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Spee

Ⅱ

Ⅲ

Ⅰ

w Spee

Ⅲ

Ⅱ

Ⅰ

6.2.3 Static Pressure Drop Unit

5/7kW

70.0

60.0

50.0

40.0

30.0

20.0

10.0

0.0

6.2.4 Failure diagnosis when first installation

■ If nothing is displayed on the user interface, it is necessary to

check for any of the following abnormalities before diagnosing
possible error codes.

■ Disconnection or wiring error (between power supply and unit

and between unit and user interface).

■ The fuse on the PCB may have blown.

■ If the user interface shows

" as an error code, there is

a possibility that there is air in the system, or the water level in the
system is less than the required minimum.

■ If the error code

is displayed on the user interface, check the

wiring between the user interface and unit.

More error code and failure causes can be found in

8.2 Error codes

0.5

1.0

1.5

2.0

Flow (m

/h)

80.0

70.0

10kW

THE HOST UNIT CONTROLLER ELUCIDATION

60.0

50.0

40.0

30.0

20.0

7.1 To access the control panel, open the door

-remove the screw 1 and screw 2;

-lift the door 3.

10.0

0.0

0.8

1.4

2.0

2.6

3.2

Flow (m

/h)

12kW

80.0

70.0

60.0

50.0

40.0

30.0

20.0

10.0

0.0

0.8

1.4

2.0

2.6

3.2

Flow (m

/h)

14kW

80.0

70.0

60.0

50.0

40.0

30.0

20.0

10.0

0.0

0.8

1.4

2.0

2.6

3.2

Flow (m

/h)

16kW

80.0

70.0

60.0

50.0

40.0

30.0

20.0

10.0

0.0

0.8

1.4

2.0

2.6

3.2

Flow (m

/h)

:Medium Speed

Ⅰ

:Low Speed

Ⅲ

Ⅱ

Ⅲ

h S

diu

Ⅰ

:Lo

Spe

m Spee

Ⅲ

:Hi

Ⅱ

:Me

diu

Ⅰ

Spe

res

sur

)

(KP

)

res

)

sur

)

Содержание KEM-05 DVN1

Страница 1: ... Series Inverter Mini Chillers KEM 05 DVN1 KEM 07 DVN1 KEM 10 DVN KEM 12 DVN KEM 12 DTN KEM 14 DTN KEM 16 DTN Original instructions Thank you very much for purchasing our product INSTALLATION OWNER S MANUAL ...

Страница 2: ...gn of the water circuit are given in a separate chapter of this manual Once the selection is done and the water system is designed this manual describes the procedures for handling installing and connecting the unit This manual has been prepared to ensure adequate maintenance of the unit and it will provide help if problems occur READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANU...

Страница 3: ...ectivegloves Do not touch the internal parts pump etc during and immediately after operation Touching the internal parts can cause burns To avoid injury give the internal parts time to return to normal temperature or if you must touch them be sure to wear protectivegloves Before touching electrical parts turn off all applicable power to the unit Tear apart and throw away plastic packaging bags so ...

Страница 4: ...rnment for information regarding the collection systems available If electrical appliances are disposed of in landfills or dumps hazardous substance can leak into the groundwater and get into the food chain damaging your health andwell being The wiring must be performed by professional technicians in accordance with national wiring regulation and this circuit diagram An all pole disconnection devi...

Страница 5: ... control box is located inside the unit at the top of the technical compartment where the various components of the refrigerant circuit are also to be found To access the electrical panel remove the front panel of the unit by undoing the screws 19 20 22 23 21 17 15 24 10 16 18 25 HP 13 LP 26 14 12 ...

Страница 6: ...OUT 5 PFC inductance port 2 6 N OUT 3 DC filter board The picture is for referenceonly 7 PFC control port 8 18V port 9 IPDU communication port 10 IPM power port N 11 Compressor connection port U V W 12 IPM power port P 1 IPM Power supply P 2 IPM Power supply N 1 3 PFC output power N 4 PFC output power P 2 5 DC 380V DC fan power supply port 3 5 4 Main control board DC filter board IPM PFC module bo...

Страница 7: ... control box is located inside the unit at the top of the technical components 17 Electronic expansion valve 18 DC fan power supply port 19 DC fan port 20 Remote control port 21 Force cooling switch 22 Parameter checking switch 23 Tin Tout Tb1 temperature sensor 24 Discharge temperature sensor Tp 25 1 Outlet of outdoor heat exchanger temperature sensor T3 25 2 Ambient temperature sensor T4 26 1 Lo...

Страница 8: ...ure valve port 9 Factory debug port 10 Wired controller port 11 Electric expansion valve port 12 Power supply input port L 13 Power supply input port N 14 Ground wire 15 Rectifier bridge input port N 16 Rectifier bridge input port L 17 8A fuse tube 18 Solenoid valve port Reserved 19 Exhaust valve electric heater port 20 Plate heat exchanger electric heater port 21 Flow switch electric heater port ...

Страница 9: ...ctance port L_1 9 PFC inductance port L_2 10 PFC input N 11 IPM input N 12 Communication port to main control board Remove the inspection panel by unscrewing the five screws The electric control box is located inside the unit at the top of the technical components 1 Use grommet A for the electrical power cable and grommet B for the other external wires The picture below shows the position of the d...

Страница 10: ...tch 9 Force cooling touch switch 10 Differential pressure valve port 11 Factory debugging port 12 Wired controller port 13 AC Current transformer 14 Remote control port 15 Electronic expansion valve port 16 AC 220V power supply port 17 Solenoid valve port Reserved 18 Exhaust valve electric heater port 19 Electric heater port of Plate heat exchanger 20 Electric heater port of differential pressure ...

Страница 11: ...PM input P 8 Power supply port for switching power supply 1 Power supply port L3 2 Power supply port L2 3 Power input port L1 4 Power input port N 5 Ground wire 6 Loaded power supply port for main control board 7 Power supply port for main control board 8 Power output port L1 after filtering 9 Power output port L2 after filtering 10 Power output port L3 afterfiltering 11 Ground wire 4 Filter board...

Страница 12: ... as possible Do not install the unit in places often used as a work space In case of construction work e g grinding etc where a lot of dust is created the unit must be covered Do not place any objects or equipment on top of the unit top plate Do not climb sit or stand on top of the unit Be sure that sufficient precautions are taken in case of refrigerant leakage according to relevant local laws an...

Страница 13: ...gh off the ground to prevent it from being buried in snow 5 2 2 Selecting a location in hot climates As the outdoor temperature is measured via the outdoor unit air thermistor make sure to install the outdoor unit in the shade or a canopy should be constructed to avoid direct sunlight so that it is not influenced by the sun s heat otherwise protection may be possible to the unit 5 3 Installation s...

Страница 14: ...t The condensed water outlets on the chassis for selection display as the follow figure 5 7kW Water Outlet 10 16kW Reserve water outlet Need to knock open Reserve water outlet Water Outlet With rubber stopper CAUTION While installing the outdoor unit pay attention to the installation place and the drainage pattern If it s installed at the alpine zone the frozen condensed water will block up the wa...

Страница 15: ...ts NOTE If the volume of balance tank 9 larger than 30L the buffer tank 8 is unnecessary otherwise the buffer tank 8 should be installed and the total volume of buffer tank and balance tank should larger than 30L The drain valve 6 should be installed at the lowest position of the system An independent backup heater can be selected and installed in the door which can provide additional heating sour...

Страница 16: ...ply 13 mixing station field supply field control 8 buffer tank field supply FHL 1 n floor heating loop NOTE If the volume of balance tank 9 larger than 30L the buffer tank 8 is unnecessary otherwise the buffer tank 8 should be installed and the total volume of buffer tank and balance tank should larger than 30L The drain valve 6 should be installed at the lowest position of the system An independe...

Страница 17: ...n 30L The drain valve 6 should be installed at the lowest position of the system An independent backup heater can be selected and installed in the door which can provide additional heating source and ensure better performance of the system when the ambient temperature is low Mixing station As the unit is mainly to provide middle temperature and high temperature water when connecting floor heating ...

Страница 18: ...ain valve NOTE If the volume of balance tank 9 larger than 30L the buffer tank 8 is unnecessary otherwise the buffer tank 8 B should be installed and the total volume of buffer tank and balance tank should larger than 30L The drain valve 6 should be installed at the lowest position of the system An independent backup heater can be selected and installed in the door which can provide additional hea...

Страница 19: ...passed When the temperature is not high enough the 3 way valve will open and the water from outdoor unit will flow through the boiler and be heated again NOTE If you need to connect an auxiliary boiler or other additional heating source and can control auxiliary boiler you need to customize CAUTION Be sure that the boiler and the integration of the boiler in the system is in accordance with releva...

Страница 20: ... and the total volume of buffer tank and balance tank should larger than 30L The drain valve 6 should be installed at the lowest positon of the system An independent backup heater can be selected and installed in the door which can provide additional heating source and ensure better performance of the system when the ambient temperature is low Operation When heating is required either the unit or ...

Страница 21: ...g An automatic air purge is provided inside the unit Check that this air purge valve is not tightened too much so that automatic release of air in the water circuit remains possible 5 5 3 Checking the water volume and expansion vessel pre pressure The unit is equipped with expansion vessel that has a default pre pressure of 1 5 bar To assure proper operation of the unit the pre pressure of the exp...

Страница 22: ... The unit is only to be used in a closed water system Application in an open water circuit can lead to excessive corrosion of the water piping Never use Zn coated parts in the water circuit Excessive corrosion of these parts may occur as copper piping is used in the unit s internal water circuit When using a 3 way valve in the water circuit Preferably choose a ball type 3 way valve to guarantee fu...

Страница 23: ... fouling factor 1 For different fouling factors multiply the figures in the performance tables by the coefficient given in the following table Fouling factors Evaporator m 2 C W capacity compressor power total power input correction factor input correction factor correction factor 4 4 x 10 5 0 86 x 10 4 0 96 0 99 0 99 1 72 x10 4 0 93 0 98 0 98 5 5 8 Filling with water 1 Connect the water supply to...

Страница 24: ... phase advancing capacitor as it could lead to an accident 5 6 2Precautions on wiring of power supply Use a round crimp style terminal for connection to the power supply terminal board In case it cannot be used due tounavoidable reasons be sure to observe the following instructions Do not connect different gauge wires to the same power supply terminal Loose connections may cause overheating When c...

Страница 25: ... controllers can t start the unit Wire controller PUMP2 terminal only provides passive switching signal Additional water pump must be controlled by the AC contactor Remote alarm 5kW 7kW 10kW 16kW The wire controller is optional Please use 3 core shielded wire to connect the wire controller and the shielding layer must be grounded When connecting wire controller host unit control panel is mainly us...

Страница 26: ...all your local dealer 9 Power supply voltage Check the power supply voltage on the local supply panel The voltage must correspond to the voltage on the identification label of the unit 10 Air purge valve Make sure the air purge valve is open at least 2 turns 11 Water leak check the inside of the unit on water leakage in case there is a water leakage close the water inlet water outlet shut off valv...

Страница 27: ...on Quick green blinks Venting routine running Pump runs during 10min in venting function Afterwards the installer has to adjust the targeted performance Red green blinking Abnormal situation pump functional but stopped Pump will restart by itself after the abnormal situation disappeared 1 Under voltage or Overvoltage U 160V or U 280V 2 Module overheating T inside motor too high 1 Check voltage sup...

Страница 28: ...ed on the user interface check the wiring between the user interface and unit More error code and failure causes can be found in 8 2 Error codes 0 5 1 0 1 5 2 0 Flow m3 h 80 0 70 0 10kW 7 THE HOST UNIT CONTROLLERELUCIDATION 60 0 50 0 40 0 30 0 20 0 7 1 To access the control panel open the door remove the screw 1 and screw 2 lift the door 3 10 0 0 0 0 8 1 4 2 0 2 6 3 2 Flow m3 h 12kW 80 0 70 0 60 0...

Страница 29: ... function icon will flicker when setting timing on The icon will be constantly light when finish setting Timing off function icon will flicker when setting timing off The icon will be constantly light when finish setting 11 Breakdown light icon When the unit is broken down or under protection this icon will flicker and will be extinguished when malfunction and protection are eliminated 12 Compress...

Страница 30: ...ming on Press to confirm and switch to minute setting automatically The last 2 digits of the nixie tube will flicker and press or to adjust minute setting of timing on minimal unit of minute adjustment 15 minutes Press to confirm The first group setting is finished and will be constantly light When processing the second timing setting repeat the 1 2 operation above When the nixie confirm the power...

Страница 31: ... The last 2 digits of the nixie tube will flicker and press or to adjust minute setting of timing off Press to confirm The first group setting is finished and will be constantly light When processing timing setting of group 2 repeat the 1 2 operation above When the nixie tube displays 01 and flicker press or to choose the timing off group When the nixie tube displays 02 which means setting timing ...

Страница 32: ...viewed not to use the machine for long periods After deactivating the chiller Make sure the model is in the Power off model or alternatively disconnect the unit from the powersupply Make sure the remote control switch is closed if present Close the water valves Table 11 1 Query orders No Content Remark 1 Frequency Display operating frequency when the unit is in cooling mode and heating mode 2 Mode...

Страница 33: ...nger temperature or the inlet temperature sensor is less than 2 the electric exchanger temperature heating will turn on until the heat exchanger temperature or the inlet temperature sensor is above 7 If the unit is likely to operate below 0 it is advisable to add antifreeze to the water system to prevent the unit from freezing the system in the event of a power cut off or failure 7 Fin heat exchan...

Страница 34: ...s or where a leakage detection system is installed at least every 24 months 2 For equipment that contains fluorinated greenhouse gases in quantities of 50 tones of CO2 equivalent or more but of less than 500 tones of CO2 equipment at least every six months or where a leakage detection system is installed at least every 12 months 3 For equipment that contains fluorinated greenhouse gases in quantit...

Страница 35: ... 3 11 0 13 8 16 6 6 1 7 0 8 0 3 26 3 20 3 50 3 25 3 31 3 25 3 30 2800 3000 4800 5200 5200 5600 5900 14 6 15 6 25 0 26 0 8 9 9 6 10 1 R410A R410A R410A R410A R410A R410A R410A 2500 2500 2800 2800 2800 2900 3200 1008 963 396 970 1327 400 1120 1100 435 1082 1456 435 81 91 110 121 111 122 Cooling 5 C 46 C Heating 15 27 C Cooling 10 20 C 12 C Heating mode 35 50 C 40 C Cooling Capacity kW rated Input W ...

Страница 36: ... 005 0 005 0 023 0 023 Psb Power consumption Standby mode kW 0 011 0 011 0 019 0 019 PCK Power crankcase heater model kW 0 032 0 032 0 060 0 060 Qelec Daily electricity consumption kWh Qfuel Daily fuel consumption kWh Part load conditions space heating average climate A condition 7 C Pdh declared heating capacity kW 5 51 5 70 10 20 10 50 COPd declared COP 2 50 2 30 2 30 2 25 Cdh degradation coeffi...

Страница 37: ...rmostatoffmode kW 0 023 0 026 0 026 Psb Power consumption Standby mode kW 0 019 0 020 0 020 PCK Power crankcase heater model kW 0 060 0 062 0 062 Qelec Daily electricity consumption kWh Qfuel Daily fuel consumption kWh Part load conditions space heating average climate A condition 7 C Pdh declared heating capacity kW 11 10 12 30 11 40 COPd declared COP 2 50 2 45 2 10 Cdh degradation coefficient 0 ...

Страница 38: ...d at indoor temperature 20 C and outdoor temperature Tj Tj 7 C Pdh 5 5 kW Tj 2 C Pdh 3 6 kW Tj 7 C Pdh 2 2 kW Tj 12 C Pdh 1 1 kW Tj bivalent temperature Pdh 5 5 kW Tj operating limit Pdh 5 1 kW Forair to waterheatpumps Tj 15 C Pdh kW Bivalent temperature Tbiv 7 C Cycling interval capacity for heating Pcych kW Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode off mo...

Страница 39: ...d at indoor temperature 20 C and outdoor temperature Tj Tj 7 C Pdh 5 7 kW Tj 2 C Pdh 4 4 kW Tj 7 C Pdh 2 9 kW Tj 12 C Pdh 1 3 kW Tj bivalent temperature Pdh 6 3 kW Tj operating limit Pdh 5 5 kW Forair to waterheatpumps Tj 15 C Pdh kW Bivalent temperature Tbiv 4 C Cycling interval capacity for heating Pcych kW Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode off mo...

Страница 40: ... at indoor temperature 20 C and outdoor temperature Tj Tj 7 C Pdh 10 2 kW Tj 2 C Pdh 6 1 kW Tj 7 C Pdh 3 8 kW Tj 12 C Pdh 2 1 kW Tj bivalent temperature Pdh 10 2 kW Tj operating limit Pdh 9 5 kW Forair to waterheatpumps Tj 15 C Pdh kW Bivalent temperature Tbiv 7 C Cycling interval capacity for heating Pcych kW Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode off m...

Страница 41: ... at indoor temperature 20 C and outdoor temperature Tj Tj 7 C Pdh 10 5 kW Tj 2 C Pdh 6 8 kW Tj 7 C Pdh 4 4 kW Tj 12 C Pdh 2 1 kW Tj bivalent temperature Pdh 10 9 kW Tj operating limit Pdh 10 0 kW Forair to waterheatpumps Tj 15 C Pdh kW Bivalent temperature Tbiv 6 C Cycling interval capacity for heating Pcych kW Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode off ...

Страница 42: ... at indoor temperature 20 C and outdoor temperature Tj Tj 7 C Pdh 11 1 kW Tj 2 C Pdh 7 0 kW Tj 7 C Pdh 4 3 kW Tj 12 C Pdh 2 0 kW Tj bivalent temperature Pdh 11 1 kW Tj operating limit Pdh 10 4 kW Forair to waterheatpumps Tj 15 C Pdh kW Bivalent temperature Tbiv 7 C Cycling interval capacity for heating Pcych kW Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode off ...

Страница 43: ... at indoor temperature 20 C and outdoor temperature Tj Tj 7 C Pdh 12 3 kW Tj 2 C Pdh 7 6 kW Tj 7 C Pdh 4 9 kW Tj 12 C Pdh 2 4 kW Tj bivalent temperature Pdh 11 2 kW Tj operating limit Pdh 10 9 kW Forair to waterheatpumps Tj 15 C Pdh kW Bivalent temperature Tbiv 5 C Cycling interval capacity for heating Pcych kW Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode off ...

Страница 44: ... at indoor temperature 20 C and outdoor temperature Tj Tj 7 C Pdh 11 4 kW Tj 2 C Pdh 8 5 kW Tj 7 C Pdh 5 8 kW Tj 12 C Pdh 2 8 kW Tj bivalent temperature Pdh 12 6 kW Tj operating limit Pdh 11 5 kW Forair to waterheatpumps Tj 15 C Pdh kW Bivalent temperature Tbiv 4 C Cycling interval capacity for heating Pcych kW Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode off ...

Страница 45: ...MD14IU 023LW ...

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Содержание KEM-05 DVN1

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