Yoshi Air Water System
Contents
1. YOLVYYdIs 1811 AA los Y HEAD ol lt 99 12 Trouble diagnosis reference WARNING NEVER stop the GHP AWS system by switching off the power supply during the operation Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the unit NEVER switch on the YOSHI AWS power supply after switching on the GHP outdoor unit Failure to observe this prescription could result in malfunction and or damage to the unit The table below shows all the possible failures indicated directly by the YOSHI AWS control panel ALARM TYPE ALARM CODE POSSIBLE CAUSES SOLUTIONS Clean the Y filter Y filter clogged P Check the pressure in the hydraulic Capacity insufficient circuit Flow switch alarm Check the flow switch Remove the air Pressure difference switch alarm Air in the system Pump malfunction Replace the pump Check the pressure differential switch compare the state with the flow switch Check the code displayed on the GHP Press UP for the current alarms and DOWN for those in STAN BY GHP Alarm Check the wiring of the flowswitch Check the operation of the flowswitch Check the layout of plant other pumps make circulate water when not expected Flowswitch tamper alarm Check the operation of the pump the flow switch and pressure differential switch Antifreeze alarm Verify that the offset valu2. has been installed once the set point has been reached and the AWS stops the primary circulation pump halts Otherwise the primary circulation pump continues to run nevertheless the AWS system is in stand by Example of modulation in heating The set point temperature in heating ie the parameter Tset heat may vary in a range between 30 C and 48 C The factory settings are Tset heat 44 C Modulation Range 5 C The table below shows the method of variation of the capacity and a numerical example AWS Capacity Tset heat C Modulation Outlet 96 Range C Modulation a vr ee Temperature C EEE En ME T AAT AT OS TUE AT 0 5 A AT AT 0 75 example on the minimum temperature se pol set point fg sai 28 75 Numerical example on the maximum temperature set point 47 Example modulation in cooling The set point temperature in cooling ie the parameter Tset cool may vary in a range between 6 C and 15 C The factory settings are Tset cool 8 C Modulation Range 5 C AWS Capacity Tset cool C Modulation 96 Range C Modulation C Temperature C A AT AT 0 25 ree A AD ar Lb Numerical example on the minimum nn set I 10 2 Setting the offset The unit YOSHI AWS allows you to adjust the offset of the set point temperature that is the return water temperature on the primary circuit The parameters Tset Offset can be changed in t
3. L1 x 0 170 L2 x 0 110 L3 x 0 054 L1 Liquid pipe 15 9 total length m L2 Liquid pipe 12 7 total length m L3 Liquid pipe 9 52 total length m The value of the variable parameter Q depends on the capacity of the AISIN GHP outdoor unit connected to the YOSHI AWS Use the table below as reference Outdoor unit Installation type Q kg 8 10 13 HP Qaws 41 6 Refrigerant circuit and hydraulic circuit 6 1 Cooling mode The refrigerant R410A processed by the GHP flows through electronic expansion valve and enters the lower part of the AWS unit heat exchanger at low pressure The gas evaporates in the plate heat exchanger by taking heat from the counter current water flow It goes back to the GHP as overheated steam The outdoor unit fans create an air flow through the heat exchanger and thus the refrigerant can condense At the same time the water coming from the buffer tank is cooled and pumped again into the primary circuit by the AWS built in pump Flow switch pressure switch and anti freeze thermo sensor overlook the water temperature never to drop inside the heat exchanger In fact water may freeze and the heat exchanger can be damaged 6 2 Heating mode The refrigerant R410A processed by the GHP enters the upper part of the AWS unit heat exchanger as high pressure overheated steam The gas condenses in the plate heat exchanger by ceasing heat to the co current water flow It goes back to the GHP as hig
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5. m GHP GHP Unit iui 8 HP 19 1x1 0 9 5x1 0 12 7x1 0 10 HP 22 2x1 0 9 5x 1 0 12 7x1 0 GHP Multi Type 13 HP 25 4x1 0 12 7x1 0 15 9x1 0 70 60 20 25 AWS E1 E1J If the distance between GHP and AWS exceeds 40 meters use liquid tube of bigger diameter as indicated in the table The refrigerant gas line for the YOSHI AWS unit must be designed and installed in accordance with the prescriptions here under listed Unita estera Layout example in case of AWS connection If there is a height difference between the locations of indoor and outdoor units be sure to apply trap piping on the vapour line within every 10 m as illustrated Maximum piping length L Relative Actual 70 60m or less When GHP outdoor unit is higher ee ee Height Height difference between indoor unit and than AWS unit difference outdoor unit H When GHP outdoor unit is lower than AWS unit It is forbidden to connect direct expansion indoor units and YOSHI AWS to a single AISIN GHP outdoor unit simultaneously The YOSHI AWS can be only connected to a specific AISIN GHP outdoor unit for AWS with the same capacity Never exceed the maximum accepted distances when connecting the YOSHI AWS to the AISIN GHP outdoor unit Failure to observe this prescription makes the warranty no longer valid and could result in malfunctioning of the YOSHI AWS unit 40 5 3 Refrigerant gas extra charge CAUTION The
6. operating parameters of the module for details regarding the management of the module with the remote control panel refer to the AWS service manual 8 1 2 Probe temperature buffer tank The probe is used to stop the pump when the AWS reaches the set point temperature It must be installed on the tank and connected to the AWS as shown in the drawing 8 2 External probe temperature The probe allows adjustment of the flow temperature of the water according to the temperature of the outside air by means of a 4 20 mA current signal PROBE TEMPERATURE BUFFER TANK Communication line Control panel AWS I Power supply 12 V DC Su Bridge current signal 4 20 mA correct position i EN Brown EP d K gt eee ame mm II Howe 8 en L7 RR Electrical resistance CONTROL PANEL TE 120 Ohm j gt p d AR 2 ER OOOO 2 hr 5 v kl EXTERNAL CET PROBE TEMPERATURE E ze mm THE Da COOL HSE N Power supply 12 V DC 5 e NC JO N Communication line AWS TERMINAL BLOCK Control panel AWS 45 9 Control panel WARNING NEVER change the factory settings cooling and heating set point of the water thermostat Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the unit NEVER disconnect or bypass the YOSHI AWS built in safe
7. refrigerant extra charge must be done in accordance with the procedures described in the 6h AISIN GHP installation manual Failure to observe this prescription makes the warranty no longer no longer valid and could result in malfunctioning of the YOSHI AWS unit WARNING Accurately measure the length of the piping and charge with the proper amount of refrigerant gas Failure to observe this prescription could result in malfunctioning of the YOSHI AWS unit When charging the refrigerant gas make sure to wear proper protective gloves Refrigerant gas leakages can cause frost bites e Always charge the refrigerant as a liquid in the tank In case of charging as a gas may cause a compositional change of the refrigerant and could result in a performance decline or a breakdown e Always use a refrigerant scale when charging the refrigerant Using a charging cylinder may cause a compositional change of the refrigerant could result in a performance decline or a breakdown avoid cross contamination with other oil types make sure to separate maintenance tools according to the type of refrigerant used In particular never use the gauge manifold and charging hose with other refrigerants than R410a After confirming the factory charge on the AISIN GHP label use the following equation to determine the necessary extra amount of refrigerant gas Always refer to the liquid pipe lengths and diameters only Extra charge kg Qaws
8. 20 HP 25 HP Refrigerant pipes diameter AAA Gas 162025HP 810 13 HPP v ERE RENI Hydraulic and refrigerant es _ lea Dimensions W H D mm 710 915 1020 915 BACK VIEW SIDE VIEW FRONT VIEW 3 4 3 Installation space Clearances for maintenance and inspection operations are described in the tables below The minimum installation spaces are necessary to provide room for air circulation inspection and maintenance of the AWS unit Failure to observe this prescription could result in injury to the maintenance personnel and damage to the unit When more units are installed in the same location make sure that nearby walls pipes or other objects are not obstructions for maintenance operations Maintenance space is described in the table below Always provide ample space for inspecting and maintaining the piping for the refrigerant gas and for the water lt Single unit installation gt E B Electric Box 1 m or more 200 mm Always leave at least 500 mm on the right side Always provide 1 m viewed from coupling tubes AWS or more above the AWS unit Multiple units installation When the units are overlapped route the pipes of the upper unit so that all the body panels of the lower unit can be Always leave at least 500 mm on the right side disassembled viewed from coupling tubes AWS Pul 38 5 Refrigerant pipes
9. 5 1 Outline drawing of refrigerant piping WARNING the welding operations on the AWS GHP refrigerant gas piping must be always performed in accordance with instructions and prescriptions mentioned in the AISIN GHP installation manual brazing with nitrogen flow Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the YOSHI AWS unit 8 10 13 HP Condensate drain Exhaust gases Signal lines Outdoor unit Indoor units Power lines Brazed connections _ 2 Fuel pipe Connection port 3 4 Refrigerant gas pipe Connection port Refrigerant liquid pipe Connection port Condensed water Drain port 16 20 25 HP Signal lines Condensate drain Outdoor unit Indoor units Exhaust gases en ia Vin zu A E Brazed connections Fuel pipe Connection port 3 4 Refrigerant gas pipe Connection port Refrigerant liquid pipe Connection port Condensed water Drain port 39 5 2 Piping specifications WARNING YOSHI AWS refrigerant gas connections diameter differs from the ones prescribed for the refrigerant gas line to the AISIN GHP outdoor unit Therefore install proper adapters not supplied Select the proper AWS GHP pipe diameter according to the table below Installation item US s Diameter x Thickness mm Acceptable piping Max height difference m length
10. A MACCHINE 2006 42 CE e successive modifiche MACCHINE DIRECTIVE 2006 42 CE and subsequent modification Y DIRETTIVA BASSA TENSIONE LVD 2006 95 CE e successive modifiche LOW TENSION DIRECTIVE LVD 2006 95 CE and subsequent modification DIRETTIVA COMPATIBILITA ELETTROMAGNETICA EMC 2004 108 CE e successive modifiche ELECTROMAGNETIC COMPATIBILITY DIRECTIVE EMC 2004 108 CE and subsequent modification Loreto 1 Gennaio 2012 Rappresentante Legale the Legal Representative TECNOCASA SRL Via Manzoni 17 60025 LORETO AN Tel 071 977 05 Fax 071 97 8 P IVAIOI yu YOSHISAWS E1 E1J Yoshi Air Water System AWS INSTALLATION MANUAL 8 HP 10 HP 13 HP 16 HP 20 HP 25 HP Models Capacity kW AWS COOLING HEATING Maximum m aa _ HP 265 30 HP aa ax5 E1 E1J Series wm to 5 _ 820 2860 mw 78 B Safety prescriptions The following symbols are used to indicate important instructions Always read understand and follow these instructions carefully Failure to observe the prescriptions indicated with this symbol could result serious injury or death Failure to observe the prescriptions indicated with this symbol could result in A CAUTION damage to the unit 1 This symbol indicates a forbidden action This symbol indicates a This symbol indicates a forbidden action action This symbol indicates a necessary action B Notice for t
11. AWSMAN E1 E1J 1205 IT EN Leggere sempre le istruzioni prima dell installazione Always read the instructions before the installation YOSHI AWS ET E1J Yoshi Air Water System MANUALE DI INSTALLAZIONE INSTALLATION MANUAL 8 10 13 16 20 25 HP O Al termine dell installazione far sempre eseguire il primo avviamento dal Centro di Assistenza Tecnica Autorizzato AISIN di zona After the installation always call the local AISIN Authorised Service Centre to perform the outdoor and indoor units commissioning DICHIARAZIONE CE DI CONFORMITA CE DECLARATION OF CONFORMITY Dati identificativi del fabbricante Identification of the manufacturer Tecnocasa s r l Sede legale Via Manzoni 17 60025 Loreto AN Italia Dichiara che l insieme per la macchina YOSHI AWS Air Water System Declare that the assembly for the YOSHI AWS Air Water System unit AWSO8HP E1 E1J Modelli AWS10HP E1 E1J Matricola vedi targa dati Anno di costruzione vedi targa Models AWS13HP E1 E1J Serial n see product label Year of construction see product label AWS16HP E1 E1J AWS20HP E1 E1J AWS25HP E1 E1J E conforme ai requisiti essenziali di sicurezza delle seguenti direttive Is compliant to the essential safety requirement of the following directives DIRETTIVA PED 97 23 CE e successive modifiche Cat Rischio 1 PED DIRECTIVE 97 23 CE and subsequent modification Cat Risk I gt Y DIRETTIV
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14. e installation of a jolly valve at the higher point of the water piping Failure to observe these prescriptions could result in malfunction and or damage to the unit Always foresee the installation of a buffer tank fitted with anti stratification pipes which size should be adequate to the AWS unit capacity Failure to observe these prescription could result in malfunction and or damage to the unit Always check that the Y shape water filter Supplied with the unit is installed on the primary circuit return pipe In case of multi units plants install one filter each AWS unit Install the filter to not less than 50 cm from suction of the pump Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the unit Welding refrigerant gas and water piping installation should be always performed by specialised technical personnel in accordance with instructions and prescriptions mentioned in the present manual Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the YOSHI AWS unit 34 15 88 19 05 2 Before installation 2 1 Parts provided The following parts are provided with the YOSHI AWS unit Na Installation Control box 2 Y shape filter 2 brass nipless manual wiring agram For water pipe gaskets gaskets Quantity 1 1 1D O Location elec Inside the unit near the water c
15. ensor disconnected N a eee temp ect ox p X 91 2 7 Compressor discharge temp sensor short circuit X X 50 Super cooling heat ex temp sensor disconnected x X 5a Super cooling heat ex temp sensor short circuit Possible cause 5 x x XIX x He lt TE x e 5 x x x x x R R J4 LX o X LX DX X a x x X 53 2 3 temperature Compressor intake temp sensor short circuit sensors 65 0 Heat exchanger liquid pipe temp sensor disconnected J6 Improper harness connection xX 652 e Heat exchanger liquid pipe temp sensor short circuit 6 ES e Sub heat exchanger liquid pipe temp sensor disconnected X xX X 670 on e Outdoor liquid pipe temp sensor disconnected emperature x x x e sensors e Outdoor liquid pipe temp sensor short circuit JA 0 Outdoor unit e High pressure sensor malfunction pressure JJ X X 721 temperature e Engine room temp sensor short circuit x x x 726 e Catalyser temp sensor disconnected c i Se 75 1 3 Igniter voltage e Igniter voltage too low too high LF 84 0 Engine start failure missing supply gas SN EE A ee EI g supply g OX 750 e Unwanted engine stop Lp oq o ox X X X don Eng e Insufficient starting engine speed starter failure 82 0 4 gt e Abnormal engine speed gas mixer failure pe
16. es in summer operation are not excessive Check the temperature probes and their wiring Return temperature Check the probe and the wiring probe alarm Antifreeze temperature probe alarm A7S1 Check the probe and the wiring Use the Carel display Press help and check which component is in alarm Expansion valve driver alarm The heat pump is about to reach the 10 000 hours of operation Need for routine maintenance Maintenance period Contact the service centre Aisin warning The heat pump has reached 10 000 hours of Reset the hours of operation See 82 13 3 operation Need for hours of operation routine maintenance Maintenance period alarm 54 The table below shows all the error codes displayed on the remote controller fitted in the AWS control panel In case of malfunction contact the AISIN Authorised Service Centre that usually maintains the GHP outdoor unit Blinking indication C ON doesn t blink Eus OFF led off init Type of failure Possible cause Error Led TEST Unit display code ON OFF Disp No X X X 63 n Eemal mut e External protection input signal stops the unit P e Remote controller local setting failure Indoor unit e PC board defective Drainimes Direct Expansion version indoor unit drain pump malfunction d 5 gt AWS fl E Suiten Ie AWS version flow switch or antifreeze thermostat switched off Indo
17. h pressure liquid through the bypass pipe The two outdoor unit expansion valves divide the return flow reducing its pressure The GHP manages the evaporation through the heat exchanger and the heat recovery At the same time the water coming from the buffer tank is heated and pumped again into the primary circuit by the AWS built in pump HEATING w COOLING FROM TO GHP FROM TO GHP i 1 Driver expansion valve 7 Water pressure difference switch 2 Check valve 8 Air vent valve 3 Electronic expansion valve 9 Flow switch 4 Water inlet temperature probe 10 Pump not included in the version E1J 5 Water outlet temperature probe 11 Pressure switch expansion valve 6 Plate heat exchanger 42 7 Electric wire installation 7 1 Wiring with GHP outdoor unit Power supply specifications are always mentioned on the YOSHI AWS product label Always check the power supply before installing the unit Always perform the wiring in accordance with the prescriptions listed in the paragraph 0 of the present manual WARNING NEVER connect the YOSHI AWS unit to a common circuit with other appliances Use a dedicated branch circuit protected by an earth leakage breaker Failure to observe this prescription could result in malfunctioning of the unit and hazards for people and or things NEVER ground the unit by connecting the wires to water or gas piping or to a lightning rod NEVER switch on the power
18. he installer This unit has to be installed by specialised technical personnel The installation WARNING must be performed in accordance with the contents of this manual If this unit is not properly installed it will not realize its full performance potential and could cause injury or damage This manual contains technical prescriptions precautions and procedures to installa the YOSHI AWS unit properly It addresses to specialised technical personnel with a basic knowledge of gas heat pumps installation methods Failure to observe the procedures herein indicated could result in malfunction and damage to the unit Before beginning the installation of the YOSHI AWS unit read and fully under stand the contents of this manual After the installation always call the local AISIN Authorised Service Centre to perform the outdoor and indoor units commissioning Tecnocasa s r l declines any responsibility for any damage whatever caused by improper use of the unit and or non compliance with the information contained in this manual Specifications drawings and technical information in this manual are subject to change without notice 31 32 INDEX Technical features SUHILSDECHCaUENS re ai 34 1 1 Installation 34 MEME I A iC Ie AREE TET mm 35 2 1 RAS provide daniele 35 2 2 k caly procured Parse 35 Using a mixture of water a
19. he user menu please refer to the AWS service manual If the optional Controller Plus has been installed of the offset measurement will be made by its active probe installed on the buffer tank The factory settings are Heat Tset Offset 2 C Cool Tset Offset 2 C 48 11 Installation layouts The installation layouts below are just representative of suggested possibilities CAUTION Always refer to technical qualified personnel for designing Further information is available under request by AISIN technical department or on the website www aisin it 11 1 Central storage tank installation This layout is recommended by the manufacturer for fan coil installations to optimise the operation of the AISIN GHP When choosing this layout always make sure that the water flow of the primary and the secondary circuits are balanced Moreover the storage tank must be provided with anti stratification pipes secondary From 11 2 Hydraulic separator installation When choosing this layout make sure that the static pressure of the water pump fitted in the YOSHI AWS unit is enough to win the total pressure drop of the primary circuit In this case it is possible to install horizontal storage tanks gt A Hydraulic nn aS p w From 7 11 3 Single pump installation This layout is recommended by the manufacturer for Air Handling Unit AHU installations Make sure that the s
20. hich are not compliant with those listed in the present manual Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the unit The installation of the unit must comply with national and local codes Failure to observe this prescription could result in illegal act The manufacturer specifically disclaims any liability whatsoever for any claims by any party if any of the procedures in this Installation Manual have not been followed Failure to observe this prescription makes the warranty no longer valid 35 3 Using a mixture of water and glycol Use mixtures of water and antifreeze fluid to lower the freezing point of water The liquid most commonly used as antifreeze is ethylene glycol The table shows the reduction factors of the cooling capacity and the capacity of the pump of the AWS as a function of the water temperature and percentage by weight of glycol in the mixture Water Glycol Reduction factor of the Reduction factor of the cooling capacity pump flowrate __ 6 O _____ ____ 0 80 4 Installation 4 1 Selecting the location for installation WARNING The unit MUST be installed where flammable gas is generated accumulated or handled Failure to observe this prescription could result in damage of the unit injury fire or explosion The AWS unit is for outdoor and indoor installation Read the present manual carefully to select a pro
21. j Drop pressure plate heat exchanger Le 8 e 2 8 86 Water circuit 1 1 Water pipes connection Each AWS unit is delivered with 2 8 fittings to be installed if necessary Primary circuit nen 2 or higher pipes diameter Each AWS unit is fitted with a 2 Y shape filter to be installed on the primary circuit Refrigerant gas connection 286 127 28 6 18 0 gas liquid Refrigerant circuit GHP AWS pipes diameter gas liquid Height 915 19 1 9 222 95 25 4 12 7 28 6 12 7 28 6 15 88 35 15 e 264 m 1020 710 With Pump Without Pump 164 153 204 177 Connectable GHP outdoor units Each AWS unit can be connected with a single AISIN GHP outdoor unit Rated cooling capacity is measured according to the following conditions water outlet temperature 7 C outdoor temperature 35 C DB Rated heating capacity is measured according to the following conditions water outlet temperature 47 C outdoor temperature 7 C DB 6 C WB A version fitted with 230V single phase 60 Hz is available upon order If the distance between GHP and AWS exceeds 40 meters install a pipe with the diameter indicated in brackets Installation prescriptions CAUTION Always foresee the installation of an emergency relief valve and a properly dimensioned expansion vessel These devices are not built in the AWS unit Where the storage tank should be installed lower than the AWS unit foresee th
22. n tiere ee 49 MES lt male RE la 49 11 4 HVAC installation layout AWS E1 internal pUMpP sss 50 11 5 HVAC installation with proportional distribution of consumption 51 11 6 HVAC installation with pump external variable flow rate 52 11 7 HVAC installation a variable flow rate nenn nenenene 53 12 Trouble diagnosis reference s c el 54 33 1 AWS unit specifications AWS AWS AWS AWS AWS AWS cue BE HPE GHPEI 20PEY 25HPE E1J E1J E1J E1J E1J La mm poss ap fm Capacity code of the connected GHP outdoor unit code ______ code of the connected GHP outdoor unit the connected GHP outdoor unit w 285 30 as 45 0 0 outa BST 5085001 BS s 55 00 mh 45 45 60 75 95 120 Rated heating ek Flow rate a Capacity modulation rate cooling min max kW 10 0 21 0 10 0 26 5 10 0 33 5 17 0 41 0 17 0 52 0 17 0 63 5 Capacity modulation rate heating min max kW 130235 120 300 12 0 37 5 19 8 47 5 19 8 60 0 19 8 75 0 19 8 75 0 Version without Powerconsumption Starting current BE Available static pressure Ce 9 Power supply V Ph Hz 230 TE Power supply V Ph Hz 230 1 50 Sg dg Pump AWS E1J Starting current y
23. nd glycol i 36 AWS unit installation 4 salda a ELE 36 4 1 Selecting the location for installatiON ii 36 4 2 External dimensions hydraulic and refrigerant gas connections 37 4 3 aaa 38 9 Remgerant DES cidad ita 39 5 1 Outline drawing of refrigerant piping nenn anne 39 5 2 PIPINO SDECINCAIONS ee en 40 5 3 Refrigerant gas extra iii 41 6 Refrigerant circuit and hydraulic circuit pp 42 6 1 COOMMG MODES E 42 6 2 Hegang A Tx 42 AWS unit wiring f inre da donus diu Fe a T 43 7 1 Wiring with GHP outdoor unit for AWS nenn ernennen 43 7 2 Detalle WING TT 44 8 ACCOSSOMES AI Oti a 43 8 1 Controller Plus control panel and probe temperature buffer 44 94 COMMON Dane laa 44 8 1 2 Probe temperature buffer tank aa 44 8 2 External DIODE temperature 0 AA ice Re her ede 44 9 Contro DAMS nee nenne eins 46 10 AAGIUSTIMENE AVY S SEU DOIN Dana 47 1021 AGORMO ille cali 49 10 27 eltlhgoihesolsel baita 49 TT installation AVONS taal ESSE ea 49 11 1 Gentral Storage tank installation sla 49 11 2 separator installatio
24. onnections control panel Always store the manuals in a Refer to the prescriptions of this manual dry and safe place for the installation of the accessories 2 2 Locally procured parts The following items are required for installing the YOSHI AWS unit ___ Application _____ bolt For installing the AWS unit on the ground M8X4 Washer Nuts For installing the AWS unit on the ground 8X4 Ant vibrant carpet vibrant Ant vibrant carpet For For installing the unit on metal bars or on the roof the unit on metal bars or on the For installing the unit on metal bars or on the roof Copper pipe and fittings for i gas piping water materials and procedures are described in the present manual For refrigerant gas and water pipe insulation AWS unit power supply ground wiring communication and accessories wiring Electrical wires proper size and wire specifications are described in the GHP outdoor unit installation manual R410a refrigerant gas precision scale and gauge manifolds Refrigerant circuit extra charge refrigerant extra charge is described in the present manual Oxy acetylene welding kit Gas bottles nozzle and copper bars to weld refrigerant pipes the procedure is described in the GHP outdoor unit installation manual the procedure is described in the GHP outdoor unit installation manual Pipe cutter Refrigerant gas piping installation WARNING Never use parts w
25. or unit fan e Fan motor blocked Indoor unit swing e Swing flap motor malfunction Indoor unit LEV malfunction AF ON OFF x 30 n Drame e Improper drain piping installation inverse draft di e Pipe clogged Air cleaning e Indoor unit circuit boar malfunction e Capacity setting failure C4 X X X 18 n e Heat exchanger temperature sensor failure e Improper harness connection C5 X X X 19 n e Gas pipe temperature sensor failure ss e Improper harness connection temperature Direct Expansion version Intake air temperature sensor failure sensors i 2 e AWS version Resistors group failure e Improper harness connection e Exhaust air temperature sensor failure CJ ON OFF X 17 n R C temperature R C temperature sensor failure sensor e Improper harness connection UA X X X Commarea 1 Outdoor unit power supply OFF e Outdoor unit indoor unit transmission error X X X dom Communication e Duplicating main remote controller connection U5 e Transmission error OFF ON OFF Remote e Remote controller PC board failure controller e Remote controller setting failure U8 X X OFF PC board e Transmission error between main and sub remote controller U9 X X X Cenisio e Transmission error between two indoor units e Transmission error between outdoor and indoor unit e Address duplication of central remote controller S Central remote e Air net address duplication of indoor units remote controller UH Communication Improper wiring e Indoo
26. per installation location Make sure maintenance space is provided around the unit If the unit is installed at high location provide a safe access by installing ladders or railings for the operator e Always install the AWS unit in an area where its smooth operating noise and small vibration won t be a disturb for the neighbours particularly in residential areas Comply to local standards where prescribed e Always install the AWS unit in a level location where rainwater cannot accumulate Provide proper drain routes e Always install the AWS unit in a location where it won t be exposed to strong winds Provide proper anchor bolts e The AWS unit might cause slight interference with other electrical equipment such as televisions radios computers and telephones Provide proper clearances e lf the AWS unit is installed in a region with heavy snowfall install a snow protection hood The base for the unit is high enough to avoid accumulation of snow in front of the body panels Allocate the route for loading unloading the unit materials and parts for maintenance at the installation site 36 4 2 External dimensions hydraulic and refrigerant gas connections The table below shows the diameters of the water connections refrigerant piping diameters and their position in the various models of AWS TECHNICAL DATA Water pipe connections 2 or higher HP Refrigerant gas 8 10 13 HP 16 20 25 mm 10 HP 13 HP 16 HP
27. r unit address setting failure eee 409 2 oe N T w rh 5 e EEPROM failure or program failure X X X 84 3 4 PC board e Outdoor unit PC board malfunction i e Transmission error between microcomputer e Heat exchanger fan 1 2 3 failure EA X X X 57 0 4 way valve e 4 way valve failure e Harness disconnection Operation failure e Engine coolant overheating temperature gt 105 C 99 Engine coolant e Engine coolant pump failure Blinking indication GHP outdoor Type of failure E ON doesn t blink OFF led off Error Led TEST es one code ON OFF Disp No 87 0 2 e Compressor intake temperature too high gt 40 C FE X X X 81 0 Enaine oil bnormal engine oil pressure 9 e Engine oil level insufficient FF X X X 58 0 e Refrigerant oil supply valve failure P e Improper harness connection Catalyser e Catalyser overheating where provided 3 High pressure e High pressure switch malfunction HA X X X 88 2 Low pressure e Low pressure switch malfunction switch e Improper harness connection e Outdoor temperature sensor malfunction H9 61 0 e Improper harness connection X X X 641 en e Outdoor temperature sensor short circuit HC 70 0 e Engine coolant temperature sensor malfunction e Improper harness connection HC e Engine coolant temperature sensor short circuit HS X X X 802 Engine coolant e Engine coolant level insufficient 78 1 5 Compressor discharge temp s
28. supply before the final commissioning is performed by the AISIN Authorised Service Centre Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the YOSHI AWS unit All electrical installation work must be performed by specialised technical personnel in accordance with the local and national installation standards A declaration of conformity must be provided by the installer Failure to observe this prescription could result in electrical shock fire or other hazards Switch off the main circuit breaker or power meter during the electrical installation work of the YOSHI AWS unit Always use the designated cable for wiring including the ground wiring according to the national standards Always check the power supply specifications on the YOSHI AWS unit Failure to observe this prescription could result in malfunction and or damage to the YOSHI AWS unit ELECTRICAL LEAKAGE BREAKER Outdoor unit terminal block CONTACT H C ELECTRICAL LEAKAGE rr El BREAKER communication line outdoor unit AWS O O communication line outdoor unit outdoor unit NOT AVAILABLE WITH AWS Q1 02 electrical terminals present only on GHP 16 20 25 HP Terminals can be used only for direct expansion Never supply the unit with three phase power 43 7 2 Detailed wiring diagram 5119 JslloJuoo eued uoneoiunuiuo2 9NYO TNVO HNYO A
29. tatic pressure of the water pump fitted in the YOSHI AWS unit is enough to win the total pressure drop of the whole circuit 7 IR To HA AHU er rom DT 49 11 4 HVAC installation layout AWS E1 Internal Pump EMERGENCY RELIEF VALVE COUPLING CUT OFF VALVE CHECK VALVE BALANCING VALVE EXPANSION VESSEL ANTISTRATIFICATION PIPE 2 DRAUGHT GAUGE 3 THERMOMETER FLOAT VALVE TOPPING UP FROM SUCTION OF THE PUMP E c un En 07 LU bh e ke BL Es SN al N E x x gt AL AAA N panne PA NM IPR v X LOS P AA eh 5 PAR Ye a CAPTAR PL PLI HIR AXGPFIDEI 25 gt u ER e y APLI EIA 90 11 5 HVAC installation with proportional distribution of consumption Jesi Jess 7 asp J3sf T1 1 p ddld NOUVIIIVAISUNY vl 1 RR JdnuvsddMiL 39099 ANM INO OL a e 321430 9NIQJO234 VIVO AIYIN3 dim JHL 4G Nes LIONS IND 4E 05 NYHLSS311OM OL HILT JHL TI LSM INNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNA z b P am Fade 500 GL E DR N JO HOSIU e E ae 2 nur LAWM ANO SS dE SAMOS WL To OSEE IHSO LE
30. ty devices for a forced operation of the unit Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the unit NEVER change the factory settings of the remote controller fitted in the control panel Failure to observe this prescription could result in malfunction and or damage to the unit NEVER switch on the power supply before the final commissioning is performed by the AISIN Authorised Service Centre Failure to observe this prescription makes the warranty no longer valid and could result in malfunction and or damage to the YOSHI AWS unit Some operation parameters of the YOSHI AWS can be changed under request to the AISIN Authorised Service Centre Failure to observe this prescription makes the warranty no longer valid In case of multiple units installations it is possible to manage a proportional distribution of the capacity by an external optional device The built in water thermostat always indicates the return temperature of the primary circuit NEVER SET THE VALUE BELOW 8 C The YOSHI AWS control panel is represented below In case of AISIN GHP outdoor unit malfunction the error code will be displayed on the remote controller fitted in the YOSHI AWS control panel Check the failure type on the AISIN GHP installation manual The water thermostat factory settings are COOL mode T set cool 8 C HEAT mode T set heat 44 C The YOSHI AWS has the follo
31. wing safety built in devices Pressure difference switch the AISIN GHP outdoor unit stops in case of missing pressure difference between inlet and outlet of the pump Flow switch the AISIN GHP outdoor unit stops in case of insufficient water flow in the primary circuit Antifreeze thermostat In the summer the AISIN GHP outdoor unit stops in case of water temperature in the primary circuit below 5 C In the winter the pump is started when the water temperature is below 5 C and if necessary also the GHP is started Pump overload switch the YOSHI AWS pump stops in case of overheating of the pump itself 46 10 Adjustment AWS Set Point 10 1 Control panel The unit AWS YOSHI has the possibility to vary the capacity delivered in a range between 25 and 100 of rated power as a function of the return water temperature on the primary circuit The modulation of the capacity is adjusted according to a proportional band Just adjust the temperature set point on the user menu on the control panel that is the parameters Tset and the proportional band width Range modulation parameter As the return water temperature on the primary approaches the set point the AWS capacity is reduced of 25 Once the set point is reached and exceed the system makes 6 consecutive temperature checks one every each 10 seconds If during these controls the temperature never goes below the set point the AWS stops If the optional Plus Controller
32. x x x e Supply electro magnetic gas valves failure PF X X X 600 Starter Starter failure X X 53 0 1 Outdoor unit Compressor intake temp sensor disconnected x xX x xX x x J7 e Sub heat exchanger liquid pipe temp sensor short circuit x x N CD E X X XX X X X Xx X X X KX x x x EE TEM X 40 6 Communication e master slave outdoor unit communication failure _ 43 0 1 Indoor unit e Over connection of capacity units UA X 44 number e Too many indoor units connected x x x x 56 NOTE 57 58 59 YOSHI Experience amp Technology CE SAISIN ame me ml gt ANIMA
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