Frigicoll Kaysun KEM-30 DRS4 Owners And Installation Manual Download

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IMPORTANT NOTE:

Original instructions

Thank you very much for purchasing our air conditioner,

Before using your air conditioner, please read this manual carefully and keep it for future reference.

KEM-30 DRS4

KEM-60 DRS4

OWNER'S & INSTALLATION MANUAL

DC Inverter Air-cooled Modular Chiller

Summary of Contents for Kaysun KEM-30 DRS4

Page 1: ...you very much for purchasing our air conditioner Before using your air conditioner please read this manual carefully and keep it for future reference KEM 30 DRS4 KEM 60 DRS4 OWNER S INSTALLATION MANU...

Page 2: ...on 08 6 4 Installation of damping devices 08 6 5 Installation of device to prevent snow build up and strong breeze 09 7 CONNECTION DRAWING OF PIPELINE SYSTEM 10 8 OVERVIEW OF THE UNIT 8 1 Main parts o...

Page 3: ...irst startup after shutdown 33 11 8 Refrigeration system 33 11 9 Disassembling compressor 33 11 10 Auxiliary electric heater 33 11 11 System antifreezing 33 11 12 Replacement of safety valve 34 11 13...

Page 4: ......

Page 5: ...power supply is 380 415V 3N 50Hz the minimum allowable voltage is 342V and the maximum voltage is 456V 2 To maintain better performance please operate the unit under the following outdoor temperature...

Page 6: ...s also used to alert against unsafe practices Indicates situations that could only result in accidental equipment or property damage Explanation of symbols displayed on the indoor unit or outdoor unit...

Page 7: ...ls electric shocks or fire After completing the installation work check to make sure that there is no refrigerant leakage Never directly touch any leaking refrigerant as it could cause severe frostbit...

Page 8: ...ans in accordance with national wiring regulation and this circuit diagram An all pole disconnection device which has at least 3mm separation distance in all pole and a residual current device RCD wit...

Page 9: ...and copper pipes 4 If the unit is within the reach of unauthorized personnel take protective measures for safety considerations such as installing a fence These measures can prevent man caused or acci...

Page 10: ...ine dimensional of KEM 30 DRS4 6 1 2 KEM 60 DRS4 B Left view Front view E D F A C Top view Fig 6 2 Outline dimensional of KEM 60 DRS4 Table 6 1 Model KEM 30 DRS4 KEM 60 DRS4 A 1870 2220 B 1000 1325 C...

Page 11: ...rsian blinds are required the total loss of static pressure should be less than the static pressure outside the fan The space between the unit and sunk fence or Persian blinds should also meet the req...

Page 12: ...is directed away from roadways and footpaths especially in locations where the climate is such that condensate may freeze unit mm Drainage channel Anchor bolt Inlet and outlet pipe side Electric cont...

Page 13: ...w 1 Measures to prevent build up of snow The base height should be as least the same as the predicted snow depth in the local area Outdoor unit Base height Fig 6 10 Snow prevention base height 2 Light...

Page 14: ...ain valve Two way valve Three way valve Terminal Auxiliary electric heater unit unit Y type filter requiring 40 meshes unit Fig 7 1 Connection drawing of pipeline system 8 OVERVIEW OF THE UNIT 8 1 Mai...

Page 15: ...r 1 Door 2 Door 3 Door 4 Fig 8 3 Doors of KEM 30 DRS4 Door 1 give access to the compartment of water pipes and water side heat exchanger Door 2 3 4 give access to the hydraulic compartment and electri...

Page 16: ...sure switch 28 Fast oil return solenoid valve 7 Oil separator 29 Low pressure switch 8 4 way valve 30 Filter 9 System pressure sensor 31 Capillary 10 DC fan 32 Outdoor ambient temperature sensor 11 Co...

Page 17: ...erature control switch 1 33 Suction temperature sensor 8 Discharge temperature control switch 2 34 Low pressure switch 9 One way valve1 35 Filter 10 One way valve2 36 Capillary 11 High pressure switch...

Page 18: ...ted only in the early period after the power supply is connected and they are not detected while the unit is in operation 2 CN12 Quick return oil solenoid valve 3 CN5 EVA HEAT Water side heat exchange...

Page 19: ...erature sensor of the condenser T5 water tank temperature sensor T6A Refrigerant inlet temperature of EVI plate heat exchanger T6B Refrigerant inlet temperature of EVI plate heat exchanger 24 CN16 Sys...

Page 20: ...ntrol valid for S12 2 ON S12 3 Normal cooling mode valid for S12 3 OFF factory default Low temperature cooling valid for S12 3 ON 41 CN7 TEMP SW Target water temperature switching port 42 ENC2 POWER D...

Page 21: ...nnecting the power supply Please carefully read the labels on the electric cabinet The user s attempt to repair the controller is prohibited since improper repair may cause electric shock damages to t...

Page 22: ...Electrical wiring precaution c d Power wiring must be entrusted to professionals with electrician qualification Fig 8 9 4 Electrical wiring precaution d 8 5 5 Power supply specification Table 8 6 Ite...

Page 23: ...current Grounding 3 Grounding 2 Grounding 1 Grounding wire Lightning arrester Power distribution transformer Manual switch Fuses Power 380 415V 3N 50Hz Unit Fig 8 10 Requirements of power supply wirin...

Page 24: ...to monitor the state of com pressor When the compressor is operating the light will be powered on The wiring of water pump and pipeline auxiliary heater and ac light of the state of compressor is as...

Page 25: ...o the ALARM ports of the module units as follows electric control box ALARM port Device provided by user Fig 8 16 Wiring of ALARM port If the unit is operating unnormally the ALARM port is closed othe...

Page 26: ...ry heater according to the actual parameter of products and national Contactor Contactor Power Transformer AC220 240V AC 8 5 V CN2 CN60 IRU SLSHOLQH CN74 CN61 0 1 21752 5 21752 5 CN60 CN74 CN61 5 5 5...

Page 27: ...0V AC 8 5 V CN2 CN60 IRU SLSHOLQH CN74 CN61 0 1 21752 5 21752 5 CN60 CN74 CN61 5 5 5 5 021 725 5 21752 5 CN60 CN74 CN61 5 5 5 5 021 725 5 21752 5 7 7 20 7 X Y X Y X Y 203 67 7 3803 1 CN83 7 CN30 7 7 C...

Page 28: ...chased by the user k All low positions of the water system should be provided with drainage ports to drain water in the evaporator and the system completely and all high positions should be supplied w...

Page 29: ...c 1 1 4 KEM 60 DRS4 Hoop connection DN50 Fig 8 20 connection mode of KEM 30 DRS4 pipe Fig 8 21 connection mode of KEM 60 DRS4 pipe 8 6 3 Design of the store tank in the system kW is the unit for cooli...

Page 30: ...water resistance h2 Pump water resistance h3 Water resistance of the longest water loop distance includes pipe resistance different valve s resistance flexible pipe resistance pipe elbow and three way...

Page 31: ...24 Installation of multi module no more than 16 modules 2 Table of diameter parameters of main inlet and outlet pipes Table 8 10 Cooling capacity Total inlet and outlet water pipe inside nominal diam...

Page 32: ...up at low outdoor ambient temperatures During initial start up and when water temperature is low it is important that the water is heated gradually Failure to do so may result in concrete floors crack...

Page 33: ...a fault code If a fault occurs remove the fault first and start the unit according to the operating method in the unit control instruction after determining that there is no fault existing in the unit...

Page 34: ...A system discharge temperature sensorfailure Recovered upon error recovery 2Ed B system discharge temperature sensor failure Recovered upon error recovery 16 EF Unit water return temperature sensor fa...

Page 35: ...system B 68 F7 Not insert electronic expansion valve Recovered by power off 70 xF9 Inverter module temperature sensor error x 1 means Tfin1 x 2 means Tfin2 72 Fb Pressure sensor error Recovered upon...

Page 36: ...nt air conditioner errors which bring inconvenience to your life and work 2 Maintenance of main parts Close attention should be paid to the discharge and suction pressure during the running process Fi...

Page 37: ...d water circulate and start up unit and make the low pressure control switch short circuit if necessary Slowly inject refrigerant into the system and check suction and discharge pressure 11 9 Disassem...

Page 38: ...et of safty valve 7 8 UNF Fig 11 1 Replacement of safety valve WARNING The air outlet of safety valve must be connected to the appropriate pipe which can direct the leaking refrigerant to the appropri...

Page 39: ...ately ventilated before breaking into the system or conducting any hot work A degree of ventilation shall continue during the period that the work is carried out The ventilation should safely disperse...

Page 40: ...detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe...

Page 41: ...oning it is recommended good practice that all refrigerants are removed safely When transferring refrigerant into cylinders ensure that only appropriate refrigerant recovery cylinders are employed Ens...

Page 42: ...pressure 5 Check running current 6 Whether unit has been through refrigerant leakage test 7 Whether there is noise on all the panels ofunit 8 Check whether the main power source connection iscorrect R...

Page 43: ...ressure switch freeze proof device water flow volume controller Overcurrent device power phase sequence device etc Refrigerant Type R 32 Water pipe system Charging volume kg 7 9 14 0 Waterflow volume...

Page 44: ...0 Tj 25 C Pdc 13 15 kW Tj 25 C EERd 5 35 Tj 20 C Pdc 6 58 kW Tj 20 C EERd 6 90 Degradation co efficient for chillers Cdc 0 90 Power consumption in modes other than active mode Off mode POFF 0 02 kW Cr...

Page 45: ...3 86 kW Tj 25 C EERd 4 50 Tj 20 C Pdc 11 72 kW Tj 20 C EERd 5 04 Degradation co efficient for chillers Cdc 0 9 Power consumption in modes other than active mode Off mode POFF 0 030 kW Crankcase heater...

Page 46: ...operating limit temperature WTOL C Cycling interval capacity for heating at Tj 2 C Pcych kW Cycling interval efficiency at Tj 7 C COPcyc Degradation coefficient 4 at T 2 C Cdh Cycling interval capacit...

Page 47: ...t T 7 C Cdh Heating water operating limit temperature WTOL C Cycling interval capacity for heating at Tj 2 C Pcych kW Degradation coefficient 4 at T 2 C Cdh Cycling interval efficiency at Tj 7 C COPcy...

Page 48: ......

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