Kaysun KEM-HT-75 Owners & Installation Manual Download Page 2

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ACCESSORIES

.......................................................................................................................01

1 INTRODUCTION

• 1.1 Use conditions of the unit .................................................................................................01

2 SAFETY CONSIDERATION

...........................................................................................02

3 BEFORE INSTALLATION

• 3.1 Handling of the unit ..........................................................................................................04

4 IMPORTANT INFORMATION ON REFRIGERANT

.............................................05

5 SELECTION OF INSTALLATION SITE

....................................................................05

6 PRECAUTIONS ON INSTALLATION

•

6.1 Outline dimensional drawing

............................................................................................06

• 6.2 Requirements of arrangement space of the unit ..............................................................07

• 6.3 Installation foundation ......................................................................................................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 of the uint ........................................................................................................ 11

• 8.2 Opening the uint ...............................................................................................................12

•

8.3 Outdoor unit PCBs

...........................................................................................................13

•

8.4 Electric wiring

...................................................................................................................16

• 8.5 Water system installation .................................................................................................23

9 STRAT-UP AND CONFIGRUATION

...........................................................................27

10 TEST RUN AND FINAL CHECK

•

10.1 Check item table after installation

..................................................................................28

• 10.2 Trial run ..........................................................................................................................28

CONTENTS

Summary of Contents for KEM-HT-75

Page 1: ...anual carefully and keep it for future reference The figure shown in this manual is for reference only and may be slightly different from the actual product KEM HT 65 DRS5 KEM HT 75 DRS5 KEM HT 110 DR...

Page 2: ...rangement space of the unit 07 6 3 Installation foundation 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 PI...

Page 3: ...arts 31 11 7 First startup after shutdown 32 11 8 Refrigeration system 32 11 9 Disassembling compressor 32 11 10 Auxiliary electric heater 32 11 11 System antifreezing 32 11 12 Replacement of safety v...

Page 4: ...t water temperature C Outlet water temperature C Fig 1 1 1 Cooling operating range Fig 1 1 2 Heating operating range 65KW 110KW HEATING Low leaving water temperature mode can be set by wired controlle...

Page 5: ...d to alert against unsafe practices NOTE Indicates situations that could only result in accidental equipment or property damage DANGER Explanation of symbols displayed on the indoor unit or outdoor un...

Page 6: ...the wires so that the front panel can be securely fastened If the front panel is not in place there could be overheating of the terminals electric shocks or fire After completing the installation work...

Page 7: ...g regulation and this circuit diagram An all pole disconnection device which has at least 3mm seperation distance in all pole and a residualcurrent device RCD with the rating not exceeding 30mA shall...

Page 8: ...s 4 If the unit can be achieved by unauthorized personnel take protective measures for safety considerations such as installing a fence These measures can prevent man caused or accidental injuries and...

Page 9: ...wing Front view Left view Top view Fig 6 1 Outline dimensional Table 6 1 Model 65KW 110KW A 2000 2220 B 960 1135 C 1770 2300 D 816 910 E 190 185 F 269 270 After installing the spring damper the total...

Page 10: ...less than the static pressure outside the fan The space between the unit and sunk fence or Persian blinds should also meet the requirement 3 If the unit needs to operate in winter and the installatio...

Page 11: ...densate is directed away from roadways and footpaths especially in locations where the climate is such that condensate may freeze unit mm Inlet and outlet pipe side Drainage channel Anchor bolt Electr...

Page 12: ...snow 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 9 Snow prevention base height 2 Li...

Page 13: ...fferential pressure by pass valve Auxiliary electric heater Auxiliary electric heater Auxiliary electric heater Drain valve Drain valve Plate exchanger Drain valve Drain valve Drain valve Air conditio...

Page 14: ...ced on the main outlet pipe The hot water tank and the hot water exchange pump of the unit use the CN125 220V port control switch on the slave board of the 0 unit pump output is controlled through CN1...

Page 15: ...e heat exchanger Cover 4 give access to the electrical parts Cover 5 6 give access to the hydraulic compartment Cover 1 Cover 2 Cover 3 Cover 6 Cover 5 Cover 4 Fig 8 4 Doors of 110KW Cover 1 2 3 give...

Page 16: ...ter all modules stop operating 3 In case of shutdown under the pump mode the pump can be directly shut down 4 CN74 CN67 CCH Crankcase heater 5 CN75 CN66 EVA HEAT Electric of water side heat exchanger...

Page 17: ...72 EXVC EVI electronic expansion valve Used for EVI 31 CN70 EXVA System electronic expansion valve1 32 CN71 EXVB System electronic expansion valve2 Used for cooling 33 SW3 Up button a Select different...

Page 18: ...ipeline Auxiliary Heater HEAT2 Hot Water Tank Auxiliary Heater Attention the control port value of the pump actually detected is ON OFF but not 220 240V control power supply so special attention shoul...

Page 19: ...ase don t repair the controller by yourself since improper operation may cause electric shock damages to the controller and other bad results If the unit need repair please contact the maintenance cen...

Page 20: ...8 8 3 Electrical wiring precaution c d Power wiring must be entrusted to professionals with electrician qualification Fig 8 8 4 Electrical wiring precaution d 8 4 5 Power supply specification Table 8...

Page 21: ...tning arrester Surge current Grounding wire Grounding wire Grounding 3 Grounding 3 Grounding 2 Grounding 2 Grounding 1 Grounding 1 Building Do not connect the grounding wire of the lightning arrester...

Page 22: ...ON OFF must be set by DIP switch The remote function of ON OFF is effective when S1 1 or S5 3 is chosen ON at the same time the wired controller is out of control Corresponding parallel connect the O...

Page 23: ...is closed otherwise the ALARM port is open The ALARM ports are on the main control board See the wiring diagram for details 8 4 13 Control system and installation precautions a Use only shielded wires...

Page 24: ...POWER POWER 380 415V 3N 50Hz RVV 300 500 5X16mm 2 RWP 300 300 3X0 75mm 2 RVV 300 500 2X1 0mm 2 RVVP 300 300 3X0 75mm 2 PUMP Contactor Over current relay POWER 380 415V 3N 50Hz The metal plate of cont...

Page 25: ...X16mm 2 RWP 300 300 3X0 75mm 2 RVV 300 500 2X1 0mm 2 RVVP 300 300 3X0 75mm 2 PUMP Contactor Over current relay POWER 380 415V 3N 50Hz The metal plate of contactor installation box should be grounded M...

Page 26: ...can be cut off without disturbing other heat exchangers i The flexible ports should be adopted between the interface of the heat exchanger and on site pipeline to reduce transfer of vibration to the b...

Page 27: ...110KW Hoop connection DN65 Fig 8 19 8 5 3 Design of the store tank in the system kW is the unit for cooling capacity and L is the unit for G water flow in the formula counting the minimum water flow C...

Page 28: ...h1 h2 h3 h4 H The lift of the pump h1 Main unit water resistance h2 Pump water resistance h3 Water resistance of the longest water loop distance includes pipe resistance different valve s resistance...

Page 29: ...ation of multi module no more than 16 modules 2 Table of diameter parameters of main inlet and outlet pipes Table 8 9 Cooling capacity Total inlet and outlet water pipe inside nominal diameter 15 Q 30...

Page 30: ...stalled For specific wiring see figure 8 18 9 STRAT UP AND CONFIGRUATION 9 1 Initial start up at low outdoor ambient temperatures During initial start up and when water temperature is low it is import...

Page 31: ...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 32: ...failure recovery 16 EP Discharge sensor failure alarm Recovered upon failure recovery 17 EU Tz sensor failure Recovered upon failure recovery 18 P0 P0 System high pressure protection or discharge temp...

Page 33: ...ry 49 xL2 high voltage protection x 1or 2 1 for Compressor A 2 for Compressor B Recovered upon error recovery 50 xL4 MCE error x 1or 2 1 for Compressor A 2 for Compressor B Recovered upon error recove...

Page 34: ...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 35: ...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 Connection mu...

Page 36: ...safety valve liquid vapor separator Fig 11 1 Replacement of safety valve The air outlet of safty valve must be connected to the appropriate pipe which can direct the leaking refrigerant to the appropr...

Page 37: ...ng the period that the work is carried out The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere 8 Checks to the refrigeration equipmen...

Page 38: ...Leak 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 p...

Page 39: ...bers of cylinders for holding the total system charge are available All cylinders to be used are designated for the recovered refrigerant and labelled for that refrigerant i e special cylinders for th...

Page 40: ...111111 1111111 Suction pressure 1111111 1111111 1111111 1111111 1111111 5 Check running current 1111111 1111111 1111111 1111111 1111111 6 Whether unit has been through refrigerant leakage test 1111111...

Page 41: ...ure switch freeze proof device water flow volume controller Overcurrent device power phase sequence device etc Refrigerant Type R32 Chargeing volume kg 9 0 15 5 Water pipe system Water flow volume m3...

Page 42: ...C Pdc 27 30 kW Tj 25 C EERd 5 64 Tj 20 C Pdc 19 29 kW Tj 20 C EERd 8 81 Degradation co efficient for chillers Cdc 0 90 Power consumption in modes other than active mode Off mode POFF 0 08 kW Crankcase...

Page 43: ...kW Tj 25 C EERd 5 78 Tj 20 C Pdc 29 45 kW Tj 20 C EERd 7 05 Degradation co efficient for chillers Cdc 0 9 Power consumption in modes other than active mode Off mode POFF 0 14 kW Crankcase heater mode...

Page 44: ...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 capacity for heating at Tj 12 C COPcyc C...

Page 45: ...L 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 capacity for heating at Tj 12 C COPcyc...

Page 46: ...re 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 capacity for heating at Tj 12 C...

Page 47: ...ure 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 capacity for heating at Tj 12 C...

Page 48: ...rature 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 capacity for heating at Tj 1...

Page 49: ...erature 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 capacity for heating at Tj...

Page 50: ...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 capacity for heating at Tj 12 C COPcyc Cy...

Page 51: ...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 capacity for heating at Tj 12 C COPcyc...

Page 52: ...e 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 capacity for heating at Tj 12 C C...

Page 53: ...re 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 capacity for heating at Tj 12 C...

Page 54: ...ature 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 capacity for heating at Tj 12...

Page 55: ...rature 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 capacity for heating at Tj 1...

Page 56: ...16127100001537 V B...

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