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Hanshin Machinery GRH 3 series Operation & User’s Manual

  • GRH 3 series Air Compressor
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  • Operation & User’s Manual
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Hanshin Machinery GRH 3 series Manual Online:

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Hanshin Machinery GRH 3 series User Manual
Hanshin Machinery GRH 3 series User Guide
Hanshin Machinery GRH 3 series Online Manual

Text of Hanshin Machinery GRH 3 series User Guide:

  • Hanshin Machinery GRH 3 series, 1. About Safety 10 / Hanshin Warning Be careful of being rolled by rotation Do not touch yourself or other articles on any rotating parts such as main/fan motor. The power should be off before repair, maintenance and other works Caution Beware of a scald Oil cooler, air end and tank may be very hot during or just after operation, probably causing a scald. When working around any heating source, you should wait until it is cooled after turn-off Caution Cautious of Inhalation Poorly-ventilated indoor operation may cause death or accident. Do not directly inhale the

  • Hanshin Machinery GRH 3 series, 49M2(main motor overload relay) During operation When trip R S T 51 6-1 Protective Devices and LCD Message List 1. Protective Devices The following protective devices are contained to protect the compressor against dangerous situation and the measures should be taken by referring the functions. 2. Trip, Alarm LCD Messages Alarm display [compressor operation] If the following messages are displayed, immediately replace the filters and check them. 63A(pressure switch for internal pressure detection) 49M1 (Fan motor overload relay) Internal pressure(P1) Connection Oper

  • Hanshin Machinery GRH 3 series, 47 [Schedule operation display] When the compressor operates by schedules or is waiting for the start. The left figure is displayed when pressing schedule operation button. If pressing START button after selecting schedule operation mode, it operates and stops according to the pre-defined time. [Manual no-load operation display] No load operation display when pressing manual no load start button. To return to the load operation, press it again. Stop delay time count [Insufficient coolant, trip display] water-cooling type When the compressor stops due to insufficient coolant

  • Hanshin Machinery GRH 3 series, The user s manual is prepared, based on GRH3-100A. Read this manual carefully before installing and operating the compressor and use it properly. In addition, after reading this manual, keep it close to the compressor for future reference such as repair, maintenance or trouble. DANGER Be sure to check airend rotating direction when operating the compressor for the first time after installation. If it rotates in the opposite direction, the airend can be damaged. Be sure to check the rotating direction !

  • Hanshin Machinery GRH 3 series, 21 thermostat valve safety valve separator tank oil inlet oil gauge cooling fan main motor Oil/After cooler control panel control parts inhanlation filter oil filter oil discharge valve inhanlation valve air end coupling casing coupling vibration-resistant rubber 2. Inside GRH3 star-delta User’s Manual power cable connection compressed air discharge outlet discharge pressure sensor holding pressure valve internal pressure gauge internal puressure switch

  • Hanshin Machinery GRH 3 series, 8-4 Arrangement Diagram and Spec. of Control Parts 1. Inside View of Electrical Box GRH3-20A, 25A, 30A, 35A, 50A GRH3 star-delta User’s Manual 67 MCCB 2T2 MCCB Power supply Transformer 52X TB2 Transformer TB2 49M2 CT TB1 CT 6 TB1 2T1 88F 49M1 88F 49M1 42 52 6 42 52 Analog controller Micom controller 63AX 26X 49M2 Controller Emergency Stop button Power cable lead-in opening

  • Hanshin Machinery GRH 3 series, 9 2. GRH3-75A, 100A GRH3 star-delta User’s Manual Caution Electric shock The power should be off before checking the electric box because of the danger of electric shock. After turning it off, a sign, “Power-off for check” should be indicated to avoid accident. Caution Discharge pressure ejection When checking/replacing parts, the compressor should stop with the pressure set to 0 A special attention should be paid around a safe valve because it may work during operation. Warning Be careful of being rolled by rotation Do not touch yourself or other articles on any rotating parts s

  • 71 Check Check Check Check Check Check/replace Check Replace Replace Replace Replace Check 1 mth 500h Check 2 mths 1000h 6 mths 3000h 1 yr 6000h 2 yrs 12000h 4 yrs 24000h Temp. Pressure Electric box Protective/safety devices Power cable deterioration Magnet Oil leakage Oil surface Air filter Oil Filters Oil separator Oil Belt and coupling Safety valve operation Abnormal noi

  • Hanshin Machinery GRH 3 series, 32 / Hanshin 4. Installation and Piping 9. Receiver tank The drain pipe on the bottom of the receiver tank should discharge the condensed water 4 times and more per week. For the capacity of the receiver tank by the compressor capacity, refer to the following table. Drain valve <The above data can be used to select a capacity depending on the air use conditions> Compressor Model Receiver tank cap.(m 3 ) GRH3-20A GRH3-25A GRH3-30A GRH3-35A GRH3-50A GRH3-75A GRH3-100A Since operating the compressor without the receiver tank may cause frequent loads and no-load pressure pulsa

  • Hanshin Machinery GRH 3 series, 28 / Hanshin 4. Installation and Piping 3. Ventilation of compressor’s room Air Inlet Prepare an air inlet larger than 1m2 per set at a lower place. The air inlet should be protected against dust. Vent opening Vent opening is to be installed on the top of a building so that hot air is ventilated to the outside. Vent duct When installing a vent duct, make sure to connect it to the compressor cooler’s upper vent. When installing a vent duct on the compressor, install it in a structure to easily repair and maintain. Vent duct Air inlet Compressor Model Ventilation vol. (m 3 /min) GRH3-20A 105 GRH3-25A 105 GRH3-30A 105 GRH3-35A 105 GRH3-50

  • Hanshin Machinery GRH 3 series, 27 Install the compressor in a leveled place with little noise reflection Install it horizontally on the ground Do not use any hard block as a strut Cautious against noise reflection from walls Install the compressor indoors only. If the compressor is installed outside, it may cause a trouble due to moisture and dust. Install air induction/exhaust pipes in the installation place to ventilate properly. If ambient temperature rises due to the heat from the compressor, it may cause a trouble. Warning GRH3 star-delta User’s Manual

  • 24 / Hanshin 3. Electic Wiring 3-2 Power Facilities 1. Cable thickness Since the compressor may not work properly depending on the power facility capacity and the thickness/length of the power cable and it may stop due to voltage dropping of control circuit or defective acceleration of the main motor, make sure to supply the power with the voltage dropping set within 5% of the rated power

  • Hanshin Machinery GRH 3 series, 38 / Hanshin 5. Operations 2. Routine Operation Opening the front cover, check whether the compressor has any impurities or oil leakage. Then, open the electrical box door and visually inspect the tightness of power cable(black). Since the power cable is loosely connected, discoloring the red/white/blue color tubes, turn it off and re-check the cable. Operation Press [START] button to start it. During operation, check the oil level. If insufficient, stop the operation and replenish the oil. Stop If pressing [STOP] button, it stops after 10 second

  • Hanshin Machinery GRH 3 series, 40 / Hanshin 5. Operations 5-5 Remote Operation It is basically structured so that the remote operation, stop control and operation status are outputted to the contact. Just attach the Start and Stop buttons as presented in the below figure. 1. Remote Operation It operates if turning on No.10 terminal(105) and No.12 terminal(+24) once. 2. Remote Stop It stops if turning on No.11 terminal(106) and No.12 terminal(+24) once. 3. On contact during operation During operation, No.18 terminal(111) and No.19 terminal(112) are on. 4. On contact if any abnormal status If any trouble occurs, No.20 terminal(113) and No.21 te

  • Hanshin Machinery GRH 3 series, 70 / Hanshin 9. Specifications 9. Specifications GRH3 20A 2.4 2.2 2.0 Direct 15 66 673 GRH3 25A 3.0 2.7 2.4 18 67 700 GRH3 30A 3.6 3.3 3.0 22 68 726 GRH3 35A 4.3 4.0 3.7 27 4 50/60 IP22 MAX. 40 69 753 GRH3 50A 6.7 5.8 5.3 25 40A 37 1.6 70 1100 1600 1500 940 GRH3 75A 10.3 9.1 8.3 55 72 1596 GRH3 100A 13.6 12.0 10.7 75 73 1713 TYPE 7.0 bar 8.5 bar 9.9 bar OIL CAPACITY( ) DRIVING METHOD STARTING CONNECT PIPE SIZE MOTOR POWER(kW) POLES(P) VOLTAGE(V) FREQUENCY(Hz) PROTECTION DEGREE FAN MOTOR(kW) SERVICE AIR TEMP.( ) ALLOWABLE AMBIENT TEMP.( ) NOISE LEVEL Width(mm) Depth(mm) Height(mm) Weight(kg) Single Stage Oil Injection Screw Air Compressor CAPACITY FAD* (m 3 /

  • Hanshin Machinery GRH 3 series, 14 / Hanshin 1. About Safety Wiring should be executed in accordance with the indoor wiring rules of the common industrial technology standard, electric facility standards. Wiring should be executed only by a competent electrician. When wiring on the terminals of the compressor, it should be wired to avoid any bending part while a hole into which wires are penetrated should be protected for the sheath from vibration by using rubber and other materials. Install a circuit breaker suitable for the type on the power lead-in. Connect the grounding to the grounding terminal inside the electric box. The grounding should be

  • Hanshin Machinery GRH 3 series, 18 / Hanshin 1. About Safety 2. Names of Parts Front side Rear side 2. Names of Parts upper cover Micom oil gauge window front-left door front-right door compressed air discharge outlet rears-side door air inlet vent duct connector right-side door(R) right-side door(L) power cable lead-in opening left-side door(R) left-side door(L) 2-1 GRH3-20A, 25A, 30A, 35A, 50A Fully understand the names and functions of parts relating to the routine operation and manage the compressor. 1. Appearance

  • Hanshin Machinery GRH 3 series, 20 / Hanshin 2. Names of Parts Front side Rear side upper cover front-right door front-left door oil gauge window Micom front-right door rears-left door rears-right door vent duct connector right-side door right-side door air inlet power cable lead-in opening left-side door air inlet 2-2 GRH3-75A, 100A Fully understand the names and functions of parts relating to the routine operation and manage the compressor. 1. Appearance compressed air discharge outlet

  • Hanshin Machinery GRH 3 series, 29 4. Installation of Ventilator When installing a ventilator, refer to the following figure. If the compressor is installed in an airtight place or a place with lower ceiling, install the air inlet and vent opening as presented in the left figure and attach ventilation fan on the opening. Locate the air inlet in a position with little moisture or dust and close to the ground. The opening should be attached to a position well ventilated to the outside. When connecting a vent duct to the compressor’s cover, do not use a vis and instead, use a tab for the attachment on the compressor’s cover. When installing a vent duct, install a net and si

  • Hanshin Machinery GRH 3 series, 1. About Safety 8 / Hanshin Warning Be careful of being rolled by rotation Do not touch yourself or other articles on any rotating parts such as main/fan motor. The power should be off before repair, maintenance and other works Caution Beware of a scald Oil cooler, air end and tank may be very hot during or just after operation, probably causing a scald. When working around any heating source, you should wait until it is cooled after turn-off Caution Cautious of Inhalation Poorly-ventilated indoor operation may cause death or accident. Do not directly inhale the compressed air nor use it for air supp

  • 39 5-4 Schedule Operation 1. Check and enter the schedule operation time. For the directions, refer to page 49. 2. If selecting Schedule mode by pressing Schedule operation mode button once, the following screen is displayed. 3. If pressing START button, it shows the following screen and the compressor operates and stops in accordance with the schedule operation time. Displaying the pr

  • 52 / HanShin 6. Troubleshooting 6-2 Trouble Causes and Measures 1. Fan motor overload, trip Causes: fan motor overload or wrong connection of fan motor power cable Checkpoint: check the current and electric wiring If overload is found as a result of measuring the current, check it as follows. How to reset: press and then press [STOP] button on Micom. Motor overcurrent -Check the fan rotati

  • Hanshin Machinery GRH 3 series, 13. Outside Drawing by Models 78 / Hanshin water in water out oil gauge main motor Outlet for oil cloolant control panel control parts inhanlation filter oil filter after cooler inhanlation valve Flow switch thermostat valve air end coupling casing coupling oil cooler Inside power cable connection oil inlet oil discharge valve discharge pressure connection holding pressure valve safety valve internal puressure switch separator tank internal pressure gauge compressed air discharge outlet discharge pressure sensor Outlet for condensed water Outlet for cooling water

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