum leaving water setpoint ...

Страница 107: ...By doing so this will enhance the air removal from the circuit The pump can operate at different speed E 04 0 normal operation of the unit default E 04 1 program 1 E 04 2 program 2 8 2 16 F Settings Are Not Applicable Not applicable E 04 1 program 1 the unit will perform the automatic air purge operation for 108 minutes E 04 2 program 2 the unit will perform the automatic air purge operation for 4...

Страница 108: ...ESIE11 05 Remote Controller Functional Description 97 8 3 Weekly Schedual See Installation Operation Manual ...

Страница 109: ...Remote Controller ESIE11 05 98 Functional Description ...

Страница 110: ... 112 4 4 AE 114 4 5 AJ 115 4 6 C1 116 4 7 C4 117 4 8 C9 118 4 9 CA 119 4 10 CJ 120 4 11 E1 121 4 12 E3 122 4 13 E4 124 4 14 E5 126 4 15 E6 128 4 16 E7 129 4 17 E9 132 4 18 F3 134 4 19 F6 135 4 20 H7 136 4 21 H9 137 4 22 J2 138 4 23 J3 139 4 24 J5 140 4 25 J6 141 4 26 J7 142 4 27 J9 143 4 28 JA 144 4 29 JC 145 4 30 L4 146 4 31 L5 148 4 32 L8 150 4 33 L9 152 4 34 LC 154 4 35 P1 157 4 36 P4 158 4 37 ...

Страница 111: ... 40 U2 163 4 41 U3 166 4 42 U4 167 4 43 U5 168 4 44 U8 169 4 45 UA 170 4 46 UF 171 4 47 UH 172 4 48 CHECK 1 173 4 49 CHECK 2 174 4 50 CHECK 3 175 4 51 CHECK 4 176 4 52 CHECK 5 177 4 53 CHECK 6 178 4 54 CHECK 14 179 4 55 CHECK 15 180 ...

Страница 112: ... Check if the unit is not installed in a too hot location 43 C The water volume in the installation is too low Make sure that the water volume in the installation is above the minimum required value The water flow is too low Check that all shut off valves of the water circuit are completely open Check if the water filter needs cleaning Make sure there is no air in the system purge air Make sure th...

Страница 113: ...upply The reason is that the system is checking to be sure the remote control is normal Normal operation This code is displayed for a period of approximately one minute at maximum 8 The outdoor gets hot While stopping operation The reason is that the compressor is warmed up to provide smooth startup of the system Normal operation 9 The water pressure relief valve opens The expansion vessel is brok...

Страница 114: ... The outdoor unit compressor or the outdoor unit fan does not stop After stopping operation It stops in order to prevent oil or refrigerant from dwelling Normal operation It stops after a lapse of approximately 5 to 10 minutes Symptom Supposed Cause Countermeasure ...

Страница 115: ...ectronic expansion valve coil Y1E Y2E 132 F3 l Outdoor unit abnormal discharge pipe temperature 134 F6 l Unit refrigerant overcharged 135 H7 l Detection of abnormal signal from fan motor 136 H9 l Outdoor unit malfunction of thermistor R1T for outdoor air 137 J2 l Outdoor unit current malfunction 138 J3 l Outdoor unit malfunction of discharge pipe thermistor R3T R31T R33T 139 J5 l Outdoor unit malf...

Страница 116: ... remote controller U7 l Malfunction of transmission between outdoor units U8 l Hydrobox malfunction of transmission between main remote controller and sub remote controllers 169 U9 l Malfunction of transmission between hydrobox and outdoor units in the same system UA l Improper combination of hydrobox and outdoor unit and remote controller 170 UC k Address duplication of centralized controller UE ...

Страница 117: ...or Abnormal position signal of DC fan 1 motor H7 Abnormal position signal of DC fan 2 motor Faulty sensor of outdoor air temperature Faulty Ta sensor short H9 Faulty Ta sensor open Abnormal discharge pipe temperature Abnormal Td F3 Abnormal heat exchanger temperature Refrigerant overcharge F6 Faulty current sensor Faulty CT1 sensor J2 Faulty CT2 sensor Faulty sensor of discharge pipe temperature F...

Страница 118: ... h l l l h h h h l h h 1 F6 l h l l h l h h h h l h h l l J2 l h l l h l h h l h l h h h h l h h 1 l h h h h l h l J3 l h h l l l h h h h l h h l h h h h l h l l h h h h l l h l h h h l l h h l h h h l l h l l h h h l l l h J5 l h l h l l h h h h l h h l h h h l l h h l h h h h l h l l h h h l l h l J6 l h l l h l h h h h l h h l h h h l l h h J7 l h l l l l h h h h l h h l h h h l l h h J9 l l h ...

Страница 119: ...of inverter PJ Incorrect combination of fan driver 1 Incorrect combination of fan driver 2 Gas shortage Gas shortage alarm U0 Reverse phase Reverse phase error U1 Abnormal power supply voltage Insufficient Inverter voltage U2 Inverter open phase phase T Charging error of capacitor in inverter main circuit Transmission error between hydrobox and outdoor unit I O transmission error U4 I O transmissi...

Страница 120: ... h l h h h h l h l U3 l h h l l l h h h h l h h l l l h h h h l h l l l U4 l h l h h l h h h h l h h l l l h h h h l h l l l U7 l h l l l l h h h h l h l l l U7 l h h h h l h h l l l h h h h l l h l l l h h h h l l l l l l h h h l l h h l l l h h h l l h l l l l h h h l l l h l l l h h h l l l l l l U9 l l h h l l h h h h l h h l l UA l l h l h l h h h h l h h l l l h h h h l h l l l l h h h h l l...

Страница 121: ...Error Codes ESIE11 05 110 Troubleshooting 4 Error Codes 4 1 A1 Troubleshooting ...

Страница 122: ...unit A field installed air purges LWT or RWT is below 5 C and you want to heat up The unit is not working in his envelope Flow switch works properly NO NO Replace flowswitch Does the unit do a decent defrost large ice build up on the coil NO The LWT temperature while in defrost gets too low Check if there is enough load on the circuit the unit never runs 25 min in heating Check refrigerant charge ...

Страница 123: ...Error Codes ESIE11 05 112 Troubleshooting 4 3 A9 ...

Страница 124: ...ESIE11 05 Error Codes Troubleshooting 113 Troubleshooting hydrobox PC ...

Страница 125: ...Error Codes ESIE11 05 114 Troubleshooting 4 4 AE Troubleshooting Warning code the unit doesn t stop ...

Страница 126: ...ESIE11 05 Error Codes Troubleshooting 115 4 5 AJ Troubleshooting ...

Страница 127: ...or once and check it is absolutely connected Is the connector between hydrobox PC board A1P X30A 3 4 and outdoor unit X1M F1 F2 connected 1 transmission on hydrobox PC Check power supply from hydrobox A1P and A3P X70A X15A 1 2 A3P Is it okay X30A Replace A3P PCB Replace hydrobox PC board A1P or A5P ...

Страница 128: ...ESIE11 05 Error Codes Troubleshooting 117 4 7 C4 Troubleshooting R13T R23T from the hydrobox PC board of the hydrobox PC board A5P R13T or R23T Replace the hydrobox PC board A1P or A5P ...

Страница 129: ...Error Codes ESIE11 05 118 Troubleshooting 4 8 C9 Troubleshooting R12T or R22T Replace the indoor unit PC board A1P or A5P the hydrobox PC board X12A R12T or R22T from the hydrobox PC board ...

Страница 130: ...ESIE11 05 Error Codes Troubleshooting 119 4 9 CA Troubleshooting Replace the indoor unit PC board A1P or A5P the hydrobox PC board X17A from the hydrobox PC board ...

Страница 131: ...Error Codes ESIE11 05 120 Troubleshooting 4 10 CJ Troubleshooting A1P or A5P ...

Страница 132: ...ESIE11 05 Error Codes Troubleshooting 121 4 11 E1 Troubleshooting ...

Страница 133: ...Error Codes ESIE11 05 122 Troubleshooting 4 12 E3 When pressure is below 4 0Mpa press BS3 and do a power restore or turn remote controller on and off ...

Страница 134: ...ESIE11 05 Error Codes Troubleshooting 123 Troubleshooting ...

Страница 135: ...Error Codes ESIE11 05 124 Troubleshooting 4 13 E4 ...

Страница 136: ...ESIE11 05 Error Codes Troubleshooting 125 Troubleshooting and then restart the operation ...

Страница 137: ...Error Codes ESIE11 05 126 Troubleshooting 4 14 E5 ...

Страница 138: ...ESIE11 05 Error Codes Troubleshooting 127 Troubleshooting ...

Страница 139: ...Error Codes ESIE11 05 128 Troubleshooting 4 15 E6 Troubleshooting ...

Страница 140: ...ESIE11 05 Error Codes Troubleshooting 129 4 16 E7 ...

Страница 141: ...Error Codes ESIE11 05 130 Troubleshooting Troubleshooting ...

Страница 142: ...ESIE11 05 Error Codes Troubleshooting 131 ...

Страница 143: ...Error Codes ESIE11 05 132 Troubleshooting 4 17 E9 ...

Страница 144: ...ESIE11 05 Error Codes Troubleshooting 133 Troubleshooting ...

Страница 145: ...Error Codes ESIE11 05 134 Troubleshooting 4 18 F3 Troubleshooting ...

Страница 146: ...ESIE11 05 Error Codes Troubleshooting 135 4 19 F6 Troubleshooting ...

Страница 147: ...Error Codes ESIE11 05 136 Troubleshooting 4 20 H7 Troubleshooting ...

Страница 148: ...ESIE11 05 Error Codes Troubleshooting 137 4 21 H9 Troubleshooting ...

Страница 149: ...Error Codes ESIE11 05 138 Troubleshooting 4 22 J2 Troubleshooting ...

Страница 150: ...ESIE11 05 Error Codes Troubleshooting 139 4 23 J3 Troubleshooting ...

Страница 151: ...Error Codes ESIE11 05 140 Troubleshooting 4 24 J5 Troubleshooting ...

Страница 152: ...ESIE11 05 Error Codes Troubleshooting 141 4 25 J6 Troubleshooting outdoor ...

Страница 153: ...Codes ESIE11 05 142 Troubleshooting 4 26 J7 Troubleshooting R14T or R24T R14T and R24T from outdoor unit PCB normal 1 8kΩ to 800kΩ Is the connector for gas thermistor X16A 1 2 connected to A4P on the hydrobox ...

Страница 154: ...ESIE11 05 Error Codes Troubleshooting 143 4 27 J9 Troubleshooting ...

Страница 155: ...Error Codes ESIE11 05 144 Troubleshooting 4 28 JA Troubleshooting ...

Страница 156: ...ESIE11 05 Error Codes Troubleshooting 145 4 29 JC Troubleshooting ...

Страница 157: ...Error Codes ESIE11 05 146 Troubleshooting 4 30 L4 ...

Страница 158: ...ESIE11 05 Error Codes Troubleshooting 147 Troubleshooting ...

Страница 159: ...Error Codes ESIE11 05 148 Troubleshooting 4 31 L5 Troubleshooting ...

Страница 160: ...ESIE11 05 Error Codes Troubleshooting 149 ...

Страница 161: ...Error Codes ESIE11 05 150 Troubleshooting 4 32 L8 Troubleshooting ...

Страница 162: ...ESIE11 05 Error Codes Troubleshooting 151 ...

Страница 163: ...Error Codes ESIE11 05 152 Troubleshooting 4 33 L9 Troubleshooting ...

Страница 164: ...ESIE11 05 Error Codes Troubleshooting 153 ...

Страница 165: ...Error Codes ESIE11 05 154 Troubleshooting 4 34 LC ...

Страница 166: ...ESIE11 05 Error Codes Troubleshooting 155 Troubleshooting ...

Страница 167: ...Error Codes ESIE11 05 156 Troubleshooting ...

Страница 168: ...ESIE11 05 Error Codes Troubleshooting 157 4 35 P1 Troubleshooting ...

Страница 169: ...Error Codes ESIE11 05 158 Troubleshooting 4 36 P4 ...

Страница 170: ...ESIE11 05 Error Codes Troubleshooting 159 Troubleshooting ...

Страница 171: ...Error Codes ESIE11 05 160 Troubleshooting 4 37 PJ Troubleshooting ...

Страница 172: ...ESIE11 05 Error Codes Troubleshooting 161 4 38 U0 Troubleshooting ...

Страница 173: ...Error Codes ESIE11 05 162 Troubleshooting 4 39 U1 Troubleshooting ...

Страница 174: ...ESIE11 05 Error Codes Troubleshooting 163 4 40 U2 ...

Страница 175: ...Error Codes ESIE11 05 164 Troubleshooting Troubleshooting ...

Страница 176: ...ESIE11 05 Error Codes Troubleshooting 165 ...

Страница 177: ...Error Codes ESIE11 05 166 Troubleshooting 4 41 U3 Troubleshooting ...

Страница 178: ...g 167 4 42 U4 Troubleshooting Rectify Replace PCB A1P Is error U4 still showing Bad connection Communication problem was solved Check wiring of D3 net F1 F2 communicates Check A1P X30 3 4 outdoor unit Reset the power supply YES YES NO NO ...

Страница 179: ...Error Codes ESIE11 05 168 Troubleshooting 4 43 U5 Troubleshooting f ...

Страница 180: ...ESIE11 05 Error Codes Troubleshooting 169 4 44 U8 Troubleshooting ...

Страница 181: ...Error Codes ESIE11 05 170 Troubleshooting 4 45 UA Troubleshooting Normal Replace outdoor unit PCB Is the malfunction code UA displayed Replace the hydrobox PCB Reset power supply for the unit NO YES ...

Страница 182: ...ESIE11 05 Error Codes Troubleshooting 171 4 46 UF Troubleshooting hydrobox outdoor Replace the hydrobox PCB Is hydrobox ...

Страница 183: ...Error Codes ESIE11 05 172 Troubleshooting 4 47 UH Troubleshooting installation or after a hydrobox Replace the hydrobox PCB hydrobox outdoor and introduced to hydrobox for all hydrobox in ...

Страница 184: ...ESIE11 05 Error Codes Troubleshooting 173 4 48 CHECK 1 ...

Страница 185: ...Error Codes ESIE11 05 174 Troubleshooting 4 49 CHECK 2 ...

Страница 186: ... 05 Error Codes Troubleshooting 175 4 50 CHECK 3 Large resistance of piping Water blockage Stop valve is closed Check if the stop valve is open Check water filter Check water flow Check for air in the system ...

Страница 187: ...Error Codes ESIE11 05 176 Troubleshooting 4 51 CHECK 4 ...

Страница 188: ...ESIE11 05 Error Codes Troubleshooting 177 4 52 CHECK 5 ...

Страница 189: ...Error Codes ESIE11 05 178 Troubleshooting 4 53 CHECK 6 Faulty gas pipe thermistor of hydrobox unit Faulty hydrobox unit electronic expansion valve ...

Страница 190: ...ESIE11 05 Error Codes Troubleshooting 179 4 54 CHECK 14 ...

Страница 191: ...Error Codes ESIE11 05 180 Troubleshooting 4 55 CHECK 15 ...

Страница 192: ... 050BA Module 183 1 3 EW Q032BA 064BA Module 184 2 Thermistor Resistance Temperature Characteristics 185 3 Pressure Sensor 187 4 Method of Checking the Inverter s Power Transistors and Diode Modules 188 5 Options 190 5 1 EKRP1AHT 190 5 2 DTA104A62 193 6 Procedure for Software Upload Hydrobox 198 6 1 What Do You Need 198 6 2 Software Upload Procedure 199 ...

Страница 193: ...lve coil Main Y1E Fully closed 0pls Fully open 480pls Electronic expansion valve coil Subcooling Y2E Fully closed 0pls Fully open 480pls Pressure protection Highpressure switch For M1C S1PH OFF 4 0 MPa ON 3 0 0 15MPa For M2C S2PH For M3C S3PH Low pressure sensor S1NPL OFF 0 07MPa Temperature protection Discharge gas temperature protection Discharge pipe thermistor R3T OFF 135 C Inverter fin temper...

Страница 194: ...in Y1E Fully closed 0pls Fully open 480pls Electronic expansion valve coil Subcool Y2E Fully closed 0pls Fully open 480pls Pressure protection Highpressure switch For M1C S1PH OFF 4 0 MPa ON 3 0 0 15MPa For M2C S2PH OFF 4 0 MPa ON 3 0 0 15MPa For M3C S3PH Low pressure sensor S1NPL OFF 0 07MPa Temperature protection Discharge gas temperature protection Discharge pipe thermistor R3T OFF 135 C Invert...

Страница 195: ...ed 0pls Fully open 480pls Electronic expansion valve coil Subcool Y2E Fully closed 0pls Fully open 480pls Pressure protection Highpressure switch For M1C S1PH OFF 4 0 MPa ON 3 0 0 15MPa For M2C S2PH OFF 4 0 MPa ON 3 0 0 15MPa For M3C S3PH OFF 4 0 MPa ON 3 0 0 15MPa Low pressure sensor S1NPL OFF 0 07MPa Temperature protection Discharge gas temperature protection Discharge pipe thermistor R3T OFF 13...

Страница 196: ... 25 13 132 28 128 63 37 12 01 11 76 12 125 09 121 66 38 11 52 11 29 11 118 34 115 12 39 11 06 10 84 10 111 99 108 96 40 10 63 10 41 9 106 03 103 18 41 10 21 10 00 8 100 41 97 73 42 9 81 9 61 7 95 14 92 61 43 9 42 9 24 6 90 17 87 79 44 9 06 8 88 5 85 49 83 25 45 8 71 8 54 4 81 08 78 97 46 8 37 8 21 3 76 93 74 94 47 8 05 7 90 2 73 01 71 14 48 7 75 7 60 1 69 32 67 56 49 7 46 7 31 0 65 84 64 17 50 7 1...

Страница 197: ...238 36 233 14 71 33 92 33 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 26 191 53 187 44 76 28 64 28 16 126 6 33 6 25 27 183 46 179 57 77 27 69 27 24 127 6 16 6 08 28 175 77 172 06 78 26 79 26 35 128 6 00 5 92 29 168 44 164 90 79 25 91 25 49 129...

Страница 198: ...edure 187 3 Pressure Sensor High Pressure PH Low Pressure PL VH Output Voltage High Side VDC VL Output Voltage Low Side VDC PH 1 38VH 0 69 PL 0 57VL 0 28 PH High pressure MPa PL Low pressure MPa Output Voltage VH VL Detected Pressure V3053 ...

Страница 199: ...nts Turn OFF the power supply Then after a lapse of 10 minutes or more make measurement of resistance Preparation To make measurement disconnect all connectors and terminals Inverter PCB Electronic circuit According to the checking aforementioned it is probed that the malfunction results from the faulty inverter The following section describes supposed causes of the faulty inverter Faulty compress...

Страница 200: ...3 W 10 U N3 2 to 15k 10 U N3 Not less than 1 2V including It may take time to determine the voltage due to capacitor charge or else 11 V N3 11 V N3 12 W N3 12 W N3 When using the analog type of multiple tester make measurement in resistance measurement mode in the x1k range When using the digital type of multiple tester make measurement in diode check mode No Measuring point Criterion Remark No Me...

Страница 201: ...ield settings needed Thermostat ON OFF field settings needed The PCB is placed in the hydrobox The switch box connects X80A A4P or A6P with X85A A1P or A5P Quantity 1 PCB is needed for EW Q016BA 032BA 2 PCBs are needed for EW Q040BA 064BA Connection 1 5 depending on field setting 2 5 depending on field setting 3 5 operation ON 4 5 operation OFF ...

Страница 202: ...g 1 heating 0 5 1 3 Explanation Thermostat ON OFF The unit still cycles water but can not start to cool heat Example The unit is running and a thermo OFF command is given The unit stops with a pump down It will not restart the compressors until a thermo ON command is given and there is load Also the output signal of the unit shows the unit active Cooling heating The unit will switch between coolin...

Страница 203: ...Options ESIE11 05 192 Service Procedure 5 1 4 Summary Inputs EKRP1AHT Outputs X2M ...

Страница 204: ...el 4 Install the external control adaptor inside the switch box of the unit according to the figure below and following steps 1 Mount the 4 PCB supports into the switch box 2 Mount the external control adaptor on top of the PCB supports 3 Connect the power supply connector to X37A on the PCB outdoor module 4 Bundle the redundant length portion of the wire with a clamp When installed as shown in th...

Страница 205: ...limits are exceeded Total wiring length Maximum 1000 m Number of branches Maximum 16 4 If carrying out demand or low noise input connect the adaptor terminals as shown in the figure below 1 Outside wiring 2 Host computer monitor panel or demand controller DEMAND Demand LOW NOISE Low noise Demand input terminal Short circuit between DEMAND 1 and C As a guideline demand should be about 70 Short circ...

Страница 206: ...Microcomputer normal monitor HAP GRN This lamp is blinking when the microcomputer is operating normally 5 Address setting DIP switches DS1 DS2 Setting the demand address 6 Demand low noise input terminal block X1M Connects control input from electrical appendices host computer monitor panel demand controller timer etc 7 Terminal block for transmission F1 F2 Refer to the wiring diagram For details ...

Страница 207: ...ous settings for unified switching of demand and low noise operation are as follows Field setting start Field setting complete Divide the outdoor modules for demand control and low noise control into units to be switched together hereinafter refered to as demand control group An adaptor is required for each demand control group Set the 5 bit demand address of the adaptor and outdoor modules Set th...

Страница 208: ... To set the 5 bit cool heataddress by DS1 and DS2 Designate and set cool heat addresses 0 to 31 for each mode switch unit To set the outdoor modules demand address to number 7 example see To set the outdoor modules demand address to number 7 ...

Страница 209: ...e Upload Hydrobox 6 1 What Do You Need This instruction Altherma programming cable with write extension part nr 999480P or 999482P Blue extension cable part nr 999485P drawing nr 4PW50601 1 Following files flashsta exe programming software and e g YP0045V003 mot software file Laptop field supply ...

Страница 210: ...Y ERASED BEFORE REPROGRAMMING OF THE NEW SOFTWARE IF DURING THE PROGRAMMING OF THE SOFTWARE SOME PROBLEM WOULD OCCUR PLEASE RESTART THE PROCEDURE FROM STEP 1 Step 1 Shut down the main circuit breaker of the unit It is very important that there is no power supplied to the hydrobox unit Step 2 Open the front plate of the unit to have access to the switch box Step 3 Install the first end of the progr...

Страница 211: ...er supply to the hydrobox unit by switching ON the main circuit breaker Step 7 Programming of software can now start Browse to the executable FlashSta exe and double click on the file FlashSta exe Step 8 Programming of software 1 Internal flash memory 2 Select correct port 3 Click on OK After clicking on OK following window appears ID Check This is the window that refers to the software file ...

Страница 212: ...d file click on Refer 2 Browser menu is opened Browse to the file YP0045V003 mot and click on Open 3 The window ID check will be opened In each field please control 2 zero s are filled in 4 Control that the MCU Type is set to M16C 20 62 5 Click on OK The window M16C Flash Start will be opened ...

Страница 213: ...Service Procedure 1 Click on Setting The window Set baudrate will be opened 1 Baud rate bps Select 57600 2 Program_intervals ms Select 40 3 Click on OK After clicking on OK the window M16C Flash Start will be opened again Now software needs to be uploaded ...

Страница 214: ...gram will request if previous software may be erased ERASE Click on OK Following steps will happen automatically Please wait till the program has ended to erase the old software and reprogramming the new one This can take up till 20 min Please be patient You will be able to check the progress on the windows as shown below ...

Страница 215: ...he check is finished a window M16C Flash Start will appear 1 Click on OK After clicking on OK the window M16C Flash start appears again 1 Click on Exit to finish the programming The unit has now been reprogrammed Step 9 Shut down the power supply again with the main circuit breaker of the unit to avoid error on hydrobox Step 10 Open the front plate of the hydrobox unit Step 11 Disconnect the progr...

Страница 216: ...ce Procedure 205 Step 12 Add sticker local supply with new software version on the hydrobox PCB as indicated below OLD SOFTWARE EB08014 B NEW SOFTWARE EB08014 C Step 13 Close the hydrobox unit Step 14 Reconnect the power supply and start up the unit again ...

Страница 217: ...Procedure for Software Upload Hydrobox ESIE11 05 206 Service Procedure ...

Страница 218: ...ESIE11 05 Commissioning and Test Run 207 Part 5 Commissioning and Test Run 1 Test Run 208 1 1 Installation Process 208 1 2 Procedure and Outline 209 1 3 Operation when Power is Turned On 212 ...

Страница 219: ...low figure shows the installation process Install in the order of the steps shown Selection of Location Inspecting and Handling the Unit Placing the Unit Field Wiring Pipe Insulation Checking of Device and Installation Conditions Test Run Operations which require the power to be turned on ...

Страница 220: ... the main power supply circuit deteriorated Use a 500V megger tester to measure the insulation 1 Do not use a megger tester for other circuits than 200V or 240V circuit 1 Measure to be taken against decreased insulation resistance in the compressor If the compressor is left to stand for an extended period of time after the refrigerant charge with the stop valve open and the power supply OFF the re...

Страница 221: ...field settings with the master unit Field settings made with the slave unit will be all invalid The check operation shown below will be automatically initiated Check for erroneous wirings Turn outdoor unit and indoor unit power on Check the LED display of the outdoor unit PCB Conduct check operations Check for normal operation Make field settings with outdoor unit PCB LED display Default status be...

Страница 222: ...s operation must be performed with the power on 1 2 4 Test Run Before test run Make sure the following works are completed in accordance with the installation manual Piping work Wiring work Test run After check operation is completed operate the unit normally and check the following 1 Make sure the unit is operating normally 2 Check to see if cold or hot water is coming out from the hydrobox 3 Clo...

Страница 223: ...00 volt power supply is applied to N phase by mistake replace Inverter PCB A2P and control transformer T1R T2R in switch box together Outdoor unit Test lamp H2P Blinks Can also be set during operation described above Hydrobox If ON button is pushed during operation described above the UH malfunction indicator blinks Returns to normal when automatic setting is complete Outdoor unit Test lamp H2P ON...

Страница 224: ...ESIE11 05 Maintenance 213 Part 6 Maintenance 1 Maintenance of the Main Parts 215 ...

Страница 225: ...ontamination Avoid high gas concentrations While the heavy concentration of the refrigerant gas will remain on the floor level good ventilation is a must Avoid all contact with open fires or hot surfaces By high temperatures the refrigerant gas R410A may decompose into irritating and poisonous gas Avoid skin and hand contact with the liquid refrigerant and protect your eyes against liquid splashes...

Страница 226: ...ge Check pressure drop and water flow Record temperature difference between water in out temperature Inspect evaporator insulation If damaged repair Inspect water and refrigerant connections If the evaporator heater tape is installed check operation by direct power connection and hand touch Brush cleaning Abnormal high condensing pressures are an indication for periodic cleaning Unit switch box Fo...

Страница 227: ...ctional Parts 182 EW Q016BA 182 EW Q021BA 025BA 040BA Module 050BA Module 183 EW Q032BA 064BA Module 184 M Maintenance of the Main Parts 215 Malfunction Code Indication by Outdoor Unit PCB 106 Monitor Mode 75 P Pressure Drop 22 Procedure and Outline 209 R Refrigerant Circuit 3 EWYQ016BA 3 EWYQ021BA 025BA 040BA Module 050BA Module 5 EWYQ032BA 064BA Module 7 Refrigerant Flow for Each Operation Mode ...

Страница 228: ...ESIE11 05 Index ii Field Wiring 38 Hydrobox Wiring 25 Wiring Diagram Three Phase 3N 28 Wiring Outdoor 29 ...

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