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Toshiba ESTIA HWS-1501CSHM3-E, Service Manual

The Toshiba ESTIA HWS-1501CSHM3-E is a high-performance home air conditioning system that guarantees optimal comfort all year round. To ensure its efficient operation, we highly recommend referring to the Quick Reference manual. Easily download this essential resource for free from our website, manualshive.com, and get the most out of your Toshiba ESTIA experience.

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108

[L09] Error

[L16] Error

In DP_SW12-2, 3 of main unit water heat exchanger, if ZONE1 is not set and ZONE2 is set, [L16] displays 
abnormality.
Set correctly DP_SW12-2, 3.

No

Set indoor unit capacity data

Setting item code (FC_01)
8 kW = 12
14 kW = 17

Water heat exchange control 
board (MCC-1511) Check   
If defective, replace it

Yes

Hydro unit capacity 

is not set

Summary of Contents for ESTIA HWS-1501CSHM3-E

Page 1: ...WS 1403H8R E HWS 1603H8 E HWS 1603H8R E AIR TO WATER HEAT PUMP Hydro Unit HWS 803XWHM3 E TR HWS 803XWHT6 E TR HWS 803XWHD6 E HWS 803XWHT9 E HWS 1403XWHM3 E TR HWS 1403XWHT6 E TR HWS 1403XWHD6 E HWS 1403XWHT9 E TR Hot Water Cylinder HWS 1501CSHM3 E UK HWS 2101CSHM3 E UK HWS 3001CSHM3 E UK SERVICE MANUAL A10 006 ...

Page 2: ...oor unit 19 4 3 Hot water cylinder 21 5 Wiring Diagram 22 5 1 Hydro Unit 22 5 2 Outdoor Unit Single phase Type 23 5 3 Outdoor Unit 3 phase type 24 5 4 Hot Water Cylinder Unit 25 6 Key Electric Component Rating 26 6 1 Hydro Unit 26 6 2 Outdoor Unit 28 6 3 Hot Water Cylinder Unit 31 6 4 Water Heat Exchange Control Board 32 6 5 Outdoor Control Board Single phase Type 33 6 6 Outdoor Unit Control 3 pha...

Page 3: ...heck code on the remote control 83 9 3 3 How to cancel a check code on the remote controller 83 9 3 4 How to diagnose by error code 84 9 4 Diagnosis flow chart for each error code 91 9 4 1 Hydro unit failure detection 91 9 4 2 Outdoor Unit Failure Detection 109 9 4 3 Temperature sensor temperature resistance characteristic table 122 9 5 Operation check by PC board switch 123 9 5 1 Operation check ...

Page 4: ...and warning Specific cautions are described in picture or text inside or near the symbol DANGER Turn off the power breaker Turn off the power breaker before removing the front panel and cabinet Failure to do so may cause a high voltage electric shock leading to death or injury During an operation the second side circuit of high pressure transmission are appli ed with a high voltage of 230V or high...

Page 5: ...10A Also never use R410A for Air to Water Heat Pump using other refrigerant such as R22 A mixture of R410A with different ones excessively raises t he pressure in the refrigerant cycle leading to an injury due to burst Do not make additional charge of the refrigerant An additional charge when refrigerant gas leaks changes t he refrigerant composition in the refrigerant cycle causing the characteri...

Page 6: ... is harmless if it catches fire of a fan heater a space heater or a stove poisonous gases may be produced When installing the unit or re installing it after relocation follow the installation guide for proper operation A defective installation may cause a refrigerant cycle defective a water leak an electric shock or a fire Check after repair After a repair is completed check for any abnormality Fa...

Page 7: ...of the conventional R22 to prevent incorrect filling Ventilate if refrigerant ga s leaks during service work Should refrigerant gas catch fire poisonous gases may be produced A closed room full of leaking refrigerant results in the absence of oxygen it is dangerous Make sure to ventilate When the refrigerant cycle is refilledwith refrigerant do not mix air or refrigerants other than the specified ...

Page 8: ...hickness of copper pipe used for R410A Never use commercially available thin walled copper pipe of 0 8 mm thick or less Table 2 1 Wall thickness of copper pipe Joints For the joint of copper pipe flared joint and socket joint are used Remove impurities from a joint before using it Flared joint A flared joint cannot be used for the copper pipe whose outer diameter is 20 mm or larger A socket joint ...

Page 9: ...clasps and copper pipe are clean Flare correctly using the clasp Use a flare tool for R410A or the conventional one Flare processing dimension varies depending on the flare tool type When using the conventional flare tool use a gauge for size adjustment to secure the A dimension Table 2 2 3 Flare processing related dimension for R410A Table 2 2 4 Dimension of flare for R410A and flare nut Figure 2...

Page 10: ... may occur If it is too strong the flare nut may crack and may be made non removable When choosing the tightening toque comply with values designated by products Table 2 2 5 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the product Using any other oil deteriorates the lubricating oil possibly causing the compressor to burn out Table 2 2 5 Tight...

Page 11: ... General tools Conventional tools are available In addition to the above dedicated tools the following equipment also available for R22 is necessary as the general tools Also prepare the following equipment for other work methods or run check No Tool to be used Usage R410A Air to Water Hear Pump installation Conventionalrefrigerant Air to Water Heat Pump installation For R410A Existenceofnew equip...

Page 12: ...over the refrigerant and check that no refrigerant remains in the refrigerant cycle Connect the charge hose to packed valve service port on the outdoor unit s gas side Connect the charge hose to the vacuum pump adapter Open fully both packed valves on the liquid and gas sides Open fully the handle of gauge manifold Lo turn on the vacuum pump and then perform vacuum evacuating When the compound gau...

Page 13: ... upside down NOTE Because R410A is HFC mixed refrig erant charging with gas changes the charged refrigerant composition causing the equipment characteristics to change Cylinder with siphon Cylinder without siphon Gauge manifold Outdoor unit Refrigerant cylinder Electronic balance Gauge manifold Outdoor unit Refrigerant cylinder Electronic balance Siphon pipe ...

Page 14: ...te type of flux according to metal treatment type brazing metal and brazing method or other conditions Type of flux Non corrosive flux It is generally a compound of borax and boric acid It is effective when brazing temperature is higher than 800 C Active solvent Most of this type of flux is generally used for silver brazing It features the increase of oxide film while moving the capability to the ...

Page 15: ...keep the nitrogen gas flowing until the pipe cools down to a certain extent Temperature where the pipe is cool enough to be touched by hands 7 Remove the flux completely after brazing Fig 2 5 1 Prevention of oxidation during brazing M Flow meter Stop valve From nitrogen cylinder Nitrogen gas Robber plug Pipe Nitrogen gas cylinder ...

Page 16: ...door unit Current A 7 64 8 90 Power kW 1 719 2 033 Power factor 97 8 99 3 Total Starting current A 8 62 9 36 Operating noise 1 2 4 Hydro unit dB A 29 29 Outdoor unit dB A 49 49 Coefficient of performance 1 2 4 40 2 82 Hydro unit Outer dimension Height mm 925 Width mm 525 Depth mm 355 Net weight kg 50 Color Silky shade Munsell 1Y8 5 0 5 Remote controller Outer dimension 3 Height mm 120 Width mm 120...

Page 17: ...Current A 9 94 14 88 13 37 17 47 Power kW 2 215 3 39 2 965 3 945 Power factor 96 9 99 1 96 4 98 1 Total Starting current A 10 57 15 49 14 04 18 10 Operating noise 1 2 4 Hydro unit dB A 29 29 29 29 Outdoor unit dB A 49 49 51 51 Coefficient of performance 1 2 4 77 2 84 4 50 2 70 Hydro unit Outer dimension Height mm 925 Width mm 525 Depth mm 355 Net weight kg 54 Color Silky shade Munsell 1Y8 5 0 5 Re...

Page 18: ...or unit Current A 4 03 5 65 5 23 6 50 5 95 7 50 Power kW 2 255 3 39 3 065 3 945 3 570 4 660 Power factor 81 1 87 0 84 9 88 0 87 0 90 0 Total Starting current A 4 66 6 26 6 06 7 13 4 26 8 16 Operating noise 1 2 4 Hydro unit dB A 29 29 29 29 29 29 Outdoor unit dB A 49 50 51 51 52 52 Coefficient of performance 1 2 4 69 2 84 4 36 2 70 4 30 2 71 Hydro unit Outer dimension Height mm 925 Width mm 525 Dep...

Page 19: ...20 72 5 72 5 2 dia 12x17 long hole for dia 8 10 anchor bolt 2 dia 12x17 U shape hole for dia 8 10 anchor bolt A leg part Remote controler 135 5 158 186 5 59 5 144 5 116 19 5 352 37 5 925 54 Hot water outlet connecting pipe 1 1 4 Water inlet connecting pipe 1 1 4 Gas line dia 15 88 Liquid line dia 9 52 309 5 259 Drain nipple 371 5 355 40 5 40 5 9 Anchor bolt long hole pitch Manometer 525 19 5 ...

Page 20: ...gerant piping outlet Indoor and outdoor connecting line outlet Power source intake hole 38 knockout hole 9 5 flare Refrigerant liquid connection Refrigerant gas connection 15 9 flare Optional mounting hole 12 3 embossed Knockout for lower part of piping Z arrow view 17 5 150 600 550 52 383 365 74 128 118 17 5 60 200 380 75 46 48 54 34 170 40 96 30 39 40 320 12 890 55 94 24 55 95 95 64 18 80 151 40...

Page 21: ...hole Name 65 83 Knockout for lower part of piping Z arrow view Z Refrigerant gas connection Refrigerant liquid connection 1 2 1 2 95 55 12 64 1 1340 320 30 55 95 94 18 80 151 400 24 55 95 18 80 135 155 613 605 900 70 581 74 581 178 178 178 518 52 550 360 655 327 Optional mounting hole 24 3 embossed 60 68 534 121 534 85 7 7 Drain hole 25 burring hole 5 Drain hole 20 88 burring hole Air inlet 12 17 ...

Page 22: ...ot water cylinder 550 595 2066 6 2040 550 595 1114 1090 595 1497 6 1474 550 Specification for UK only Specification for UK only Specification for UK only HWS 3001CSHM3 E UK HWS 2101CSHM3 E UK HWS 1501CSHM3 E UK ...

Page 23: ...A A B 7B 7A Type 1 3 wire SPDT type Type 1 2 wire spring return Type 2 3 wire SPST type Type 2 3 wire SPST type Type 3 3 wire SPDT type 2 4 3 2 3 4 2 4 3 2 1 3 4 See DIP SW13_1 Power supply 220 230V 50Hz or 380 400V 50Hz 1 The one dot chain line indicates wiring at the local site and the dashed line indicates accessories sold separately and service wires respectively 2 and indicates the terminal b...

Page 24: ...nal input Symbol Item name Compressor Fan motor Pulse motor valve coil Discharge temperature sonsor Suction temperature sensor Heat exchange sensor 1 Heat exchange sensor 2 Outdoor temperature sensor Linetilter 4 way valve coil Compressor case thermostat Fuse 25 A 250 VAC Fuse 10A 250 VAC 1 indicates a terminal plate The number inside indicates the terminal number 2 The double dashed line indicate...

Page 25: ... MCC 1597 Hydro unit indicates the teminal block Alphanumeric characters in the cycle indicate terminal No The two dot chain line indicates the wiring procured locally indicates the P C board For the hydro unit circuit refer to the wiring diagram of the indoor unit 1103H8R E 1403H8R E 1603H8R E only ...

Page 26: ...r Cylinder Unit 1 2 TB03 230V A B TB06 TTW Supply 220 230 V from hydro unit Cable size 1 5 mm2 minimum To hydro unit Green Yellow Blue Double pole thermal cut out Blue Brown Brown TTW sensor Hot water cylinder heater ...

Page 27: ... O Operating pressure 4 15 MPa 0 0 3 MPa 10 Low pressure sensor O O O O Operating pressure 0 20 MPa 11 Bimetal thermostat auto O O O O Operating temperature 75 3 C DC42 V 0 2 A 12 Bimetal thermostat single operation O O O O Operating temperature 95 5 C AC250 V 16 A 13 Flow switch O O O O Operating flowing quantity 13 min 14 Output board OP OP OP OP OP TCB PCIN3E AC230 V 0 5 A DC24 V 1 A 15 Input b...

Page 28: ...5 MPa 0 0 3 MPa 10 Low pressure sensor O O O O Operating pressure 0 20 MPa 11 Thermal protector auto O O O O Operating temperature 75 3 C DC42 V 0 2 A 12 Thermal protector single operation O O O O Operating temperature 95 5 C AC250 V 16 A 13 Flow switch O O O O Operating flowing quantity 17 5 L min 14 Output board OP OP OP OP OP TCB PCIN3E AC230 V 0 5 A DC24 V 1 A 15 Input board OP OP OP OP OP TCB...

Page 29: ... 280 A60 1 Output 60 W 3 4 way valve coil VHV 01AP552B1 AC220 230 full wave rectifier input alive time 10 sec or less 4 Pulse motor valve PMV coil CAM MD12TF 15 DC12 V 5 Compressor case thermostat US 622KXTMQO SS OFF 125 4 C ON 90 5 C 6 Reactor CH 56 5 8 mH 18 5 A 7 PC board MCC 1571 Input 1Ø AC220 230 V 10 50 60 Hz ...

Page 30: ...00 W 3 Reactor x2 CH 44 1 4 mH 25 A 4 4 way valve coil AC220 230 V full wave rectifier input alive time 10 sec or less 5 Pulse motor valve PMV coil UKV A038 DC12 V 6 Board MCC 1560 Input 3Ø AC230 V 23 V 50 60 Hz 7 Compressor case thermostat US 622KXTMQO SS OFF 125 4 C ON 90 5 C 8 PC board MCC 1571 Input 1Ø AC220 230 V 10 50 60 Hz ...

Page 31: ...CH 68 18 mH 5 A 5 4 way valve coil STF 01A5502E1 AC220 230 V 6 Pulse motor valve PMV coil UKV A038 DC12 V 7 PC board Compressor MCC 1596 8 PC board Fan motor drive MCC 1597 9 PC board Control MCC 1599 10 PC board Noise filter MCC 1600 11 High pressure switch ACB 4UB83W OFF 4 15 0 0 3 Mpa 12 Compressor case thermostat US 622 OFF 125 4 C ON 90 5 C 13 Relay EL200 240 A2 F Contact AC480V 20 A ...

Page 32: ...el name Type name Rating 1501 CSH M3 E UK 2101 CSH M3 E UK 3001 CSH M3 E UK 1 Hot water cylinder heater O O O AC230 V 2 75 KW 2 Hot water cylinder temperature sensor TTW sensor O O O 10 kΩ 25 C 3 Thermal cut out O O O Operating temperature Manual reset 82 C 3k 2k ...

Page 33: ... connector CN102 Flow switch connector CN200 Pressure switch connector CN201 Overheat protection thermostat input connector CN202 TWO sensor connector CN205 TWI sensor connector CN204 THO sensor connector CN206 TTW sensor connector CN214 Low pressure sensor connector CN207 CN212 Remote control connector CN41 TC sensor connector CN203 TFI sensor connector CN213 Backup heater 1 drive connector CN605...

Page 34: ...SW800 SW803 Temperature sensor connectors TL CN604 White TD CN603 White TO CN602 Yellow TE CN601 White TS CN600 White Alive error display LEDs D800 804 Yellow D805 Green PMV connector CN710 White Initialization switch SW802 Power circuit protection fuse F01 250V 25A Connecting cable connector CN04 White Connecting cable protection fuse F03 250 V 10 A Earth lead wire P09 Black Power supply connecti...

Page 35: ...CN710 White Initialization switch SW802 4 way valve protection fuse F700 250V 3 15A plastic case Power supply protection fuses F01 250V 25A Earth lead wire P09 Black Connecting cable connector CN04 White Connecting cable protection fuse F03 250V 10A Electrolytic capacitors Compressor output terminals CN202 CN201 CN200 Power supply connection lead wires P01 Red P02 White P03 Black Temperature senso...

Page 36: ...r MCC 1597 CN502 CN13 Black Terminal for power relay F02 Electric circuit protective fuse 500V 31 5A CN12 White Terminal for MCC 1600 CN17 F01 Electric circuit protective fuse 500V 31 5A CN11 Red Terminal for power relay CN04 Red Terminal for PTC thermistor CN19 Yellow CN20 Yellow Terminal for reactor CH78 CN211 Red CN212 White CN213 Black Compressor output terminal ...

Page 37: ... CN802 CN602 Black Connector for MCC 1600 CN51 F500 Electric circuit protective fuse 250V 15A P501 Black Lead wire for grounding CN505 Red Connector for MCC 1596 CN851 CN502 White Connector for MCC 1596 CN101 CN700 Blue Fan motor output Lower side CN500 Red Connector for MCC 1600 CN23 and reactor CH68 ...

Page 38: ...r CN02 Red Connector for MCC 1600 CN10 and CN19 CN802 White Connector for MCC 1597 CN504 CN708 Blue Connector for power relay coil CN608 White Connector for MCC 1600 CN50 Temp sensor connector CN603 White TD sensor CN602 Yellow TO sensor CN604 White TL sensor CN601 White TE sensor CN600 White TS sensor Specific operation switch SW801 SW804 SW805 SW806 Display select switch SW800 SW803 Initial sett...

Page 39: ... fuse 250V 6 3A CN07 Black Power supply terminal L3 F03 Varistor protective fuse 250V 6 3A CN20 White Power supply terminal L2 CN08 Gray Neutral terminal CN10 Red Terminal for MCC 1599 CN02 and Terminal for PTC thermistor CN16 Red Terminal for power relay CN17 White Terminal for MCC 1596 CN02 CN18 Black Terminal for power relay CN19 Gray Terminal for MCC 1599 CN02 CN09 Brown Terminal for grounding...

Page 40: ...t 3 5bar Boiler local Drain cock for water charge locally procured Cylinder heater Ø1 2 75kW Relief valve UK 90 C 10 bar Water outlet Water inlet Reducing valve UK 3 5bar Pressure relief Set value 7bar UK Water heat exchanger max 10bar Backup heater Ø1 3kW Ø3 6kW Ø3 9kW Flow sw Thermal protector auto set 75 3 C Thermal protector Single operation set 95 5 C Low pressure sensor Pressure switch 4 15M...

Page 41: ...uires17 5 min 803XWH 13 0 min or more This water flowing requires 5 or more branches of Floor heating or Radiator etc Less than 5 branches may cause a flow deficiency In this case please provide a buffer tank and secondary pumps as shown in 4 Please check how to install the boiler See page 52 1 2 3 4 5 6 ...

Page 42: ...h VH 8706 Plate type water heat exchanger 4 way valve STF 218G Pulse motor valve CAM B30YGTF 2 Outdoor heat exchanger Accumulator 1800 cc Compressor DA220A2F 22L Heating Hot water supply Defrosting Cooling Hydro unit P TE TO TS TD Outdoor unit 4 way valve STF 0401G Pulse motor valve UKV 25D100 Outdoor heat exchanger Accumulator 2500 cc Compressor DA422A3F 25M Heating Hot water supply Defrosting Co...

Page 43: ...00 Outdoor heat exchanger Accumulator 2500 cc Compressor DA422A3F 27M Heating Hot water supply Defrosting Cooling TWO THO TWI Hydro unit Expansion vessel Backup heater Manometer Water vent valve Safety valve Air vent valve Circulating pump UPS25 80 130 Flow switch VH 8705 Plate type water heat exchanger TC Low pressure sensor Pressure switch Pressure switch Muffler Ø25 x L210 Ø25 x L180 ...

Page 44: ...it Control 1 Capacity control compressor high temperature release low temperature release 2 Heater control 3 Circulation pump control 4 Control by the flow switch 5 Mixing Valve control 2 temperature heating control 6 Room temperature control 7 Room temperature control with the thermostat 8 Control of force stop and restart 9 Control of limit of heat pump operation 10 Output signal control 1 11 Ou...

Page 45: ...eating Temperature setting Hot water supply Temperature setting Cooling Temperature setting Auto Temp Anti Bacteria Frost protection Hot waterboost Water heat exchange Sub board Outdoor unit control Serial signals transmit and receive Outdoor unit contro Inverter frequency control Waveform synthesis function Calculation function Temperature calculation AD conversion function Rapid heating function...

Page 46: ... left while also controlling the circulation pump backup booster heater ON OFF water 2 way valve and water 3 way valve 4 The outdoor unit controls the compressor outdoor fan motor electric expansion valve and 4 way valve based on the operation signals transmitted by the hydro unit Item Operation flow and applicable data etc Operation description Hydro unit control HOT WATER button set to ON Circul...

Page 47: ... controlling the circulation pump water 2 way valve and water 3 way valve 4 The outdoor unit controls the compressor outdoor fan motor pulse motor valve and 4 way valve based on the operation signals transmitted by the hydro unit Item Operation flow and applicable data etc Operation description Hydro unit control ZONE1 2 button set to ON Circulation pump ON OFF control Water 3 way valve control Wa...

Page 48: ...t pump operation range of how water supply and heating Heat pump operation range of how water supply and heating Freeze determination is executed only once Heating thermostat OFF Heater for heating Cooling operation range Water temperature at inlet TWI TO 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 1...

Page 49: ...ure Related FC 3 When the outside temperature is 0 C or below the boil up temperature will be higher that setting temperature in hot water supply mode Item Operation flow and applicable data etc Operation mode Controlled object Cooling only Heating only Hot water supply only Heating and Hot water both operate Cooling and Hot water both operate Heat pump select for heating Heat pump select for hot ...

Page 50: ...operation selection 1 2 When TWI TSC_F d zone in the right figure is met the heat pump operation is selected Thermostat status OFF When TWI TSC_F e zone in the right figure is met the thermostat status OFF is selected 3 Operation stop condition When the following condition is met the heating operation stops The remote controller gives a stop instruction 1 When the outside temperature is 20 C or be...

Page 51: ...tion in the heating side g zone Operation with heating priority A heat pump operation is performed in the heating side and a cylinder heater operation in the hot water supply side Operation mode by zone 2 Note that after a heat pump operation for Hot water supply is selected in f zone when the operation moves to a heater operation for hot water and then 5 minutes has passed Hot water supply operat...

Page 52: ...supply side when TTW is less than 38 C The operation mode returns to normal when TTW become 45 C or more FC variable Related FC Item Operation flow and applicable data etc FC No Setting item Default Setting available range 07 Maximum HP operation time for hot water heater when hot water supply heating mode both operate 30 min 0 120min 22 Priority mode switch temperature 0 C 20 20 C Hot water suppl...

Page 53: ...unit s temperature setting The setting of FC_3E is effective during the HP Boiler operation Coordination setting of the boiler and heat pump whenFC_5B 0 the boiler and heat pump runs simultaneously Default when FC_5B 1 only the boiler runs however if the external air temperature becomes the boiler HP switching temperature or more within 60 minutes the heater may run instead for up to 60 minutes wh...

Page 54: ...ted FC Item Operation flow and applicable data etc E 10 I zone J zone Heat pump operation Heat pump boiler operation TO Diff 5K Boiler position DPSW02_1 FC62 Activate deactivate A02 error detection Temperature range in which the boiler signal is output Detected temperature of TWI TWO or THO 0 After 3 way valve heating side 0 TWI or TWO or THO 58 C 1 TWI or TWO or THO 58 C 0 Before 3 way valve 0 TW...

Page 55: ...ation after 60 minutes passed or reached 75 C The remote controller display during a hot water boost operation is the same as the set temperature display of a usual Hot water supply operation The usual set temperature change is used for changing t he set temperature during a hot water boost operation Change the BOOST set temperature with FC_09 if necessary Related FC Item Operation flow and applic...

Page 56: ...sthe hot water supply start condition TTW 38 C and forcibly performs a hot water operation During ANTI BACTERIA operation Forcible hot water operati on at 75 C the hot water set temperature display is not changed If it is changed from the remote controller the normal hot water set temperature will be changed Related FC Item Operation flow and applicable data etc ANTI BACTERIA button set to ON Anti...

Page 57: ...ancels the operation 2 Automatic stop of frost protection operation The operation period of frost protection can be set at FC 12 and 13 on the remote control Longest period available 20 days and 23 hours By entering the operation period day and hour at FC 12 and 13 on the remote control and pressing the Frost Protection button the operation period is set and the frost protection operation will aut...

Page 58: ...upply Heating Cooling Maximum fan tap 460 rpm 803H E 500 rpm 1103H E 1403H E 1103H8 R E 1403H8 R E 1603H8 R E The night time low noise operation is enabled disabled by changing the remote controller FC_09 How to set Refer to 11 Night time Low noise Setting on page 139 1 Press the TEMP and TEST button at the same time for 4 seconds or longer Shifted to the night time low noise setting mode The Code...

Page 59: ... Detects the number of compressor rotations Compares the Hz signal correction amount and the current operation Hz and changes the compressor output according to the difference The control details are the same for hot water supply heating and cooling Item Operation flow and applicable data etc Temperature settings TSC_H TSC_F Hz signal correction Number of compressor rotation detection Remote contr...

Page 60: ...sor restarts when 140 seconds has passed after the stop and TC 3 C is not detected for 20 minutes the abnormal stop counter is cleared 10 times of compressor abnormal stop stops the operation of heat pump and fault code A11 is displayed on the remote controller If the heat pump operation is switched to other operation the abnormality detection counter is reset to 0 TC TWO C Item Operation flow and...

Page 61: ...The backup heater control increases decreases or maintains the number of heaters every 10 minutes FC depending on the difference between the heating set temperature TSC_F and the heater outlet temperature THO When the heating set temperature TSC_F is reached the hydro stops energizing the backup heater The single phase model of 3 kW has the backup heater 1 only The three phase model of 6 kW has he...

Page 62: ...vent freeze the unit energizes or stops energizing a backup heater 3 kW regardless of the unit status not operated or in operation Object to be controlled Backup heater 1 Energization start condition TWO 4 or TWI 4 or THO 4 2 Energization stop condition TWO 5 and TWI 5 and THO 5 Defrosting ends according to the usual heater control 2 5 No heater operation According to the DP_SW11 setting the unit ...

Page 63: ... 3 The pump P1 is always energized if the pump P2 is not interlocked 3 5 Controlling the enhancing pump P2 You can change the action of the enhancing pump P2 during cooling operation by setting FC64 FC64 00 Default The pump is always energized FC64 01 The pump is always stopped 3 6 Controlling the built in pump P1 during cooling operation controlled with the room temperature thermostat or room tem...

Page 64: ...install a sub remote control separately purchased in a room to control room temperature 6 1 Installing the sub remote control Wiring with the main unit See the figure on the right After detaching the front panel connect the sub remote control to the right terminal on the main remote control which is connected with the hydro unit No polarity Place to install inside a room At the height of 100cm 150...

Page 65: ... for cooling Connect TCB PCM03E between the terminals 2 and 3 Place to install inside a room At the height of 120cm 180cm on a wall Opposite to the radiator or fan coil installed No assignment when floor heating is used on the room Item Operation flow and applicable data etc Heating operation A zone B zone C zone D zone Cooling operation D zone C zone B zone A zone Thermo off Thermo off T_rc TSC_r...

Page 66: ...hermostat operation When the cooling thermostat does not reach the assigned temperature the circuit between 2 and 3 is open cooling starts under the setting that water temperature fro cooling is 20 C If the cooling thermostat has not reached the assigned temperature 30 minutes after cooling had started the water temperature setting is turned down 1 degree and the same action will be repeated every...

Page 67: ...n the remote control If t he hot water supply operation heating operation or hot water supply heating operation is started manually after the unit was stopped with an external input the new status is reflected to the setting on the remote control FC61 2 Hot water supply only FC61 3 Heating only 8 3 Cautions The circuit between the external input terminals 1 and 3 is also used to control the limit ...

Page 68: ... 4 operation combination pattern for Heating Hot water When pulse signal is input the operation status change to the next status For example if current operation status is heating ON and hot water OFF then next status to be heating OFF hot water OFF when pulse is input Hydro unit memorize the status of the operation pattern before changing OFF status by pulse signal If pulse is input at operation ...

Page 69: ...ing operation continues at least 30 minutes 10 Output signal control 1 TCB PCIN3E optional P C board is required Connect its connection cable to the CN208 terminal on the P C board in the hydro unit The circuit between the terminals 1 and 2 gets closed as an error detection signal is output The circuit between the terminals 3 and 4 gets closed as a boiler signal is output The RED lamp on the P C b...

Page 70: ...te L min Pump head m 0 10 15 20 25 30 1 2 3 4 5 6 7 8 SW1 SW2 SW3 230V 220V 230V 220V 230V 220V Minimum flow rate Hydraulic heat exchanger 8kW QH characteristics Out of Operation Range 0 0 5 10 15 20 Flow rate L min 25 30 35 40 45 50 55 60 65 1 2 3 4 Pump head m 5 6 7 8 9 Minimum flow rate Hydraulic heat exchanger 14kW QH characteristics 10 Out of Operation Range SW1 SW2 SW3 230V 220V 230V 220V 23...

Page 71: ... freeze prevention control start temperature the unit operate the circulation pump During a freeze prevention operation a heat pump operation does not start When neither HOT WATER nor ZONE1 2 is in operati on if the end condition is not met when 3 minutes has passed after an operation starts the unit performs the operation in 3 2 to prevent freeze 3 2 How to operate circulation pump backup heater ...

Page 72: ...0 minutes At the next time of defrosting the start condition is notmet Defrosting operation for heating or hot water supply 3 Error display If freeze determination cancellation condi tion is not met A08 error is displayed 15 High return water protect control The hydro unit protects against high return water which made by separate boiler system When A02 error appeared the built in pump will stop Re...

Page 73: ...r or other equipment is repaired first check that the resistance of each sensor or the refrigerant cycle has no problem then start the operation 2 Discharge temperature release control This control detects an abnormality of the refrigerant cycle or compressor to perform failure prevention This control reduces operation frequency if the PMV control do es not lower the outlet temperature or if the o...

Page 74: ...10 C Item Operation flow and applicable data etc Outdoor unit current inverter Main circuit control current Compressor operation Hz down Outside air temperature TO Current release point setting Capacity control continue Operation current Settings Current degradation Yes No Outside temperature TO degree C Current release value A 803H E 1103H E 1403H E 1103H8 R E 1403H8 R E 1603H8 R E 35 TO 12 0 11 ...

Page 75: ...l 14 taps For 60 seconds after the start the maximum fan tap for eachzone that is shown in the following table is fixed After that the fan is controlled according to the TL sensor temperature Item Operation flow and applicable data etc Temperature range 803H E 1103H E 1403H E 50 C TO 10 5 14 1 14 1 45 C TO 50 C 10 5 14 1 14 1 39 C TO 45 C 14 0 14 1 16 4 TO 39 C 16 0 14 1 16 4 TO error 10 5 14 1 14...

Page 76: ...e Less than 20 Hz 20 Hz or more to less than 45 Hz 45 Hz or more Minimum Maximum Minimum Maximum Minimum Maximum 38 C TO W6 WC W8 WC WA WD 29 C TO 38 C W5 WB W7 WC WB for 1102 W9 WC 15 C TO 29 C W4 W8 W6 WA W8 WC 5 C TO 15 C W3 W6 W5 W8 W7 WA 0 C TO 5 C W2 W4 W4 W6 W5 W8 4 C TO 0 C W2 W3 W3 W5 W4 W6 TO 4 C W1 W2 W1 W4 W2 W6 TO error W1 WC W1 WC W2 WD Temperature range Less than 20 Hz 20 Hz or more...

Page 77: ...ns with W3 rotation For 803H E For 1103H E For 1403H E Item Operation flow and applicable data etc TE C 24 21 18 15 1 tap 20 secs to W1 2 tap 20 secs to W1 2 tap 20 secs to W1 Stop time count Number of revolutions hold 1 tap 20 secs Up to the maximum tap for each zone Temperature range Less than 20 Hz 20 Hz or more to less than 45 Hz 45 Hz or more Maximum Maximum Maximum 10 C TO W7 W8 W9 5 C TO 10...

Page 78: ... Hz or more Maximum Maximum Maximum 10 C TO W7 W8 W9 5 C TO 10 C W9 WA WA 3 C TO 5 C WA WA WC 10 C TO 3 C WC WC WC TO 10 C WD WD WD TO abnormal WD WD WD Temperature range Less than 20 Hz 20 Hz or more to less than 45 Hz 45 Hz or more Maximum Maximum Maximum 10 C TO W7 W8 W9 5 C TO 10 C W9 WA WB WC 3 C TO 5 C WB WC WB WC WC 10 C TO 3 C WC WC WC TO 10 C WD WD WD TO abnormal WD WD WD ...

Page 79: ... minutes Jumper switching O Short circuit Open Item Operation flow and applicable data etc Heating operation starts 2 5 10 23 25 2 TE C 0 10 15 39 45 55 d min D zone A zone B zone C zone 1 1 In 10 to 15 minutes after the heating operation starts the lowest value of TE is recorded as TEO and the lowest temperature of To as ToO 2 Inside brackets For 803H E To Normal A Zone Maintain TEO TE ToO To 3 C...

Page 80: ...ol 1 In 11 minutes after the operation start the compressor may not stop for protection This status is not abnormal The operation duration time of the compressor varies depending on a operation status 2 If the operation stops with the remote controller the operation does not continue 9 Over current protection control 1 A detection of abnormal current with the over current protection control stops ...

Page 81: ...stops and the A07 error code is indicated 12 Compressor case thermostat The compressor case thermostat functions to protect the compressor when the blow out temperature from the compressor is too high The compressor case thermostat on the upper part of compressor stops the compressor The compressor will restart three minutes after stopping If the compressor case thermostat functions again afte r r...

Page 82: ...ogram operation Non defective program operations for the protection of the heat pump unit 9 3 Outline of the determination diagram 9 3 1Procedure of defect diagnosis 9 3 2How to determine from the check code display on the remote controller 9 3 3How to cancel a check code on the remote controller 9 3 4How to diagnose by error code With reference to the check code roughly identify the defect from t...

Page 83: ...ocomputer If a claim occurs about the operation please confirm whether it falls under any of the contents in the following table If it does please understand that the symptom is not a defect of the equipment and it is an operation necessary for the control and maintenance of the heat pump unit Table 9 2 1 Non defective operation No Operation of the heat pump system Explanation 1 The compressor som...

Page 84: ...ease perform a repair If its abnormality is determined the abnormality is noticed by indicating the check code on the remote control check code display part while sounding off a buzzer 9 3 3 How to cancel a check code on the remote controller 1 Press or button on the operation side to clear the check code 2 Press to stop a buzzer for an abnormality only Although the above procedure cancels the che...

Page 85: ...ow switch 2 91 A02 Temperature increase error heating When one of the TWI TWO and THO sensors exceeds 70 C Heating Hot water O O 1 Check the water inlet water outlet and heater outlet TWI TWO THO sensors 2 Defect of the backup heater defect automatic reset thermostat 1 92 A03 Temperature increase error hot water supply When the TTW sensor exceeds 85 C Heating O Hot water O 1 Check the hot water cy...

Page 86: ...heating or hot water supply 2 Check the heater power circuit backup or hot water cylinder heater Power supply voltage breaker power supply connection 1 100 E03 Regular communication error between hydro unit and remote controller When there is no regular communication from the remote control for 3 min or when no remote control is equipped O 1 Check remote control connection 2 Defect in the remote c...

Page 87: ... or more hot water supply heading O O 1 Check the connection body or connection wiring of the low pressure sensor 2 Check the resistance value of the low pressure sensor 1 107 F29 EEROM error Inconsistency is detected once without verify ACK after writing to EEPROM 1 Replace the water heat exchange control board 1 107 F30 Extended IC error When the extended IC is abnormal 1 Replace the water heat ...

Page 88: ...r Open or short circuit in the heat sink temperature sensor O 1 Check the resistance value and connection of the heat sink temperature sensor TH 1 120 F15 TE TS sensors error Open or short circuit in the temperature sensors O 1 Check for any wrong installation of the heat exchange temperature sensor TE and the suction temperature sensor TS 1 120 F31 EEPROM error O 1 121 H01 Compressor breakdown 1 ...

Page 89: ...5 C O 1 Check the thread fastening and heat sink grease between the outdoor control board and the heat sink 2 Check the heat sink fan duct 3 Check the resistance value of the heat sink temperature sensor TH 4 114 P15 Detection of gas leak When the discharge temperature sensor TD exceeds 106 C for consecutive 10 min When the suction temperature sensor TS exceeds 60 C for cooling or 40 C for heating...

Page 90: ...onnection of the fan motor cable connector 3 Check the power supply voltage AC220 230 V 10 single phase type AC380 400 V 10 3 phase type 1 4 118 P26 Short circuit of the compressor driver element error When an abnormal short circuit of IGBT is detected O 1 P26 abnormality occurs when operating with the compressor wiring disconnected Check the control board 2 No abnormality occurs when operating wi...

Page 91: ... the remote control and the base unit of the indoor unit detected on the remote control side Stop Automatic reset Displayed when the abnormality is detected Defect in the reception of the remote control 1 Check the remote control crossover 2 Check the remote control 3 Check the hydro power supply wiring 4 Check the water heat exchanger board E02 Defect in the signal transmission to the hydro unit ...

Page 92: ...ntify causes and resolve strainer Excess air noise comes from inside the pump Flow switch is connected to board Built in pump is connected to board Flow switch is normal Chattering noise comes from flow switch Pump stops 2 3 minutes after its rotation started TC sensor characteristic is correct Yes Yes A01 occurs Operation restarts Water heat exchanger control board is defective replace it Perform...

Page 93: ... Yes No Water outlet temperature is 70 C or higher Yes Correct water circuit To prevent hot water of other circuits from entering Yes Hot water from boiler or other circuits does not come in No Failure of backup heater Too large heater input thermostat short circuit Replace heater unit Yes Backup heater is energized No Measure heater current Start Replace water heat exchange control board Yes Flow...

Page 94: ...Hot water cylinder heater is energized Yes No At normal temperature tank thermostat is energized Yes Replace hot water cylinder thermostat No Hot water cylinder thermostat operates Yes Operation temperature 82 C Start Replace water heat exchange control board Replace Mg sw No Mg sw RY05 for heater operates Yes Operating noise at normal time ...

Page 95: ...nd pump Set DP_SW11 1 to ON No No No No inside strainer etc Chattering from flow switch Water heat exchanger board DP_SW11 1 is ON Power is connect to backup heater terminal Backup heater terminal has 230ACV 23V Start Operation restart Replace water heat exchange control board Perform air vent Set heater breaker to ON Check indoor wiring Replace flow switch No Yes Yes Yes Yes Replace backup heater...

Page 96: ...er terminal Yes Yes Restart TWI 4 TWO 4 or THO 4 is detected Circulation pump keeps being energized or 3 minutes passed after the start No No Place power cable for backup heater Set breaker for backup heater to ON or Check indoor electronic wiring No Backup heater element is conductive Yes Replace TWI TWO and THO sensors No TWI TWO THO sensor characteristics are correct Yes Yes Replace water heat ...

Page 97: ...r less branches Remove sufficiently excess air Place buffer tank and the second pump No Excess air noise comes from inside pump Chattering noise comes from flow switch Start No No Yes Lower set temperature Yes Continued operation at high outside air temperature and at 50 C or higher set temperature No Attach TWO sensor No TWO sensor is attached to pipe Yes Replace pressure switch No Pressure switc...

Page 98: ...ficiently excess air Place buffer tank and the second pump No Excess air noise comes from inside pump Chattering noise comes from flow switch Start No No Yes Raise set temperature Yes Cooling overload operation Continued operation at low outside temperature and at 15 C or lower set temperature No Defrost outdoor unit where frost remains Yes Defrosting takes 15 mins or longer Frost remains No Repla...

Page 99: ...ater Yes Flow switch is normal Yes No At normal temperature overheat preventive thermostat is normal Yes Start Replace water heat exchange control board or overheat preventive thermostat failure Replace water heat exchange control board or overheat preventive thermostat failure After the control board is replaced if the same operation repeats the overheat preventive thermostat is determined as def...

Page 100: ...ger water pipe to a branch or 5 or less branches Remove sufficiently excess air Place buffer tank and the second pump No Excess air noise comes from inside pump Chattering noise comes from flow switch Start No No Yes Attach TWI sensor No TWI sensor is attached to pipe Yes Replace TWI or TWO sensor No TWI and TWO sensor characteristics are normal Yes Yes Yes Replace water heat exchange control boar...

Page 101: ...er Hot water supply Hot water cylinder heater After 1 hour since heater operation started neither TWI 15 C nor TTW 20 C is met Freeze prevention control is detected once No No Place electric wire for backup heater Place electric wire for hot water cylinder Set breaker for backup heater to ON Set breaker for hot water cylinder to ON or check indoor wiring No Backup heater element is conductive Yes ...

Page 102: ...ct Correct wiring and connecting wire No Yes CN04 connector and terminal block 1 2 3 wiring are normal Correct connector and terminal block wiring No Yes When power is on again D502 Amber LED blinks Check water heat exchanger board If defective replace it No Yes Correct TC sensor connection Replace TC sensor No No TC sensor connector CN203 is connected Yes TC sensor resistance characteristic is no...

Page 103: ...eat exchange control board Correct TE sensor connection Replace TE sensor No No TE sensor connector CN601 is connected Yes TE sensor resistance characteristic is normal Yes Start Replace water heat exchange control board Correct TL sensor connection Replace TL sensor No No TL sensor connector CN604 is connected Yes TL sensor resistance characteristic is normal Yes Start Replace water heat exchange...

Page 104: ...o Charasteristic table on page 122 Correct TWI sensor connection Replace TWI sensor No No TWI sensor connector CN205 is connected Yes TWI sensor characteristic is normal Yes Start Replace water heat exchange control board Refer to Charasteristic table on page 122 Correct TWO sensor connection Replace TWO sensor No No TWO sensor connector CN205 is connected Yes TWO sensor characteristic is normal Y...

Page 105: ...harasteristic table on page 122 Correct TFI sensor connection Replace TFI sensor No No TFI sensor connector CN213 is connected Yes TFI sensor characteristic is normal Yes Start Replace water heat exchange control board Refer to Charasteristic table on page 122 Correct THO sensor connection Replace THO sensor No No THO sensor connector CN206 is connected Yes THO sensor characteristic is normal Yes ...

Page 106: ...ensor No No THO sensor is attached to pipe Yes THO sensor characteristic is normal Yes Replace TWO sensor No TWO sensor characteristic is normal Yes Start Replace water heat exchange control board Refer to Charasteristic table on page 122 Refer to Charasteristic table on page 122 ...

Page 107: ... Make the mixing valve setting correct No No Mixing valve is attached Yes Mixing valve connection is correct Yes No FC_0C Mixing valve rumning time 30sec to 120sec Mixing valve setting is correct Yes Replace TWO sensor No TWO sensor characteristic is normal Yes Start Replace water heat exchange control board Refer to Charasteristic table on page 122 Refer to Charasteristic table on page 122 Refer ...

Page 108: ... board is abnormal Replace the water heat exchanger control board to a service board L07 Error At the time of power on detecting the above failure automatically activates the automatic address setting mode Check code is not output Note that if the above failure is detected in the automatic address setting mode a check code may be output Attach lo pressure sensor Replace lo pressure sensor Yes No L...

Page 109: ...er if ZONE1 is not set and ZONE2 is set L16 displays abnormality Set correctly DP_SW12 2 3 No Set indoor unit capacity data Setting item code FC_01 8 kW 12 14 kW 17 Water heat exchange control board MCC 1511 Check If defective replace it Yes Hydro unit capacity is not set ...

Page 110: ...lure occurred Indication 1 With the status above pressing the SW800 button for one second causes the yellow LED to blink Indication 2 Pressing again SW800 for one second or longer returns to Indication 1 The combination of Indication 1 and Indication 2 can determine what kind of abnormality Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit ...

Page 111: ...t wiring connection No Yes Power voltage is normal AC220 230 V 10 single phase type AC380 400 V 10 3 phase type PC Board 803H E MCC 1571 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 CN609 connector and case thermostat is normal Correct connector Replace case thermostat Check for piping collapse and break If defective repair or replace it No Yes If case thermostat is short circuited cooling...

Page 112: ...s 803 to 1403H E Indication 1 Indication 2 Heat sink temperature sensor TH failure See F13 details 1103 to 1603H E Indication 1 Indication 2 Indication 1 Indication 2 EEPROM failure See F31 details Indication 1 Indication 2 Model not set See L10 details Indication 1 Indication 2 Heat sink overheat failure See P07 details Check code Outdoor LED indication Check and Action procedure No specific desc...

Page 113: ...es outdoor unit parts No gas leakage Appropriate refrigerant amount Correct defective portion Re charge refrigerant Check outdoor control board If defective replace it No Yes Pulse motor valve is normal Correct defective portion Replace defective parts No Yes Abnormally over loaded Deal with or remove causes Yes No CN603 connector is normal TD sensor resistance is normal Correct connector Replace ...

Page 114: ...rmal Reset the power supply and then do a trial operation according to the season Is there any element which blocks heat exchanger of the outdoor unit Clogging of heat exchanger Short circuit Parts check Defective Replace Elimination of blocking element Check Comp IPDU PC board Defective Replace Wiring check Correct Open service valve fully Repair defective position Overcharge of refrigerant Clogg...

Page 115: ...400 V 10 3 phase type PC Board 803H E MCC 1571 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 Check outdoor control board If defective replace it Apply radiation grease as needed Tighten screws Be sure to place back the insulation sheet between Q300 400 and the heat sink Yes Yes No The screws are loose in motor drive element Q200 300 400 of outdoor control board and rectifier DB01 02 03 MCC ...

Page 116: ...frigerant amount Correct defective portion Re charge refrigerant No Yes Pulse motor valve is normal Correct defective portion Replace defective parts No Yes Service valve is fully opened Open fully service valve No Yes Piping collapse Repair or replace pipe Yes No Temperature sensor check Discharge sensor CN603 Suction sensor CN600 Correct connector Replace sensor NG OK PC Board 803H E MCC 1571 11...

Page 117: ...Although values shown has some range if its maximum value is 180DCV or higher the board is good 1103 to 1603H8 R E The 4 way valve coil of 1103H8 R 1603H8 R E is not self hold type Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts Temperature sensor check TE sensor CN601 TS sensor CN600 Hydro TWO sensor If defective repair or replace ...

Page 118: ...eck outdoor fan If defective replace or tighten it Yes Outdoor fan operates normally No Check the same item as those for P22 abnormality Reset the power source and perform a trail operation according to the season Something prevents outdoor unit heat exchange Clogged heat exchanger short circuit No Yes Check for refrigerant overcharged clogged cycle pipe break abnormal overload etc If defective re...

Page 119: ...If defective replace it No Yes Yes Check wiring Request power source repair When not energized the fan motor can be smoothly rotated by hand Fan motor coil resistance is normal Between red white leads 12 20 Between white black leads 12 20 Between black red leads 12 20 No Replace fan motor Power voltage is normal AC220 230 V 10 single phase type AC380 400 V 10 3 phase type PC Board 803H E MCC 1571 ...

Page 120: ...TD sensor connector CN603 is connected Correct TD sensor connection Replace outdoor control board No TD sensor resistance characteristic is normal Replace TD sensor No See the characteristic table on page 101 Yes Yes PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 TE sensor connector CN601 is connected Correct TE sensor connection Replace outdoor control board No Yes TE sensor resista...

Page 121: ...e 101 Yes PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 TS sensor connector CN600 is connected Correct TS sensor connection Replace outdoor control board No Yes TS sensor resistance characteristic is normal Replace TS sensor No Yes PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 Replace outdoor control board PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 T...

Page 122: ...ROM failure Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts Check outdoor control board If defective replace it PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 ...

Page 123: ... 12 26 55 28 03 40 5 013 5 192 5 375 50 17 00 17 92 18 86 50 3 312 3 451 3 594 60 11 74 12 34 12 95 60 2 236 2 343 2 454 70 8 269 8 668 9 074 70 1 540 1 623 1 709 80 5 925 6 195 6 470 80 1 082 1 146 1 213 90 4 321 4 507 4 696 90 0 7740 0 8237 0 8761 100 3 205 3 336 3 468 100 0 5634 0 6023 0 6434 0 10 0 10 20 30 40 50 60 10 20 30 40 50 60 70 80 90 100 0 0 0 5 10 15 20 50 100 150 200 10 20 30 40 50 ...

Page 124: ... 2 2WV_W Alive for approx 2 sec not alive for 3 sec 3 3WV_W 4 Mixing valve Alive for 30 sec in the forward direction Alive for 30 sec in the reverse direction 5 Built in AC pump Alive not alive for 20 sec 6 Extended AC pump 1 Alive not alive for 20 sec 7 Extended AC pump 2 Alive not alive for 20 sec Reserved 8 Water heat exchange backup heater Repeat heater 1 heater 2 and OFF every 20 sec The buil...

Page 125: ...and measure the resistance value with a tester Normal temperature 2 Circulating pump AC pump Type UPS025 65K 130 802XWH E UPS25 80 130 1402XWH E Remove the connection cover of the pump and measure the resistance with a tester Temperature 0 C 10 C 20 C 30 C Sensor Water heat exchange temperature TC sensor 33 8 kΩ 20 35 kΩ 12 59 kΩ 7 99 kΩ Water inlet temperature TWI sensor Water outlet TWO sensor H...

Page 126: ...re the resistance value Type UKV A025 0100 1103 1403H E 1103 to 1603H8 R E Red White Black 803 to 1403H E Location Resistance value Red White 1 04 1 16 Ω White Black 1 04 1 16 Ω Black Red 1 04 1 16 Ω At 20 C 1103 to 1603H8 R E Location Resistance value Red White 0 75 0 83 Ω White Black 0 75 0 83 Ω Black Red 0 75 0 83 Ω At 20 C Red White Black Location Resistance value 802H E Red White 32 6 3 3 Ω W...

Page 127: ...ormal temperature 6 Discharge temperature TD sensor Remove the connector and measure the resistance value with a tester No Component name Check procedure Temperature 0 C 10 C 20 C 30 C Sensor kΩ Outdoor heat exchange temperature sensor TE 33 8 20 4 12 6 8 0 Suction temperature sensor TS Temperature 0 C 10 C 20 C 30 C Sensor kΩ Discharge temperature sensor TD 161 3 99 0 62 4 40 2 ...

Page 128: ... pump activate ON P1 Continues run Heat pump activate OFF 10_2 Pump P1 operation during room heating P1 pump stop or not using out side air temperature OFF Continues run ON Pump P1 stop when TO 20 o C Available to change the temperature setting by FC 9E Continuous run OFF 10_3 Pump P2 interlock with P1 Yes No Yes OFF 10_4 OFF SW11 Switching details Factory default Remarks 11_1 Hydro unit backup he...

Page 129: ...ration can set the start and end time of the night time low noise anti bacteria night set back or other functions Procedure Perform the following when no operation is in progress 1 Press the TEST and CL and TEMP buttons at the same time for 4 seconds or longer See display appears on the left 2 Specify CODE NO FC with the TEMP button for temperature setting 3 Select a setting data with the TIME but...

Page 130: ...0020 20 C 0010 10 C 24 Outside air temperature for hot water temperature compensation start 0020 20 C 0010 10 C 0000 0 C 25 Hot water temperature compensation value 0000 0K 0015 15K 0003 3K 26 Night set back change temperature range 0003 3K 0020 20K 0005 5K 27 Set temperature shift with heating Auto 0005 5K 0005 5K 0000 0K 29 Outside air temperature T1 temperature 0015 15 C 0000 0 C 0010 10 C 2B O...

Page 131: ... 0000 Continuously run P2 0001 Stop P2 0000 Continuous running 65 P1 pump setting when the thermostat is deactivated in the room temperature remote control and room temperature thermostat settings 0000 Continuously run P1 0001 Stop P1 when the thermostat is OFF 0000 Continuous running 67 Changing the condition of optional output For the optional P C board connected to CN209 0000 1 3 During defrost...

Page 132: ...F 5 Replace the electrical box cover and front panel on the hydro unit 2 4 How to reset remote controller function code It is not possible to reset the remote controller function code setting back to the default values FC Item Details Fist shipment 02 Temperature correction by the room temperature sensor heating 10K 10K By 1K steps 1 1K correction 03 Temperature correction by the room temperature ...

Page 133: ...the HOT WATER button and a hot water supply operation starts after 3 minutes See display The pump immediately starts 3 Pressing the HOT WATER button again stops the hot water supply operation For heating trial operation 1 Press the ZONE1 2 button and a heating operation starts after 3 minutes See display The pump immediately starts 2 Pressing the ZONE1 2 button again stops the heating operation Fo...

Page 134: ...reen appears 2 Set a temperature shift range with the TEMP button for temperature setting 5k to 5k 3 Press the SET button If lights the status is confirmed 4 Pressing the TEST button moves the unit to the normal stop state FC Item Details Fist shipment 29 Outside air temperature T1 temperature 0015 15 C 0000 0 C 0010 10 C 2B Outside air temperature T3 temperature 0000 0 C 0015 15 C 0010 10 C 2C Se...

Page 135: ...ay to be set Press the DAY button to select the current day The symbol moves along above the days moves by each button press from MO through SU 3 Set time Use the TIME button to set time Long press changes time display by 10 minutes 4 Pressing the SET button ends the time setting Ending the time setting changes the days and time to the lit state and returns to the normal display and indications go...

Page 136: ...cify set time operation mode and set temperature Time setting Use the TIME button to set time Operation mode Press HOT WATER for hot water supply ZONE1 2 for heating or ZONE1 2 for cooling and then press OPERATE MODE Pressing HOT WATER or ZONE1 2 again displays indicating stop When an operation mode is set appears for heating for cooling or for hot water supply and also the temperature set last ti...

Page 137: ...bol and F for temperature setting See display The heating operation of 15 C is set In FC_3B in 2 2 section the set temperature can be changed in the range of 10 to 20 C 3 Pressing the FORST PROTECTION button makes disappear and the set temperature returns to the normal heating temperature Pressing the ZONE1 2 button ends both the frost protection and the heating operation How to set FROST PROTECT ...

Page 138: ...Default 3 Pressing the NIGHT button again makes disappear and the normal operation starts How to set NIGHT operation start and end time 1 Press the NIGHT button for 4 seconds or longer Moves to the NIGHT time setting mode See display 0E in the Code No field and the current time displayed blink 2 Press the TIME button to set a desired start time Pressing SET changes the time to be lit and the setti...

Page 139: ... does not start How to set anti bacteria temperature and holding time In FC_0A or 0B See 2 2 the set temperature and holding time can be changed FC_0A Set temperature change range 70 to 80 C 75 C default FC_0B Holding time change range 0 to 60 minutes 30 minutes default How to set anti bacteria start time and cycle 1 Press the ANTI BACTERIA button for 4 seconds or longer See display Moves to the a...

Page 140: ...utput from the outdoor unit during night time for neighbours Night time low noise operates with lower operation frequency and fan tap than usual only for the set time period The operation is the same as usual hot water supply heating or cooling Adjust the unit time before making the settings How to enable set start time and end time of night time low noise 1 Press the TEST and TEMP button at the s...

Page 141: ...r timer setting See display Factory default is 0000 4 Press the SET button If OK lights the status is normal 5 Pressing the TEST button moves the unit to the normal stop state Operation Press the ZONE1 2 button Set the operation to the heating mode After a while forced defrosting signals are transmitte d to the outdoor unit and the unit starts defrosting Forced defrosting lasts for up to 10 minute...

Page 142: ...mperature TWI C 07 Water outlet temperature TWO C 08 Water heater outlet temperature THO C 09 Floor inlet temperature TFI C 0A Hot water cylinder temperature TTW C 0B Mixing valve position step OE Low pressure Ps 100 MPa Outdoor unit data Item code Data name Unit 60 Heat exchange temperature TE C 61 Outside air temperature TO C 62 Discharge temperature TD C 63 Suction temperature TS C 65 Heat sink...

Page 143: ...ay 2 To monitor other failure history press the TEMP button for temperature setting to change the failure history number item code Item code 01 Latest Item code 01 Old Note The failure history contains the last 4 failures 3 Pressing the TEST button returns to the normal display NOTE Do not press the CL button Pressing the button deletes all the failure history of the hydro unit If the button is pr...

Page 144: ...2 Set all the SW804 dip switches to OFF initial status and press the push button switch SW801 for approx 1 second A cooling operation starts During the operation D805 green LED blinks Note that this operation lasts for 10 minutes 3 After 3 minutes has passed close the liquid side valve 4 After the refrigerant recovery is completed close the gas side valve 5 Press again the push button switch SW801...

Page 145: ...w this control operates the outdoor fan in W5 even if the compressor is not in operation Defrosting time change J805 J806 If the defrosting interval is shorter than the standard the jumper wire is cut For the control details or how to cut the jumper wire see defrosting control Maximum frequency change J807 If the maximum value of compressor frequency need to be lowered cut the jumper wire shown on...

Page 146: ...n hydro unit and outdoor unit serial communication D503 Green LED Signal display signals from the outdoor unit of communication between hydro unit and outdoor unit serial communication D800 to D804 Yellow LED Abnormality indication All OFF of SW803 or the lit status of any of D800 to D804 indicates that the outdoor control unit detects an abnormality Setting SW803 to other than OFF shows details w...

Page 147: ...03H8 R E 1403H8 R E 1603H8 R E SW800 SW801 SW806 D502 D503 SW802 SW803 LED ON 1 2 3 4 ON 1 2 3 4 SW804 SW805 ON 1 2 3 4 ON 1 2 3 4 D805 D804 D803 D802 D801 D800 D805 D804 D803 D802 D801 D800 Enlarged view of LEDs ...

Page 148: ...mality details of the current one is displayed This setting does not display a TO sensor failure Check for the failure with the setting for current abnormality See 2 2 Temperature sensor indication These switches indicate the temperature sensor detecting value TC TWO 2 heating hot water supply TC TWO cooling See 2 3 Current indication This switch indicates the current value in the outdoor unit See...

Page 149: ...sink temperature sensor TH failure Heat exchanger suction sensor TE TS wrong wiring EEPROM failure Compressor break down Compressor lock Current detection circuit failure Faulty compressor case thermostat Not set up the capacity Communication failure between MCUs Other abnormality e g Compressor s loss of synchronism Abnormal discharge temperature High pressure SW system error Power failure Heat s...

Page 150: ... 13 13 9 14 14 9 15 15 9 16 16 9 17 17 9 18 18 9 19 19 9 20 20 9 21 21 9 22 22 9 23 23 9 24 24 9 25 25 9 26 26 9 27 27 9 28 28 9 29 29 9 30 30 9 31 or higher 0 4 5 9 10 14 15 19 20 24 25 29 30 34 35 39 40 44 45 49 50 54 55 59 60 64 65 69 70 74 75 79 80 84 85 89 90 94 95 99 100 104 105 109 110 114 115 119 120 124 125 129 130 134 135 139 140 144 145 149 150 154 155 or higher 0 19 20 39 40 59 60 79 8...

Page 151: ...rms a fan motor operation When SW801 is pressed again or after 2 minutes the operation returns to the normal control Caution Although these controls are available during an operation basically perform them when no operation is in progress Performing these controls during an operation may cause dangerously rapid pressure change No operation particularly PMV full open operation Fully opens PMV Pulse...

Page 152: ...n 1 to 4 Voltage Approx 325V This function operates for 10 seconds After that it becomes OFF SV valve relay operation RY702 CN702 for check Sets SV valve relay RY702 to ON When SW801 is pressed again or after 2 minutes the operation returns to the normal control HWS 1102 and 1402H E do not have the parts mounted so this operation is unavailable Heater output relay operation RY703 CN703 for check S...

Page 153: ...e jumper wires according to the following table J804 J811 Settings Set these jumper wires to the settings of the P C board before replacement DIP switch SW802 Settings Set SW802 to the setting of the P C board before replacement SW803 LED indication switching Set SW803 to all OFF SW804 Special operations for service Set SW804 to all OFF SW805 Only H8series Special operations for service Set SW805 ...

Page 154: ... an injury when accidentally contacting the parts Thick gloves such as cotton work gloves No Exchange parts name Work procedure Remarks 1 Common procedure Front panel Electric parts box cover lower Electric parts box cover upper 1 How to remove 1 Stop the hydro unit operation and turn off the power breaker 2 Remove the front panel ST1T Ø4 10 6 screws 3 After unscrew the screws remove the front pan...

Page 155: ...thermostat 3P Yellow CN203 TC sensor 2P Yellow CN204 TWI sensor 3P Brown CN205 TWO sensor 2P Red CN206 THO sensor 3P White CN207 Low pressure sensor 2P Blue CN212 Low pressure sensor 4P White CN213 TB 06 4P Terminal block 3P White CN214 TB 06 4P Terminal block 2P White CN305 TB 01 3P Terminal block 3P Green CN501 Relay board 6P Yellow CN601 Relay 05 3P Red CN602 TB 04 6P Terminal block 7P White CN...

Page 156: ...ter heat exchanger board 1 Connector CN200 Flow switch 3P Red CN201 Pressure switch 2P White CN202 Bimetal thermostat 3P Yellow CN203 TC sensor 2P Yellow CN204 TWI sensor 3P Brown CN205 TWO sensor 2P Red CN206 THO sensor 3P White CN207 Low pressure sensor 2P Blue CN212 Low pressure sensor 4P White CN603 Pump 3P Yellow Disconnect the heater power source cable For backup heater and hot water cylinde...

Page 157: ... 2 screws 2 Side board Left 1 Remove the fixed screws of the side board Left ST1T Ø4 10 5 screws 7 Upper board 1 Perform the step 1 1 and step 6 2 Remove the fixed screws of the upper board ST1T Ø4 10 4 screws 8 Bottom board 1 Perform the step 1 1 and step 6 2 Remove the fixed screws of the bottom board ST1T Ø4 10 4 screws No Exchange parts name Work procedure Remarks Side board Right Side board L...

Page 158: ...e expansion vessel connection has no water leakage Expansion vessel Expansion vessel Fixed band Replace the packing to new one when installing the expansion vessel To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit The relief valve connection uses an O ring for water seal Be careful not to scratch the O ring otherwise w...

Page 159: ... Exchange parts name Work procedure Remarks To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit The pump connection uses a liquid packing for water seal When replacing the pump use a packing which was slathered with the liquid gasket Part code Service parts 37595721 Packing After the pump replacement repair open the wate...

Page 160: ...alve of water pipe connected to the hydro unit The flow switch connection uses an O ring for water seal Be careful not to scratch the O ring otherwise water leakage may occur After the flow switch replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the flow switch connection has no water leakage Flow switch Flow switch Wa...

Page 161: ...first close the water supply source valve and the valve of water pipe connected to the hydro unit The heater connection uses a liquid packing for water seal When replacing the heater use a packing which was slathered with the liquid gasket Part code Service parts 37595721 Packing After the heater assembly replacement repair open the water supply source valve and water piping valve to pass water th...

Page 162: ...ocedure Remarks Close the water piping source valve and the valve of water pipe connected to the hydro unit and then remove the refrigerant and water piping Perform refrigerant recovery with the outdoor unit Disconnect all the power source cable outdoor unit connection cable and cylinder connection cable The heater connection uses a packing for water seal Be careful not to scratch the packing othe...

Page 163: ...minals 4 Remove the top board Hex Ø4 10 5 screws 2 How to attach 1 Attach the top board Hex Ø4 10 5 screws At this time insert the back side fin guard between the top board and the water heat exchanger back side 2 Connect the power source cable and connecting cables between indoor and outdoor to the terminal and fix them with the cord clamp NOTE The power source cable and connecting cable between ...

Page 164: ... the step 1 1 2 Remove the screws that fixes the inverter assembly and the side cabinet ST1T Ø4 8 2 screws 3 Remove the screws of the side cabinet and valve fixing board ST1T Ø4 8 2 screws 4 Remove the screws of the side cabinet and piping panel back Hex Ø4 10 2 screws 5 Remove the screws of the side cabinet and bottom board Hex Ø4 10 1 screw 6 Remove the screws of the side cabinet and water heat ...

Page 165: ...tight screw for fixing the board Ø3 20 1 screw 6 Remove the control board Supporter 5 positions NOTE Removing the control board may be difficult due to the heat release grease for the heat sink 7 Attach a new control board NOTE Be careful for not taking the compressor lead V CN201 White for the reactor lead CN05 or 06 White The compressor lead has a transparent sleeve at its ring terminal The reac...

Page 166: ...s 4 Remove the reactor Truss B tight screw Ø4 6 2 screws 5 Attach a new reactor NOTE Be sure to bind the removed binding tie by using the commercially available binding tie Make sure that the fan motor lead and the reactor body do not contact each other No Exchange parts name Work procedure Remarks Relay connector Reactor body Fan motor lead Control board Binding tie Compressor lead Relay connecto...

Page 167: ...prevent the fan motor lead from contacting the propeller fan adjust the length of fan motor lead fixing rubber so that it does not slack Attach the fan motor lead fixing rubber to the parting board so that the projection part is placed on the refrigerant cycle side Make sure that the reactor body and the fan motor lead do not contact each other Be sure to bind the removed binding tie by using the ...

Page 168: ...nd the pulse motor valve coil lead 6 Remove the soundproofing board Upper Inward winding Outward winding 7 Remove the compressor terminal cover and then remove the compressor lead and compressor case thermostat 8 Remove the TD sensor fixed to the discharge pipe 9 Remove the compressor lead Leave the ferrite core attached to the electric parts box Control board U CN200 Red V CN201 White W CN202 Bla...

Page 169: ...ke fire flame contact with the 4 way valve and pulse motor valve This may cause an operation failure 11 Pull out the discharge and suction pipes of the refrigerant cycle upward 12 Remove the compressor bolts that fix the compressor to the bottom board 3 bolts 13 Pull the compressor out toward you NOTE The compressor weighs 15 kg or more Two people should be required to handle it No Exchange parts ...

Page 170: ...d between the piping and parting board Place the compressor lead and the compressor case thermostat so that they fall into between the inward winding and outward winding of the soundproofing board No Exchange parts name Work procedure Remarks Black piping cover for heat resistance and Binding tie for heat resistance Sensors TL TO TE TD TS Pulse motor valve coil lead Piping cover Binding tie Sensor...

Page 171: ...utdoor unit control board to ON Press SW801 on the outdoor unit control board for 1 second or longer After pressing SW801 for 1 second or longer turn off the electric leakage beaker within 2 minutes 4 Charge refrigerant 1 Add refrigerant whose amount is defined according to the piping length from the valve charge port HWS 802H 1 8kg 7 Pulse motor valve coil 1 How to remove 1 Perform the step 1 1 a...

Page 172: ...maged 2 Remove the outlet cabinet and put with the fan guard side down 3 Release the hooks 8 positions of the fan guard 2 How to attach 1 Press the hooks 8 positions with hands from the front side to fix them NOTE Check that all the hooks are fixed to the given positions No Exchange parts name Work procedure Remarks Outlet cabinet Bellmouth Hooks Fan guard ...

Page 173: ...wer source cable and connecting cables between hydro and outdoor from the cord clamp and terminals 4 Remove the top board Hex Ø4 10 5 screws 2 How to attach 1 Attach the top board Hex Ø4 10 5 screws 2 Connect the power source cable and connecting cables between indoor and outdoor to the terminal and fix them with the cord clamp NOTE The power source cable and connecting cable between hydro and out...

Page 174: ...Perform the step 1 1 2 Remove the screws that fixes the inverter assembly and the side cabinet ST1T Ø4 8 2 screws 3 Remove the screws of the side cabinet and valve fixing board ST1T Ø4 8 2 screws 4 Remove the screws of the side cabinet and piping panel back Hex Ø4 10 2 screws 5 Remove the screws of the side cabinet and bottom board Hex Ø4 10 1 screws 6 Remove the screws of the side cabinet and fin...

Page 175: ...crew for fixing the board Ø3 20 1 screw 6 Remove the control board Supporter 5 positions Note Removing the control board may be difficult due to the heat release grease for the heat sink 7 Attach a new control board NOTE Be careful for not taking the compressor lead V CN201 White for the reactor lead CN05 or 06 White The compressor lead has a transparent sleeve at its ring terminal The reactor lea...

Page 176: ...t screw Ø4 6 2 screw 5 Attach a new reactor NOTE Be sure to bind the removed binding tie by using the commercially available binding tie Make sure that the fan motor lead and the reactor body do not contact each other No Exchange parts name Work procedure Remarks Reactor lead Reactor lead Reactor body Fan motor lead Binding tie Compressor lead Reactor lead Binding tie Compressor lead Reactor lead ...

Page 177: ...ngth of fan motor lead fixing rubber so that it does not slack Attach the fan motor lead fixing rubber to the parting board so that the projection part is placed on the refrigerant cycle side Make sure that the reactor body and the fan motor lead do not contact each other Be sure to bind the removed binding tie by using the commercially available binding tie Be sure to re attach the ferrite core o...

Page 178: ...N201 White W CN202 Black 9 Remove the outlet and suction pipes connected to the compressor by using a burner WARNING When removing the piping by burning the solder take enough care for a fire going off at the moment the wax melts if oil remains inside the piping NOTE Do not make fire flame contact with the 4 way valve and pulse motor valve This may cause an operation failure 10 Pull out the discha...

Page 179: ...ve may fail How to make pulse motor valve forcible full open Turn on the electric leakage breaker Set the SW804 dip switch 1 and 3 on the outdoor unit control board to ON Press SW801 on the outdoor unit control board for 1 second or longer After pressing SW801 for 1 second or longer turn off the electric leakage breaker within 2 minutes 4 Charge refrigerant 1 Add refrigerant whose amount is define...

Page 180: ...and step 2 NOTE Perform a replacement work on cardboard or cloth to prevent the product from being damaged 2 Remove the outlet cabinet and put with the fan guard side down 3 Release the hooks 8 positions of the fan guard 2 How to attach 1 Press the hooks 8 positions with hands from the front side to fix them NOTE Check that all the hooks are fixed to the given positions No Exchange parts name Work...

Page 181: ...necting wire from the cord clamp and the terminal 3 Remove the top plate Hexagonal screws Ø4 10 5 pcs 2 Attachment 1 Attach the top plate Hexagonal screws Ø4 10 5 pcs 2 Connect the power supply cable and the indoor outdoor connecting wire to the terminal and then fix with the cord clamp CAUTION The power supply cable and the indoor outdoor connecting wire must be affixed along the crossover pipe u...

Page 182: ...rt cabinet and heat exchanger ST1T Ø4 8 1 pc 5 Remove screw for the discharge port cabinet and the motor base ST1T Ø4 8 2 pcs 6 Remove screws for the discharge port cabinet and the fin guard Hexagonal screw Ø4 10 2 pcs 2 Attachment 1 Attach the discharge port cabinet and end board of heat exchanger and fix with a screw ST1T Ø4 8 1 pc 2 Mount other removed screws into original positions No Part nam...

Page 183: ...al screw Ø4 10 2 pcs 5 Remove screw for the side cabinet and the bottom plate Hexagonal screw Ø4 10 1 pc 6 Remove screws for the side cabinet heat exchanger and the fin guard Hexagonal screw Ø4 10 5 pcs 2 Attachment 1 Temporarily suspend the side cabinet on the inverter assembly using the hook 2 Mount the removed screws in the opposite procedure to that during detachment No Part name Procedure Rem...

Page 184: ... partition plate CAUTION When mounting the inverter assembly on the partitioning plate ensure proper mounting of the hook rear left part with partitioning plate 2 Mount the individual components in the opposite procedure to that during detachment No Part name Procedure Remarks Sound insulation plate Sound insulation plate upper upper Sound insulation plate Sound insulation plate rolling out rollin...

Page 185: ...N608 Connection with noise filter board 2P White CN609 Case thermo 2P Blue CN690 High pressure switch 3P Green CN700 4 way coil 3P Yellow CN708 Magnet switch 3P Blue CN710 PMV coil 6P White CN802 Connection with Fan IPDU board 5P white Remove connectors after unlocking housing section 3 Remove the claws of the supports 4 positions fixing the board and remove the interface board Control board 2 Att...

Page 186: ...0 Outdoors lower fan motor 3P Blue CN750 Outdoors upper fan motor 3P White Connectors should be removed after unlocking the housing section 3 Remove screw fixing the earth wire 4 Remove the claw of the support 4 positions fixing the board and the screw 5 positions fixing the heat sink and then remove the Fan IPDU board 2 Attachment 1 Mount Fan IPDU board 2 Mount components in the opposite method t...

Page 187: ... block White CN23 Fan IPDU board 5P Red CN50 Interface board 2P White CN51 Fan IPDU board 2P Back Connectors should be removed after unlocking the housing section 4 Remove the claw of the support 2 positions and the screw 2 positions fixing the base and then remove the noise filter base 2 Attachment 1 Mount noise filter board 2 Mount components in the opposite method to that when removing No Part ...

Page 188: ...1 Compressor Red CN212 Compressor White CN213 Compressor Black CN851 FAN IPDU board 5P Red Connectors should be removed after unlocking the housing section 4 Slide and remove the inverter assembly IPDU 5 Remove the screws 4 positions fixing the heat sink and the screws 3 positions fixing the compressor IPDU board and then remove the compressor IPDU board 2 Attachment 1 Mount compressor IPDU board ...

Page 189: ...rigerating cycle side Be sure so that the rector body does not contact with the fan motor lead Be sure to bundle the removed bundling band with the bundling band on the market Necessarily attach the ferrite core of the lower fan motor again Fix it with bundling band on the market REQUIREMENT Be sure to fix the fan motor lead to the motor base using the metal band of the motor base so that the fan ...

Page 190: ...WARNING In case of removing the piping by broiling the welded part with a burner if there is oil in the pipe it may burst into flames at the moment that wax melted so take sufficient care CAUTION Note so that the flame does not catch the 4 way valve and PMV A malfunction may be caused 11 Pull off the discharge pipe and the suction pipe of the refrigerating cycle upward 12 Remove the compressor nut...

Page 191: ...ushing SW801 on the control P C board of the outdoor unit for 1 second or more After pushing SW801 for 1 second or more turn off the leakage breaker within 2 minutes 4 Refrigerant charge 1 Add the refrigerant amount determined by the pipe length from the charge port of the valve No Part name Procedure Remarks Wrap the ferrite core with the compressor lead wire for 1 time There should be no clearan...

Page 192: ...prevent scratch on the product carry out the work on cardboard cloth etc 2 Remove the discharge port cabinet and then put on it so that the fan guard side directs downward 3 Remove the hooking claws 8 positions of the fan guard 2 Attachment 1 Push the hooking claws 8 positions with hands from the front side to fix the claws REQUIREMENT Check that all the hooking claws are fixed at the specified po...

Page 193: ...he three nuts fixing the compressor 10 Remove the screw fixing the partition plate and bottom plate 1 pcs ST1T Ø4 8 11 Remove the screws fixing the heat exchanger and bottom plate 2 pcs ST1T Ø4 8 12 Disconnect the connector of the bottom plate heater from the CDB P C board 13 Lift the main unit up and detach the bottom plate 14 Replace the heater 21 pcs ST2T Ø4 8 and 2 pcs hex screw Ø5 10 2 Attach...

Page 194: ...nnually Check for loose connector and connecting terminal Outdoor unit HWS 803H E 1103H E 1403H E HWS 803H8 R E 1403H8 R E 1603H8 R E Frequency Periodic inspection details 1 Insulation measurement Power source circuit Compressor Annually Insulation measurement with a mega tester 2 Power source measurement No load voltage Rated operation Annually Electronic voltage measurement 220 230V 10 Single ph...

Page 195: ...194 14Part Exploded View Part List Hydro Unit 201 203 208 202 219 218 209 210 211 213 203 214 215 206 216 207 212 236 204 205 217 ...

Page 196: ...195 220 223 235 234 222 225 226 231 232 229 228 235 233 230 221 224 227 ...

Page 197: ...1 1 1 1 1 213 37545715 HEATER ASSY 1 214 43151273 SWITCH PRESSURE 1 1 1 1 1 1 1 1 215 37551736 SENSOR LOW PRESSURE 1 1 1 1 1 1 1 1 216 37551735 SWITCH FLOW 1 1 1 1 216 37551737 SWITCH FLOW 1 1 1 1 217 43032441 NIPPLE DRAIN 1 1 1 1 1 1 1 1 218 37595721 PACKING ASSY 1 1 1 1 1 1 1 1 219 37595720 RING O ASSY 1 1 1 1 1 1 1 1 220 3026V018 PC BOARD ASSY 1 1 1 1 1 1 1 1 221 4316V338 PC BOARD ASSY 1 1 1 1 ...

Page 198: ...197 Outdoor Unit HWS 803H E 021 016 015 023 022 029 020 024 013 019 005 030 028 031 032 026 017 004 003 006 027 025 034 008 007 035 010 009 011 033 002 001 014 018 012 ...

Page 199: ...F 1 014 43100452 PANEL SIDE 1 015 43100453 PANEL AIR OUTLET 1 016 43100454 PANEL FRONT 1 017 43100455 BASE ASSY 1 018 43107276 HANGER 2 019 43107277 GUARD FIN BACK 1 020 43107278 GUARD FIN SIDE 1 021 43109422 GUARD FAN 1 022 43120244 FAN PROPELLER PB521 1 023 43122113 BELL MOUTH 1 024 4312C042 MOTOR FAN ICF 280 A60 1 1 025 43146686 VALVE PACKED 9 52 1 026 43146695 VALVE PULSE MODULATING 1 027 4314...

Page 200: ...03 Sensor assembly F4 TD TL sensor TS TE TD sensor 705 707 Terminal 3P Fuse 706 Terminal 3P 708 Sensor holder TO 702 Sensor holder TE 712 Sensor holder TS 713 Sensor holder TD 711 Control board assembly 704 Reactor 710 Collar 709 Bushing 701 Sensor assembly F6 ...

Page 201: ...ENSOR 1 703 43150319 SENSOR ASSY SERVICE 2 704 43155188 REACTOR CH 56 2Z T 2 705 43160565 TERMINAL BLOCK 3P 20A 1 706 43160581 TERMINAL 1 707 43160589 FUSE 1 708 43163055 HOLDER SENSOR 1 709 43163059 SPACER BUSH 1 710 43163060 SPACER COLLAR 1 711 4316V399 PC BOARD ASSY MCC 1571 1 712 43063322 HOLDER SENSOR 1 713 43063321 HOLDER SENSOR 1 ...

Page 202: ...201 Outdoor Unit HWS 1103H E 1403H E 020 015 021 022 029 030 017 013 018 028 026 032 019 014 011 031 024 034 035 001 002 033 027 037 004 003 016 025 006 009 008 005 010 012 007 036 023 ...

Page 203: ...UTLET 1 1 016 43100443 BASE ASSY 1 1 017 43107274 GUARD FIN SIDE 1 1 018 43107275 GUARD FIN BACK 1 1 019 43107276 HANGER 3 3 020 43109422 GUARD FAN 2 2 021 43120244 FAN PROPELLER PB521 2 2 022 43122113 BELL MOUTH 2 2 023 4312C037 MOTOR FAN ICF 280 A100 1 2 2 024 43146676 JOINT CHECK 1 1 025 43146686 VALVE PACKED 9 52 1 1 026 43146687 VALVE 4 WAY STF 0401G 1 1 027 43146724 VALVE BALL SBV JA5GTC 1 R...

Page 204: ...1 1 2 2 3 3 R R S S T T 703 Sensor assembly F4 705 707 Terminal 3P Fuse 706 Terminal 3P 708 Sensor holder TO 702 Sensor holder TE 711 Control board assembly Reactor 710 Collar 709 Bushing 701 Sensor assembly F6 TD TL sensor TS TE TO sensor 704 ...

Page 205: ...ERVICE 3 3 702 43063325 HOLDER SENSOR 1 1 703 43150319 SENSOR ASSY SERVICE 2 2 704 43158190 REACTOR 2 2 705 43160565 TERMINAL BLOCK 3P 20A 1 1 706 43160581 TERMINAL 1 1 707 43160589 FUSE 1 1 708 43163055 HOLDER SENSOR 1 1 709 43163059 SPACER BUSH 1 1 710 43163060 SPACER COLLAR 1 1 711 4316V400 PC BOARD ASSY MCC 1571 1 1 ...

Page 206: ...205 Outdoor Unit HWS 1103H8 R E 1403H8 R E 1603H8 R E 16 18 23 21 20 25 48 1 2 8 17 22 19 14 6 26 13 15 24 47 46 27 34 32 33 29 30 44 45 4 10 5 11 12 7 9 35 41 42 43 38 39 40 31 36 3 28 ...

Page 207: ...y 1 1 1 20 43107274 Guard Fin Side 1 1 1 21 43107275 Guard Fin Back 1 1 1 22 43107276 Hanger 3 3 3 23 43109422 Guard Fan 2 2 2 24 43120244 Fan Propeller PB521 2 2 2 25 43122113 Bell Mouth 2 2 2 26 4312C037 Motor Fan ICF 280 A100 1 2 2 2 27 43146676 Joint Check 1 1 1 28 43146686 Valve Packed 9 52 1 1 1 29 43146687 Valve 4 Way STF 0401G 1 1 1 30 43146722 Coil Solenoid STF 01AJ502E1 1 1 1 31 43146724...

Page 208: ...207 Inverter Assembly HWS 1103H8 R E 1403H8 R E 1603H8 R E TE TS TO TD TL 712 711 721 710 708 709 717 713 720 715 706 707 720 720 704 714 705 702 718 719 718 719 ...

Page 209: ...lock 3P 20A AC250A 1 1 1 709 43160579 Terminal 30A 4P 1 1 1 710 43060859 Fuse Block 30A 250V FH153 PB 1 1 1 711 4316V416 P C Board Ass y MCC 1596 Comp IPDU 1 1 1 712 4316V391 P C Board Ass y MCC 1597 Fan IPDU 1 1 1 713 3026V015 P C Board Ass y MCC 1599 CDB 1 1 1 714 4316V398 P C Board Ass y MCC 1600 N F 1 1 1 715 43063325 Holder Sensor 1 1 1 717 43160590 Fuse 6 3A AC250V 3 3 3 718 43282001 Bushing...

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