Daikin EWAP 800-C18AJYNN Installation, Operation And Maintenance Manual Download | Manualshive

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Summary of Contents for EWAP 800-C18AJYNN

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Page 2: ... this Manual The entire content is protected by Daikin copyright WARNING Before starting the installation of the unit please read this manual carefully Starting up the unit is absolutely forbidden if all instructions contained in this manual are not clear Key to symbols Important note failure to respect the instruction can damage the unit or compromise operation Note regarding safety in general or...

Page 3: ...y and reliability Manufacturer s service centres are the only having adequate technical skill for maintenance ATTENTION This manual describes the features and standard procedures for the complete series of units All the units are delivered together with electrical diagrams and dimensional drawings with size and weight of each model WIRING DIAGRAM AND DIMENSIONAL DRAWINGS MUST BE CONSIDERED ESSENTI...

Page 4: ...nance without any damages to the chiller or to qualified personnel Nomenclature EWA P 600 AJ YN N A Machine type ERA Air cooled condensing unit EWW Water cooled packaged water chiller EWL Remote condenser water chiller EWA Air cooled chiller cooling only EWY Air cooled chiller heatpump EWC Air cooled chiller cooling only with centrifugal fan EWT Air cooled chiller cooling only with heat recovery R...

Page 5: ... having switched off the power supply No operation on the electrical components is allowed without using insulated platforms no water or moisture should be present All the operation on refrigerant circuit and pressurised components are to be performed by qualified personnel only only Only qualified personnelshould be allowed to perform compressor substitution or oil addition Sharp edges and coil s...

Page 6: ...ring maintenance such as but not only surfaces with no parapet or railings and without adequate space WARNING Both the lifting ropes and the spacer bar and or equalizer bar must be dimensioned to safely support the weight of the machine Check the weight of the unit on the machine identification plate The weights indicated in the Technical Data table in the General Information chapter refer to stan...

Page 7: ...sary guards for evaporator area To obtain the best performance in the location area consider as follows Avoid a short airflow re circulation Take care that obstacles do not obstruct proper airflow To reduce noise and vibration stiff floor is required Avoid dusty ambient for condenser cleanness protection Chiller water must be quite clean oil traces and rust particles have to be removed It is neces...

Page 8: ... devices applying vibration dampening mounts on the water pipes and on the electrical connections Water piping Due to the variety of piping practices it is advisable to follow the recommendations of local authorities They can supply the installer with the proper building and safety codes required for a safe and proper installation Basically the piping should be designed with a minimum number of be...

Page 9: ... pressure drop greater System safety devices such as freeze protection and low pressure protection must be reset Prior to insulating the piping and filling the system a preliminary leak check should be made Evaporator Heat Recovery condenser Freeze Protection All evaporators are equipped with electric heater thermostatically controlled that provide freeze protection down to 28 C However this shoul...

Page 10: ...ersion Standard OPRN OPLN Max ambient temperature 1 C 42 38 Min ambient temperature C 10 2 10 2 Max leaving evaporator water temperature C 10 10 Min leaving evap water temp without glycol C 4 4 Min leaving evap water temp with glycol C 8 8 Max evaporator T C 6 6 Min evaporator T C 4 4 Note 1 Max ambient temperature are referred to units working at full load With higher temperatures the chillers wi...

Page 11: ...ght mm 2520 2520 2520 2520 2520 2520 Unit size C13 C14 C15 C16 C17 C18 Cooling capacity 1 kW 1284 2 1353 5 1426 3 1516 3 1583 0 1649 8 Power input 1 kW 509 1 537 9 564 5 604 3 636 8 669 4 COP 2 52 2 52 2 53 2 51 2 49 2 46 Single screw compressors N 3 3 3 3 3 3 Refrigerant circuits N 3 3 3 3 3 3 Refrigerant charge kg 190 200 220 220 230 245 Oil charge kg 60 60 60 60 60 60 Min of capacity reduction ...

Page 12: ... 1012 1070 1122 1173 Max compressor current 3 A 950 1002 1064 1134 1193 1251 Fans current A 76 80 88 88 92 96 Max unit current 3 A 1026 1082 1152 1222 1285 1347 Max unit inrush current 4 A 1248 1344 1402 1405 1489 1491 Max unit current for wires sizing 5 A 1062 1122 1186 1242 1302 1362 Notes 1 Allowed voltage tolerance 10 Voltage unbalance between phases must be within 3 2 Nominal current are base...

Page 13: ...0 Unit height mm 2520 2520 2520 2520 2520 2520 Unit size C13 C14 C15 C16 C17 C18 Cooling capacity 1 kW 1205 8 1271 3 1346 1 1422 1 1484 7 1547 4 Power input 1 kW 563 5 594 2 618 5 666 7 703 2 739 7 COP 2 14 2 14 2 18 2 13 2 11 2 09 Single screw compressors N 3 3 3 3 3 3 Refrigerant circuits N 3 3 3 3 3 3 Refrigerant charge kg 190 200 220 220 230 245 Oil charge kg 60 60 60 60 60 60 Min of capacity ...

Page 14: ... 2 A 902 947 1053 1125 1182 1238 Max compressor current 3 A 978 1040 1069 1147 1207 1266 Fans current A 44 46 51 51 53 55 Max unit current 3 A 1022 1086 1120 1198 1260 1316 Max unit inrush current 4 A 1265 1354 1386 1393 1484 1482 Max unit current for wires sizing 5 A 1030 1088 1149 1205 1263 1321 Notes 1 Allowed voltage tolerance 10 Voltage unbalance between phases must be within 3 2 Nominal curr...

Page 15: ... C14 C15 C16 C17 C18 Cooling capacity 1 kW 1357 1 1427 1 1497 1 1594 7 1644 4 1729 1 Power input 1 kW 461 9 490 7 519 3 555 2 598 4 617 8 COP 2 94 2 91 2 88 2 87 2 75 2 80 Single screw compressors N 3 3 3 3 3 3 Refrigerant circuits N 3 3 3 3 3 3 Refrigerant charge kg 250 260 275 275 280 285 Oil charge kg 60 60 60 60 60 60 Min of capacity reduction 8 3 8 3 8 3 8 3 8 3 8 3 Condenser fans N of fans N...

Page 16: ... 1078 1121 Max compressor current 3 A 948 1002 1056 1123 1184 1245 Fans current A 100 104 112 112 112 120 Max unit current 3 A 1048 1106 1168 1235 1296 1365 Max unit inrush current 4 A 1232 1332 1406 1407 1486 1489 Max unit current for wires sizing 5 A 1086 1146 1210 1266 1322 1386 Notes 1 Allowed voltage tolerance 10 Voltage unbalance between phases must be within 3 2 Nominal current are based on...

Page 17: ...ize C13 C14 C15 C16 C17 2 C18 2 Cooling capacity 1 kW 1299 3 1365 6 1435 8 1522 5 1586 0 1649 3 Power input 1 kW 499 0 529 9 558 2 600 3 635 0 669 6 COP 2 60 2 58 2 57 2 54 2 50 2 46 Single screw compressors N 3 3 3 3 3 3 Refrigerant circuits N 3 3 3 3 3 3 Refrigerant charge kg 250 260 275 275 280 285 Oil charge kg 60 60 60 60 60 60 Min of capacity reduction 8 3 8 3 8 3 8 3 8 3 8 3 Condenser fans ...

Page 18: ... 2 A 809 852 979 1041 1107 1146 Max compressor current 3 A 948 1003 1053 1127 1189 1251 Fans current A 58 60 64 64 67 69 Max unit current 3 A 1006 1063 1117 1191 1256 1320 Max unit inrush current 4 A 1228 1318 1362 1366 1461 1450 Max unit current for wires sizing 5 A 1044 1102 1162 1218 1277 1335 Notes 1 Allowed voltage tolerance 10 Voltage unbalance between phases must be within 3 2 Nominal curre...

Page 19: ... 5 76 0 C11 C11 76 0 73 0 76 0 72 5 71 0 69 0 60 0 53 0 76 0 C12 C12 77 0 73 5 76 5 73 0 71 5 69 0 60 5 53 5 76 5 C13 C13 77 5 73 0 76 0 73 0 71 5 69 0 60 5 53 0 76 0 C14 C14 77 5 73 5 75 5 73 5 71 0 69 0 60 5 53 0 76 0 C15 C15 78 0 74 0 75 5 73 5 71 5 69 5 60 5 54 0 76 5 C16 C16 78 0 74 5 76 0 73 5 72 0 69 5 60 0 53 5 76 5 C17 C17 78 5 75 0 76 0 73 5 72 5 69 5 60 5 54 0 77 0 C18 C18 78 5 75 5 76 ...

Page 20: ... these readings Variable chilled water flow through the evaporator while the compressors are operating is not recommended Set points are based upon a constant flow and variable temperature Heat Recovery Condenser water flow and pressure drop Heat recovery condensers are supplied without the headers connection on both water side entering and leaving These Headers must be provided by the installer l...

Page 21: ...rator Pressure Drop EWAP AJYNN EWAP AJYNN A Pressure drop kPa Flow rate l s Flow rate l s Pressure drop kPa C16 C17 C18 C16 A C17 A C18 A C13 C14 C15 C13 A C14 A C15 A C12 A C10 A C11 A 900 A 950 A C12 C10 A C11 A 900 950 850 A 800 ...

Page 22: ...7 6 2 M c P o w e r 3 0 0 2 M c P o w e r 3 4 0 3 M c P o w e r 3 7 4 3 M c P o w e r 3 2 0 2 M c P o w e r 3 9 5 3 M c P o w e r 4 1 8 3 M c P o w e r 4 4 5 3 M c P o w e r 4 6 4 3 M c P o w e r 4 7 8 3 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 ST C18 C17 C16 C15 C14 C13 C12 C11 C10 950 900 800 A C18 C17 C16 C15 C14 C13 C12 C11 C10 950 900 850 Flow rate l s Pressure drop kPa ...

Page 23: ...w e r 4 7 8 3 ST C18 C17 C16 C15 C14 C13 C12 C11 C10 950 900 800 A C18 C17 C16 C15 C14 C13 C12 C11 C10 950 900 850 Flow rate l s Pressure drop kPa 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 2 0 0 M c P o w e r 2 2 8 2 M c P o w e r 2 5 5 2 M c P o w e r 2 7 6 2 M c P o w e r 3 0 0 2 M c P o w e r 3 2 0 2 M c P o w e r 3 4 0 3 M c P o w e r 3 7 4 3 M c P...

Page 24: ...fore starting operating or shutting it down During the initial start up of the chiller the DAIKIN technician will be available to answer any questions and instruct in the proper operating procedures It is recommended that the operator maintain an operating log for each individual chiller unit In addition a separate maintenance log should be kept of the periodic maintenance and servicing activities...

Page 25: ... cooling mode in order to compensate the different volume refrigerant side between the coil condenser and the heat recovery condenser The liquid refrigerant passes through the filter dryer to eliminate eventual particle of humidity and through the expansion valve where there are the expansion of the refrigerant In that situation we have the refrigerant mixture of liquid and gas at low pressure ent...

Page 26: ...hillers enabled to work in partial failure condition thanks to the distributed multiprocessor logic system Full routine operation at condition of High ambient temperature value High thermal load High evaporator entering water temperature start up Display of evaporator entering leaving water temperature Display of condensing evaporating temperature and pressure suction and discharge superheat tempe...

Page 27: ...isory systems The controller can be monitored locally or via modem by the supervision programthat runs The supervisory system is the best solution To centralize all the information in just one local and or remote PC To check all the parameters for each unit connected Data logging of temperature pressure Printouts of alarms parameters and graphs To control several plants located in different geogra...

Page 28: ...ature value below the set point allow the first step to switch the four way valve from chiller to heat recovery cycle If the set point temperature is not achieved the microprocessor control insert all the other steps available according to the number of refrigerant circuits On the contrary if the water temperature exceed the set point value the microprocessor control switch off the steps until the...

Page 29: ... 6 In case of lack of water in the heat recovery condenser the unit is automatically switched on cooling mode only Standard controls High pressure control The high pressure switch will shut down the compressor when the discharge pressure exceeds the setting point value Phase voltage monitor The phase voltage monitor is a device which provides protection against three phase electrical motor loss du...

Page 30: ... each compressor For reference how to set this microprocessor see the Specific manual supplied with the unit We report below the most important set up values for references see the microprocessor manual ITEM Description Set Point St1 Inlet water temperature set point Max 50 St2 N A CO Operating Mode 1 P1 Differential Set point 2 P2 N A C4 Authority 0 5 C5 1 C6 0 C7 3 C8 5 C9 0 C10 0 C11 0 C12 20 C...

Page 31: ...to attempting any service on the control centre it is advisable to study the wiring diagram so that you understand the operation system of the water chiller Electrical components do not require particular maintenance other than a monthly tightening of cables Warning The warranty becomes void if the wiring connection to the unit is not in accordance with the specification A blown fuse or tripped pr...

Page 32: ... insulation material Each evaporator has 2 or 3 refrigerant circuits one for each compressor Each evaporator is manufactured in accordance to PED approval Normally no service work is required on the evaporator Heat Recovery Condensers Condensers are shell and clearable through tube types Standard configuration is 2 passes The unit has independent exchangers one per circuit completely assembled Eac...

Page 33: ...nutes or longer so that the condenser fan staging is stabilized at normal operating discharge pressure For best results charge the unit with 2 or more condenser fans operating per refrigerant In case of moisture is noticed in the system through the moisture indicator the system must be evacuated to eliminate the cause of trouble After the trouble solved the system must be dried by making an almost...

Page 34: ...system start the compressor and complete the refrigerant charge 3 If you do not know how much refrigerant has to be added shut off the bottle valve every 5 minutes and continue to charge the refrigerant until the sight glass is clear and free from bubbles Note Do not discharge the refrigerant into the atmosphere To recover it use empty clean and dry bottles The liquid refrigerant recovery can be m...

Page 35: ... the same temperature or the difference between it and the thermometer does not exceed 0 1 C Verify that the flow switch es is are connected to the electrical panel at the terminal blocks M3 8 M3 23 for the evaporator and M3 426 M3 427 for heat recovery condensers if supplied Verify the electrical power connection to the electrical panel and put in OFF position all the switches Switch ON the main ...

Page 36: ...efrigerant circuits Switch off the water pumps Service the unit accordingly to the program In warranty return material procedure Material may not be returned except by permission of DAIKIN Service department A Return Goods tag will be included with the returned material to expedite handling at our factory Return of the parts does not constitute an order for replacement Therefore a purchase order m...

Page 37: ...or correct phasing Check voltage 8 Overloads are manual reset Reset overload at button on overload Clear alarm on Microprocessor 9 Check wiring Repair or replace contactor 10 Determine type and cause of shutdown and correct problem before attempting to restart 11 Check control settings Wait until unit calls for cooling 12 See 6 7 8 above 13 Check circuits for voltage at required points Tighten all...

Page 38: ...ty 2 Evaporator dirty 3 Clogged liquid line filter drier 4 Expansion valve malfunctioning 5 Insufficient water flow to evaporator 6 Water temperature leaving evaporator is too low 7 Evaporator head ring gasket slippage 1 Check liquid line sight glass Check unit for leaks 2 Clean chemically 3 Replace 4 Check expansion valve superheat and valve opening position Replace valve only it certain valve is...

Page 39: ...This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R407C GWP 1 value 1652 5 1 GWP global warming potential The refrigerant quantity is indicated on the unit name plate Periodical inspections for refrigerant leaks may be required depending on European or local legislation Please contact your local dealer for more i...

Page 40: ...ew chillers EWAP 800 C18AJYNN EWAP 850 C18AJYNN A DAIKIN EUROPE N V Zandvoordestraat 300 B 8400 Ostend Belgium www daikineurope com Daikin Europe N V is participating in the EUROVENT Certification Programme Products are as listed in the EUROVENT Directory of Certified Products Daikin units comply with the European regulations that guarantee the safety of the product ...

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