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11. Trouble shooting

Fault description

Possible cause

Troubleshooting

Remarks

Too high

exhaust

pressure

1.Air or non-condensable gas found in the system Discharge and empty, if necessary, the

non-condensable gas

Cooling/heating

2.High suction pressure

Refer to “High Suction Pressure"

Cooling/heating

3.Undesirable high-pressure switch

Replace the high-pressure switch

Cooling/heating

4.Dirty or clogged fin of the condenser

Clean the air-side heat exchanger

Cooling

5.Insufficient air capacity or faulty fan of the

condenser.

Check the fan

Cooling

6.High charge of refrigerant

Adjust the charge of refrigerant

Cooling

7.High ambient temperature

Inspect the ambient temperature

Cooling

8.Insufficient water flow

Check the water flow

Heating

9.Water-side heat exchanger scaling or with

foreign matters inside

Clean up the incrustation scale

Heating

10.High outlet temperature of water-side heat

exchanger

Check the water temperature

Heating

Low suction

pressure

1.Insufficient refrigerant

Adjust the charge of refrigerant

Cooling/heating

2.Undesirable low-pressure switch

Replace the low-pressure switch

Cooling/heating

3.Insufficient water flow

Check the water flow

Cooling

4.Low water inlet temperature at water side

Check the water temperature

Cooling

5.Water-side heat exchanger scaling or with

foreign matters inside

Clean up the incrustation scale

Cooling

6.Insufficient air capacity

Check the fan

Heating

7.Short circuit found in air circuit

Check the cause of short circuit and take

troubleshooting

Heating

8.Incomplete defrosting

Replace the poor 4-way valve or defrosting

sensor

Heating

3 Too low exhaust

pressure

1.Lack of refrigerant

Adjust the charge of refrigerant

Cooling/heating

2.Low suction pressure

Refer to “Low Suction Pressure"

Cooling/heating

3.Low ambient temperature of air-side heat

exchanger

Check the ambient temperature

Cooling

4.Too low water temperature at water side

Check the water temperature

Heating

1.Too high charge of refrigerant

Adjust the charge of refrigerant

Cooling/heating

High suction

pressure

2.High water inlet temperature at water side

Check the water temperature

Cooling

3.High ambient temperature of air-side heat

exchanger

Check the ambient temperature

Heating

Overtemperatur

e of exhaust

temperature

sensor

1.Poor ventilation around the unit

Clean up the obstacles around the unit, or

add air ducts

Heating

2.Too low ambient temperature

Shut down

Heating

3.Dirty or clogged filter at fluorine side

Replace the filter

Cooling/heating

4.Incomplete frosting (for heating) or no frosting

Change the frosting parameters

Heating

Open circuit or

short circuit of

temperature

sensor

1.Damaged sensor

Replace the sensor

Cooling/heating

2.Poor connection of sensor

Reconnect the sensor

7 Abnormal noise

1.Loose metal plate bolts

Retighten bolts

2.Liquid impact due to entry of liquid refrigerant

into the compressor

Adjust the charge of refrigerant or the poor

throttling device

Cooling/heating

3.Poor compressor

Replace the compressor

Содержание CA0065EANR

Страница 1: ...1 Service Manual INVERTER MODULAR CHILLER SYJS 11 2018 REVA Edition 2018 11 ...

Страница 2: ...nection 16 6 4 Electrical Connection Precautions 21 6 5 Debugging and running 26 6 6 Regular inspection of the project 27 6 7 Maintenance 28 7 Controller Operation Instruction 29 8 Wiring diagram 40 9 PCB photo and address code setting 41 10 Fault code 42 11 Trouble shooting 44 12 Unit operating range and service condition 46 12 1 Unit operating range 46 12 2 Unit operating conditions 46 13 Techni...

Страница 3: ...50Hz 2 Inverter H Q Water cooled 0 0 1 2 R132 C Earth source E 115 220V 50 60Hz 3 DC inverter R Z Earth source R134A D 220 220V 60Hz 4 Air cooled module chiller A R410A E 110V 50 60Hz 5 Light chiller Split packaged H Cooling only R22 M 220V 50 60Hz 6 Single packaged R R407C N 127V 60Hz 7 Water cooled cabinet chiller W R132 O 240V 50Hz 8 Hydronic system Cassatte B R134A P 110 220V 50 60Hz 9 Duct D ...

Страница 4: ...tion ensures the stable and reliable operation of the unit 2 High efficient parts and unique design ensure the chiller high efficiency COP up to 3 0 Compact design small footprint Y shape design small floor area only 1 56m2 28 footprint can be reduced Modular design flexible combination The unit adopts modular design and max 16 modules can be combined in each group which can meet the load demand o...

Страница 5: ...ndard flow switch in the product installer no need to purchase flow switch MODBUS interface is reserved for units which can be connected to building automation systems for centralized control easy to realize intelligent management and remote control 485 232 485 USB Converter Modbus ...

Страница 6: ...n ultra high frequency operation within 1 hour to ensure the room temperature can reach the set temperature as soon as possible 2 4 Comfort Temp Operation time Start Cooling mode Indoor temp PID control Normalcontrol Inverter unit Small temperature drop Hot Cold 0 5 Comfort Inverter unit Quick cooling Maximum capacity of hyper cooling and heating Maximum capacity of normal cooling and heating 5sec...

Страница 7: ...heat exchanger The new modular chiller adopts shell tube heat exchanger 65 100 130kW avoid dirty plugging higher efficiency and reliability 2 5 High Reliability Filter drier Filter drier absorb moisture in the system avoid the emergence of the ice block Pressure sensor control Through the pressure sensor real time monitoring realize the system quickly accurately control ensure the unit efficient a...

Страница 8: ...The system has three modules the actual operation of just two module if one module malfunction another module will start automatically according to the water temperature operation stop operation malfunction stop service operation ...

Страница 9: ... supply 3N 380V 50Hz 60Hz Refrigerant throttle type Electronic expansion valve Capacity control Stepless Safety functional protections High low Pressure Protection Water Lackage delay Protection Freeze Protection Overload Overheat Protection Phase Loss Phase Sequence Protection Compressor Type Rotary Quantity 2 Input power KW 9 5 2 Refrigerant Type R410a Charge kg 6 2 Air side heat exchanger Type ...

Страница 10: ...1m away in open field sound pressure 2 Due to our policy of innovation some specifications may be changed without notification Model CA0065EANR Water side heat exchanger Type Shell and tube heat exchanger Rated water flow m h 10 32 Inlet outlet pipe R2 Water dirt coefficient m2 C KW 0 018 Standard pressure Mpa 1 0 Water resistance kPa 45 Sound pressure level dB A 65 External dimension Unit length ...

Страница 11: ... is designed according to the weight of the unit during operation 2 The foundation can be channel steel designed by the user according to the unit size or concrete structure The surface should be level to ensure the smooth flow of the unit 3 Add 10 20mm rubber cushion between the unit and the foundation 4 The unit and foundation can be fixed with Φ16 or Φ18 foot bolts ...

Страница 12: ...liquid separtator Electronic expansion valve T Oil T d A T e A1 T e A2 T ewo T ewi T s A SV1 LPs A HPs A Capillary Oil separator T e A1 T e A2 Accumulator Gas liquid separtator Accumulator B INV Electronic expansion valve 4 WVA 1 Oil separator Capillary T Oil T s B LPs B D C S E SV1 HPs B T d B ...

Страница 13: ... is installed it must be protected against wind and earthquakes as required Otherwise accidents such as dumping or falling of the unit may occur The fixed foundation must have sufficient bearing capacity when the unit is installed The base of the unit must be fixed on a solid foundation to prevent the unit from sinking or causing injury due to insufficient strength Before repairing and transferrin...

Страница 14: ...shock and accidental injury When the unit is deactivated for a long time the residual water inside the unit must be exhausted If the unit is out of service for a long time the water pipe should be filled with preservatives or the remaining water in the pipe should be removed Otherwise the unit components may be cracked and leaked Do not place or hang any objects above the unit Accidental injury ca...

Страница 15: ...hor bolts to prevent falling down due to earthquake or strong wind In order to withstand strong wind and earthquake the unit must be positioned properly and can not be installed at such a place exposed to strong wind Depending on installation conditions vibration may be transferred to fitted parts and base plates and walls may produce vibration and noise Therefore proper vibration protections e g ...

Страница 16: ... Diagram of installation space for single chiller unit Unit mm Installation Space 4 8 300 1000 Guiding device 2 Diagram of installation space for multiple chiller units Unit mm 450 450 450 450 450 1500 1500 ...

Страница 17: ... it s a n d w a ll 4 5 0 S p a c e b e t w e e n u n i t s a n d w a l l 1 0 0 0 S p a c e b e t w e e n u n it s 4 5 0 S p a c e b e t w e e n u n it s 4 5 0 S p a c e b e t w e e n u n it s 4 5 0 S p a c e b e t w e e n u n i t s 9 0 0 S p a c e b e t w e e n u n i t s 9 0 0 S p a c e b e t w e e n u n i t s 9 0 0 Unit height ...

Страница 18: ...ting of water pipe shall be carried out prior to the connection between the pipe and the unit 6 The drain valve on the outlet pipe is self contained manual or automatic exhaust valve shall be set at the highest point of the water circulation system for the normal operation of the unit the valve handle must be removed so that the valve is not adjusted 7 Water quality control Industrial water used a...

Страница 19: ...ust be energized in winter If the unit is not used in winter drain the water from the water system or fill such anti freezing mixture as ethylene glycol and glycerol into the water system The water filter must be installed correctly otherwise the unit may be damaged Additionally the water filter shall be regularly inspected for any blockage due to dirt Schematic diagram of water system Multi unit ...

Страница 20: ...e instrument are not provided with the unit and are at users own expenses 9 Drain ports shall be arranged at all low points of the water system to ensure that water in the evaporator and the system is completely discharged exhaust valves shall be arranged at all high points to vent air in the pipelines The exhaust valves and drain ports are not insulated for easy troubleshooting 10 All water pipel...

Страница 21: ...ions must be carried out to ensure that the water balance requirements are met between the various loops so that the air conditioning water system has good hydraulic and thermal conditions in actual operation The air conditioning piping system must meet the adjustment requirements for the central air 17 conditioning part load operation Energy saving technical measures should be adopted as much as ...

Страница 22: ...pacity of the water tank must be greater than or equal to Vmin 310 265 20 25L Water system volume calculation example Steel pipe diameter mm Closed water system Open water system flow m3 h kPa 100m flow m3 h kPa 100m 15 0 0 5 0 60 20 0 5 1 0 10 60 25 1 2 10 60 0 1 3 0 43 32 2 4 10 60 1 3 2 0 11 40 40 4 6 10 60 2 4 10 40 50 6 11 10 60 4 8 65 11 18 10 60 8 14 80 18 32 10 60 14 22 100 32 65 10 60 22 ...

Страница 23: ...rop 1 1 When multiple units are equipped with a pump the circuit with the highest resistance is generally the farthest unit circuit The following safety rules and measures must be strictly observed before switching on the circuit 1 When the unit is installed it must be completed by the manufacturer s service personnel or specially trained installers Installation should comply with the relevant ele...

Страница 24: ...t start When the standby state enters the working state the water pump is started first and when the machine is switched from the working state to the standby state or when the machine is shut down the water pump is automatically stopped after the operation is completed The choice of pump should meet the requirements of the unit the water flow and the nominal value of the nameplate should not exce...

Страница 25: ...F The module can only have one host in the system and the address of each module can not be the same 1st 4 bits are selected for the module machine address 2 BM2 DIP switch definition description Model BM2 DIP1 DIP2 DIP3 DIP4 DIP5 DIP6 DIP7 DIP8 Low temperature model selection factory default Fixed frequency variable frequency model selection Reserved Power on heating for 2 hours forced boot Modbu...

Страница 26: ... modular communication cable length should not exceed 1000m 3 For the communication between the handheld communicator and the host within 300m shielded twisted pair with diameter of 0 75mm2 and above must be used Line to extend the connection between the handheld communicator and the electronic control cabinet 4 For long distance communication connections between 300m and 1000m the A and B communi...

Страница 27: ...vice schematic diagram of the electrical box Power terminal block Main control board Interface board 1 Interface board 2 Compressor drive module Capacitor plate Lightning protection board Refrigerant heat sink Reactance ...

Страница 28: ...inimum working condition of the unit If the unit is stable and exceeds the reference standard please consult your local dealer and Haier for sale After the unit is running smoothly check the following items Number Check item Inspection essential Judging reference standar 1 Voltage Voltmeter confirmation 10 of rated voltage 2 Operating current of a single compressor Galvanometer confirmation 6 23A ...

Страница 29: ... temperature of the heat exchanger and compare it to the evaporation temperature For example if the outlet temperature and the evaporation temperature differ by more than 5 7 C at the rated water flow rate the operating efficiency of the heat exchanger has been reduced and cleaning is required Since some chemical treatment is required during the cleaning process cleaning must be done by a professi...

Страница 30: ...tings Inspection protection Delay protector Phase sequence protector High and low voltage switch Water pressure difference switch water flow switch Overload protector Exhaust gas temperature protector 3 Shell and tube heat exchanger Check water quality Cleaning shell and tube heat exchanger Seasonal protection measures winter antifreeze 4 Finned heat exchanger Cleaning fins 5 Other Does the Y filt...

Страница 31: ... Controller Operation Instruction Appearance Wired Controller Instruction Main Interface Display 2016 01 06 18 00 SUN Operation status OFF Mode Cool Set water temp 25 C Water inlet temp 25 C Error code none ...

Страница 32: ...his button to enter menu setting function Back Except for the main interface press this button to back upper interface press this button for 5s to back main interface ROW Display Information 1 Year Month Hour Min Week Energy saving icon will display after the energy saving function was set 2 operation status ON OFF 3 operation mode If the linkage switch is off Icon will display If the linkage swit...

Страница 33: ...nterface If the password is wrong the pop display is as follows Functions Initialization interface When the wired controller is connecting with the unit the interface display is as follows After the wired controller connected with the unit the interface display is as follows only valid for part of models The password contains 4 numbers and please contact aftermarket personnel for the initial passw...

Страница 34: ...press button to confirm the selection System settings Under Menu interface press or button to select system setting item press button to enter the following system setting interface 1 Time setting Under above interface press or button to select Time setting function then press button to confirm your selection and turn into the following interface ...

Страница 35: ...r button to switch among the following options schedule cycle daily timing and cancel Press ok button to enter the chosen item After finishing the setting press button to confirm your operation Schedule a Press or button to select the timing item press button to set the chosen item and use button to adjust the time press button to confirm your operation b The default information of timing is cance...

Страница 36: ...g cancel function Press or button to enter Cancel function Then press button to confirm your cancel operation After the timing function is cancelled the information you set will be reserved Cautions a Power down will cause the daily timing function cancelled Schedule timing function and cycle timing function will not be affected b The wired controller will be turn off when power down after schedul...

Страница 37: ...tting functions Press or button to select the password setting item click button to enter the following interface The method of setting password is just as same as input the password The password contains 4 numbers and you can use or button to switch the numbers location and use or button to adjust the numbers ranging from 0 to 8 After the password was set press button to confirm the setting Syste...

Страница 38: ...g current error interface display Cautions Do not need to power down to recover the locked error Under the main interface press and button for 5s to recover the locked error of all the units Under the current error code interface press and button for 5s to recovery the error of current unit 2 History error Under error code inquiry interface press or button to select History error item click button...

Страница 39: ...ng Display setting interface Under the above interface press or button to switch the function options press button to select the item press or button to adjust the values and press button to confirm your setting 4 ECO Under Menu interface press or button to select ECO item press button to enter the following ECO interface ...

Страница 40: ...ion was set the icon will be displayed Cautions 1 The normally used temp range of wired controller 10 60 2 the wiring of wired controller The length of the wiring The size of the wiring 250m 0 75mm2 4 shielded wire The length of the wiring is not allowed to exceed 250m If it exceeds 250m it must be equipped with an adapter 1 Push down and remove the pendant from the bottom of the wired controller ...

Страница 41: ...39 2 Connect the wiring as follows Wiring color Line terminal White B Green A Black GND Red 12V ...

Страница 42: ...mp overload protection Auxiliary thermal overload protection have been shortened If there is any change no further notice will be given Terminal Interface Board 1 Terminal Interface Board 2 Handset Master Unit Of Modular Slave Unit Of Modular 1 Slave Unit Of Modular 2 Slave Unit Of Modular N ...

Страница 43: ...N ON ON Slave 14 ON ON ON ON Slave 15 Remark 1 The wiring diagram for module CA0065EANR 2 Dial code setting Factory Setting BM1 BM2 dial code setting BM1 dial code setting DIP1 DIP4 DIP5 DIP6 DIP7 DIP8 Address setting OFF OFF OFF OFF BM2 dial code setting DIP1 DIP8 Handset modular OFF HR65RBP 3 Factory setting Line switch Pump overload protection Auxiliary thermal overload protection have been sho...

Страница 44: ...e variable frequency side of the system compressor module 11 E21 1 2 Instantaneous overcurrent detection of the variable frequency side software of the system compressor module 12 E22 1 2 The heat sink of the system compressor module is too hot 13 E23 1 2 The system compressor module overloading 14 E24 1 2 The system compressor module undervoltage 15 E25 1 2 The system compressor module overvoltag...

Страница 45: ... 43 E59 1 2 Over temperature of coil outlet temperature sensor 1 2 of system recoverable 44 E60 1 2 Open circuit or short circuit in coil outlet temperature sensor 1 of system recoverable 45 E64 Overload protection of system pump in air conditioning side One lock 46 E65 Overload protection of system eletrical assisted heater in air conditioning side One lock 47 E68 Overtop or low protection of out...

Страница 46: ...ity Check the fan Heating 7 Short circuit found in air circuit Check the cause of short circuit and take troubleshooting Heating 8 Incomplete defrosting Replace the poor 4 way valve or defrosting sensor Heating 3 Too low exhaust pressure 1 Lack of refrigerant Adjust the charge of refrigerant Cooling heating 2 Low suction pressure Refer to Low Suction Pressure Cooling heating 3 Low ambient temperat...

Страница 47: ...ault in communication of wired controller 1 Incorrect unit numbering Check the unit numbering and correct it Cooling heatin g 2 Incorrect connection of communication wires Check the order of connection of communication wires 3 Damaged PCB Replace the PCB 4 Poor wired controller Replace the wired controller 10 Over current fault of compressor 1 High exhaust pressure and high suction pressure Refer ...

Страница 48: ...led water pressure Below 0 7MPa Chilled water quality Free from corrosive copper iron dissolved matters of welding materials Installation site Provided with snow protection and ventilation Ambient temperature Refer to the above diagram operating range Relative humidity Below 90 Optimal operating temperature 12 C for cooling 40 C for heating Note This operating range is measured according to GB T 1...

Страница 49: ... capacity KW Power input KW Heating capacity KW Power input KW Heating capacity KW Power input KW Heating capacity KW Power input KW 30 0 40 0 64 0 48 0 67 0 55 0 71 0 63 0 74 0 73 0 81 0 84 0 85 35 0 38 0 65 0 46 0 70 0 53 0 74 0 61 0 76 0 71 0 83 0 82 0 87 40 0 35 0 67 0 44 0 71 0 52 0 76 0 60 0 80 0 70 0 86 0 81 0 90 45 0 32 0 70 0 41 0 74 0 50 0 78 0 60 0 84 0 67 0 87 0 78 0 91 50 0 30 0 75 0 ...

Страница 50: ...48 14 Sensor charistic Model Discharging temp sensor Ambient temp sensor CA0065EANR R100 6 5K 3 B0 100 4010K 3 30 130 R25 5K 3 B25 50 3470K 3 30 105 ...

Страница 51: ...49 15 Appendixi table for manual updated information No Version Updated information 1 SYJS 2020 B Updated the datas of 13 Technical parameters 2 3 ...

Страница 52: ...50 Haier Commercial Air Condition Web Http www haier com Haier reserves the right to make change without any notice ...

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