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INSTRUCTION MANUAL
OIL-FLOODED
ROTARY SCREW AIR COMPRESSOR
Air-Cooled Type
OSP-55VAN
OSP-75VAN
Prior to operation of this air compressor,
ensure that all operators read and
understand this INSTRUCTION MANUAL
completely, thereby operating it safely
and properly.
Place the INSTRUCTION MANUAL near
the air compressor to make it available
at any time, and refer to it as the need
arises.
NEXT T
NEX
● T his INSTRUCTION MANUAL explains in detail
the important items that require attention;
observed as the following:
● A lways observe notations of WARNING, CAUTION
and IMPORTANT, as they indicate considerable
risks to safety.
GRAPHIC DESCRIPTIONS:
： T his is a warning. If handled improp-
WARNING
erly, death or severe injury could
result.
CAUTION
： T his is a caution. If handled improper-
ly, injury and/or physical damage
could result.
： T his graphic is for items that need
IMPORTANT
attention, other than WARNING and
CAUTION.
： T his graphic is a page number reference.
series
series
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Related Manuals for Hitachi HISCREW V PLUS NEXT Series
Summary of Contents for Hitachi HISCREW V PLUS NEXT Series
- Page 1 INSTRUCTION MANUAL OIL-FLOODED ROTARY SCREW AIR COMPRESSOR NEXT T series series Air-Cooled Type OSP-55VAN OSP-75VAN ● T his INSTRUCTION MANUAL explains in detail the important items that require attention; observed as the following: ● A lways observe notations of WARNING, CAUTION and IMPORTANT, as they indicate considerable risks to safety.
- Page 2 = 0.098 MPa ● Hitachi may make improvements and/or changes in the products described in this publication at any time without notice. ● The model equipped 55kW is used as the representative model for the product figures in the manual.
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Page 3: Table Of Contents
CONTENTS 1. TO USE IN SAFETY … ……………………… 2 8. PERIODIC MAINTENANCE …………… 42 8.1 Periodic Maintenance for 2. PARTS DESCRIPTION AND THEIR Compressor ………………………… 42 FUNCTIONS………………………………… 5 8.2 Typical Maintenance Standard (A) 2.1 Appearance …………………………… 5 of Air Compressor ………………… 43 2.2 Main Component Units and their 8.3 Typical Maintenance Standard (B) Functions ... -
Page 4: To Use In Safety
CAUTION USE THE GENUINE SYNTHETIC OIL ONLY. ● Always use the "NEW HISCREW OIL NEXT" (Hitachi's genuine synthetic oil) for the air compressor. DO NOT mix with any other brand's oil. ● Replace the oil regularly as scheduled by the instruction manual. - Page 5 ● DO NOT use any brand’s oil then “NEW HISCREW ● Ground the air compressor. OIL NEXT” (Hitachi's genuine synthetic oil). Replace the oil and the oil separator(element and housing) periodically as the instruction manual. Any defect of oil separator and oil degradation can cause explosion or fire.
- Page 6 1. TO USE IN SAFETY Caution for the DCBL motors DANGER For repair, disassembly or servicing, contact the vender or Hitachi authorized distributors. Repair and disassembly must be done by specialists. There is danger of electric shock, injury and/or fire.
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Page 7: Parts Description And Their Functions
A nameplate is attached on the left enclosure panel. It indi- cates the HISCREW type (model number), motor output and frequency, working pressure, and manufacturing number. Inform the Hitachi distributor of such information whenever asking it to service your HISCREW. Hitachi Industrial Equipment (Malaysia) Sdn. Bhd. -
Page 8: Main Component Units And Their Functions
2. PARTS DESCRIPTION AND THEIR FUNCTIONS [Main Component Units and their Functions] 2.2 Main Component Units and their Functions ［Front View］ Oil Cooler/Aftercooler Oil cooler and After- cooler are separated unit, however, the first cools lubricant while the second cools com- pressed air. -
Page 9: How To Operate
3. HOW TO OPERATE 3.1 Air Compressor Instrumentation ■ Buttons and Lights Used for Routine Operation IMPORTANT Pressure Setting Function (Option) Digital Monitor LOAD Light (yellow) The LOAD light comes to blink when Glows (not-blinking) when the Displays discharge pressure, operating hours, the HISCREW is loading under the HISCREW is loading under discharge air temperature, loading rate, total... - Page 10 3. HOW TO OPERATE [Air Compressor Instrumentation] ■ Remote Operation and PQ Wide Mode Function. REMOTE Buttons REMOTE Light (green) Comes to (glows on blink) when a remote Each time the REMOTE button to operation is enabled. toggle between a remote operation Also, comes to blink when the multiple unit and a local operation ( see p.16).
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Page 11: How To Use The Digital Monitor And Its Controls
3. HOW TO OPERATE [How to Use the Digital Monitor and its Controls] 3.2 How to Use the Digital Monitor and its Controls (1) D isplaying the Air Discharge Pressure, Operating Hours Discharge Air Temperature, Motor Output, Total Loading Time, Operating Frequency, and Alarm or Shutdown Code When you connect the power, the digital monitor displays the discharge air pressure. - Page 12 3. HOW TO OPERATE [How to Use the Digital Monitor and its Controls] (2) Displaying the Shutdown History To display shutdown history, proceed as follows: ① Press the SELECT button 8 times. The screen displays Discharge air pressure display Latest shutdown SWITCH DISPLAY “E0.” together with the shutdown code ( see p.
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Page 13: Initial Start-Up
3. HOW TO OPERATE [Initial Start-Up] 3.3 Initial Start-Up IMPORTANT (1) For safety, the machine cannot be operated for 5 sec- CAUTION onds after turning the power on even if the START but- ton is pressed. If the START button is pressed within the period between 5 and 15 seconds after the power- Before turn the power ON, make sure if on, the STANDBY light blinks for up to 10 seconds for... - Page 14 3. HOW TO OPERATE [Initial Start-Up] 3.3.3 Operation ① Press the START button. ③ ② START light glows and the compressor starts. ③ G radually closing the discharge side valve, and keep running-in of the machine at the oil separator tank internal pressure gauge of 0.5-0.6 MPa for an hour.
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Page 15: How To Set Control Functions
3. HOW TO OPERATE [How to Set Control Functions] 3.4 How to Set Control Functions ■ Various settings (instantaneous power interruption (IPI), remote operation, capacity control setting, pressure setting, etc.) Switches display from monitor mode to setting mode (F mode). 重新设定... - Page 16 3. HOW TO OPERATE [How to Set Control Functions] Settings can be altered or entered into the memory from the digital monitor without opening the start panel. Function 7 segment display Item Range Precision/unit Initial value Multiple unit control 0： Single operation, 1: Multiple unit F000 Control setting 0〜1...
- Page 17 3. HOW TO OPERATE [How to Set Control Functions] 3.4.1 Alteration of Pressure Setting Values Use the following procedure to alter the pressure set- Pressure ting values for the capacity control system. setting 1 ① Switch from monitor mode to setting mode (F mode).
- Page 18 ③ Make sure that the REMOTE light is on to indicate a remote operation enabled. Method (3): On an External Setting Switch (Consult your Hitachi Authorized dealer or Hitachi Local Representative.) ① Wire the external setting switch. ② Switch from monitor mode to setting mode (F mode).
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Page 19: Daily Operation
SHUTDOWN of the compressor. ● Investigate the cause and take necessary measures when the Relief Valve functions or the compres- sor stops by other safety device. Ask your dealer or your nearest Hitachi regional office if there is any question. - Page 20 3. HOW TO OPERATE [How to Set Control Functions] 3.5.3 Operation ① Press the START button. Make sure that the air compressor starts. ② Make sure that the oil level during operation is kept within the range between the red lines. ③...
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Page 21: Daily Check
4. DAILY CHECK WARNING 1． Before check and maintenance of the compressor, carefully read “TO USE IN SAFETY” ( see p.2) again. 2． Be sure to disconect the power when check or maintenance is carried out. Then, make sure the fan inverter’s charge lamp and the DCBL controller’s charge lamp, goes off after about 10 minutes elapse. -
Page 22: Lubricant Management
Ask your dealer or Hitachi regional office for replacement of the genuine synthetic oil (NEW HISCREW OIL NEXT). If the oil level in the shutdown state goes beyond the 4 liters oil can: Part No. - Page 23 4. DAILY CHECK [Lubricant Management] 4.3.2 How to drain and fill oil ① Prepare as follows: - Press the STOP button. Oil Separator Tank Internal - Disconnect the power. Pressure - Open the front door and make sure the oil sepa- Gauge rator tank internal pressure gauge reads 0 MPa.
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Page 24: Troubleshooting
In case where ALARM is given or a SHUTDOWN happens, remove its causes before restart the unit. Ask your dealer or your nearest Hitachi regional office if you have any question or unclear point. 5.1 When ALARM or SHUTDOWN is Displayed 5.1.1 ... - Page 25 5. TROUBLESHOOTING [When ALARM or SHUTDOWN is Displayed]] 5.1.4 Instantaneous Power Interruption Restart This compressor is equipped with a function of 运行状况 Instantaneous Power Inter r uption Restar t. If the Ｒ ＵＮＮ Ｉ ＮＧ ＭＯＤ Ｅ Instantaneous Power Interruption occurs, this function detects it, Make AUTO START light blinks and waits 远 程...
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Page 26: Shutdown/Alarm Indications On The Instrument Panel
ALARM or SHUTDOWN (as ‘A/S’ below) code. If this is the case, refer to the following table to identify the cause. If you cannot identify the cause, or for the problem with a mark in the table, contact a Hitachi distributor. Category of... - Page 27 5. TROUBLESHOOTING [SHUTDOWN/ALARM Indications on the Instrument Panel] Category of What and HISCREW Light: Action Causes What Actions to Take Mark How to Reset Code Problem Shutdown How to Detect History Failure of ROM E0.47 (or printed circuit board) Disconnect Disconnect and reconnect the power.
- Page 28 5. TROUBLESHOOTING [SHUTDOWN/ALARM Indications on the Instrument Panel] ■ How to Check Cause of Shutdown When E0.13 (Controller Abnormality) and E0.57 (Fan Inverter Abnormality) and Shutdown History in DCBL Controller and Fan Inverter ① Press the SELECT switch 14 times. “E6” and “E7” are shutdown histories of the DCBL controller.
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Page 29: A List Of Shutdowns Not Displayed On Instrument Panel
5. TROUBLESHOOTING [A List of SHUTDOWNS Not Displayed on Instrument Panel] 5.3 A List of SHUTDOWNS Not Displayed on Instrument Panel Ask your dealer or Hitachi regional of fice if the cause of malfunction is unknown or with mark shown in a REMARKS column. - Page 30 2． D o not operate the unit without protective equipment. In case of SHUTDOWN, read this section “5. TROUBLESHOOTING” to remove the cause. If the cause is unknown, inform and ask your dealer or Hitachi regional office. CAUTION If the unit stops due to the function of Temperature Relay, check leakage in the mechanical seal and...
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Page 31: System Of Each Component
6. SYSTEM OF EACH COMPONENT 6.1 Compressed Air and Oil Subsystems Air Exhausted from Air Compressor Compressed Air Aftercooler Oil Cooler Discharged Fan Motor Cooling Fan Minimum Pressure/ Air Intake Filter Check Valve Separator Air for Cooling Unit Suction Throttle Valve Air into Oil Filter Air End... -
Page 32: Capacity Control System
6. SYSTEM OF EACH COMPONENT [Capacity Control System] 6.2 Capacity Control System Control air flow Action of Operation 20US suction Mode 55kW 75kW throttle valve Starting NO−COM NO−COM Opened Fully closed Loading NC−COM NC−COM Closed Fully opened Unloading NO−COM NO−COM Opened Fully closed Stopping... - Page 33 6. SYSTEM OF EACH COMPONENT [Capacity Control System] ① V-mode capacity control (CPCS rotation control method) By using the pressure signals sent from the pressure sen- charge air pressure can be still controlled within a range sor, the DCBL controller executes the PID operation to cal- thanks to increasing or decreasing the motor speed itself.
- Page 34 6.2.2 PQ Wide Mode Function (1) How the PQ Wide Mode Function Works Hitachi disables the PQ wide mode function before shipping the HISCREW. Disable or enable the PQ wide mode function depending on your preference for a decrease of power consumption or an increase of discharge air quantity.
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Page 35: Instructions For Installation
7 . INSTRUCTIONS FOR INSTALLATION 7.1 Verification of Components OSP-55VAN Machine Standard Nameplate Check Accessory OSP-75VAN Foundation Bracket 2 pieces Bolt (M20×90) 2 pieces Output (kW) Bolt (M20×35) 2 pieces Nut (M20) 2 pieces Washer (M20) 2 pieces Model Fork Slot Cover 4 pieces Bolt (M6) 8 pieces... - Page 36 7. INSTRUCTIONS FOR INSTALLATION [Instructions When Installing] Never use the HISCREW in the environments as illustrated below. Place where powder of metal, cement P l a c e w h e r e i n fl a m m a b l e , Temperature over 40℃...
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Page 37: Instructions When Piping
7 . INSTRUCTIONS FOR INSTALLATION [Instructions When Piping] (2) If there is concaved or upright piping in the run, 7.4 Instructions When Piping install a drain valve at the bottom of the run to pre- vent the accumulation of the drain. 7.4.1. -
Page 38: Compressor Room Ventilation
7. INSTRUCTIONS FOR INSTALLATION [Compressor Room Ventilation] 7.5 Compressor Room Ventilation Ventilation data (1) Large amounts of heat are discharged from the Model compressor as exhaust. Be sure to provide suffi- OSP-55VAN OSP-75VAN Item cient ventilation. Amounts of heat generated from Heat generation MJ/h the compressor are given in the table on the right. -
Page 39: Instructions Of Electrical Wiring
POWER line of the compressor. motor will fail to start. A voltage drop will also occur If ear th leakage circuit breaker other than Hitachi during operation, which deenergizes the control circuit brand is used, contact your Hitachi Authorized dealer and shut the air compressor down. - Page 40 ● If the compressor is operated with the power cable of phase R or S unconnected (4) Install the Hitachi noise filters (as below) on the (i.e., phase-lacking connection condition), power supply if there are radios, TV sets, or any the machine repeats the operation between other electronics products around the HISCREW.
- Page 41 7 . INSTRUCTIONS FOR INSTALLATION [Instructions on Electrical Wiring] 7 .6.6 In case of Remote Operation In case the compressor is controlled for its start and (5) When you check the performance of the capacity control system in an initial startup operation, setup stop by the remote operation, it is required to connect the blow-off stop valve that is mounted at the sec- signal lines from remote place to the terminal board...
- Page 42 7. INSTRUCTIONS FOR INSTALLATION [Instructions on Electrical Wiring] 7.6.7 55kW Wiring diagram (380/400/415 V)
- Page 43 7. INSTRUCTIONS FOR INSTALLATION [Instructions on Electrical Wiring] 7 .6.8 75kW Wiring diagram (380/400/415 V)
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Page 44: Periodic Maintenance
8. PERIODIC MAINTENANCE CAUTION ● Before Maintenance work, read “To Use in Safety” ( see p. 2) again carefully. ● Be sure to disconnect the power, wait for about 10 minutes, and make sure that charge lamp of DCBL controller and fan inverter are off when check or maintenance is carried out. If not, such work may cause serious accident like electric shock. -
Page 45: Typical Maintenance Standard (A) Of Air Compressor
8. PERIODIC MAINTENANCE [Maintenance Standards (A)] 8.2 Typical Maintenance Standard (A) of Air Compressor…In case of annual run hour less than 6,000 hours Inspection time Reference Maintenance part and item Check Note page No. Daily 1-Month 6-Month 1-Year 2-Year 4-Year 8-Year Oil level gauge Oil level check Oil level must be within red lines during operation. -
Page 46: Typical Maintenance Standard (B) Of Air Compressor
8. PERIODIC MAINTENANCE [Maintenance Standards (B)] 8.3 Typical Maintenance Standard (B) of Air Compressor…In case of annual run hour less than 3,000 hours Inspection time Reference Maintenance part and item Check Note page No. Daily 1-Month 1-Year 2-Year 4-Year 8-Year Oil level gauge Oil level check Oil level must be within red lines during operation. -
Page 47: Performance Check Of Relief Valve
8. PERIODIC MAINTENANCE [Relief Valve, Capacity Control System] 8.4 Performance Check of 8.5 Performance Check of Relief Valve Capacity Control System ① Gradually close the stop valve on discharge side (located after the air receiver tank) to raise the dis- charge air pressure. -
Page 48: Replacement Of Oil Filter Element
8. PERIODIC MAINTENANCE [Oil Filter Element] 8.6 Replacement of Oil Filter Element ① Press the STOP button. ② Disconnect the power. ③ Close the Stop Valve on the discharge side. ④ Open the front door and wait until the oil separator tank internal pressure gauge reads 0 MPa. -
Page 49: Cleaning And Replacement Of Air Intake Filter Element
8. PERIODIC MAINTENANCE [Air Intake Filter Element] 8.7 Cleaning and Replacement of Air Intake Filter Element Clean or replace the air intake filter element, as soon as ① P ress the STOP button. possible, if the error code of an element clogging ②... -
Page 50: Cleaning Of Cooler
Compressor Front IMPORTANT If the unit is heavily contaminated, more heavy duty clean- Rear Cover ing such as steam cleaning seems to be required. Ask your dealer or Hitachi Service Station for information. Fan Duct (5) Rear Center Maintenance Cover... -
Page 51: Inspection And Replacement Of Minimum Pressure/Check Valve
CAUTION Spring Control pressure adjustment must be carried Check Valve Piston out while the unit is in operation. Therefore, ask your dealer or Hitachi regional office for the work. Element Head 8.9.2 Replacement of Minimum Pressure Valve Piston / Check Valve Piston ①... -
Page 52: Replacement Of Oil Separator Element
8. PERIODIC MAINTENANCE [Oil Separator Element] 8.10 Replacement of Oil Separator Element 8.10.1 Remove the Oil Separator Element Use a special tool (genuine part No. 52303330) for remov- Oil Separator ing a housing. Housing ① Press the STOP button. ② D isconnect the power. Turn. - Page 53 8. PERIODIC MAINTENANCE [Oil Separator Element] 8.10.2 Attach Oil Separator Element Housing When to change the element, change housing and square ring with new replacements as well. Element Head ① Check if there is any damage found on the thread Element portion of the element head or the ditch portion of square ring seal.
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Page 54: Greasing Of Motor
Use the grease gun to insert a specified amount of Use “Rare max supper N” KYOUDO YUSHI Co., LTD grease. (Hitachi part name : RMS Grease). ② Draw the grease reser voir out, and if the used grease has been discharged, clean the grease reser- IMPORTANT voir as required. -
Page 55: Cleaning Of Dcbl Motor Cooling Fins
For periodical servicing, contact the Hitachi author- ized distributors or dealers. Charge Lamp(Fan inverter) (Make sure that it is off) 8.14 Cleaning of DCBL Controller and Fan Inverter Cooling Fins... -
Page 56: Service Life Of Dcbl Controller And Fan Inverter Cooling Fins
8 years. [Reference Service Life of Smoothing Capacitor] However, the higher the ambient temp. is through out a year, the shorter the ser vice life of the capacitor as shown in the left figure. For replacement, contact your Hitachi distributor. -
Page 57: When It Is Not Used For Long Time
○ for deterioration or rusting. rusting. (NOTE) Ask your dealer or Hitachi regional office for information. CAUTION ● The compressor air end (screw block) can have rustings if no anti-rusting measure (Measures before storing, sealing) are done to it. If the unit is restarted, this may result breakage in locks or bearings of the compressor. -
Page 58: Limited Warranty And After-Sales Service
Instruction Manual. (3) Product failed or damaged as a result of repair or modification by anyone other than HITACHI and an authorized HITACHI’s distributor, who is not professional with the product. -
Page 59: Parts List
11. PARTS LIST Compressor Air End ITEM DESCRIPTION 001 Compressor Air End Assembly 002 Casing 003 D-Casing 004 Male Rotor 006 Female Rotor 008 D-Cover 009 65 Roller Bearings 011 50-3 Triserial Ball Bearings (for 55kW) 011 60-3 Triserial Ball Bearings (for 75kW) 012 50 Roller Bearings 014 FS Stop Bolt (for 75kW) 016 Stop Plate... - Page 60 11. PARTS LIST Cooler and Cooling Fan 55kW 75kW ITEM DESCRIPTION 151 Fan Motor 152 Mount, fan motor 153 Turbo Fan 154 Bell-Mouse 155 Fan Shaft Key 156 L-Bolt 157 Spring Washer 158 Plain Washer 163 Motor Bearing (ODE) 164 Motor Bearing (DE) 390 Aftercooler 391 Oil Cooler Instrumental Panel...
- Page 61 11. PARTS LIST Suction Throttle Valve 75kW （only 75kW） （only 55kW） ITEM DESCRIPTION 107 （ only 55kW） 071 Suction Throttle Valve Assembly 072 Case 074 Unloader Cover 075 Piston 076 Unloader Spring (1) 077 Valve Plate 078 Shaft 079 Unloader Spring (2) 083 O-Ring 090 Bush Metal 092 Cap Seal...
- Page 62 055 Oil Level Gauge Bolt 056 Oil Separator 057 Square Ring 061 Relief Valve ※065 ※ 063 Lubricant HITACHI genuine oil (4 L) ※ 064 Lubricant HITACHI genuine oil (20 L) ※ 065 Special tools (for oil separator) 066 Body, Oil Filter 067 O-Ring...
- Page 63 11. PARTS LIST Oil Piping ITEM 55kW DESCRIPTION 033 Nipple, oil filter 039 O-Ring 042 Cover, OTCV body 060 OTCV 173 Check Valve 179 Oil Filter Element 181 O-Ring 184 O-Ring 186 Oil Piping (1) 187 Oil Piping (2) 188 Oil Piping (3) 189 Joint (1), elbow 190 Magnet Rubber 194 O-Ring...
- Page 64 11. PARTS LIST Discharge Air Piping ITEM 55kW DESCRIPTION 062 O-Ring 202 Discharge Pipe (1) 207 Discharge Pipe (2) 214 O-Ring 215 Gasket 223 Magnet Rubber 510 Discharge Pipe (3) 75kW ITEM DESCRIPTION 062 O-Ring 202 Discharge Pipe (1) 207 Discharge Pipe (2) 214 O-Ring 215 Gasket 223 Magnet Rubber...
- Page 65 11. PARTS LIST Air Intake Duct & Air Exhaust Duct ITEM 55kW DESCRIPTION 096 Air intake cover 399 Maintenance Cover 400 Motor Duct 407 Mount (1), cooler 408 Mount (2), cooler 409 Mount (3), cooler 410 Fan Duct (1) 411 Fan Duct (2) 412 Fan Duct (3) 413 Fan Duct (4) 414 Fan Duct (5)
- Page 66 11. PARTS LIST Enclosure ITEM ITEM DESCRIPTION DESCRIPTION 420 Common Base 438 Top Cover (3) 421 Front Center Frame 441 Rear Center Cover 422 Left Frame, front corner 442 Left-Upper Front Panel 423 Right Frame, front corner 443 Rubber Bush 424 Left Frame, rear corner 444 Rubber Bush 425 Right Frame, rear corner...
- Page 67 11. PARTS LIST Starter Panel 55kW 75kW ITEM ITEM DESCRIPTION DESCRIPTION 282 Starter Panel 297 Support clasp 284 Cover, fin (1) 305 Fuse Holder 285 DCBL Controller 306 Fuse (5A) 286 Cover, fin (2) 307 Rubber Bush 287 Controller Printed Circuit Board 308 Rubber Bush 288 Fan Inverter 309 Rubber Bush...
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Page 68: Operation Record Logbook
12. OPERATION RECORD LOGBOOK Suction Air Discharge Air Integral Discharge Lubricant Operation Hour Temperature Temperature Remarks Operating Replenishment ℃ ℃ Date Hours Pressure Control Range Control Range Parts Replacement, Other matters and Start Stop liter 0 to 40 100 or below To be Recorded . . - Page 69 12. OPERATION RECORD LOGBOOK Suction Air Discharge Air Integral Discharge Lubricant Operation Hour Temperature Temperature Remarks Operating Replenishment ℃ ℃ Date Hours Pressure Control Range Control Range Parts Replacement, Other matters and Start Stop liter 0 to 40 100 or below To be Recorded . .
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Page 70: Standard Specification
If the unbalance factor of the input current exceeds 20 % during the rated load operation, install AC reactor to the input side for improvement of power supply cooperation. (The AC reactor is NOT the scope of supply from HITACHI) （4）... - Page 71 13. STANDARD SPECIFICATION ■ DCBL Controller Specification OSP-55VAN MODEL Main Motor Fan Motor Output Rating Frequency(Hz) Power Voltage(V) 400V Rated output current(A) Class Rated input current(A) − − − OSP-75VAN MODEL Main Motor Fan Motor Output Rating Frequency(Hz) Power Voltage(V) 400V Rated output current(A) Class...
- Page 72 Note down your Compressor’s Specifications for reference in the future. Model OSP- Hz Compressor Serial No. Installed on month year Start-Up on month year Purchased from Phone : Sales Person : Hitachi Industrial Equipment (Nanjing) Co.,Ltd. HIA-640D 2015.7 Printed in Japan...