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8.5.5 Power supply specification

Table 8-6

Item

Outdoor power supply

Model

SCV-300EB
SCV-600EB

Power supply

380-415V/3N~50Hz
380-415V/3N~50Hz

Manual switch

50A

100A

Fuse

36A
63A

Wiring

10mm

X5(<20m)

16mm

2

 X5(<20m)

8.5.4 Electrical wiring percautions

Copper core wires

National 

standard

a. On-site wiring, parts and materials must comply with the local

and national regulations as well as relevant national electrical

standards.

b. Copper core wires must be used

Fig. 8-9-1  Electrical wiring precaution (a)

Fig. 8-9-2 Electrical wiring precaution (b)

c

.

It is advisable to use 3-core shielded cables for uint to minimize

interference. Do not use the unshielded multicore conductor cables.

d. Power wiring must be entrusted  to professionals with electrician

qualification.

Fig. 8-9-3  Electrical wiring precaution (c)

Fig. 8-9-4  Electrical wiring precaution (d)

NOTE

See the table above for power wire diameter and length when the voltage drop at the power wiring point is within 

2%. If the wire length exceeds the value specified in the table or the voltage drop is beyond the limit, the power 

wire diameter should be larger in accordance with the relevant regulations.

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Summary of Contents for SCV EB Series

Page 1: ...AIR COOLED CHILLER UNIT INSTALLATION AND USER MANUAL SCV XXX B AIR CONDITIONING...

Page 2: ...Original instructions...

Page 3: ......

Page 4: ...devices 6 1 6 2 6 3 6 4 6 5 PRECAUTIONS ON INSTALLATION 10 7 TYPICAL APPLICATION EXAMPLES 11 10 8 12 14 17 24 Main parts of the uint Opening the uint System diagram Outdoor unit PCBs Electric wiring...

Page 5: ...1 5 11 6 11 7 11 8 11 9 11 10 11 11 11 12 11 13 30 32 32 32 32 33 33 33 33 38 34 35 38 33 32 Failure information and code Data display of wired controller Care and maintenance Removing scale Winter sh...

Page 6: ...ion only need for setting the main module Purpose 1 Unit Installation Operation Manual Temperature testing components of total water outlet Transformer Installation manual of wired controller 1 1 1 SC...

Page 7: ...used to alert against unsafe practices Indicates situations that could only result in accidental equipment or property damage NOTE Explanation of symbols displayed on the indoor unit or outdoor unit W...

Page 8: ...als 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 frostbi...

Page 9: ...ning and user maintenance should not be done by children without supervision Children should be supervised to ensure that they do not play with the appliance This appliance is intended to be used by e...

Page 10: ...e unit base the unit can be fastened on the foundation reliably 7 If the unit is installed on a roof the roof must be strong enough to bear the weight of the unit and the weight of maintenance personn...

Page 11: ...er the total height of the unit will increase by 135mm or so Model A B C D E F SCV 300EB 1870 1000 1175 204 200 470 SCV 600EB 2220 1325 1055 234 210 470 Table 6 1 F D E Front view A B C B Left view Fr...

Page 12: ...f Persian 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...

Page 13: ...CV 600EB Fig 6 7 2200 Drainage channel Anchor bolt 1105 958 530 425 Electric control Inlet and outlet box side pipe side Inlet and outlet pipe side Electric control box side unit mm unit mm 1 A solid...

Page 14: ...ensure trouble free operation of the equipment Otherwise accumulated snow will block the air flow and may cause equipment problems Check the installation site thoroughly do not install the equipment...

Page 15: ...Gate valve Automatic discharge valve Y shaped filter Thermometer Circulating pump Check valve 7 CONNECTION DRAWING OF PIPELINE SYSTEM Fig 7 1 Connection drawing of pipeline system Expansion tank Water...

Page 16: ...tor Door 2 3 4 give access to the hydraulic compartment and electrical parts 1 2 8 7 9 4 6 10 5 3 1 2 4 3 5 10 8 7 9 6 Fig 8 1 Main parts of SCV 300EB Fig 8 2 Main parts of SCV 600EB Door 1 Door 2 Doo...

Page 17: ...r Electronic expansion valve Filter Coil final outlet temperature sensor Coil outlet temperature sensor Condenser DC fan 4 way valve Oil seperator High pressure switch Discharge temperature control sw...

Page 18: ...pressure switch One way valve 2 One way valve 1 Discharge temperature control switch 2 Discharge temperature control switch 1 Dc inverter compressor discharge temperature sensor 2 Dc inverter compress...

Page 19: ...ply returns to normal condition fault is removed Attention phase lace and phase dislocation of power supply are detected only in the early period after the power supply is connected and they are not d...

Page 20: ...erature 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 inlet temperature of EVI...

Page 21: ...of fault or protection fault code or protection code is displayed S5 Dip switch S5 3 Normal control valid for S5 3 OFF factory default Remote control valid for S5 3 ON S6 Dip switch S6 3 Anti slow fun...

Page 22: ...equipment After completing all wiring construction conduct careful check before connecting the power supply Please carefully read the labels on the electric cabinet The user s attempt to repair the c...

Page 23: ...ical wiring precaution a Fig 8 9 2 Electrical wiring precaution b c It is advisable to use 3 core shielded cables for uint to minimize interference Do not use the unshielded multicore conductor cables...

Page 24: ...urge current Grounding 3 Grounding 2 Grounding 1 Grounding wire Lightning arrester Power distribution transformer Wrong Manual switch Fuses Power 380 415V 3N 50Hz Fig 8 10 Requirements of power supply...

Page 25: ...ide the electric control box to enable the remote function of ON OFF Fig 8 13 Wiring of water pump and pipeline auxiliary heater and ac light of the state of compressor When the water pump and auxilia...

Page 26: ...provided by user Connect the device provided by user to the ALARM ports of the module units as follows If the unit is operating unnormally the ALARM port is closed otherwise the ALARM port is open Th...

Page 27: ...al 12 0 Contactor Contactor Power Transformer AC220 240V AC 8 5 V CN2 CN60 for pipeline 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11 12 CN74 CN61 MAIN CONTROL WIRECONTROLER CN60 5 6 7 8 9 10 11 12 5 6 7 8 9 10...

Page 28: ...10 11 12 CN74 CN61 MAIN CONTROL WIRECONTROLER CN60 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11 12 CN74 CN61 WH RD YE BK BR X Y E A B RD YE BK BR WH MONITOR WIRECONTROLER CN60 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11...

Page 29: ...instruments so they need to be purchased by the user k All low positions of the water system should be providedwith drainage ports to drain water in the evaporator and the system completely and all hi...

Page 30: ...ifications of the water pipes and screw thread see the Table 8 7 below Table 8 7 Fig 8 20 connection mode of SCV 300EB pipe Fig 8 21 connection mode of SCV 600EB pipe kW is the unit for cooling capaci...

Page 31: ...ow must no less than the unit rated water flow in terms of multi connect the units that water flow must no less than total units rated water flow b Select the left of the pump H h1 h2 h3 h4 H The lift...

Page 32: ...n 6 8 8 0 70ppm 200 V cm 25 C No 50ppm No 50ppm 30ppm 0 3ppm No requirement 50ppm Table 8 9 Please pay attention to the following items when installing multiple modules Each module corresponds to an a...

Page 33: ...working conditions should be prevented as much as possible 4 Carefully adjust the target flow controller on the water system or the inlet stop valve of the unit to make the water flow of the system be...

Page 34: ...ent Wire capacity is meeting for requirement Switch capacity is meeting for requirement Fuse capacity is meeting for requirement Voltage and frequency are meeting for requirement Connecting tightly be...

Page 35: ...ery Recovered upon error recovery Recovered upon error recovery Recovered upon error recovery Recovered upon error recovery Recovered upon error recovery Occurs 3 times in 60 minutes and the error can...

Page 36: ...means system A x 2 means system B x 1 means system A x 2 means system B Recovered by power off Inverter module temperature sensor error x 1 means Tfin1 x 2 means Tfin2 Pressure sensor error Recovered...

Page 37: ...be made on the set points on site Regularly check whether the electric connection is loose and whether there is bad contact at the contact point caused by oxidation and debris etc and take timely mea...

Page 38: ...nt of refrigerant will be affected by the ambient temperature If the required amount has not been reached but no more injection can be done make the chilled water circulate and start up the unit for i...

Page 39: ...ve safety valve liquid vapor separator The air outlet of safty valve must be connected to the appropriate pipe which can direct the leaking refrigerant to the appropriate place for discharge Safety va...

Page 40: ...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 equipment W...

Page 41: ...ss shall be repeated until no refrigerant is within the system When the final OFN charge is used the system shall be vented down to atmospheric pressure to enable work to take place This operation is...

Page 42: ...ng 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 Ensure...

Page 43: ...C C MPa MPa V A C C C C A High pressure Low pressure Voltage Current Inlet dry bulb Outlet dry bulb Inlet Outlet 1 Check temperature of chilled water or hot water Inlet Outlet 2 check air temperature...

Page 44: ...state display failure alert etc High or low pressure switch freeze proof device water flow volume controller Overcurrent device power phase sequence device etc kW kW kW A kW A Type Chargeing volume kg...

Page 45: ...or water flow rate outdoor side heat exchanger Sound power level indoors outdoors Emissions of nitrogen oxides if applicable GWP of the refrigerant Standard rating conditions used Contact details If...

Page 46: ...rate outdoor side heat exchanger Sound power level indoors outdoors Emissions of nitrogen oxides if applicable GWP of the refrigerant Standard rating conditions used Contact details If Cdc is not dete...

Page 47: ...Capacity control Fixed Variable Variable Sound power level indoors Sound power level outdoors Contact details 1 For heat pump space heaters and heat pump combination heaters the rated heat output Pra...

Page 48: ...ode Crankcase heater mode Capacity control Fixed Variable Variable Sound power level indoors Sound power level outdoors Contact details 1 For heat pump space heaters and heat pump combination heaters...

Page 49: ......

Page 50: ...NOTE 44...

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Page 52: ...0 1 234 56 0 7 8 234 0 9 1 7 1 0 6 16 3 5 9 4 260 88 4 260 88 08 88 688 0 4 08 4 6 4A8 60 B...

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