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24

8.4.14 Wiring instances

If multiple units are connected in parallel, the user needs to set uint address on the DIP switches.

The DIP switch address is ENC4. With 0-F being valid, 0 indicates the main unit and 1-F indicate auxiliary units.

Fig. 8-20 Networking communication schematic of main unit and auxiliary unit for KEM-30 DRS4.1 KH

L1

L2

L3

N

¡

  

¥

CN

2

CN6

0

CN74

CN61

CN60

CN7

4

CN61

;<

($

%

CN60

CN74

CN6

1

;<

($

%

;7

X

Y

;<(

;<(

CN8

3

;7

CN3

0

;7

;7

CN2

CN8

3

CN3

0

;7

;7

CN2

CN83

CN30

/

/

/

L1    

L 2     L3

L1    

L 2     L3

L1    

L 2     L3

L1    

L 2     L3

ENC4

ENC4

ENC4

$

%

;

<

($

%

;

<

($

%

;<(

;7

;7

1

1

CN8

7

MONIT

OR 

WIRECONTROLER

MONIT

OR 

WIRECONTROLER

WH
BR
BK
YE
RD

WH
BR
BK
YE
RD

WH

BR

BK

YE

RD

WH

BR

BK

YE

RD

HEA

T1 HEA

T2 COM COMP-ST

ATE PUMP

HEA

T1 HEA

T2 COM COMP-ST

ATE PUMP

POWER 380-415V 3N~50Hz

R

VV

-300/500 5X10mm

2

POWER 380-415V 3N~50Hz

R

VV

-300/500 5X10mm

2

POWER

POWER

COMMUNICA

TION 

 

WITH NEXT

 MODULE

COMMUNICA

TION 

 

WITH NEXT

 MODULE

COMMUNICA

TION 

 

WITH NEXT

 MODULE

POWER 380-415V 3N~50Hz

R

VV

-300/500 5X10mm

2

The length of wire

 

should be shorter

  

than 500m

The Wiring 

Terminal X

and E on the back of Wire  Controller are correspondin of  the T

erminal 

Y and E of 

Wiring Board in Main Module

MAIN CONTROL

 

WIRECONTROLER

Power T

ransformer

OUTPUT

: 8.5 V~

POWER

MAIN CONTROL

 

WIRECONTROLER

WH
BR
BK
YE
RD

WH
BR
BK
YE
RD

HEA

T1 HEA

T2 COM COMP-ST

ATE PUMP

COMMUNICA

TION 

 

WITH WIRE 

 

COMTROLLER

Over-current 

relay

Over-current 

relay

Notes The wiring diagram of auxiliary heaters is just  for reference, please follow the instructions of  corresponding auxiliary heater products. Please choose such accessory as power  wire, switch of auxiliary heater according to the  actual parameter of products and national

The metal plate of  contactor installation  box should be grounded

Auxilia

ry heater 

for pipeline

Over-current 

relay

Contactor

Contactor

Contactor

PUMP

POWER 380-415V 3N~50Hz

Auxilia

ry heater 

for water tank

Содержание KEM-90

Страница 1: ...ery much for purchasing our air conditioner Before using your air conditioner please read this manual carefully and keep it for future reference KEM 90 DRS4 KH OWNER S INSTALLATION MANUAL DC Inverter...

Страница 2: ...of arrangement space of the unit 07 6 3 Space requirements for parallel installation of multiple Modular units 08 6 4 Installation foundation 08 6 5 Installation of damping devices 09 7 CONNECTION DR...

Страница 3: ...parts 35 11 7 First startup after shutdown 36 11 8 Refrigeration system 36 11 9 Disassembling compressor 36 11 10 Auxiliary electric heater 36 11 11 System antifreezing 36 11 12 Replacement of safety...

Страница 4: ...35 40 45 50 55 0 5 10 15 20 25 30 G KEM 30 DRS4 1 KH KEM 60 DRS4 1 KH KEM 90 DRS4 KH KEM 30 DRS4 1 KH KEM 60 DRS4 1 KH Fig 1 1 1 Cooling operating range Outlet water temperature C COOLING HEATING Outl...

Страница 5: ...ous situation which if not avoided may result in minor or moderate injury It is also used to alert against unsafe practices Explanation of symbols displayed on the indoor unit or outdoor unit WARNING...

Страница 6: ...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...

Страница 7: ...ans in accordance with national wiring 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...

Страница 8: ...coil 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...

Страница 9: ...view Top view B E D F A C Fig 6 2 Outline dimensional of KEM 60 DRS4 1 Front view Left view Top view A D C F E B Fig 6 3 Outline dimensional of KEM 90 DRS4 KH Table 6 1 Model KEM 30 DRS4 1 KH KEM 60 D...

Страница 10: ...the unit and sunk fence or Persian blinds should also meet the requirement 3 If the unit needs to operate in winter and the installation site may be covered by snow the unit should be located higher t...

Страница 11: ...such that condensate may freeze Inlet and outlet pipe side Drainage channel Electric control box side Anchor bolt Fig 6 7 Top view of schematic diagram of installation dimension of KEM 30 DRS4 1 KH un...

Страница 12: ...y 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 Base height Outdoor unit Fig 6 12 Snow prevention base height 2...

Страница 13: ...Pressure gauge Flexible joint Gate valve Automatic discharge valve Y shaped filter Thermometer Circulating pump Check valve Fig 7 1 Connection drawing of pipeline system NOTE The ratio of the two way...

Страница 14: ...0 DRS4 1 8 2 Opening the uint By means of a detachable service panel the maintenance personnel can easily access the interior components of the unit Door 1 Door 2 Door 3 Door 4 Fig 8 4 Doors of KEM 30...

Страница 15: ...ve access to the compartment of water pipes water side heat exchanger acculator and liquid vapor separator Door 2 3 4 give access to the hydraulic compartment and electrical parts Door 1 2 3 give acce...

Страница 16: ...ly 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 exchanger heaters connectio...

Страница 17: ...emperature sensor T3A T3B pipe temperature sensor of the condenser T5 wtater tank temperature sensor T6A Refrigerant inlet temperature of EVI plate heat exchanger T6B Refrigerant outlet temperature of...

Страница 18: ...ctory default Low temperature cooling valid for S12 3 ON 41 CN7 TEMP SW Target water temperature switching port 42 ENC2 POWER DIP switch for capacity selection KEM 30 DRS4 1 KH defaults 0 KEM 60 DRS4...

Страница 19: ...peration 2 CN12 Quick return oil solenoid valve 3 CN80 Injection solenoid valve of compressor system B 4 CN47 Injection solenoid valve of compressor system A 5 CN5 Water side heat exchanger heaters co...

Страница 20: ...n in port WizPro200RS programming device 28 IC10 EEPROM chip 29 CN1 temperature sensors input port T4 outdoor ambient temperature sensor T3A T3B pipe temperature sensor of the condenser T5 wtater tank...

Страница 21: ...V 46 ENC4 NET_ADDRESS DIP switch 0 F of outdoor unit network address is enabled which represent address 0 15 47 S12 Dip switch S12 1 Valid for S12 1 ON factory default S12 2 Single water pump controll...

Страница 22: ...y 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 the controller and so on...

Страница 23: ...d Power wiring must be entrusted to professionals with electrician qualification Fig 8 10 4 Electrical wiring precaution d 8 4 5 Power supply specification Table 8 4 Item Model Outdoor power supply Po...

Страница 24: ...arrester Grounding wire Building Fuses Fuses Grounding 1 Grounding 2 Grounding 3 Uint Lightning arrester Grounding wire Surge current Grounding 1 Grounding 2 Grounding 3 Fig 8 11 Requirements of powe...

Страница 25: ...eater and ac light of the state of compressor is as follows HEAT1 HEAT2 COM COMP STATE PUMP Blue Black Brown 8 4 9 Wiring of ON OFF weak electric port The remote function of ON OFF must be set by DIP...

Страница 26: ...2V Main control board is provided 0 electric control box TEMP SWITCH port 0 electric control box TEMP SWITCH port First target water temperature Second target water temperature Fig 8 17 Wiring of TEMP...

Страница 27: ...MODULE COMMUNICATION WITH NEXT MODULE COMMUNICATION WITH NEXT MODULE POWER 380 415V 3N 50Hz RVV 300 500 5X10mm 2 The length of wire s h o u l d b e s h o r t e r than 500m The Wiring Terminal X Y and...

Страница 28: ...he length of wire s h o u l d b e s h o r t e r than 500m The Wiring Terminal X Y and E on the back of Wire Controller are correspondin of the Terminal X Y and E of Wiring Board in Main Module MAIN CO...

Страница 29: ...r t e r than 500m The Wiring Terminal X Y and E on the back of Wire Controller are correspondin of the Terminal X Y and E of Wiring Board in Main Module Power Transformer OUTPUT 8 5 V MAIN CONTROL WI...

Страница 30: ...ed units should be provided with mixing water temperature sensor WARNING For the water pipeline network including filters and heat exchangers dreg or dirt may seriously damages the heat exchangers and...

Страница 31: ...Hoop connection DN50 KEM 90 DRS4 KH Hoop connection DN50 Fig 8 23 connection mode of KEM 30 DRS4 1 KH Fig 8 24 connection mode of KEM 60 DRS4 1 KH Fig 8 25 connection mode of KEM 90 DRS4 KH pipe 8 5 3...

Страница 32: ...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 flexible pipe resistance pipe e...

Страница 33: ...ition and move the total euent temperature sensor at No 0 address to the position Pump Pump Fig 8 28 Installation of multi module no more than 16 modules 2 Table of diameter parameters of main inlet a...

Страница 34: ...Tw unit 0 Fig 8 30 Installation of multiple water pump 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 i...

Страница 35: ...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...

Страница 36: ...rror recovery 14 EE 1EE EVI plate heat exchanger refrigerant temperature T6A sensor error Recovered upon error recovery 2EE EVI plate heat exchanger refrigerant temperature T6B sensor error 15 EF Unit...

Страница 37: ...utes 42 F6 1F6 A system buss voltage error PTC Recovered upon error recovery 2F6 B system buss voltage error PTC 43 Fb Pressure sensor error Recovered upon error recovery 44 Fd Suction temperatrue sen...

Страница 38: ...ent 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 F...

Страница 39: ...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 CAUTION Conne...

Страница 40: ...por separator safety valve Fig 11 1 Replacement of safety valve WARNING The air outlet of safty valve must be connected to the appropriate pipe which can direct the leaking refrigerant to the appropri...

Страница 41: ...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...

Страница 42: ...ment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 maximum is confirmed Leak detection fluids...

Страница 43: ...oning it is recommended good practice that all refrigerants are removed safely When tranferring refrigerant into cylinders ensure that only appropriate refrigerant recovery cylinders are employed Ensu...

Страница 44: ...ressure 5 Check running current 6 Whether unit has been through refrigerant leakage test 7 Whether there is noise on all the panels of unit 8 Check whether the main power source connection is correct...

Страница 45: ...ure switch freeze proof device water flow volume controller Overcurrent device power phase sequence device etc Refrigerant Type R32 Chargeing volume kg 7 9 14 0 16 0 Water pipe system Waterflow volume...

Страница 46: ...9 Tj 25 C Pdc 12 79 kW Tj 25 C EERd 4 98 Tj 20 C Pdc 5 87 kW Tj 20 C EERd 5 72 Degradation co efficient for chillers Cdc 0 90 Power consumption in modes other than active mode Off mode POFF 0 020 kW C...

Страница 47: ...25 43 kW Tj 25 C EERd 4 48 Tj 20 C Pdc 11 30 kW Tj 20 C EERd 4 83 Degradation co efficient for chillers Cdc 0 9 Power consumption in modes other than active mode Off mode POFF 0 035 kW Crankcase heate...

Страница 48: ...37 36 kW Tj 25 C EERd 5 10 Tj 20 C Pdc 26 05 kW Tj 20 C EERd 5 91 Degradation co efficient for chillers Cdc 0 9 Power consumption in modes other than active mode Off mode POFF 0 090 kW Crankcase heat...

Страница 49: ...er 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 capa...

Страница 50: ...on coefficient 4 at T 7 C Cdh Heating water 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 coeffic...

Страница 51: ...4 at T 7 C Cdh Heating water 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...

Страница 52: ......

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