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103

9. MAINTENANCE [How to Service the Air Compressor]

①

Turn off the power and wait approximately 10
minutes. Next, remove the front door and then
remove the cover of control panel

②

Check that the charge lights of the controller and fan
inverter are off. Check for abnormal overheat,
discoloration, abnormal odor, and contamination.

③

Blow off the dust by dry air

④

During periodical maintenance, re-tighten the
terminals, check the conductor and insulator for
corrosion, and inspect/replace the cooling fan and
smoothing capacitor.

Contact the local HITACHI distributor/master dealer or
representative office for the detail.

Charge lamp (fan inverter)
(Check that it is off.)

Charge lamp (controller)
(Check that it is off.)

Air-Cooled

16

Inspection of Controller and Fan Inverter

(The fan inverters are provided only with

Air-Cooled

.)

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Содержание DSP-45AT6N

Страница 1: ...RNING Indicates warnings If handled improp erly death or severe injury could result CAUTION Indicates cautions If handled improp erly injury and or physical damage could result Air Cooled Indicates air cooled type Indicates water cooled type Indicates variable speed type Water Cooled IMPORTANT Indicates information that needs attention other than WARNING and CAUTION Indicates a reference page Prio...

Страница 2: ...al are subject to change without notice Please be forewarned The product drawing in this manual shows DSP 75VWTN as a typical example D S P 75 V W T 6 N Dry or oil free rotary Screw air compressor Packaged NEXTseries Frequency 5 50 Hz 6 60 Hz Two stage Cooing Method A air cooled W water cooled V V type without V fixed speed type Nominal Output kW Never remove a protective device from the air compr...

Страница 3: ...or Room 47 6 STARTUP OPERATION 6 1 Startup Operation of the Air Compressor 49 6 2 Initial Setting of OMR Regulator 52 7 WIRING 7 1 Power Supply Equipment 53 7 2 MIV and WIVM wiring 53 7 3 Connecting the Power Cable 54 7 4 Wiring Diagram 56 7 5 Control panel LCD Monitor Specifications 57 8 STANDARD COMPONENTS 8 1 Standard Components 67 AND SUBSYSTEMS 8 2 Air Oil Water Flow 68 8 3 Cooling Water 74 8...

Страница 4: ...Surface Discharge Air Pipe Air End Heated Discharge Air Pipe Air End Heated Fixed speed type Vtype Electric Shock Hazard Electric Shock Hazard Inside the enclosure WARNING WARNING Do not directly touch any component inside the air compressor enclosure when the air compressor is operating or immediately after it has stopped as the components are extremely hot and can cause severe injury Before serv...

Страница 5: ...icing the air compressor stop it disconnect the power especially when accessing any rotating parts Electric Shock Hazard Before servicing or wiring the air compressor disconnect the power This will prevent anyone from turning on the power and causing an electric shock that could lead to severe injury or death Do not allow any unlicensed person to wire the air compressor Always use a licensed elect...

Страница 6: ...it has stopped as the components are extremely hot and can cause severe injury Before servicing the air compressor stop it disconnect the power then wait for the air compressor to cool down Before servicing or wiring the air compressor disconnect the power This will prevent anyone from turning on the power and causing an electric shock that could lead to severe injury or death Do not allow any unl...

Страница 7: ...ays use a licensed electrician Ground the air compressor WARNING WARNING WARNING WARNING Hot Surface Do not directly touch the air end discharge air pipe and coolers when the air compressor is operating and immediately after it has stopped because these parts are heated then Before servicing the air compressor especially when accessing to the heated parts stop it disconnect the power and wait unti...

Страница 8: ...ing and installing the DSP air compressor Read carefully the plate before operating and servicing the DSP Open the left door only when servicing the DSP air compressor Keep it closed when operating the DSP air compressor This panel discharges the hot air generated in the air compressor Check the specifications power supply and voltage before connecting the power supply Air Intake Air Exhaust Air I...

Страница 9: ... the plate before operating and servicing the DSP This panel discharges the hot air generated in the air compressor Check the specifications supply voltage and frequency before connecting the power Vtype only Air Exhaust Air Compressor Package Air Intake Inlet to the Air End Left Door Open the left door only when servicing the DSP air compressor Keep it closed when operating the DSP air compressor...

Страница 10: ... filter Oil mist remover OMR Discharge pipe Compressed air discharge Oil level gauge Control panel Enclosure Instrument panel Main motor Oil filter 1st stage Airend 2nd stage Airend Check valve Cooling fan Common base Air relief valve Front View Rear View Air Cooled DSP 45 55 75ATN DSP 55 75VATN ...

Страница 11: ...take filter Oil mist remover OMR Control panel Enclosure Instrument panel Main motor Discharge pipe Compressed air discharge Check valve Common Base Air relief valve Oil filter 1st stage Airend 2nd stage Airend Oil level gauge Front View Rear View Water Cooled DSP 45 55 75WTN DSP 55 75VWTN ...

Страница 12: ...r whichever comes earlier UP DO WN AUTO MONITOR MENU SET SELECT WIDE 2 RUNNING CONTROL START REMOTE 1 FUNC 10h ALARM STR REMOTE RUNNING MODE AUTO START POWER LOAD RESET SHUTDOWN STOP MONITOR UNLOAD STOP Verify that air containing condensate is discharged intermittently from the intercooler and aftercooler drain ports The higher the temperature and humidity the more condensate is produced Condensat...

Страница 13: ...e air compressor then unloads for 5 minutes and stops running In the case of an emergency press the EMERGENCY STOP button to stop operation Stopping Operation UP DO WN AUTO MONITOR MENU SET SELECT WIDE 2 RUNNING CONTROL START REMOTE 1 FUNC 10h ALARM STR REMOTE RUNNING MODE AUTO START POWER LOAD RESET SHUTDOWN STOP MONITOR UNLOAD STOP Keeping the second stage air end as dry as possible is essential...

Страница 14: ...reases brightness SET buttons Decreases brightness 3 3 6 MONITOR button Switches the monitor display 3 3 1 AUTO light yellow ON glowing when an automatic operation an AUTO operation a scheduling operation or lead lag operation is activated ON blinking when external calendar or scheduling operation is abnormal 3 3 3 3 3 5 RESET button Resets SHUTDOWN and ALARM screens 3 3 3 REMOTE button Activates ...

Страница 15: ... running after removing the condensate from the air end 3 2 2 Digital Monitor Used for basic settings as well as other various settings in combination with the LCD monitor 3 3 6 ALARM light green Blinks if an alarm failure occurs EMERGENCY STOP button Stops for emergency 3 2 3 POWER light yellow Lights up when the main power is turned on REMOTE light green ON glowing when the REMOTE button is pres...

Страница 16: ... 㻚㻖䡇䠳 The asterisk blinks when the clock and total running hours are active 5 seconds 3 2 2 Start Stop When the START button is pressed the START light turns on and the compressor starts operating When the compressor starts running the asterisk on the right side of running hours blinks and running time starts to be counted To stop the operation press the UNLOAD STOP button Operation stops after...

Страница 17: ... 㻵㻻㻺㻰㻭㼀㻭㻢䠊㻸㻻㻭㻰㻰㻭㼀㻭㻣䠊㻭㻸㻭㻾㻹㻴㻵㻿㼀㻻㻾㼅㻤䠊㻿㻴㼁㼀㻰㻻㼃㻺㻴㻵㻿㼀㻻㻾㼅㻿㻱㼀䠖㻻㻼㻱㻺㻹㻻㻺䠖㻮㻭㻯㻷 Function Menu display Monitor Screen 3 3 2 Monitor display 1 Monitor display 2 Monitor display 3 Message Screen 3 3 3 Menu Screen 3 3 4 MONITOR MENU MONITOR MONITOR MONITOR 3 3 1 How to Move between the Various Displays Menu Displays Follow the bottom line message on the...

Страница 18: ... 㻖㼜㼟㼕㼀㻱㻹㻼㻱㻾㻭㼀㼁㻾㻱㻰㻵㻿䠊㼀㻱㻹㻼㻝䠖㻟㻞㻥䜪㻲㻰㻵㻿䠊㼀㻱㻹㻼㻞䠖㻟㻟㻤䜪㻲㻻㻵㻸㻌㼀㻱㻹㻼䠖㻟㻝䜪㻲㻯㻸㼀䠊㼀㻱㻹㻼䠖㻖㻖㻖䜪㻲㻞㻺㻰㻌㻿㼁㻯㼀䠊㼀䠊䠖㻝㻢䜪㻲㻹㻭㻵㻺㼀㻱㻺㻭㻺㻯㻱㻴㻾䠊㼀㻻㻌㻹㻭㻵㻺㼀䠖㻜㻜㻜㻜䡄㻺㻱㼄㼀㻌㻹㻭㻵㻺㼀䠖㻖㻖㻖㻖䠆㻝㻝 1 Indicates current time An asterisk blinks 2 Indicates the control state 3 Indicates a discharge pressure DIS PRESS 4 Indicates total r...

Страница 19: ... single stage compressor Malfunction detection of dryer is available for only built in dryer types Malfunction detection of oil water separator and element is not available Example When the air compressor stops running with blinking FAILURE and TEMP SNSR ERR the temperature sensor 1 is disconnected 㻞㻜㻝㻠䠋㻜㻝䠋㻜㻝㻝㻥䠖㻝㻥㻖㼀㼅㻼㻱䠖㼂㻿㻰㻭㻌㻌㻌㻌㻌㻌㻰㻵㻿䠊㻼㻾㻱㻿㻿䠖㻠㻢㼜㼟㼕䠘㻲㻭㻵 ...

Страница 20: ...AUTO light glows This indicates that the air compressor in AUTO operation has stopped due to the low air demand and is waiting for restarting when demand is needed The RESTART WAIT field shows an expected waiting period until the air compressor can restart in seconds INSTANT STOP RETRY Retry is for only Vtype AUTO light blinks For both fixed speed and Vtype this indicates that the air compressor h...

Страница 21: ... operating hours to the next maintenance has been zero until the maintenance is done After maintenance and resetting the counter new counting time starts just after the maintenance notice message has appeared on the display 1 SWITCH TO LOCAL If set to local by remote operation following shutdown restoration the compressor will automatically return to local operation in case of a shutdown and the m...

Страница 22: ... 㻱㻰㼁㻸㻱㻡䠊㻻㻼㻱㻾㻭㼀㻵㻻㻺㻰㻭㼀㻭㻢䠊㻸㻻㻭㻰㻰㻭㼀㻭㻣䠊㻭㻸㻭㻾㻹㻴㻵㻿㼀㻻㻾㼅㻤䠊㻿㻴㼁㼀㻰㻻㼃㻺㻴㻵㻿㼀㻻㻾㼅㻿㻱㼀䠖㻻㻼㻱㻺㻹㻻㻺䠖㻮㻭㻯㻷㻝㻹㻻㻰㻱䠖㻞䠊㻰㼁㻭㻸㻌㼀㻵㻹㻱䠖㻌㻡䠊㻜㼔㻟䠊㻹㻱㼀㻴㻻㻰䠖㻠䠊㻿㼃㻵㼀㻯㻴㻻㼂㻱㻾䠖㻜㻝㻡㼟㻭㻼㻻㼂㻾㻾㻸㻳㻸㻿㻺 Press the and buttons to move to the desired item number Press the button to move to the desired setting field Press the and ...

Страница 23: ...e number of compressor stages Displays pressure specification Displays interstage pressure Indicates CT setting value Displays water failure detection conditions for water cooled compressor Displays status of instantaneous power interruption IPI restart setting Displays compressor number Must be distinguished by number is using communication function When contacting the local Hitachi distributor i...

Страница 24: ...me limit of load unload one cycle time for ECOMODE Load unload one cycle time must be 30 second or more 3 4 8 1 to 5 Five Start Stop Time Patterns START Starting Time STOP Stopping Time Y or N Yes starts or stops as scheduled 2 3 RECORD1 2 This function allows for the capability to record data over a desired time in a day To view the recorded data refer to 5 Operation data display on the next page...

Страница 25: ...data will applied after the change Press the or button to move within the display 1 and 2 Indicates the MONTH DAY HOUR MINUTE P Represents a pressure psi and indicates from left to right Discharge air pressure Interstage pressure Oil pressure C Represents an amperage current A T Represents a temperature F and indicates from left to right 1st stage discharge air temperature 2nd stage discharge air ...

Страница 26: ...tting for United States ON OFF ON Test mode ON ON OFF Power must be turned off before setting Function Item LCD monitor operation Digital monitor F mode Remarks MULTI U SETTING display MODE F000 Dual backup etc DUAL TIME METHOD SWITCHOVER BACKUP Differential pressure UNLOAD Differential pressure ALT TIME automatic change CONTROL MODE Factory set V type only CONTROL SETTING display TYPE left F019 E...

Страница 27: ...WIDE button Load count is displayed on the screen in units of 10 000 times with U Press the SELECT WIDE button Operation frequency of the fan motor is displayed on the screen with d To return to one item at a time press the 2 button To return to discharge pressure press the RESET button If the alarm or shutdown light is blinking the shutdown code is displayed with E0 4 1 E0 indicates the contents ...

Страница 28: ...ischarge pressure display 1 Press once to go to the next item SELECT WIDE 1 Press once to go to the previous item 2 No 4 ECOMODE Cycle time 30 second No 0 Control status A Capacity Ctrl system No 1 Cut out pressure 1 100 100 psi No 2 Cut in pressure 1 085 85 psi No 3 Pres diff 1 007 7 psi No 5 Cut out pressure 2 100 100 psi No 6 Cut in pressure 2 085 85 psi No 7 Pres diff 2 007 7 psi No 8 IPI sett...

Страница 29: ... 1 Multiple unit control communication supported Instantaneous power interruption IPI restart setting F002 Instantaneous power interruption IPI setting 0 1 1 0 0 Valid 1 Invalid F003 Instantaneous power interruption IPI detection period setting 1 5 1 sec 1 When the IPI function is available instantaneous power interruption is detected between 20 ms and the setting detection period set here and air...

Страница 30: ...88 1 psi 0 01 MPa 128 0 88 F024 Cut in pressure 1 psi MPa 73 122 0 5 0 84 1 psi 0 01 MPa 120 0 83 F025 Restart pressure 1 psi MPa 73 122 0 5 0 84 1 psi 0 01 MPa 120 0 83 Pressure setting 2 2 F031 Control pressure2 psi MPa 73 125 0 5 0 86 1 psi 0 01 MPa 125 0 86 F032 Cut out pressure 2 psi MPa 73 128 0 5 0 88 1 psi 0 01 MPa 128 0 88 F033 Cut in pressure 2 psi MPa 73 122 0 5 0 84 1 psi 0 01 MPa 120 ...

Страница 31: ...ART REMOTE RUNNING MODE AUTO START POWER LOAD SHUTDOWN STOP UNLOAD STOP In item F018 pressure setting 1 and 2 can be switched This function is available for IPI between 20 ms and the set value F003 1 to 5 sec When IPI occurs the air compressor stops and the START light turns off After power recovers within F003 set condition the AUTO light blinks and the START light turns ON growing to inform that...

Страница 32: ...emote operation Switch the display from monitor mode to setting mode F mode Change the value of F005 to 2 Remote 3 4 2 REMOTE light turns ON glowing to indicate the remote operation is effective 3 To change the Local or remote operation by external contact Contact the local HITACHI distributor master dealer or representative office Connect the external contact wiring 7 4 Switch the display from mo...

Страница 33: ...ffective 5 4 5 Energy Saving Effect Load Unload Time Cut out pressure Cut in pressure Line pressure Cut out is automatically reduced Factory setting Pressure differential between cut in and cut out pressure 15 psi 0 1 MPa Allowable pressure differential for ECOMODE 7 psi 0 05 MPa unable to change Minimum cycle time 30 seconds 3 4 7 Pressure Setting Switching Function Two different combinations of ...

Страница 34: ...he discharge air pressure and verify that the maximum discharge air pressure is less than the rated pressure When using the air compressor do not raise the discharge pressure excessively Operating the air compressor over the rated pressure can result in main motor overload shutdown of the airend and or damage of parts If the air relief valve has blown or a protective device has shutdown the air co...

Страница 35: ... the air compressor Be careful not to damage the parts such as coolers and casing by cooling water freezing 㻞㻜㻝㻠䠋㻜㻝䠋㻜㻝㻝㻥䠖㻜㻞㻼㻾㻱㻿㻿㼁㻾㻱㻵㻺㼀㻿㼀㻳䠊㻼䠖㻞㻤㼜㼟㼕㻻㻵㻸㻌㻼㻾㻱㻿䠖㻞㻞㼜㼟㼕㻯㻸㼀䠊㻼㻾㻱㻿䠖㻖䠊㻖㻖㼜㼟㼕㼀㻱㻹㻼㻱㻾㻭㼀㼁㻾㻱㻰㻵㻿䠊㼀㻱㻹㻼㻝䠖㻟㻞㻥䜪䠢㻰㻵㻿䠊㼀㻱㻹㻼㻞䠖㻟㻟㻤䜪䠢㻻㻵㻸㻌㼀㻱㻹㻼䠖㻟㻝䜪䠢㻯㻸㼀䠊㼀㻱㻹㻼䠖㻖㻖㻖䜪䠢㻞㻺㻰㻌㻿㼁㻯㼀䠊㼀䠊䠖㻝 ...

Страница 36: ...cles accumulate on the valve plate of the suction throttle valve the suction vacuum pressure may drop and eventually causing the discharge air temperature to rise The first steps to resolve the lower suction vacuum pressure are as following If the unloaded interstage pressure drops as low as 12 psi 0 08 MPa or discharge air temperature is gradually increased A Clean or replace the air intake filte...

Страница 37: ... the regulating bolt to keep the oil pressure at the specified 18 psi to 23 psi 0 12 to 0 16 MPa a 18 psi to 23 psi 0 12 to 0 16 MPa when the ambient temperature is 68 degree F 20 degree C or higher b 20 psi to 26 psi 0 14 to 0 18 MPa when the ambient temperature is 68 degree F 20 degree C or lower for V type adjust at the maximum operating frequency Turn the regulating bolt clockwise to increase ...

Страница 38: ...Press RESET button 55 E0 55 2nd stage discharge air temperature HIGH DIS TEMP 2 For working pressure of 100psi 0 69 MPa About 446 428 230 220 or higher For working pressure of 125 psi 0 86 MPa About 500 482 260 250 or higher SHUTDOWN Blinks Thermistor Yes 4 2 Press RESET button 56 E0 56 Interstage Pressure INTSTG P For fixed Speed type 39 psi 0 27 MPa or higher For Vtype 44 psi 0 30 MPa or higher ...

Страница 39: ...TEMP SNSR ERR 4 TH4 disconnected SHUTDOWN Blinks CPU Yes Press RESET button 36 E0 36 Oil temperature sensor error TEMP SNSR ERR 5 TH5 disconnected SHUTDOWN Blinks CPU Yes Press RESET button 37 E0 37 During Operation Note 1 LCD Indication What and How to Detect Failure Light Detector Shutdown What Actions to Take How to Reset History code Error code Heading Trouble Description ALARM Clogging of air...

Страница 40: ...nce of instantaneous overcurrent E33 Communication error 2 Communication error between controller and PC board Electrical noise E35 Main motor overheat Excessive temperature of main motor Cooling fin air intake hole clogging of cooler high ambient temperature a Controller shutdown code If the shutdown code XX is it indicates that there is no shutdown history Also when anything other than shutdown ...

Страница 41: ...eous power interruption approx 1 to 5 seconds 03 Note 1 recorded with 04 Voltage drop to 0V operation stop Restart after power recovers 3 Power failure 04 Note 2 Power interruption for 5 second or more Stop the operation and restart Note 1 Vtype records both 03 and 04 Note 2 Fixed speed type does not record the history Note 3 Vtype records 2 times of 04 by PC board and DCBL controller In addition ...

Страница 42: ... T D O W N H I G H D I S T E M P 2 P r e s s R E S a f t e r C H K 1 Cooling water pump failed or cooling water temp Fluctuating Water cooled type 2 Intercooler Dirty 1 Check the cooling water system Water cooled type 2 Clean the intercooler Shutdown Oil temperature S H U T D O W N O I L H I G H T E M P P r e s s R E S a f t e r C H K 1 Oil cooler Dirty 2 Room temperature High 3 Oil temperature co...

Страница 43: ...internal pressure YES NO Problems and actions to be taken are as follows Oil is vented through the ejector s compressed air outlet the separated oil is not being recovered Oil pressure is low oil pump may be inhaling air Accumulated oil is visible in the tube between the element housing and the float trap Clean the nozzle of the float trap Upper or lower packing is not seated properly on the eleme...

Страница 44: ... Common Base Fork Slot Cover Bolt M6 15 Air cooled Fixed speed type Vtype Foundation bracket bolts nuts 1 set FORK SLOTS COVER set 1 set R NPT 1 4B FITTING 3 pcs 2 pcs R NPT 1 2B FITTING 4 pcs 4 pcs HANDLE 1 pc 1 pc Motorized Isolation Valve ASSY 1 set GREASE PUMP 1 pc 1 pc RMS GREASE 1 pc 1 pc Water cooled Fixed speed type Vtype Foundation bracket bolts nuts 1 set FORK SLOTS COVER set 1 set R NPT...

Страница 45: ...il To prevent noise and vibration Do not set the air compressor on blocks Causes motor insulation failure bearing damage microcomputer malfunction Causes deterioration of oil wear of cooler detachment of coating from rotor surface Prohibited 1 Keep flammable solvents or any other hazardous chemicals away from the air compressor Such chemicals may be ingested into the air compressor and could cause...

Страница 46: ...e detail As shown in the figure above when one compressor is operating and the other is stopped with opening the stop valve back pressure is applied to the aftercooler and check valve of the stopped air compressor This may cause more condensate going into the air compressor and more rusting of aftercooler and check valve Use the degreased pipe as a plant airline pipe Install an isolation stop valv...

Страница 47: ... 45 55 75WTN 100 125 0 69 0 86 620 USgal 2 26 DSP 55 75VATN DSP 55 75VWTN 100 125 0 69 0 86 400 USgal 1 24 CAUTION Do not install a check valve between this air compressor and the air receiver tank This could result in short cycling frequent loading and unloading and operating problems to the capacity control system 5 4 3 How to Install Automatic Discharge Valve The air compressor is equipped with...

Страница 48: ... line connect the control air pipe to the connection marked A on the filter regulator of the Oil Mist Remover This piping and compressed air shall be supplied by customer A Pressure gauge Filter Regulator The control air must be as dry as possible Run the control air pipe from the downstream side of the air dryer If an air dryer is not used run the control air pipe from the upper section of an air...

Страница 49: ...ompressor row in the table If the calculated pressure loss is less than 0 08 inchAq 20 Pa a ventilating fan is not required on the duct Install the duct with its detachable end directly in contact with the grilled air exhaust on top of the air compressor If the calculated duct s pressure loss is 0 08 inchAq 20 Pa or larger a ventilating fan is required on the duct Install the duct keeping a gap h ...

Страница 50: ...odel Item Unit 45WTN 55WTN 55VWTN 75WTN 75VWTN Heat generation KBTU 26 27 35 MJ h 27 28 37 Recommended fan capacity cfm 2650 2830 3530 m3 min 75 80 100 Note The specified capacity is based on the allowable room temperature rise of 9 5 and stafic pressure os zero 0 psi MPa Ventilating fan Air inlet Exhaust air Exhaust air Exhaust air Fresh air Fresh air See Recommended fan capacity in the table Fig...

Страница 51: ...action The instructions in this chapter should be followed when starting up the air compressor for the first time or after a long term suspension Air Cooled Front Transport fixture in the package Rear Transport fixtures in the package Water Cooled Front Transport fixture in the package Rear Transport fixtures in the package If the compressor Air cooled type restart just after stopped the air compr...

Страница 52: ...the air compressor has not been operated for 3 months grease before restarting 9 4 13 Grease the main motor bearing at once Refer to the 9 4 13 for the detail Verify that the air compressor has proper rotation If rotation is not correct phase reversal change 2 of the 3 wires of the power cable Verify that the oil pressure rises 18 psi 0 12 MPa or greater within ten 10 seconds after starting the ai...

Страница 53: ...king Pressure Loading Unloading Loading Unloading Discharge pressure 100 psi 0 69 MPa psi MPa 100 0 69 or less 85 100 0 59 0 69 103 0 71 or less 125 psi 0 86 MPa 125 0 86 or less 110 125 0 76 0 86 128 0 88 or less Interstage pressure psi MPa 25 38 0 17 0 26 11 0 0 08 0 25 42 0 17 0 29 3 15 0 02 0 1 Oil pressure 100 psi 0 69 MPa psi MPa 19 26 0 13 0 18 13 26 0 09 0 18 op freq 110 Hz or more 125 psi...

Страница 54: ...ol air pressure of this level cannot be obtained the ejector cannot operate and as a result the gear case internal pressure rises When the gear case internal pressure reaches approximately 196 Pa 20 mmH2 O the OMR relief valve opens to atmosphere to prevent excessive rise This results in the venting of oil fume to atmosphere Therefore if a control pressure cannot be maintained at the regulator set...

Страница 55: ...ssor such as a burning of the air end In the event that you need to modify the control circuit consult your distributor 3 Before opening the control panel to service or wire the air compressor disconnect the power otherwise you may receive an electric shock Even when the power is disconnected the controller V type only and the fan inverter air cooled type only are still charged Be sure to wait app...

Страница 56: ...ith the steel plates on the power cable holes with a slight amount of vibration This could damage the cover over time and result in a short circuit accident Install an earth leakage circuit breaker at the right primary side of the air compressor Do not install a disconnect switch such as a knife switch in the wiring as it is not protect the air compressor and may result in the burning of motors if...

Страница 57: ...apacitor installed between power and the air compressor opens and closes a surge voltage may be generated in the controller input side which may cause a controller failure In such cases install an AC reactor shown in the right table between power and the air compressor 5 If radios TV sets or any other electronics devices are located around the air compressor install the HITACHI noise filters as sp...

Страница 58: ...75ATN 460V p 59 3 Wiring Diagram 1 DSP 55VATN 460V p 60 4 Wiring Diagram 1 DSP 75VATN 460V p 61 5 Wiring Diagram 1 DSP 45 55WTN 460V p 62 6 Wiring Diagram 1 DSP 75WTN 460V p 63 7 Wiring Diagram 1 DSP 55VWTN 460V p 64 8 Wiring Diagram 1 DSP 75VWTN 460V p 65 9 Wiring Diagram 2 DSP 45 55 75AWTN 55 75VAWTN 460V p 66 ...

Страница 59: ... air temperature 1 Discharge air temperature 2 Oil temperature Amperage Current 2nd stage suction air temperature Hours to a next maintenance Next maintenance item Load ratio Scheduled time 2 Message display Inspection maintenance Under automatic stop Restart IPI retry Unload stop Other message 3 Alarm shutdown Alarm check Setting connection check Power check Abnormal stop Device shutdown 4 Functi...

Страница 60: ... 㹑㸰㹁㹃㹐㸱㹑㸰㸰㸮㹂㸯㸰㸮㹂㸰㹁㹃㹁㹃㹁㹃㹁㸯㸯㹁㹌㸱㸮㸰㹁㹃㸰㸮㹓㸰㸰㹁㹃㸯㹁㹌㸱㸯㸰㸮㹓㸯㹁㹃㹁㹃㹁㹃㸰㹁㹃㹁㹌㸱㸰㹁㹃㸯㸱㸰㸮㹓㸱㸱㹁㹃㹁㹌㸱㸵㸰㸮㹓㹑㸰㸮㹓㸲㹁㹃㸰㹁㹌㸱㸳㸰㹁㹃㸯㹑㸱㸯㸶㹑㸱㸱㸳㸴㹑㸱㸯㸶㹑㹉㹁㹃㹁㹃㸯㸶㹑㸱㹑㸱㸴㹑㸱㹃㹄㸰㸯㸬㸰㸳㸿㹃㹄㸯㸯㸬㸰㸳㸿㹃㹄㸲㸯㸬㸴㸿㹃㹄㸱㸯㸬㸴㸿㹁㹃㹇㹌㹔㸦㹄㸿㹌㸧㹎㹕㹀㸱㹁㹌㸯㹃㹄㸵㸯㸮㸿㹃㹄㸶㸯㸮㸿㹃㹄㸷㸯㸮㸿㹂㸿㸯㹂㸿㸱㸰㸱㸱㹒㹀㸱㹑㹕㹊㹓㹑㹎ࠉ㹑㹕㹓㹑㹎㸰㸮㹓㹋㹁㹗㸳㸰㸿㸲㸰㸲㸯㹂㸿㸲㸳㸲㸴㹂㸿㸲㸱㸲㸲㸲㸯㸲㸰㹒㹀㸰㹂㸿㹁㹒㹀㸱㹑㸰㹂㸿㹁㸲㸳㸲㸴㸲㸲㸲㸱㹗㸳㸰㸿㹗㸳㸰㸿㹖㸰㸮㸿㹂㹁㹃㹁㹃㹁㹃㹍㹌...

Страница 61: ...㹑㸱㸯㸶㹑㸱㹃㹄㸰㸯㸬㸰㸳㸿㹃㹄㸯㸯㸬㸰㸳㸿㹃㹄㸲㸯㸬㸴㸿㹃㹄㸱㸯㸬㸴㸿㹁㹃㹇㹌㹔㸦㹄㸿㹌㸧㸱㸯㸰㹎㹕㹀㸱㹁㹌㸯㹃㹄㸵㸯㸮㸿㹃㹄㸶㸯㸮㸿㹃㹄㸷㸯㸮㸿㹂㸿㸯㹂㸿㸱㸰㸱㸱㹒㹀㸱㹑㹕㹊㹓㹑㹎ࠉ㹑㹕㹓㹑㹎㸰㸮㹓㹋㹁㹗㸳㸰㸿㸲㸰㸲㸯㹂㸿㸲㸳㸲㸴㹂㸿㸲㸱㸲㸲㸲㸯㸲㸰㹒㹀㸰㹂㸿㹁㹒㹀㸱㹑㸰㹂㸿㹁㸲㸳㸲㸴㸲㸲㸲㸱㹗㸳㸰㸿㹗㸳㸰㸿㹖㸰㸮㸿㹂㹁㹃㹁㹃㹁㹃㹍㹌ࠉ㸿㹒ࠉ㹊㹍㸿㹂ࠉ 㸦㸰ࠉ㹑㹃㹁㹍㹌㹂ࠉ㹊㸿㹒㹃㹐ࠉ㸿㹄㹒㹃㹐ࠉǼ㸧㹍㹌 ࠉ㸿㹒ࠉ㹁㹍㹌㹂㹃㹌㹑㸿㹒㹃ࠉ㹂㹇㹑㹁㹆㸿㹐㹅㹃㹁㹍㹌㹂㹃㹌㹑㸿㹒㹃ࠉ㹐㹃㹊㸿㹗㹗㸰㸯㹗㸳㸰㸿㹍㹎㹃㹐㸿㹒㹇㹍㹌ࠉ㹐㹃㹊㸿㹗㹍㹌ࠉ㸿㹒ࠉ㹋㸿㹇㹌ࠉ㹋㹍㹒㹍㹐ࠉ㹐㹓㹌㹌㹇㹌㹅㹍㹄㹄ࠉ㸿㹒ࠉ㸯㸮ࠉ㹑㹃㹁㹍㹌㹂㹑ࠉ㹊㸿㹒㹃㹐 ࠉࠉࠉࠉ㸿㹄㹒㹃㹐ࠉ㹋㸿...

Страница 62: ... 㸰㹗㸳㸰㹁㹁㹌㸵㹁㹌㸯㸲㸿㹌㹑㸯㸰㹁㹌㸰㸱㸱㸯㹁㹌㸶㹗㸳㸰㹗㸰㸯㹗㸰㸮㹐㹃㹋㹍㹒㹃ࠉ㹍㹎㹃㹐㸿㹒㹇㹍㹌㹃㹖㹒㹃㹐㹌㸿㹊ࠉ㹊㹍㸿㹂㸭㹓㹌㹊㹍㸿㹂㹐㹃㹋㹍㹒㹃ࠉ㹑㹃㹒㹒㹇㹌㹅㹂㹁㸰㸲㹔ࠉ㹇㹌㹎㹓㹒㹎㹆㸿㹑㹃㹐㹃㹔㹃㹐㹑㹃㹂㹑㸿㸯㸲㸰㸱㹁㹆㹅㸯㸮 ࠉ 㸷㸶㸵㸴㸳㸱㸯㸰㸲㸰㸲㸱㸯㸳㸱㸯㸰㸯㸰㸯㸰㸯㸰㸰㸯㸯㸰㸲㸱㸱㸯㹑㹕㸰㹑㹕㸯㹎㹕㹀㸯㸦㹆㹁㸳㸮㸧㹍㹎㹃㹐㸿㹒㹇㹍㹌ࠉ㸿㹌㹑㹕㹃㹐㹂㹐㹗㹃㹐ࠉ㸿㹌㹑㹕㹃㹐㸱㸯㸯㸶㸰㸯㸯㸱㹍㹎㹃㸯㹍㹎㹃㸰㸷㸯㸯㸳㸱㸰㸲㹁㹌㸰㸳㸯㹁㹌㸴㸱㸯㹒㹆㹄㹒㹆㹋㹁㹌㸱㸲㹁㹌㸱㸯㸰㸯㸯㸰㹈㸯㹎㸫㹌㹃㹄㸱㸯㸬㸴㸿㹗㸳㸰㸿㸱㸱㸱㸰㹂㸯㹉㸿㹂㹑㸯㸫㸰㹂㹑㸯㸫㸯㸴㸱㹑㹔㹀㸿...

Страница 63: ...㹀㹗ࠉ㹒㹆㹃ࠉ㹁㹓㹑㹒㹍㹋㹃㹐㸬㹀㹍㹒㹆ࠉ㹋㸿㹇㹌ࠉ㹂㹇㹑㹁㹍㹌㹌㹃㹁㹒ࠉ㹋㹃㸿㹌㹑ࠉ㸿㹌㹂ࠉ㹀㹐㸿㹌㹁㹆ࠉ㹁㹇㹐㹁㹓㹇㹒㹇㹌ࠉ㸿㹂㹂㹇㹒㹇㹍㹌㸪㹋㸿㹇㹌ࠉ㹂㹇㹑㹁㹍㹌㹌㹃㹁㹒ࠉ㹋㹃㸿㹌㹑ࠉ㹑㹆㸿㹊㹊ࠉ㹀㹃ࠉ㹎㹐㹍㹔㹇㹂㹃㹂㹲㹭㹊㹁㹂ࠉ㹁㹌㸵㹁㹁㹐㹁㹂㹐㹃㹄㹃㹐ࠉ㹒㹍ࠉ㹒㹆㹃ࠉ㹇㹌㹑㹇㹂㹃ࠉ㹍㹄ࠉ㹒㹆㹃㸿㹇㹐ࠉ㹁㹍㹋㹎㹐㹃㹑㹑㹍㹐㸪㹀㹓㹒ࠉ㹌㹍㹒ࠉ㹇㹌ࠉ㹒㹆㹃ࠉ 㹁㹍㹌㹒㹐㹍㹊ࠉ㹎㸿㹌㹃㹊㹁㹐㹃㹄㹃㹐㹃㹌㹁㹃㸸㹑㸱㹐㹗㸰㸯㹖㸯㸵㹂㹁㹊㸰㹂㹁㹊㸯㹎㹂㹐㹑㹒㹁㹒㹐㹔㹕㹓㹎㹁㹃㹁㹃㹑㹉㹁㹃㹁㹃㹁㹃㹁㹃㸯㸱㸯㸱㹐㸱㹑㸰㹐㸱㹑㸰㹁㹌㸲㸯㹀㹁㹌㸲㸯㸿㹖㸳㸰㸰㸮㹔㸰㸿㸰㸮㹔㸰㹀㹑㸱㹁㹌㸲㸮㸿㸱㸵㸰㸮㹔㸯㹀㸰㸮㹔㸯㸿㸱㸵㹁㹃㹁㹃㸯㸯㹁㹌㸲㸮㹀㸰㹁㹃㹁㹃㹑㹉㹑㸱㸱㸵㹑㸱㸰 ...

Страница 64: ...㸯㸬㸴㸿㹃㹄㸱㸯㸬㸴㸿㹃㹄㸰㸯㸬㸰㸳㸿㹃㹄㸯㸯㸬㸰㸳㸿㹐㸰㹐㸰㹑㸰㹑㸰㹊㹄㸦㹅㸧㹂㸿㸯㹂㸿㸱㸰㸱㸱㹒㹀㸱㹑㹕㹊㹓㹑㹎ࠉ㹑㹕㹓㹑㹎㸰㸮㹕㸰㸮㹓㹋㹁㹗㸳㸰㸿㸲㸰㸲㸯㹂㸿㸲㸳㸲㸴㹂㸿㸲㸱㸲㸲㸲㸯㸲㸰㹒㹀㸰㹂㸿㹁㹒㹀㸱㹑㸰㹂㸿㹁㸲㸳㸲㸴㸲㸲㸲㸱㹗㸳㸰㸿㹗㸳㸰㸿㹖㸰㸮㸿㹂㹁㹃㹁㹃㹁㹃㹃㹄㸳㸫㸵㸲㸿㹀㹊㸿㹁㹉㹇㹋㸰㸫㸯㹇㹋㸰㸫㸰㹁㸰㹕㹆㹇㹒㹃㹁㹃㹀㹊㸿㹁㹉㸯㸱㹁㹌㸰㸶㹁㹃㸰㸳㸮㹕㸯㸳㸮㹕㹁㹃㹕㹆㹇㹒㹃㹁㸯 ࠉ㹐㹃㹂 ࠉ㹐㹃㹂㹍㹐㸿㹌㹅㹃㸯㹍㹐㸿㹌㹅㹃㹁㹃㸶㸶㹄㸰㹁㸰㹁㹃㹁㹃㹁㹃㸱㹁㹃㹁㹌㸰㸵㸯㸲㸲㸰㹍㹌ࠉ㸿㹒ࠉ㹊㹍㸿㹂ࠉ 㸦㸰ࠉ㹑㹃㹁㹍㹌㹂ࠉ㹊㸿㹒㹃㹐ࠉ㸿㹄㹒㹃㹐ࠉǼ㸧㹍㹌 ࠉ㸿㹒ࠉ㹁㹍㹌㹂㹃㹌㹑㸿㹒㹃ࠉ...

Страница 65: ...㹃㹐㸿㹒㹇㹍㹌㸦㹊㹍㸿㹂㸭㹓㹌㹊㹍㸿㹂㸭㸿㹓㹒㹍ࠉ㹑㹒㹍㹎㸧㹍㹌ࠉ㸿㹒ࠉ㹁㸿㹓㹒㹇㹍㹌㹊㹍㸿㹂㸭㹓㹌㹊㹍㸿㹂ࠉ㹐㹃㹊㸿㹗㹍㹌ࠉ㸿㹒ࠉ㹐㹓㹌㹌㹇㹌㹅㸦Ǽ㸧ࠉ 㹐㹃㹊㸿㹗ࠉ㹄㹍㹐ࠉǼ 㹍㹌ࠉ㸿㹒ࠉ㹐㹓㹌㹌㹇㹌㹅㸦㹗㸧ࠉ 㹐㹃㹊㸿㹗ࠉ㹄㹍㹐ࠉ㹗㹍㹌ࠉ㸿㹒ࠉ㹋㸿㹇㹌ࠉ㹋㹍㹒㹍㹐ࠉ㹐㹓㹌㹌㹇㹌㹅㹍㹌ࠉ㸿㹒ࠉ㹑㹆㹓㹒㹂㹍㹕㹌㹍㹎㹃㹐㸿㹒㹇㹍㹌ࠉ㹐㹃㹊㸿㹗㹑㹆㹓㹒㹂㹍㹕㹌ࠉ㹍㹓㹒㹎㹓㹒㹁㸿㹓㹒㹇㹍㹌ࠉ㹍㹓㹒㹎㹓㹒㹍㹎㹃㹐㸿㹒㹇㹍㹌ࠉ㹐㹃㹊㸿㹗㹑㹗㹋㹀㹍㹊㹗㸴㹗㸱㹗㸰㹗㸯㹗㸰㸮㹗㸲㸰㹗㸳㸰㹐㹃㹊㸿㹗ࠉ㹄㹍㹐ࠉǼ 㹍㹌ࠉ㸿㹒ࠉ㹊㹍㸿㹂ࠉ 㸦㸳ࠉ㹑㹃㹁㹍㹌㹂ࠉ㹊㸿㹒㹃㹐ࠉ㸿㹄㹒㹃㹐ࠉǼ㸧㹗㸲㸰Ș 㸱㸳㹁㹃㹁㹃㹑㹉㹑㸱㸴㸱㸳㸴㹑㸱㹁㹃㹑㹉㹐㸱㹑㸱 ࠉ㸴㹑㸱㸯㸶㸱㸳㹑㸱㹑㸰㹒㹀㸰㹐㸰㹐㸰㹑㸰㹑㸰㹊㹄㹋㹍㹆㹐㹁㹌㹆㹐㸳㸿 ...

Страница 66: ...㸱㹒㹀㸱㹁㹃㹁㹃㹁㹃㸰㸮㸿㹂㹲㹭㹎㹕㹀㸰ࠉ㹁㹌㸯㹃㹄㸰㸯㸬㸰㸳㸿㹃㹄㸯㸯㸬㸰㸳㸿㹐㸱㹂㹐㸱㹔㹐㸱㹔㸱㸵㹑㸰㹑㸰㹑㸱㹑㸰㹒㹀㸰㹄㹋㹁㹃㹁㹌㸱㸶㸯㹁㹃㸰㹲㹭㹎㹕㹀㸰ࠉ㹁㹌㸰㹁㹌㸯㸵㹁㹌㸷㹁㹌㸯㸴㹁㹌㸯㸮㸰㸲㹊㹑㹒㹍㹎㹁㹍㹋㸯㹗㸯㹑㹒㸿㹐㹒㹗㸱㹒㹀㸯㹗㸰㸯㹐㹃㹋㸱㹓㹌㹊㹑㹓㹁㹄㹒㹆㸱㹁㹌㸰㸲㹒㹆㸰㹎㹑㸰㹒㹆㸯㹎㹑㸯㸵㹁㹍㹋㸰㸳㸱㸰㸯㹁㹌㸯㸶㹁㹌㸯㸳㸲㸳㹂㹁㸰㸲㹔㸦㸩㸧㹁㹌㸳㸱㸯㹒㹐ࠉ㹍㹓㹒㹁㹌㸱㹁㹌㸯㸱㸲㸱㸯㹁㹌㸯㸯㸰㹗㸳㸰㹁㹁㹌㸵㹁㹌㸯㸲㸿㹌㹑㸯㸰㹁㹌㸰㸱㸱㸯㹁㹌㸶㹗㸳㸰㹗㸰㸯㹗㸰㸮㹐㹃㹋㹍㹒㹃ࠉ㹍㹎㹃㹐㸿㹒㹇㹍㹌㹃㹖㹒㹃㹐㹌㸿㹊ࠉ㹊㹍㸿㹂㸭㹓㹌㹊㹍㸿㹂㹐㹃㹋㹍㹒㹃ࠉ㹑㹃㹒㹒㹇㹌㹅㹂㹁㸰㸲㹔ࠉ㹇㹌㹎㹓㹒㹎㹆㸿㹑...

Страница 67: ...㹇㹍㹂㹃㹑㹕㸯㸫㸰㹊㹇㹅㹆㹒㹌㹇㹌㹅ࠉ㸿㹐㹐㹃㹑㹒㹃㹐㹂㹑㸿㹐㹃㹔㹃㹐㹑㹃ࠉ㹎㹆㸿㹑㹃ࠉ㹐㹃㹊㸿㹗㹃㹄㸯㸫㸷㹒㹃㹐㹋㹇㹌㸿㹊ࠉ㹀㹊㹍㹁㹉㹒㹃㹐㹋㹇㹌㸿㹊ࠉ㹀㹊㹍㹁㹉㹒㹀㸯㸫㸱㹒㹀㸮㹒㹆㸱㹎㹑㸰㹑㹓㹐㹅㹃ࠉ㸿㹀㹑㹍㹐㹀㹃㹐㹒㹆㸰㹎㹑㸯㹄㹓㹑㹃㹐㹃㹊㸿㹗㸿㹓㹒㹍㹋㸿㹒㹇㹁ࠉ㹔㹍㹊㹒㸿㹅㹃ࠉ㹐㹃㹅㹓㹊㸿㹒㹍㹐㹎㹐㹃㹑㹑㹓㹐㹃ࠉ㹂㹇㹄㹄㹃㹐㹃㹌㹒㹇㸿㹊ࠉ㹑㹕㹇㹒㹁㹆㹄㸿㹌ࠉ㹋㹍㹒㹍㹐㹁㹍㹌㹒㹐㹍㹊ࠉ㹎㹁ࠉ㹀㹍㸿㹐㹂㹒㹃㹐㹋㹇㹌㸿㹊ࠉ㹀㹊㹍㹁㹉㹁㹍㹌㹌㹃㹁㹒㹍㹐㹐㹃㹑㹇㹑㹒㸿㹌㹁㹃㹁㹍㹌㹌㹃㹁㹒㹍㹐㹂㹇㹎ࠉ㹑㹕㹇㹒㹁㹆㹎㹊㹓㹅ࠉ㹇㹌ࠉ㹁㹍㹌㹌㹃㹁㹒㹍㹐㹂㹇㹑㹎㹊㸿㹗ࠉ㹎㹁ࠉ㹀㹍㸿㹐㹂㹊㹁㹂ࠉ㹋㹍㹌㹇㹒㹍㹐㹊㹁㹂㹁㹓㹐㹐㹃㹌㹒ࠉ㹒㹐㸿㹌㹑㹄㹍㹐㹋㹃㹐㹒㹆㹃㹐㹋㹇㹑㹒㹍㹐㸦㹄㹇㹌㸧㹒㹆㹋㹒㹆㹄㹖㸳㸰㹐㹃㹊㸿㹗㹄㸿㹌ࠉ㹋㹍㹒㹍㹐㹄㹋...

Страница 68: ...㹆㹓㹑㹎㹀㸿㹒㹒㹃㹐㹗㹀㹒㹒㹀㸰㸪㸱㹒㹆㹃㹐㹋㹇㹑㹒㹍㹐㸦㹍㹇㹊㸧㹁㹍㹌㹒㹐㹍㹊ࠉ㹎㹁ࠉ㹀㹍㸿㹐㹂㹂㹇㹑㹎㹊㸿㹗ࠉ㹎㹁ࠉ㹀㹍㸿㹐㹂㹒㹆㹃㹐㹋㹇㹑㹒㹍㹐㸦㸯㹑㹒ࠉ㹂㹇㹑㸬㸧㹎㹐㹃㹑㹑㹓㹐㹃ࠉ㹑㹃㹌㹑㹍㹐㸦㹍㹇㹊㸧㹒㹆㸳㹒㹆㸲㹎㹑㸲㹑㹗㹋㹀㹍㹊㹎㸿㹐㹒㹑ࠉ㹌㸿㹋㹃㹎㹕㹀㸯㹎㹕㹀㸰㹊㹁㹂ࠉ㹋㹍㹌㹇㹒㹍㹐㹊㹁㹂㹁㹓㹐㹐㹃㹌㹒ࠉ㹒㹐㸿㹌㹑㹄㹍㹐㹋㹃㹐㹁㹒㹒㹃㹐㹋㹇㹌㸿㹊ࠉ㹀㹐㹍㹁㹉㹒㹀㸮㹒㹃㹐㹋㹇㹌㸿㹊ࠉ㹀㹐㹍㹁㹉㹑㹒㹐㹁㹌㸰㸯㹂㹓㸿㹊㹂㸴㹂㸲㹂㸳㹂㸱㹂㸯㹂㸰㹕㹇㹐㹇㹌㹅ࠉ㹀㹃㹒㹕㹃㹃㹌ࠉ㹃㸿㹁㹆ࠉ㹓㹌㹇㹒㹑㹆㸿㹊㹊ࠉ㹀㹃ࠉ㹑㹆㹇㹃㹊㹂ࠉ㹁㸿㹀㹊㹃㸬ࠉ 㹂㹓㹐㹇㹌㹅ࠉ㹊㹃㸿㹂㸫㹊㸿㹅ࠉ㹍㹎㹃㹐㸿㹒㹇㹍㹌㸪㹐㹃㹋㹍㹔㹃ࠉ㹒㹕㹍ࠉ㹑㹆㹍㹐㹒ࠉ㹁㹇㹐㹁㹓㹇㹒ࠉ㹕㹇㹐㹃㹑ࠉ 㹄㹐㹍㹋ࠉ㹃㹇㹒㹆㹃㹐ࠉ㹍㹄ࠉ㹒㹆㹃ࠉ㹒㹕㹍ࠉ㹓㹌㹇㹒㹑㸬 ...

Страница 69: ...sed air decreases the system reduces the motor speed And When demand of the compressed air decreases more purges the compressed air to atmosphere Intercooler Air Cooled The air cooled intercooler is made of aluminum The intake air is compressed up to 29 psi 0 20MPa and consequently heated by the 1st stage airend The intercooler cools the heated air to an atmospheric temperature approx 27 F 15 and ...

Страница 70: ...ooling fan removes the heat from the air cooled oil cooler intercooler aftercooler and Hi precooler 125 psi 0 86 MPa type and this heat exchanged air is exhausted through the air exhaust grill on the top of the enclosure Cooling Water Flow Incoming water cools the intercooler the water jackets of the airends the aftercooler and the oil cooler Refer to Cooling Water Flow Diagram for the detail of c...

Страница 71: ...Air Flow and Other 51 Fan Motor 52 Enclosure 53 Air Intake Duct 54 Cooling fan Legend of Sensors and Switches Symbol Part name PS2 Pressure Sensor discharge air pressure PS4 Pressure Sensor oil pressure PS1 Pressure Sensor interstage pressure TH2 Temperature Sensor 2nd stage in TH4 Temperature Sensor 1st stage out TH3 Temperature Sensor 2nd stage out TH5 Temperature Sensor oil MOHR Thermostat for ...

Страница 72: ...lve 38 Oil Drain Valve 39 Oil Mist Remover Air Flow and Other 51 Fan Motor 52 Enclosure 53 Air Intake Duct 54 Cooling fan Legend of the Diagram Compressor Air Flow 1 1st Stage Airend 2 2nd Stage Airend 3 Gear Case 4 Step up Gear 5 Main Motor 6 Intercooler 7 Check Valve 8 Aftercooler 9 Air Relief Valve 10 Discharge Port 11 Check Valve 13 Orifice 14 Drain Solenoid 15 Y type Strainer 16 Drain trap 17...

Страница 73: ...13 Orifice 14 Drain Solenoid 15 Y type Strainer 16 Drain trap 17 Demister 18 Motorized isolation valve 20 Drain separator Compressed Air Flow and Oil Flow Capacity Control Blowoff Air Flow 21 Air Intake Filter 22 Suction Throttle Valve 23 Blowoff Valve 24 Blowoff Silencer 25 Blowoff Cooler Oil Flow 31 Oil Strainer 32 Oil Pump 33 Oil Relief Valve 34 Oil Cooler 35 Oil Filter 36 Temperature Control V...

Страница 74: ...stage out TH3 Temperature Sensor 2nd stage out TH5 Temperature Sensor oil THM Temperature Sensor for main motor surface temperature 63SV Pressure Differential Sensor For suction filter clogging detection Compressed Air Flow and Oil Flow Capacity Control Blowoff Air Flow 21 Air Intake Filter 22 Blowoff Solenoid Valve 1 23 Blowoff Solenoid Valve 2 24 Blowoff Silencer Oil Flow 31 Oil Strainer 32 Oil ...

Страница 75: ... water outlet Cooling water outlet Cooling water inlet Water relief pet cock Compressed air flow Cooling water flow M 1st stage airend 2nd stage airend Aftercooler Intercooler Oil cooler Motorized water isolation valve WIVM Cooling Water Flow Flow diagram Water Cooled ...

Страница 76: ...let temp C 95 35 or less Total flow rate gpm liter min 24 90 24 90 32 120 Min pressure differential between inlet and outlet psi MPa 22 0 15 or more Temp differential between inlet and outlet C 13 7 14 8 16 9 Required water pressure psi MPa 22 71 0 15 0 49 CAUTION Performance of the coolers varies depending on the extent of throttling the stop valves at the cooling water inlet and outlet To contro...

Страница 77: ...ton ON Suction throttle valve STV closes Blowoff valve opens Internal air in discharge pipe is exhausted to atmosphere Compressor stops To Chamber B To Chamber A 3 Way Solenoid Valve 4 3 Way Solenoid Valve 20US 3 Way Solenoid Valve 1 Starting Stopping Loading Unloading For 20 seconds after starting with a star delta starter 3 Way Solenoid Valve 2 3 Way Solenoid Valve 3 NC COM connected for 5 secon...

Страница 78: ...Suction throttle valve STV closes Blowoff valve opens Internal air in discharge pipe is exhausted to atmosphere Compressor stops Load Unload Operation AUTO Operation How long has motor been running Load ratio Has motor stopped and restarted 3 times or more for 90 minutes Motor stops automatically Less than specified What is the plant compressed air piping pressure How long has motor been stopped L...

Страница 79: ...restart of the air compressor and then return to the initial cycle Stop Delay Time The air compressor is continually calculating a load ratio If the load ratio is 30 and the motor has stopped restarted maximum 3 times for the past 90 minutes then the motor stops Stop Delay Time Requires 10 seconds to completely exhaust internal compressed air and prepare to restart Starting and Pressure Raising Lo...

Страница 80: ...m The value in is indicated for water cooled type Model Rated pressure psi MPa Air consumption Operating frequency Hz Capacity control system Pressure setting psi MPa Capacity control type Initial Example of Lower 55 kW 125 0 86 100 75 65 134 136 108 108 CPCS motor speed control Control pressure 125 0 86 120 0 83 AUTO ON VSDA or AUTO OFF VSDB 75 kW 100 60 50 133 137 80 72 55 kW 125 0 86 75 65 5 82...

Страница 81: ... consumption rate and then inputs the calculated results to the inverter The inverter outputs the instructions of the corresponding frequency to the motor The discharge pressure is controlled within a targeted range due to the increasing and decreasing speeds of the motor Two Step Purge Control Two Step Purge Control is activated if the following conditions occur at the same time The operating fre...

Страница 82: ...r Capacity is Desired Increasing the capacity of the air compressor is achieved by utilizing the maximum power of the air compressor at lower operating pressure PQ Wide Mode ON 100 104 90 80 90 100 117 80 125 psi 0 86 M Pa 135 psi 0 93 M Pa 87 psi 0 6 M Pa Power consumption Air consumption By reducing the operating pressure from 135 psi 0 93 MPa to 87 psi 0 60 MPa PQ Wide Mode utilizes the surplus...

Страница 83: ...o atmosphere keeping the compressor room area clean Oil expenses and labor costs to add extra oil are lowered because the oil is automatically recovered in the gear case Air Source Regulator Filter Vacuum Indicator Pressure Gauge Float Trap Solenoid Valve Ejector Gear Case Air End Oil Pump OMR Relief Valve Remover Element Opens when pressure in the gear case excessive ly rises to prevent inter nal...

Страница 84: ...ndensate on a daily basis and observe other daily operating instructions 9 2 Overhauling consists of changing the existing airend with a new replacement airend Overhaul the air compressor at 6 years 9 1 Periodical Maintenance of Air Compressor The standards indicate normal maintenance schedule If your compressor is in sever environmental or operating conditions service it at more frequent interval...

Страница 85: ...Action Category Type Remarks Dally Every 3months LCD indications Check Fixed V Record data in the OPERATION RECORD LOGBOOK Oil level Check Fixed V Add as required Aftercooler Intercooler Condensate Drain Fixed V Control line filter Condensate Check Fixed Main motor greasing Fixed V Fixed speed type both DE NDE side Vtype DE side 3 Annual and 3 Year Schedule for 8 000 hours year or less operation P...

Страница 86: ...e control valve Replace Fixed V Smoothing condenser Controller Replace V PC board assembly Including LCD Check Clean Replace Fixed V Check for contamination and discoloration Replace as required Can be used further if appropriate Power PCB Controller Check Clean Replace V Communication board Check Clean Replace Fixed V Electromagnetic contactor Check Fixed V Replace as required Lithium battery Rep...

Страница 87: ...led 125psi 0 86 MPa type Blowoff solenoid valve Operation Check Fixed V Check valve Air leak Check Fixed V Air relief valve Operation Check Fixed V 1 Daily Schedule for 4 000 hours year or less operation 2 Bi Annual Schedule for 4 000 hours year or less operation Part or Item Action Category Type Remarks Lubrication oil Replace Fixed V Replace every 8 000h operating hour or 2 year whichever comes ...

Страница 88: ...ixed V Air cooled type Demister Drain separator Replace Fixed V 3 Way solenoid valve capacity control system Replace Fixed Oil strainer primary Replace Fixed V Control line filter Condensate Replace Fixed Oil level gauge Replace Fixed V Shaft seal Main motor Check Clean Fixed V Temperature control valve Replace Fixed V Smoothing condenser Controller Replace V PC board assembly Including LCD Check ...

Страница 89: ...or check Complete service in house Ask your distributor to service 9 3 Maintenance Schedule for Oil Mist Remover The oil mist remover reduces oil consumption to almost zero However the oil should still be replaced biannually CAUTION Item Daily Bi annually Annually 6 yearly Remarks Regulator settings Vacuum indicator OMR relief valve Regulator performance Float trap nozzle Disassemble and clean Vac...

Страница 90: ...pe away the dirt inside of the duct before removing the air intake filter Loosen the wing nut and remove the air intake filter Make sure the contamination and or dust doesn t enter the airend side Tap the air intake filter to remove large particles Then blow air to clean the surface of filter In the case of oily or carbon dust dip the element into neutral detergent and water solution for about 30 ...

Страница 91: ...Ref No 911 and rear panel 3 Ref No 913 1 Intercooler side Turn the three way change valve from Ⓐ to Ⓑ 2 Aftercooler side Turn the ball valve 1 from Ⓒ to Ⓓ And Turn the ball valve 2 from Ⓔ to Ⓕ Verify that the interstage pressure INTSTG P and discharge pressure DIS PRESS is 0 zero on the LCD monitor In addition remove the parts slowly because the pressure is still remained in air pipings due to the...

Страница 92: ...n its original position and set the O ring or gasket and plug properly Cleaning of strainer Cleaning of orifice Inspect and clean the orifices annually Be sure to stop the air compressor before inspecting and or cleaning the orifices Replacement of the strainer and solenoid valve Replace the solenoid valve and the strainer every 2 years if operating 8000 hours year or 3 years if operating 4000 hou...

Страница 93: ...ul extremely when opening the strainer plug Remove the strainer element Wash the element with water and blow air and reassemble it Turn three way change valve from Ⓑ to Ⓐ 2 Aftercooler side Turn ball valve 1 on the aftercooler side from Ⓒ to Ⓓ Check that ball valve 2 is completely closed Ⓔ side In this state strainer pressure in the solenoid valve is released by solenoid valve action After verifyi...

Страница 94: ... are different Remove the plug from oil drain port to drain lubricating oil Replace all lubricating oil bi annually Also once a year remove the oil port cover and wipe the sludge off of the bottom of the gear case with a sponge and clean Close oil drain valves and Tighten removed plugs with seal tape to oil drain ports and oil air vent Oil filling Remove the oil filling port plug and fill the oil ...

Страница 95: ...an oil pan under the oil filter Use a filter wrench to loosen and remove the oil filter from the oil support on the gear case Remove and replace the oil filter element Apply clean oil onto the filter O ring Tighten the oil filter until the O ring surface comes in contact with the oil filter seating surface Seat the oil filter O ring by tightening the filter with both hands Immediately after the ai...

Страница 96: ... inspection of the operation of the air relief valve use the appropriate facial protection High pressure air containing dust particles can cause severe injury Air relief valve Air relief valve ring Rear cover 3 Rear cover 2 Rear cover 1 Maintain the rated maximum discharge pressure ex 100 psi 0 69 MPa Pull the ring connected to air relief valve Verify that the air relief valve operates properly an...

Страница 97: ...pe Loosen and remove the cooler bolts 3 For heavy and greasy dust particles cleaning the detached cooler Use an air nozzle to blow the cooler surfaces Soak the cooler in a detergent bath or spray detergent onto the cooler Use an air nozzle to blow the cooler surfaces Generally there are 3 kinds of dust and dirt particles Light dust particles Heavy dust particles Greasy dust particles Contact the l...

Страница 98: ...h scale remover and use a brass wire brush to remove the scale from the inner surfaces of the oil cooler tube nest Intercooler Aftercooler If scale build up occurs often contact the local HITACHI distributor master dealer or representative office for scale removal Oil cooler Wire brush Water Cooled 9 Cleaning of Cooler Annually ...

Страница 99: ... bolts tightened to the check valve cover upper for air cooled Check valve cover for water cooled Remove the check valve cover check valve and gasket Be careful for installing direction of the check valve 4 Cleaning and Inspection Sufficiently clean the check valve and check valve cover and so on Make sure that no rust particles and or fragmented gaskets are left on the valve and or gasket contact...

Страница 100: ...be returned to your distributor or disposed of properly in accordance with your local government disposal regulations Used battery is furthermore shorted if the positive and negative terminals come in contact with each other or come in contact other metal objects and could cause the battery to produce heart rupture or catch fire Do not expose the battery to fire Used batteries cannot be recharged ...

Страница 101: ...lectric Leak Low Insulation Resistance Corrective Action Frame Bearing Installation Loose bolts Retighten the bolts Wiring Poor gounding Ground properly Inadequate breaker capacity Note 3 Replace with properly specified capacity breaker Broken wires Install new wires Failed breaker controller or contactor Note 3 Check the contacts and replace if necessary Environment Dust accumulation reduced cool...

Страница 102: ...otor with anything other than a dedicated controller to avoid the electric shock injury and or fire DANGER CAUTION A very strong magnetic force of attraction or repelling is generated between the magnetic rotor and the other magnet rotors magnets iron pieces or iron tools Be careful extremely when handling the magnetic rotor You may get your hand caught in during rotor assembly work or lose a bala...

Страница 103: ...condition Filling frequency Filling amount Fixed speed Variable speed For 8 000 hours or less operating hours per year Every 3 months Fill 2 3 oz 65 g each on the load and opposite sides Fill 2 6 oz 75 g on the load side For 4 000 hours or less operating hours per year Every 6 months Open the front door Grease the specified amount through the grease port using a grease gun Check the grease pan and...

Страница 104: ...d ensure that the dust and dirt is NOT adhered to the surface of each sensor Install the covers to their original locations DCBL motor thermistor Air blow nozzle 14 Cleaning of Main Motor Cooling Fin 15 Inspection of Fan Inverter Turn off the power and wait approximately 10 minutes Next remove the front door and then remove the cover of control panel Check that the charge light of the fan inverter...

Страница 105: ...or and contamination Blow off the dust by dry air During periodical maintenance re tighten the terminals check the conductor and insulator for corrosion and inspect replace the cooling fan and smoothing capacitor Contact the local HITACHI distributor master dealer or representative office for the detail Charge lamp fan inverter Check that it is off Charge lamp controller Check that it is off Air C...

Страница 106: ...after the air compressor is stopped wait until the fin cover and cooling fin are cooled down properly before starting the work With holding the tab fixing the fan inverter cooling fan by the fingers pull the cooling fan upward to remove Check the fan inverter cooling fin for dust and dirt Blow off the cooling fin by dry air using an air blow nozzle with a bent end Assemble the fan inverter cooling...

Страница 107: ... mm from the end to facilitate cleaning Fin cover 1 Controller cooling fin Fan inverter cooling fin Duct Air Cooled Water Cooled For heavy dirt of cooling fin Turn off the power and remove the front door Ref No 904 and the right cover Ref No 908 Then remove the duct which is equipped only for water cooled for control panel Then remove the motor duct Air Cooled Ref No 975 Water Cooled Ref No 975 97...

Страница 108: ...ee the left figure If the ambient temperature of the air compressor is high through the year or if the current is exceeded during operation it needs to be replaced more frequently And immediately replace it if leakage or expansion is detected Contact the local HITACHI distributor master dealer or representative office for the replacement 122 50 113 45 104 40 86 30 5 6 8 20 Ambient temp Condenser l...

Страница 109: ...f the regulator Replace the diaphragm and the valve stem with new components Be careful not to install the new diaphragm upside down 3 Maintenance of OMR Relief Valve See Fig A Turn the nut at the top of the OMR relief valve and remove the plate Replace the sheet and the spring with new components Ensure that the spring is positioned at the center before assembly 4 Maintenance of Vacuum Indicator ...

Страница 110: ...h lead lag or multi unit control operation option Unload stop button is ineffective when the operation mode setting is NOT Single 3 3 5 Deactivate the lead lag or multi unit control at once and perform unload stop When the air compressor is restarted set the operation setting to required mode If the compressor is not to be used for a week or more be sure to press the UNLOAD STOP button on the inst...

Страница 111: ...asket oil relief valve 823 Seat oil pipe 824 Cap Nut 883 Oil Temperature Control Valve 884 O Ring B32 Float D53 O Ring E83 O Ring F39 Oil Casing G64 O Ring 25 G65 O Ring 30 H78 Closure Plate 232 234 233 235 243 235 233 134 133 135 132 133 299 143 135 238 138 200 100 Ref No Description 100 1st Stage Air End new 132 1st Stage Air End Discharge Cover 133 1st Stage Air End Jacket Cover 134 Gasket 1st ...

Страница 112: ...o seal 397 Snap Ring 102 401 Motor 410 Rubber Bush 425 Vibration Isolation Rubber 430 Base motor 1 431 Base motor 2 432 Base motor 3 436 Motor Cover 1 437 Motor Cover 2 438 Fixing Bracket Motor Cover 453 Bearing Load side 454 Bearing Anti Load side 455 Grease 460 Pinion Gear and Gear Shaft Assembly 461 Gear Shaft oil pump 462 Bolt F72 Grease Pan J04 Bolt J16 Thermostat J17 DCBL Motor Thermistor 1 ...

Страница 113: ...der 510 Rod Metal 511 Gasket air cylinder 512 Gasket 1 air end air intake 513 Gasket STV cover 514 Valve Plate STV 515 Seal Gasket 1 516 Seal Gasket 2 517 Piston air cylinder 518 Seal Gasket 3 519 Seal Gasket 4 520 O Ring air cylinder 521 Seal Gasket 5 522 Bush air cylinder 525 Tying Rod air cylinder 526 Cover air cylinder 529 Spring Washer SUS 530 Rod Nut 532 Body blowoff valve 534 Seal Washer ai...

Страница 114: ... Duct Panel 12 653 Cover 1 Intercooler 685 Cover 2 Intercooler 691 Cover 3 Intercooler 692 Duct Panel 1 Intercooler 693 Duct Panel 2 Intercooler 694 Duct Panel 3 Intercooler 695 Duct Oil cooler 696 Duct Panel 1 Aftercooler 697 Duct Panel 2 Aftercooler 698 Duct Panel 3 Aftercooler E51 Maintenance Cover 1 E52 Maintenance Cover 2 F61 Magnet Rubber 1 H71 Magnet Rubber 2 H72 Magnet Rubber 3 Ref No Desc...

Страница 115: ...ooler tube nest 627 Support 1 oil cooler 632 Plug E39 Vibration Isolation Rubber E76 Support 2 oil cooler 608 623 602 605 601 625 626 624 632 610 614 615 611 613 612 E76 627 E39 E39 Ref No Description 628 Base coolers 629 Duct air exhaust 630 Support 1 base frame 631 Support 2 base frame 633 Support 3 base frame 634 Support 4 base frame 671 Duct 1 fan motor 678 Support 2 fan motor 679 Fan 681 Fan ...

Страница 116: ...ing 363 O Ring 378 Bush Bearing 719 748 744 746 H80 H82 H81 H79 755 H39 H43 H99 Display unit assembly included in 745 Starter board PCB assembly G57 Ref No Description 719 Digital Panel 744 Lithium Battery 746 Control PCB 748 Seat instrument panel 755 PCB Cover G57 E Stop H39 UNLOAD STOP Button H43 Switch Guard H79 Rubber Bush H80 OPE Code Pipe H81 OPE Code 1 H82 OPE Code 2 H99 Unload Stop Namepla...

Страница 117: ...r 6 704 Electromagnetic Contactor Fan Motor 705 Fuse 1A 706 Fuse 1 25A 707 Fuse 1 6A 708 Current Transformer 709 Terminal Block 1 729 Electromagnetic Contactor 52 730 Condenser 745 PC Board B44 Door Control Box D06 Terminal Block 2 D10 Surge Absober D12 Cooling Fan D73 Reversed Phase Relay D75 Transformer E09 Line Noise Filter E45 Rubber Bush E47 Rubber Bush E48 Rubber Bush G04 Conduit nut G05 Con...

Страница 118: ...se Filter E10 DCBL Controller E17 DC Reactor 2 E18 Cover Fin 1 E45 Rubber Bush E46 Rubber Bush E47 Rubber Bush E48 Rubber Bush F73 Cover Fin 2 G04 Conduit Nut G05 Conduit G06 Conduit Nut G07 Conduit G13 Relay MY2N G14 Relay MY4N G15 AVR 60W G16 AVR 10W G17 AVR 90W G18 Circuit Breaker G19 Circuit Breaker G20 FUSE 4A G21 FUSE 10A J14 Inverter Cooling Fan J15 Communication Board 55 kW Ref No Descript...

Страница 119: ... 1 B44 Door Control Box D06 Terminal Block 2 D10 Surge Absober D12 Cooling Fan D73 Reversed Phase Relay D75 Transformer E04 Controller Fan 1 DCBL Controller E06 Power Printed Circuit Board E07 Smoothing Condenser E09 Line Noise Filter E10 DCBL Controller E18 Cover Fin 1 E45 Rubber Bush E47 Rubber Bush F73 Cover Fin 2 G04 Conduit Nut G05 Conduit G06 Conduit Nut G07 Conduit G08 Conduit Nut G09 Condu...

Страница 120: ...730 Condenser 745 PC Board 753 DC Reactor 1 B44 Door Control Box D06 Terminal Block 2 D10 Surge Absober D12 Cooling Fan D73 Reversed Phase Relay D75 Transformer E04 Controller Fan 1 DCBL Controller E06 Power Printed Circuit Board E07 Smoothing Condenser E09 Line Noise Filter E10 DCBL Controller E18 Cover Fin 1 E45 Rubber Bush E47 Rubber Bush F73 Cover Fin 2 G04 Conduit Nut G05 Conduit G06 Conduit ...

Страница 121: ... 1st stage air end discharge flange 035 Gasket cooler 037 Gasket 2nd stage suction 039 Gasket 2nd stage air end discharge flange 040 Piping Aftercooler Condensate Water 041 Air Relief Valve seat 056 Air Piping 9 057 Air Piping 10 058 Support discharge piping 059 Piping Support 1 060 Piping Support 2 061 Piping Support 3 670 Hi Precooler 865 Gasket 2 868 Lower Cover check valve 869 Upper Cover chec...

Страница 122: ...5 Air Piping 3 026 Air Piping 4 027 Air Piping 5 028 Air Piping 6 029 Air Piping 7 033 Gasket 1 034 Gasket 1st stage air end discharge flange 036 O Ring intercooler 037 Gasket 2nd stage suction 038 Gasket cooler header 039 Gasket 2nd stage air end discharge flange 044 Intercooler Header 1 865 Gasket 2 868 Cover check valve 869 Aftercooler Header 1 870 Gasket 871 Check Valve 875 Air Relief Valve B3...

Страница 123: ...ation Rubber F67 3 way Switching Valve F68 Support 1 condensate piping F69 Support 2 condensate piping H74 Condensate Solenoid Valve H75 2 way Valve 2 Air Cooled 10 Drain Pipe 11 Oil Piping 1 Ref No Description 768 Seat oil piping 769 Support greasing port 770 Oil Piping 1 771 Oil Piping 2 773 Piping 1 oil drain 774 Piping 2 oil drain 785 Support oil piping 786 Fixing Plate 1 oil piping 789 Fixing...

Страница 124: ... Filter Element 888 Oil Temperature Sensor 996 Filter Wrench A D35 O Ring D80 Seat oil piping E40 Seat oil air ventilation H73 O Ring Does not come with the prod uct Air Cooled D35 D35 H73 774 771 880 H73 D35 773 D35 882 996 888 369 396 D80 770 772 775 775 776 828 E40 Ref No Description 768 Seat oil piping 769 Support greasing port 770 Oil Piping 1 771 Oil Piping 2 773 Piping 1 oil drain 774 Pipin...

Страница 125: ...ement 888 Oil Temperature Sensor 996 Filter Wrench A D35 O Ring D80 Seat oil piping H73 O Ring Does not come with the product 009 096 011 018 H58 012 017 008 D33 016 009 C06 Ref No Description 008 Piping 1 009 Piping 2 011 Pet Cock 012 Piping 3 016 Piping 4 017 Stop Valve for a water flow control 018 Seat cooling water piping 096 Stop Valve drainage C06 Motorized Water Isolation Valve D33 Support ...

Страница 126: ...off piping E33 Support blowoff piping 1 E34 Support blowoff piping 2 E94 Blowoff Air Piping Ref No Description 900 Blowoff Silencer 901 Seat blowoff silencer 902 Cover blowoff silencer B38 Plate blowoff piping E21 Blowoff Solenoid Valve 1 E22 Blowoff Solenoid Valve 2 E23 Adapter E33 Support blowoff piping 1 E34 Support blowoff piping 2 E80 Support silencer cover E94 Blowoff Air Piping 1 E95 Blowof...

Страница 127: ...5 Blowoff Air Piping 2 Fixed speed type E22 E21 E22 E23 E23 901 900 902 E80 E95 E96 E94 A90 Ref No Description 900 Blowoff Silencer 901 Seat blowoff silencer 902 Cover blowoff silencer A90 Tee Fitting E21 Blowoff Solenoid Valve 1 E22 Blowoff Solenoid Valve 2 E23 Adapter E80 Support silencer cover E94 Blowoff Air Piping 1 E95 Blowoff Air Piping 2 E96 Blowoff Air Piping 3 13 Blowoff Piping Water Coo...

Страница 128: ...rol line filter 799 Element control line filter 849 Support pressure sensor 892 Support plate solenoid valve 896 3 Way Solenoid Valve 897 Control Line Filter 898 Pressure Differential Indicator 899 Solenoid Valve Manifold A92 Seat sensor A95 Adapter control air piping A98 Nipple D26 Pressure Sensor discharge air D79 Filter Nipple D99 Pressure Sensor interstage H83 Pressure Sensor oil ...

Страница 129: ... Pipe Ref No Description 849 Support pressure sensor 898 Pressure Differential Indicator A92 Seat sensor D26 Pressure Sensor discharge air D79 Filter Nipple D99 Pressure Sensor interstage E40 Seat 1 pressure detecting pipe H63 Seat 2 pressure detecting pipe H83 Pressure Sensor oil ...

Страница 130: ... Element control line filter 849 Support pressure sensor 892 Support plate solenoid valve 896 3 Way Solenoid Valve 897 Control Line Filter 898 Pressure Differential Indicator 899 Solenoid Valve Manifold A92 Seat sensor A95 Adapter control air piping A98 Nipple D26 Pressure Sensor discharge air D79 Filter Nipple D99 Pressure Sensor interstage H83 Pressure Sensor oil 14 Control Air Pipe ...

Страница 131: ...port pressure sensor 898 Pressure Differential Indicator A92 Seat sensor D26 Pressure Sensor discharge air D79 Filter Nipple D99 Pressure Sensor interstage E40 Seat 1 pressure detecting pipe H63 Seat 2 pressure detecting pipe H83 Pressure Sensor oil 14 Control Air Pipe Water Cooled ...

Страница 132: ...12 Rear Panel 2 913 Rear Panel 3 914 Top Panel 1 915 Top Panel 2 925 cover 1 piping 926 cover 2 piping 929 Rubber Bush control cable 938 Handle 939 Rubber Bush 940 Rubber Bush 942 Common Base 943 Left Frame 944 Front Frame 945 Right Frame 946 Rear Panel 4 953 Instrument Panel 966 Top Panel 3 976 Rear Duct 1 977 Rear Duct 2 990 Cover 991 Left Door A71 Fork Slot Cover D14 Magnet D25 Chain H59 Left C...

Страница 133: ...917 Duct air intake 921 Cover air intake filter duct 922 Air Intake Filter 932 Wing Nut 933 Stud Bolt 937 Bolt with assistant 975 Duct motor 982 Support Frame 3 H88 Protective Cover H95 Support Frame 1 H96 Support Frame 2 H95 932 H88 933 917 922 937 921 975 H96 982 ...

Страница 134: ...el 3 914 Top Panel 1 915 Top Panel 2 925 cover 1 piping 926 cover 2 piping 929 Rubber Bush control cable 938 Handle 939 Rubber Bush 940 Rubber Bush 942 Common Base 944 Front Frame 946 Rear Panel 4 951 Left Frame 953 Instrument Panel 966 Top Panel 3 969 Right Frame 990 Cover 991 Left Door A71 Fork Slot Cover D14 Magnet D25 Chain D91 Seal Cover 1 D96 Seal Cover 2 H59 Left Corner Cap H60 Right Corner...

Страница 135: ...Cover air intake filter duct 922 Air Intake Filter 932 Wing Nut 933 Stud Bolt 937 Bolt with assistant 975 Cover 1 motor duct 976 Duct motor 1 977 Duct motor 2 978 Cover 2 motor duct E59 Duct 1 Starter Box E60 Duct 2 Starter Box H87 Protective Cover 1 H88 Protective Cover 2 H95 Support Frame 1 H96 Support Frame 2 15 Enclosure 2 Water Cooled ...

Страница 136: ...uge D41 Ejector D42 Vacuum Indicator D43 Valve Sheet D44 Valve Spring D45 Air Filter Air Pressure Regulator D46 Diaphragm air pressure regulator D48 Element air filter D49 Float Trap D78 Packing E62 O Ring air pressure regulator E63 OMR Consumable Parts Kit E96 OMR Relief Valve H17 Valve H18 Stem H76 Tube Fitting Assy 1 H77 Tube Fitting Assy 2 Does not come with the prod uct 16 Oil Mist Remover ...

Страница 137: ... have a problem when using the product read the section 4 TROUBLESHOOTING carefully and examine the problem by yourself If you still cannot find the answer contact your distributor and declare the following information Model TYPE Serial Number MFG NO Check the nameplate on the product Total Operating Hours and Delivery Date Your Problem Customer s Operation Interruption Condition ...

Страница 138: ...ite Operating the compressor without parts replacement may cause failure of the compressor 13 2 Disposal To dispose of the compressor after long use be sure to drain lubricating oil It is dangerous if lubricating oil leaks to the outside for some reasons from a disposed compressor Contact the local HITACHI distributor master dealer or representative office Note the Compressor s Specifications belo...

Страница 139: ...89 254 when loading purging 128 psi 0 88 MPa or less 153 67 32 104 0 40 153 67 13 26 psi 0 09 0 18 MPa op freq 110 Hz or more 7 23 psi 0 05 0 16 MPa op freq 110 Hz or less Drain Discharge Drain Discharge Within the gauge Water cooled Control criteria Fixed speed type 408 209 When loading 25 38 psi 0 17 0 26 MPa When unloaing 11 0 psi 0 08 0 MPa 100 psi 417 214 when loading 100 psi 0 69 MPa or less...

Страница 140: ...89 254 when loading purging 128 psi 0 88 MPa or less 153 67 32 104 0 40 153 67 13 26 psi 0 09 0 18 MPa op freq 110 Hz or more 7 23 psi 0 05 0 16 MPa op freq 110 Hz or less Drain Discharge Drain Discharge Within the gauge Water cooled Control criteria Fixed speed type 408 209 When loading 25 38 psi 0 17 0 26 MPa When unloaing 11 0 psi 0 08 0 MPa 100 psi 417 214 when loading 100 psi 0 69 MPa or less...

Страница 141: ...wer HP kW 73 3 54 7 71 5 53 4 83 9 62 6 82 9 61 8 118 9 88 7 112 6 84 0 82 2 61 3 82 2 61 3 113 9 85 0 111 0 82 8 No of Compression Stage 2 2 Driving Method Gear Driven Gear Driven Motor Starting Method Star delta Soft start Discharge Air Pipe Connection inch 2 flange 2 flange Discharge Air Temperature Ambient temperature 27 15 or lower Ambient temperature 27 15 or lower Oil Quantity gal L 6 6 25 ...

Страница 142: ... 5 79 4 59 2 110 9 82 7 107 9 80 5 No of Compression Stage 2 2 Driving Method Gear Driven Gear Driven Motor Starting Method Star delta Soft start Discharge Air Pipe Connection inch 2 flange 2 flange Discharge Air Temperature Cooling water temperature 23 13 or lower Cooling water temperature 23 13 or lower Cooling water pipe connection inch 1 1 4 1 1 4 Cooling water inlet temperature 95 35 or lower...

Страница 143: ...kW 2 1 5 3 2 2 400 V Class Rated Capacity kVA 2 6 3 6 Rated Output Current A 3 8 5 5 Rated Input Current A Air Cooled Water Cooled Controller Specifications Model DSP 55VATN DSP 55VWTN DSP 75VATN DSP 75VWTN Specs Main Motor Main Motor Power HP kW 75 55 100 75 400 V Class Controller Capacity kVA 78 107 Rated Output Current A 120 165 Rated Input Current A 110 155 ...

Страница 144: ...Printed in Japan DSA 590 2014 1 Hitachi Industrial Equipment Systems Co Ltd ...

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