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PIM00132A

Proper use results in power saving

Installation 

Pr

ocedure

Bef

ore 

Operation

Useful 

Functions

Maintenance

Tr

oub

leshooting

Optional 

Functions

Operating 

Pr

ocedure

Installation

Models

Menu

Series

AKZJ188

AKZJ358

AKZJ458

AKZJ568

AKZJ908

Handling

Optional Parts

Maintenance

Immersion type

Instruction Manual

AKZJ8 Series 

DAIKIN Oil Cooling Unit
 (“OILCON”) 

Built-in breaker 

model

Different-voltage 

model

CE model

Built-in heater 

model

Standard 

model

Built-in 

breaker 

model (–B)

CE model 

(–C)

Built-in 

heater 

model (–H)

Different-

voltage 

model (–E)

If the air filter is clogged, the cooling performance deteriorates, 

causing excess power consumption. 

Clean the air filter periodically to reduce power consumption.

Thank you for purchasing DAIKIN Oil Cooling Unit (“OILCON”).
This instruction manual includes instructions for using the Oil 
Cooling Unit.

To ensure proper use of this product, be sure to read through this 
instruction manual before using it.

After reading this manual, keep it handy for your future reference.

Before Operation

12

Model Identification and Specifications

14

Part Names and Functions

15

Names and Functions of the Control Panel Parts

16

Checking Initial Operating Conditions

18

Operation Setting

19

Holding constant tank liquid temperature

20

Tuning tank liquid temperature to room 
temperature (or machine temperature)

21

Cooling liquid in the tank at constant 
capacity (%)

22

CONTENTS

1

Safety Precautions

Oil Cooling Unit and Accessories

4

Precautions for Installation

5

Electric Wiring

7

Monitor Items

23

Timer Operation

24

Additional Setting Functions

25

Setting Additional Function

27

For Temperature Control Improvement

30

Alarm/Warning Output Logic

33

Alarm Settings for Optional Protection 
Devices (Installed by User)

33

Machine temperature tuning control

34

36

37

Maintenance/Inspection

• Daily maintenance/inspection

• Periodic maintenance/inspection

• To leave the unit unused for a long period

Troubleshooting

• When the unit operation seems abnormal 

although no alarm is activated

• When an alarm is activated

Communication with main machine

35

      

PIM00132A_EN.fm  -1 ページ  2007年9月20日 木曜日 午後3時4分

Summary of Contents for AKZJ188

Page 1: ...e using it After reading this manual keep it handy for your future reference Before Operation 12 Model Identification and Specifications 14 Part Names and Functions 15 Names and Functions of the Control Panel Parts 16 Checking Initial Operating Conditions 18 Operation Setting 19 Holding constant tank liquid temperature 20 Tuning tank liquid temperature to room temperature or machine temperature 21...

Page 2: ......

Page 3: ...and Health Law 2 Fire Service Law 3 JIS B8361 General Rules for Hydraulic Systems Precautions for installation Only qualified technical experts can handle the unit Connect the power cable according to the procedure described in Electric Wiring on page Connect the power cable according to the procedure described in this instruction manual Check the weight of the unit with the nameplate to make sure...

Page 4: ...his period electric discharge from the internal high voltage parts capacitors has not been completed Failure to observe this instruction may result in electric shock Dot not handle the unit for 5 minutes after power supply is turned OFF Do not install this unit in a place where evolution inflow retention or leak of inflammable gas may be expected or where airborne carbon fiber is present Failure t...

Page 5: ...emperature which may result in damage to the machine Cancel operation lock before running the main machine Do not use this unit in special atmosphere including dust oil mist high temperature or high humidity Do not use the unit in special atmosphere Before executing a trial run make sure that the main machine is set in safe conditions the main machine will not run or no accident occurs even if the...

Page 6: ...s power consumption Clean the air filter periodically to reduce power consumption Thank you for purchasing DAIKIN Oil Cooling Unit OILCON This instruction manual includes instructions for using the Oil Cooling Unit To ensure proper use of this product be sure to read through this instruction manual before using it After reading this manual keep it handy for your future reference Before Operation 1...

Page 7: ...ange 2 Give thorough consideration to the layout of the partitions and inlet outlet piping for the installation tank so that the low temperature liquid that has been cooled with the OILCON unit can be uniformly mixed with the high tem perature liquid returned from the machine Installation place and oil piping To install this unit select a place that meets the following conditions Do not place an o...

Page 8: ... machining dimensions of the installation tank from the table below Unit mm Through hole Tank top plate OILCON B1 B2 B3 C2 C1 4 M8 Tapping hole A Reference dimension If cutting swarf or chips accumulate on the OILCON cooling coil surface it results in cooling capacity deterioration and also causes a fault of the unit Be sure to attach a highly efficient return filter at the return liquid inlet por...

Page 9: ...ON the power supply for the Oil Cooling Unit the following three methods are available Starting stopping the Oil Cooling Unit 1 2 3 When the circuit breaker for the main machine is turned ON the Oil Cooling Unit starts operation To stop the unit turn OFF the circuit breaker for the main machine Directly starting stopping the Oil Cooling Unit with the main machine power supply When the remote contr...

Page 10: ...e top plate mounting screws and remove the top plate 1 Insert the power cable into the power cable insertion hole φ28 in the side plate of the unit When using the different voltage model E insert the power cable into the transformer box 2 Insert the remote control signal cable and external output signal cable into the signal cable insertion hole φ22 in the side plate of the unit Connect the power ...

Page 11: ...ctrical equipment box Typical Connection of remote control input To execute remote control connect the cable according to the procedure below Local procurement items Component Single pole single throw remote control switch or a contact that enables operation command output Note Select a switch whose minimum allowable load is 12 VDC and 5 mA Single core cable φ1 2 AWG16 or twisted cable 1 25 mm2 AW...

Page 12: ...use a surge absorber CAUTION Normal Normal or power failure Alarm or power failure Alarm Value of the first digit in alarm output logic parameter n01 0 Factory setting Positive action 1 b contact Operation status Power OFF including power failure Power ON Run Run Run Alarm level 2 Alarm level 1 Power supply Remote control contact Operation panel Normal a contact Alarm Stop Power OFF b contact Agit...

Page 13: ...X2M Alarm level output Alarm Power failure Agitator operation Normal Alarm and run signals 60 61 62 63 64 66 67 10 11 12 13 30 31 Temperature range warning Short circuit bar H model only Other than B model B model S4B1 CE model only C3 M1K M 1 θS1B Blue Red White CN16 T1 T3 L1 L3 H1M A1 A2 FU6 J1H White White FU7 1 Tr W V U 2 4 6 Optional parts Optional parts A4P A3P Th Fin TH01 Communication LED1...

Page 14: ...g Weight A Internal circuit breaker Rated current A B C 980 360 440 980 450 630 103 41 38 10 Required for the models other than B 3 phase 200 200 220 VAC 50 60 Hz 3 3 phase 200 200 220 VAC 50 60 Hz 12 24 VDC White Open coil type Cross fin coil type 1φ 50 W 4P Room temperature or machine temperature 4 Factory setting Room temperature Mode 3 Tank liquid temperature Within 9 9 relative to reference t...

Page 15: ... 6kVA H E 3 Standard B C 2 4 φ400 90 W 4P φ450 150 W 4P 1 25 1 65 65 68 Tank Depth 400 mm or more supply pump float switch return filter 15 20 Oil Cooling Unit equivalent horsepower HP Cooling capacity 50 60 Hz 1 kW kW 200 V 50 Hz 200 V 60 Hz 220 V 60 Hz mm K C C C kg Heater Power supply 2 Transformer capacity Exterior color Outer dimensions H W D Compressor Fully enclosed DC swing type Evaporator...

Page 16: ...drocarbon type Water glycol type W O O W emulsion type 2 Chemicals and food liquids drinking water etc 3 Fuels kerosene gasoline etc 4 Water other than for industrial use 6 Before operating the Oil Cooling Unit be sure to read through this instruction manual and understand the contents of this manual CAUTION Before Operation Before operating the Oil Cooling Unit check the following items Operating...

Page 17: ...c expansion valve through heat exchange between the refrigerant and oil to produce low temperature low pressure gas refrigerant Improves the cooling efficiency by agitating the liquid in the tank Detects the controlled liquid temperature in the tank 9 10 11 12 13 14 15 16 Air filter Room temperature thermistor Circuit breaker B only High pressure pressure switch C only Compressor protection thermo...

Page 18: ...l mode SETTING Operation setting mode MONITOR Monitor mode TIMER Timer setting mode When an alarm is activated Blinks Operation stops Alarm level 1 Lit Only the compressor stops Alarm level 2 Display the current operation mode NORMAL SETTING or the data number currently displayed on the data display Decrements the number of operation mode or data number value by one If you keep pressing this key t...

Page 19: ...ue 19 22 page Monitor mode MONITOR lamp is lit Displays the current value of each thermistor etc 23 page Timer setting mode TIMER lamp is lit Used to set up time for the ON timer 24 page 1 The operation modes marked with a circle can be used for normal operation 2 Parameter means a constant to be defined for each setting Mode changing operation Normally the key is used to shift between individual ...

Page 20: ...odels the factory settings may be different from the above Holding constant tank liquid temperature Tuning tank liquid temperature to room temperature or machine temperature Cooling liquid in the tank at constant capacity Check the indication on the control panel The DAIKIN factory setting is the Operation lock mode 1 You hear tick sound after power ON while the electronic expansion valve is under...

Page 21: ...2 0 100 None Tuning temperature control 9 9 9 9 K 3 p 21 4 p 21 9 9 9 9 K Tank liquid temperature Tank liquid temperature An example of a main machine coolant system using the Oil Cooling Unit is shown below System outline drawing Description on the refrigerating cycle 4 1 For control target measuring points see the figure below 2 Optional function using optional parts 3 Operation modes 1 2 and 5 ...

Page 22: ...s 1 Select the operation setting mode When the number on the operation mode display is blinking change the number to 0 with the or key 2 Change the operation mode After the number is registered the number on the data display blinks The number on the operation mode display remains lit 3 After changing the number press the key to register it After the temperature setting is registered the number on ...

Page 23: ...perature to room temperature Tuning tank liquid temperature to machine temperature 34 Setting procedure Go to the operation setting mode with the key See Mode changing operation on page The SETTING lamp on the operation mode indicator lights The number on the operation mode display blinks 1 Select the operation setting mode When the number on the operation mode display is blinking change the numbe...

Page 24: ...capacity Setting procedure Go to the operation setting mode with the key See Mode changing operation on page The SETTING lamp on the operation mode indicator lights The number on the operation mode display blinks 1 Select the operation setting mode When the number on the operation mode display is blinking change the number to 9 with the or key 2 Change the operation mode After the number is regist...

Page 25: ... detected with the thermistor and input output values simultaneously appear on the data display Machine temperature Th5 Not used Room temperature Th3 Tank liquid temperature Th4 Not used Not used Capacity command value Compressor inverter rotation speed rps Not used Status of expansion DIN third digit DOUT first digit Go to the monitor mode with the key See Mode changing operation on page The MONI...

Page 26: ... the value on the data display to a desired value with the or key The unit of set value is h hour 2 Specify an operation start time Press the key to register the timer setting When the timer is activated the Oil Cooling Unit is halted The value on the data display blinks The TIMER lamp red LED blinks Keep the main power supply ON 3 Set up the timer With the built in heater model H the electric hea...

Page 27: ...Necessity of power supply reset Unit Initial value Factory setting Maximum value Minimum value Item Remarks No Communication with main machine Alarm output logic Warning Auto tuning Not used Alarm output logic OP contact level OP2 contact level Outlet oil temperature decrease Auto tuning end condition P I gain calculation coefficient Response coefficient Control gain P for low deviation Control ga...

Page 28: ... number with the or key After the selected parameter number is displayed for approx 0 5 seconds on the data display the set value appears 2 Select a parameter number Press the key to register the parameter number After the number is registered the value on the data display blinks P on the data number display remains lit 3 Register the parameter number After the set value is registered the value on...

Page 29: ...ration The above 1 2 and 3 can be combined Parameter setting To enable this function set the corresponding parameters You can specify up to five warning conditions with the following five groups of parameters For temperature range warning the above 1 to 5 types are available Actually however any combinations of these types are enabled The above 1 to 5 types can be simultaneously used 1 When Tank l...

Page 30: ...tput Rely 30 output ON External output Rely 30 output ON FH alarm FH alarm External output Rely 30 output ON Tank liquid temperature Th4 Room temperature Th3 Machine temperature Th5 Third digit n10 2 n12 3 n14 4 n16 n10 462 n12 455 n14 341 141 n16 431 411 1 2 3 1 4 6 4 4 3 1 4 5 4 3 1 5 1 2 3 1 4 5 Second digit First digit 1 When Tank liquid temperature Th4 is 15 C or lower the compressor stops Wa...

Page 31: ...e compressor stops Warning When Tank liquid temperature Th4 becomes 17 C the warning status will be automatically reset When Tank liquid temperature Th4 is 35 C or higher the compressor stops FH alarm and the 30X relay output turns ON When Tank liquid temperature Th4 is at least 5 C lower than the room temperature Th3 or machine temperature Th5 the 30X relay output turns ON When the difference bet...

Page 32: ...nutes at 100 capacity Stop Stop Select a desired operation mode Note 1 3 Note 4 Note 5 Note 6 After completion T Deviation C T Deviation C T Deviation C ForTemperature Control Improvement Auto tuning mode Outline of the function Depending on the system of the main machine problems of unstable temperature control or slow response in temperature control may be raised In such cases it is possible tha...

Page 33: ... of temperature control gain P and I from collected data and writing gain into each parameter Operation at 0 capacity Stop 6 Completion of auto tuning Operation at 0 capacity Stop Normal mode Normal Normal Normal Normal Original operation mode Keep pressing these keys simultaneously for two seconds Error Cancel Cancel Cancel Cancel Cancel Cancel Cancel Cancel Cancel Operation at 0 capacity Stop Er...

Page 34: ...ecified temperature range is too small temperature control gain may not be correctly calculated You should set this parameter to the maximum value in the range where it does not cause damage to the machine 5 To calculate more suitable temperature control gain based on the data collected in Step 3 you must specify a response coefficient in Parameter n05 Through response coefficient adjustment you c...

Page 35: ... an alarm by receiving an output signal from optional protection devices e g flow switch When using OP terminals 12 and 13 1 Connect the signal cable of the optional protection device to terminals 12 and 13 on the Oil Cooling Unit signal terminal block See Outline of electrical equipment box on page 2 Set Parameter n02 0 OP terminal is not used Factory setting 1 When OP contact turns OFF Alarm Lev...

Page 36: ...erminal block in the electrical equipment box No polarity See Outline of electrical equipment box on page Optional Parts Mounting procedure Type Name Dimensions Application Installed by user Compatible model AKZ8 OP K10 AKZ8 OP A5 AKZ8 OP A10 10 m 5 m 10 m AKZ8 OP K5 5 m For machine temperature tuning control attached to machine body surface For machine temperature tuning control embedded in machi...

Page 37: ...support 4 Mounted to sheet metal inner surface Inverter board Prepared by user Prepared by user Optional Parts Communication with main machine When this optional board is mounted to the Oil Cooling Unit to connect this unit to the main machine 1 You can change the operation mode and operation setting from the main machine 2 You can read the Oil Cooling Unit alarm code and temperature data machine ...

Page 38: ...ry two weeks If the air filter is clogged with dust the wind volume reduces resulting in capacity deterioration Also the compressor s protection device is activated hindering smooth operation Furthermore it causes power consumption increase Operating the unit without the air filter causes a fault To remove the air filter hold the bottom of the filter with both hands and push it up while warping it...

Page 39: ...he control panel is pressed the erroneous operation prevention switch is set to ON 4 The low ambient temperature protection device has been activated Room temperature is 2 C or lower 1 The remote control input 10 11 is OFF 1 The compressor is stopped under temperature control 5 The capacity setting is 0 Mode 9 1 There is an obstacle near the air intake exhaust port 2 The air filter is clogged 3 Th...

Page 40: ...rated in the unit has been activated 1 The heating value of the main machine has exceeded the cooling capacity of the Oil Cooling Unit Improper model selection 3 The unit is running under capacity suppressing control because the standard temperature room temperature 35 C tank liquid temperature 35 C has been exceeded Refill the operating liquid Check the connector insertion and wire break Replace ...

Page 41: ... power supply environment Take noise suppressing measures Make sure that the L3 phase is properly connected to the power supply terminal block Check the condition detected with the relevant protection device Make sure that the power supply voltage conforms to the rating Check for instantaneous voltage drop at startup of peripheral equipment Make sure that the slave communication line is properly c...

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Page 44: ... Equipment Osaka Office DAIKIN Esaka Building Tarumi cho 3 21 3 Suita Osaka Japan 564 0062 TEL 81 6 6378 8764 FAX 81 6 6378 8738 E mail Address hyd_eco daikin co jp Home Page http www daikin co jp PIM00132A HT 0710 ...

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