Hitachi DSP-90A6N User manual

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.

INSTRUCTION MANUAL

DSP-90A6N DSP-110A6N

DSP-90VA6N DSP-110VA6N

This INSTRUCTION MANUAL explains in detail

the important items that require attention;

observed as the following:

Always observe Instructions of WARNING,

CAUTION

and IMPORTANT, as they indicate

considerable risks to safety.

HITACHI Oil-Free Rotary Screw Air Compressor

Air-Cooled

DSP-90W6N DSP-110W6N

DSP-90VW6N DSP-110VW6N

Water-Cooled

GRAPHIC DESCRIPTIONS:

WARNING

Indicates warnings. If handled

improperly, death or severe injury

could result.

CAUTION

Indicates cautions. If handled

improperly, 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.

How to Use This Instruction Manual

Model Code

This Instruction Manual covers the standard models of the Hitachi DSP air compressor.

This Instruction Manual intended to assist daily operators and maintenance personnel

in the installation, operation, control and service of the air compressor.

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 INSTRUTION MANUAL near the air compressor to make it available at any

time, and refer to it as the need arises.

If there are any questions or comments, please contact the local Hitachi distributor/

master dealer or representative office.

Fill your compressor’s model name, Serial Number, etc. in Section 13 of this

Instruction Manual. Such information may be helpful when ordering parts, periodic

maintenance, and overhaul.

For improvement of the product, contents in this manual are subject to change without notice. Please be forewarned.

Dry or Oil-Free Rotary

Screw Air Compressor

Packaged

NEXTseries

Frequency (5: 50 Hz, 6: 60 Hz)

Cooling Method (A: air-cooled ,

W: water-cooled)

V: V type

without V: fixed-speed

Nominal Output (kW)

WARNING

Never remove a protective device from the air compressor or

modify the air compressor.

It is imperative to install an earth leakage (ground) circuit breaker

on the power cable. This prevents a ground fault accident.

DSP air compressors are not designed, intended or approved for

breathing air applications. Hitachi does not approve specialized

equipment for breathing air applications and assumes no respon-

sibility or liability for compressors used for breathing air services.

1

Contents

1. SAFETY PRECAUTIONS

2.

GENERAL DESCRIPTION

2.1 Appearance

2.2 Components

2.3 Daily Operating Components

3.

OPERATING PROCEDURE

3.1 Instrument Panel

3.2 Start/Stop Operation

3.3 How to Use the Liquid Crystal Display (LCD)

3.4 How to Use the Digital Monitor

3.5 Daily Operation of Air Compressor

3.6 Daily Operation of Oil Mist Remover

3.7 Adjusting Procedure

4. TROUBLESHOOTING 4.1 Protective Device

4.2 Troubleshooting of Air Compressor

4.3 Troubleshooting of Oil Mist Remover

5.

INSTALLING AND PIPING

5.1 Unpacking the Air Compressor

THE DSP 5.2 Conveying the Air Compressor

5.3 Installing the Air Compressor

5.4 Piping the Air Compressor

5.5 Ventilation of Air Compressor Room

6. STARTUP OPERATION 6.1 Startup Operation of the Air Compressor

6.2 Initial Setting of OMR Regulator

7. WIRING 7.1 Power Supply Equipment

7.2 MIV and WIVM Wiring

7.3 Connecting the Power Cable

7.4 Wiring Diagram

7.5 Control Panel /LCD monitor Specifications

8.

STANDARD COMPONENTS

8.1 Standard Components

AND SUBSYSTEMS

8.2 Air/Oil/Water Flow

8.3 Cooling Water

8.4 Capacity Control System

8.5 Oil Mist Remover System

9. MAINTENANCE 9.1 Periodical maintenance of Air compressor

9.2 Standard Maintenance Schedule

9.3 Maintenance Schedule for Oil Mist Remover

9.4 How to Service the Air Compressor

10. CAUTIONS FOR A LONG TERM OPERATION SUSPENSION

11. PARTS LIST

12. RELOCATION AND 12.1 Relocation 119

DISPOSAL 12.2 Disposal 119

13. WARRANTY AND 13.1 Warranty 120

AFTER-SALES SERVICE

13.2 After-Sales Service 120

14. OPERATION RECORD LOGBOOK

15. STANDARD SPECIFICATIONS

2

1. SAFETY PRECAUTIONS

013B0816

012B1240012B1240

Rotating Parts!

Keep hands and rods, etc. away from

the rotating parts (Cooling fans, etc.)

Use caution at all times, when air com-

pressor is powered. The air compres-

sor may be capable of restarting with-

out hitting the START button.

When the air compressor is operating,

do not remove or open the enclosure

panels and doors.

Before servicing the air compressor,

stop it, disconnect the power, espe-

cially when accessing any rotating parts.

WARNING

Hot Surface!

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 servicing the air compressor,

stop it, disconnect the power, then

wait for the air compressor to cool

down.

Heated!!

Air End

Discharge Air pipe

Hot Surface!

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 servicing the air compressor,

stop it, disconnect the power, then

wait for the air compressor to cool

down.

Air End

Discharge Air Pipe

Hot Surface!

Aftercooler

Intercooler

WARNING

Heated!!

WARNING

Heated!!

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 servicing the air compressor,

stop it, disconnect the power, then

wait for the air compressor to cool

down.

To ensure safe and proper operation of the air compressor, it is indispensable to carefully

read and understand the following warnings and instructions detailed below. These

warnings and instructions are attached to the air compressor as shown in the figure

below.

DSP- 90/110A6N

90/110VA6N

Air-Cooled

3

1. SAFETY PRECAUTIONS

013B0816

012B1240012B1240

Do Not Breathe Air!

Discharge air can contain Carbon Monoxide and

other contaminants. Breathing the air can cause

severe injury or death.

High Pressure Air!

High pressure air can cause severe injury or death.

Be careful when air compressor is operating.

Pressurized air can blow out of air relief valves and

etc. at incredibly high velocities.

When using compressed air to clean equipment,

use extreme caution and/or wear eye protection.

Before servicing the air compressor, stop it,

disconnect the power, and relieve pressure before

removing filter, plug, fitting or cover.

Rotating Parts!

Keep hands and rods, etc. away from the rotating

parts (Cooling fans, etc.)

Use caution at all times, when air compressor is

powered. The air compressor may be capable of

restarting without hitting the START button.

When the air compressor is operating, do not

remove or open the enclosure panels and doors.

Before servicing the air compressor, stop it, dis-

connect 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 electrician.

Ground the air compressor.

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 elec-

tric shock that could lead to

severe injury or death.

Do not allow any unlicensed

person to wire the air compres-

sor. Always 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, discon-

nect the power, and wait until it is cooled down.

WARNING

4

1. SAFETY PRECAUTIONS

013B0816

012B1240012B1240

Hot Surface!

WARNING

Heated!!

Air End

Discharge Air pipe

Hot Surface!

WARNING

Air End

Discharge Air Pipe

Heated!!

Aftercooler

Intercooler

Heated!!

Hot Surface!

WARNING

Rotating Parts!

Keep hands and rods, etc. away from

the rotating parts (Cooling fans, etc.)

Use caution at all times, when air com-

pressor is powered. The air compres-

sor may be capable of restarting with-

out hitting the START button.

When the air compressor is operating,

do not remove or open the enclosure

panels and doors.

Before servicing the air compressor,

stop it, disconnect the power, espe-

cially when accessing any rotating parts.

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 servicing the air compressor,

stop it, disconnect the power, then

wait for the air compressor to cool

down.

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 servicing the air compressor,

stop it, disconnect the power, then

wait for the air compressor to cool

down.

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 servicing the air compressor,

stop it, disconnect the power, then

wait for the air compressor to cool

down.

Water-Cooled

DSP- 90/110W6N

90/110VW6N

5

1. SAFETY PRECAUTIONS

013B0816

012B1240012B1240

Electric Shock Hazard!

WARNING

Before servicing or wiring the

air compressor, disconnect

the power. This will prevent

anyone from turning on the

power and causing an elec-

tric shock that could lead to

severe injury or death.

Do not allow any unlicensed

person to wire the air compres-

sor. Always use a licensed

electrician.

Ground the air compressor.

Do Not Breathe Air!

Discharge air can contain Carbon Monoxide and

other contaminants. Breathing the air can cause

severe injury or death.

High Pressure Air!

High pressure air can cause severe injury or death.

Be careful when air compressor is operating.

Pressurized air can blow out of air relief valves and

etc. at incredibly high velocities.

When using compressed air to clean equipment,

use extreme caution and/or wear eye protection.

Before servicing the air compressor, stop it,

disconnect the power, and relieve pressure before

removing filter, plug, fitting or cover.

Rotating Parts!

Keep hands and rods, etc. away from the rotating

parts (Cooling fans, etc.)

Use caution at all times, when air compressor is

powered. The air compressor may be capable of

restarting without hitting the START button.

When the air compressor is operating, do not

remove or open the enclosure panels and doors.

Before servicing the air compressor, stop it, dis-

connect 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 electrician.

Ground the air compressor.

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, discon-

nect the power, and wait until it is cooled down.

WARNING

2.1 Appearance

Air-Cooled

DSP- 90/110A6N

90/110VA6N

This section illustrates and describes the major components of the DSP air compressor. Be familiar

with the name, location and function of each component before using the DSP air compressor.

[Front View]

[Rear View]

6

2. GENERAL DESCRIPTION

Enclosure

Oil Filling Port

Air Intake

(Inlet to the Air End)

Oil Level Gauge

OMR

Sling Fitting

Instrument Panel

Left Door

Plate of Operating /

Servicing Instructions

Air Exhaust

(Air Compressor Package)

Compressed Air Discharge

Power Supply Port

Air Intake

(Air Compressor Package)

Air Exhaust

Air Intake

Enclosure panels

lower the sound level

of the air compressor

package.

Use the port to fill the

gear case with oil.

This indicates the

quantity of the oil in

the gear case. Check

the oil level before

starting the DSP and

when operating it.

Use the sling fitting

when moving and

installing the DSP air

compressor.

3.1

Read carefully the

plate before operating

and servicing the DSP.

8.5 for the details

This panel discharges

the hot air generated

in the air compressor.

Check the specifica-

tions, power supply

and voltage before

connecting the power

supply.

Air Exhaust

Air Intake

(Air for inverter)

Air Intake

(Air for coolers)

Model designation,

manufacturing number

and specification are

printed.

Compressor Name plate

Open the left door only

when servicing the

DSP air compressor.

Keep it closed when

operating the DSP air

compressor.

Water-Cooled

DSP- 90/110W6N

90/110VW6N

[Front View]

[Rear View]

7

2. GENERAL DESCRIPTION [Appearance]

Enclosure

Oil Filling Port

Air Intake

(Inlet to the Air End)

Oil Level Gauge

OMR

Sling Fitting

Instrument Panel

Left Door

Plate of Operating /

Servicing Instructions

Air Exhaust

(Air Compressor Package)

Compressed Air Discharge

Power Supply Port

Air Intake

(Air Compressor Package)

Air Exhaust

Air Intake

Enclosure panels

lower the sound level

of the air compressor

package.

Use the port to fill the

gear case with oil.

This indicates the

quantity of the oil in

the gear case. Check

the oil level before

starting the DSP and

when operating it.

Use the sling fitting

when moving and

installing the DSP air

compressor.

3.1

Read carefully the

plate before operating

and servicing the DSP.

Open the left door

only when servicing

the DSP air compres-

sor. Keep it closed

when operating the

DSP air compressor.

8.5 for the details

This panel discharges

the hot air generated

in the air compressor.

Check the specifica-

tions, power supply

and voltage before

connecting the power

supply.

Air Exhaust

Air Intake

(Air for inverter)

Air Intake

(Air for Package)

2.2 Components

Cooling fan

Check valve

Intercooler

Aftercooler

Oil filter

Oil cooler

Air intake filter

1st-stage air end

2nd-stage air end

Main motor

Oil mist remover

Discharge pipe (Compressed

Air Discharge)

Oil level gauge

Common base

Control panel

Air relief valve

Enclosure

Instrument panel

Hi-precooler

Air-Cooled

DSP- 90/110A6N

90/110VA6N

8

2. GENERAL DESCRIPTION [Components]

Cooling fan

Check valve

Intercooler

Aftercooler

Oil filter

Oil cooler

Air intake filter

1st-stage air end

2nd-stage air end

Main motor

Oil mist remover

Discharge pipe

(Compressed air discharge)

Oil level gauge

Common base

Enclosure

Instrument panel

Air relief valve

Control panel

Water-Cooled

DSP- 90/110W6N

90/110VW6N

9

2. GENERAL DESCRIPTION [Components]

Oil Filling Port

Oil Level Gauge

Indicates the operation control section.

(

3.1)

Power ON The Power light ON.

Start: Press the START button. Start light ON.

Stop: Press the UNLOAD STOP button.

The compressor unloads for 5 minutes and then

stops. Start light OFF.

Power OFF: Power light OFF.

2.3 Daily Operating Components

Controls on the Instrument Panel

Aftercooler and Intercooler - Condensate Drain Valve

Lubricating Oil

Oil Level Gauge

Verify that air containing condensate is discharged

intermittently from the intercooler and aftercooler

drain ports.

The higher temperature and humidity, the more condensate

is produced. Condensate may not be produced on the

intercooler side during winter.

[Fixed speed type]

Intercooler

drain port

Aftercooler

drain port

Intercooler

drain port

Aftercooler

drain port

Control pipe filter

drain port

Verify that the oil stays between the upper and

lower red lines of the oil level gauge during the

operation.

Oil level might be higher than upper line during air

compressor

stopping due to oil returning from the cooler

and pipings.

10

2. GENERAL DESCRIPTION [Daily Operating Components]

Oil: Use genuine Hitachi GL-68 DSP Compressor Oil.

Replace the oil every 8,000h operating hour or every

2-year, whichever comes earlier.

10h

UNLOAD STOP

Control line filter

Sight Glass

Stop the cooling water flow when the DSP has

stopped running.

Open the water drain peacock and the water drain

valve at the water drain port to remove the cooling

water from the system.

Take care to completely drain the cooling water

during the winter season to prevent freezing in the

cooling water pipes (

8.3)

Water drain peacock

Water drain port

Cooling Water

Normally use the UNLOAD STOP button to stop

the air compressor. The 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

Control Line Filter

[Fixed speed type]

Check the sight glass on the control line filter to

make sure that the condensate discharged

properly.

11

2. GENERAL DESCRIPTION [Daily Operating Components]

Keeping the second-stage air end as dry as possible

is essential for preventing it from rusting due to a long

term operation suspension. When stopping the DSP,

therefore, execute an unloading operation and thereby

remove the moisture from the second-stage air end.

10h

UNLOAD STOP

IMPORTANT

Water-Cooled

12

3. OPERATING PROCEDURE

LCD monitor

Displays the operation data,

various settings, shutdown/

alarm information, etc.

( 3.3)

MENU Button

Displays the menu screen.

Also used to move the

cursor. ( 3.3.4)

+/- UP DOWN Button

Moves the cursor.

( 3.3.4)

SET Button

Saves any adjusted set

points.

Contrast adjustment

SET + [ ] buttons:

Increases brightness.

SET + [ ] buttons:

Decreases brightness.

( 3.3.6)

MONITOR Button RESET Button

ON (glowing) when an

automatic operation (an

AUTO operation, a schedul-

ing operation, or lead/lag

operation) is activated.

ON (blinking) when external

calendar or scheduling

operation is abnormal.

( 3.3.3, 3.3.5)

AUTO light (yellow)

Resets SHUTDOWN

and ALARM screens.

( 3.3.3)

Switches the monitor display.

( 3.3.1)

3.1 Instrument Panel

13

3. OPERATING PROCEDURE [Instrument Panel]

10h

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.

SELECT/WIDE Button/Light (Yellow)

START Button

Starts the air compressor.

The START light turns ON while

air compressor is running.

STOP Button

Stops the compressor

immediately without unloading.

( 3.2.2)

UNLOAD STOP Button

Stops the compressor in normal

state.

The compressor stops running

after removing the condensate

from the air end. ( 3.2.2)

REMOTE Button

Activates or deactivates a

remote start/stop operation

locally or on the instrument

panel. ( 3.4.6).

UNLOAD STOP

Press this button to stop the air compressor.

The air compressor will stop after removing the

condensate from the air end.

This stop button is effective while a stand alone operation.

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 pressed in

order to activate a remote operation.

ON (blinking) when an external remote-operation-

activation switch has been turned on in order to

activate a remote operation. ( 3.4.6)

LOAD light (yellow): ON (glowing) when the air

compressor is loading.

AUTO START light (green):

ON (glowing) while the air compressor is in a stop due

to an AUTO operation,lead/lag operation, or

scheduling operation.

ON (blinking) while the air compressor is in a stop due

to a restartable instantaneous power interruption.

( 3.3.3)

SHUTDOWN light (red): Blinks if a shutdown failure

occurs. ( 3.3.3)

RUNNING MODE Light

S

T

O

P

E

M

E

R

G

E

N

C

Y

Press to confirm the measurement

values, shutdown history, and

setting status. ( 3.4.1, 3.4.2)

To set the ECOMODE [Energy

saving mode] (Fixed speed type

only), hold down the

SELECT/WIDE

button for at least 7 seconds. The

light blinks and ECOMODE is set.

14

3. OPERATING PROCEDURE [Start/Stop Operation]

3.2.1 Connecting the Power

When the power is connected, the POWER light turns

ON and the following Hitachi logo display appears on

the LCD. After 5 seconds, monitoring display appears;

it shows operation type, discharge air pressure, total

operating hours, etc.

If phase is reversed, “Connection Error: Reverse

Phase” will be displayed on the LCD monitor as a

setting/connection check message. In this case,

exchange 2 out of the 3 main power cables. If the air

compressor has control transformer in the control

panel, Open Phase is indicated as Reverse Phase. So

check the power cable connection of T Phase.

In case of open phase, “Connection Error: Open

Phase” will be displayed on the LCD monitor. In this

case, check the power cables.

3.2 Start/Stop Operation

COMPRESSOR MONITOR

CONTROLLER

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The asterisk blinks when the clock and total

running hours are active.

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 5-minute drying of air end

and air piping.

To stop the compressor immediately without

unloading, press the STOP button.

Note) If the STOP button is pressed during unloading,

the compressor stops immediately.

(1) The air compressor does not start for 10 second after

power on to secure the safety.

For

, if the START button is pressed within 10 to

15 seconds after power-on, the AUTO START light will

blink up to 10 seconds for operation preparation and

then the compressor starts running.

(2) Make sure that the door is closed before starting the

air compressor.

(3) Buttons, such as START/STOP/RESET function shall

be pressed for more than 0.3 seconds.

IMPORTANT

3.2.3 Emergency Stop

Pressing EMERGENCY STOP button, the DSP

compressor immediately stops.

This switch should only be pressed in emergency.

The compressor can not be restarted until the switch is

manually reset.

Turn the switch knob clockwise and press the RESET

button to reset.

5 seconds

15

3. OPERATING PROCEDURE [How to Use the Liquid Crystal Display (LCD)]

3.3.1 How to Move between the Various Displays

Menu Displays

Follow the bottom line message on the display.

3.3 How to Use the Liquid Crystal Display (LCD)

Monitoring Displays

There are three monitoring displays as shown

below. This monitoring display is the top screen.

The monitoring display switches every time the

MONITOR button is pressed.

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Monitoring Display ( 3.3.2)

Monitor display 1

Monitor display 2

Monitor display 3

Message Display ( 3.3.3)

Menu Screen ( 3.3.5)

㻞㻜㻝㻞䠋㻜㻥䠋㻜㻝㻝㻥䠖㻜㻞

㻼㻾㻱㻿㻿㼁㻾㻱

㻵㻺㼀㻿㼀㻳䠊㻼䠖䚷䚷㻞㻥㼜㼟㼕

㻻㻵㻸㻌㻼㻾㻱㻿䠖㻌㻌㻝㻡㼜㼟㼕

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㻜䉣

㻰㻵㻿䠊㼀㻱㻹㻼㻞䠖㻟

㻝

㻟㻤䉣

㻻㻵㻸㻌㼀㻱㻹㻼䠖㻟㻣䉣

㻯㻸㼀䠊㼀㻱㻹㻼䠖㻖㻖㻖䉣

㻞㻺㻰㻌㻿㼁㻯㼀䠊㼀䠊䠖㻜㻤䉣

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

Function Menu Display

㼇㻲㼁㻺㻯㼀㻵㻻㻺㻹㻱㻺㼁㼉

㻝䠊㻮㻭㻿㻵㻯㻿㻱㼀㼁㻼

㻞䠊㻹㼁㻸㼀㻵㻙㼁㻺㻵㼀

㻟䠊㻯㻭㻼㻭㻯㻵㼀㼅㻯㻻㻺㼀㻾㻻㻸

㻠䠊㻿㻯㻴㻱㻰㼁㻸㻱

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

㻞㻜㻝㻞䠋㻜㻥䠋㻜㻝㻝㻥䠖㻜㻞㻖

㼀㼅㻼㻱䠖㼂㻿㻰㻭

㼀㼁

㻰㻵㻿䠊㻼㻾㻱㻿㻿䠖㻢㻣

㼜㼟㼕

䠘㻿㻴㼁㼀㻰㻻㼃㻺䠚

㻯㻻㻻㻸㻭㻺㼀䠖

㻻㻵㻸䠖

㻞䠪㻰㻌㻿㼁㻯㼀䠊㼀㻱㻹㻼

㻴㻵㻳㻴㻌㻰㻵㻿䠊㼀㻱㻹㻼䠖

㻌

㻯㻻㻺㼀㻭㻯㼀㻻㻾㻌㻱㻾㻾䠖

㻻㼂㻱㻾㻸㻻㻭㻰䠖

㻸㻻㼃㻌㼃䠊㻵㻺㼀㻿㼀㻳㻌㻼䠊

㻰㻾㼅㻱㻾㻌㻌㻌㻌㼃䠋㻻㻌㻿㻱㻼䠊

㻱㻸㻱㻹㻱㻺㼀

㻼㼞㼑㼟㼟㻾㻱㻿㻌㼍㼒㼠㼑㼞㻌㻯㻴㻷䠊

㻝

About the LCD Backlight

(1) In the event that no button has been used for 10

minutes, the LCD backlight automatically turns OFF for

protection to the display panel. It comes ON again if

any button is pressed, other than the START and STOP

buttons.

(2) If an event happens while the LCD backlight is off, the

backlight automatically turns ON and stays ON as long

as the event exists. Remote and instant stop mode

can't be set by the LCD monitor. Set after referring to

“3.4 How to Use the Digital Monitor.”

Message Display

Automatic restart/stop messages after shutdown or

warning occurrence and inspection/maintenance

messages is preferentially displayed in the Monitor

Display 3.

By pressing the MONITOR button here, the display

can be switched but is back to the Monitor Display 3

after approximately 10 seconds.

IMPORTANT

16

3. OPERATING PROCEDURE [How to Use the Liquid Crystal Display (LCD)]

3.3.2 Monitoring Displays

(10)

(11)

㻞㻜㻝㻞䠋㻜㻥䠋㻜㻝㻝㻥䠖㻜㻞

㻼㻾㻱㻿㻿㼁㻾㻱

㻵㻺㼀㻿㼀㻳䠊㻼䠖㻌㻌㻞㻥㼜㼟㼕

䠆

㻻㻵㻸㻌㻼㻾㻱㻿䠖㻌㻌㻝㻡㼜㼟㼕

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㻜䉣

㻰㻵㻿䠊㼀㻱㻹㻼㻞䠖㻟

㻝

㻟㻤䉣

㻻㻵㻸㻌㼀㻱㻹㻼䠖㻟㻣䉣

㻯㻸㼀䠊㼀㻱㻹㻼䠖㻖㻖㻖䉣

㻞㻺㻰㻌㻿㼁㻯㼀䠊㼀䠊䠖㻜㻤䉣

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

㻝

Monitor Displays during Normal Operation

Monitor Display 1

Monitor Display 2

“CURRENT” reading is an approximate S-phase Amp

reading.

“OUTPUT” reading is an approximate calculated power

reading.

IMPORTANT

(1) Indicates current time. An asterisk blinks.

(2) Indicates the control state.

(3) Indicates a discharge pressure (DIS.PRESS)

(4) Indicates total running hours (RUN HOUR), total

loaded hours (LOAD HOUR), and total number of

loads (LOAD TIMES).

Blinking asterisk means counting the running

hours.

(5) Indicates a percentage of load to unload of the DSP

air compressor (LOAD RATE).

For Vtype, the rate is calculated based on only

frequency. Indicates “ ”, if PQ wide mode is

selected.

(6) Indicates the amperage current of the package

input (CURRENT).

(7) Indicates the operating frequency of the main motor

(FREQUENCY).

(8) Indicates “ ” for this air compressor.

(9) Indicates (MASTER), when the air compressor is

master in lead-lag operation.

(10) Indicates each pressure and temperature. “ ”

indicates not in use.

(11) Indicates the number of hours until the next

maintenance service (HR. TO MAINT), and the

next maintenance type (NEXT MAINT).

VSDA SAVE

Indicates ECOMODE is activated for

fixed speed type.

(

3.4.8)

Displayed when stop is limited for AUTO

operation (Standard: no symbol)

INTE : Indicates fixed speed type used the standard, 2-step

control system.

AUTO : Indicates fixed speed type used the automatic motor

stop/restart capacity control system.

VSDB : Indicates Vtype without the AUTO capacity control.

VSDA : Indicates Vtype with the AUTO capacity control

(standard setting for Vtype).

EXIT : Indicated the external capacity control is used.

MR : Indicates multi unit control system through the

communication is used

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

㻞㻜㻝㻞䠋㻜㻥䠋㻜㻝㻝㻥䠖㻜㻞

㼀㼅㻼㻱䠖㼂㻿㻰㻭

㻰㻵㻿䠊㻼㻾㻱㻿㻿䠖㻢㻣㼜㼟㼕

㻖

㻾㼁㻺㻌㻴㻻㼁㻾䠖㻝㻞㻜䡄

㻸㻻㻭㻰㻌㻴㻻㼁㻾䠖㻡㻠䡄

㻸㻻㻭㻰㼀㻵㻹㻱㻿䠖㻝㻞㻟

㻸㻻㻭㻰㻾㻭㼀㻱䠖㻝㻝䠂

㻸㻻㻭㻰㼀㻵㻹㻱䠖㻞㻠䡏

㼁㻺㻸㻻㻭㻰㻌㼀㻵㻹㻱䠖㻝䡏

㻯㼁㻾㻾㻱㻺㼀䠖㻡㻜䠝

㻲㻾㻱㻽㼁㻱㻺㻯㼅䠖㻞㻟㻚㻤䠤䡖

㻻㼁㼀㻼㼁㼀䠖㻝㻠㻚㻣䡇

㻹㻭㻿㼀㻱㻾

㼃

17

3. OPERATING PROCEDURE [How to Use the Liquid Crystal Display (LCD)]

㻞㻜㻝㻞䠋㻜㻥䠋㻜㻝㻝㻥䠖㻝㻥㻖

㼀㼅㻼㻱䠖㼂㻿㻰㻭

㼀㼁

㻰㻵㻿䠊㻼㻾㻱㻿㻿䠖㻌㻌㻢㻣㼜㼟㼕

䠘㻿㻴㼁㼀㻰㻻㼃㻺䠚

㻯㻻㻻㻸㻭㻺㼀䠖

㻻㻵㻸䠖

㻞䠪㻰㻌㻿㼁㻯㼀䠊㼀㻱㻹㻼

㻴㻵㻳㻴㻌㻰㻵㻿䠊㼀㻱㻹㻼䠖

㻌

㻯㻻㻺㼀㻭㻯㼀㻻㻾㻌㻱㻾㻾䠖

㻻㼂㻱㻾㻸㻻㻭㻰䠖

㻸㻻㼃㻌㼃䠊㻵㻺㼀㻿㼀㻳㻌㻼䠊

㻰㻾㼅㻱㻾㻌㻌㻌㻌㼃䠋㻻㻌㻿㻱㻼䠊

㻱㻸㻱㻹㻱㻺㼀

㻼㼞㼑㼟㼟㻾㻱㻿㻌㼍㼒㼠㼑㼞㻌㻯㻴㻷䠊

2012䠋 01䠋 01 19䠖 19 *

TYPE䠖 VSDA

DIS䠊 PRESS䠖 46psi

䠘 FA I LURE䠚

SYSTEM ERR䠖

SYSTEM RETRY

PCB ERR䠖

PRESS䠊 SNSR ERR䠖

TEMP䠊 SNSR ERR䠖 1

D 䡅 sconnect power

snd cont act

di st r 䡅 bu t or

㻞㻜㻝㻞䠋㻜㻥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䚷䚷㻢㻣㼜㼟㼕

䠘㻼㻾㻻㻮㻸㻱㻹䠚

㻯㻻㻺㻺㻱㻯㼀㻵㻻㻺㻌㻱㻾㻾䠖㻌㻌㻌

㻾㼑㼏㼛㼚㼚㼑㼏㼠㻌㼜㼛㼣㼑㼞䠊

㻹㼁㻸㼀䠥㻙㼁㻿㻱㼀㻱㻾㻾

㻿㻯㻴㻱㻰㼁㻸㻱㻌㻿㻱㼀㻌㻱㻾㻾

㻯㻻㻹䠊㻱㻾㻾㻌㻿㼀㻻㻼䠖㻌㻌㻌㻌㻌

㻯㻻㻹䠊㻱㻾㻾㻌㻭㻸㻹䠖㻌㻌㻌㻌㻌

㻮㻭㼀㼀㻱㻾㼅㻌㻻㼁㼀

㻼㼞㼑㼟㼟㻾㻱㻿㼍㼒㼠㼑㼞㻯㻴㻷䠊

3.3.3 Message Displays

Shutdown Messages

When the shutdown occurs for the compressor, the SHUTDOWN light and shutdown contents on the LCD

monitor (contents are displays on the left side and details are displayed on the right side) blink and the

compressor stops running. There are 2 types of screens for shutdown: SHUTDOWN and FAILURE.

Take the proper corrective action, and press the RESET button.

For further information,

Section 4.

(Example)

When the air compressor stops running with blinking FAILURE

and TEMP.SNSR ERR, the temperature sensor 1 is

disconnected.

(Example)

When the air compressor stops running with blinking

SHUTDOWN and OVERLOAD, it indicates the thermal relay

trip by overload.

Alarm Messages

When the alarm occurs for the air compressor, the ALARM light and contents / details displayed on alarm screen

on the LCD monitor blink and operation continues. There are 2 types of alarm screens: ALARM and PROBLEM.

Take the proper corrective action, and press the RESET button.

For further information,

Section 4.

NOTE) Malfunction detection of water failure (LOW W) is available for only water cooled single stage compressor.

Malfunction detection of dryer (DRYER) is available for only built-in dryer models. Malfunction detection of

oil water separator (W/O SEP) is not available.

(Example)

When the ALARM and AIR FILTER blink, it indicates air

intake filter clogs.

(Example)

When the PROBLEM and BATTERY OUT blink, it indicates

the battery replacement period.

㻞㻜㻝㻞䠋㻜㻥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䚷䚷㻢㻣㼜㼟㼕

䠘㻭㻸㻭㻾㻹䠚

㻰㻵㻿䠊㼀㻱㻹㻼䠖䠄㻌㻌㻌䠅㻖㻖㻖䉣

㻻㻵㻸㻌㼀㻱㻹㻼䠖㻖㻖㻖䉣

㻸㻻㼃㻌㻻䠊㻼䠊䠖㻖㻖㼜㼟㼕

㻯㻸㼀䠊㼀㻱㻹㻼䠊䠖㻖㻖㻖䉣

㻸㻻㼃㻌㻯㻸㼀䠊㻼䠖㻖㻖㼜㼟㼕

㻞䠪㻰㻙㻿䠊㼀㻱㻹㻼㻌㻲㻵㻺㻙㼀

㻸㻻㼃㻌㼃䠊㻸㻻㼃㻌㻻㻵㻸

㻰㻾㼅㻱㻾㻭㻵㻾㻌㻲㻵㻸㼀㻱㻾

㻸䠊㻯㻻㼁㻺㼀㻌㻻㼂㻱㻾㻌㼃䠋㻻㻌㻿䠊

㻼㼞㼑㼟䡏㻾㻱㻿㼍㼒㼠㼑㼞㻌㻯㻴㻷䠊

18

3. OPERATING PROCEDURE [How to Use the Liquid Crystal Display (LCD)]

㻞㻜㻝㻞䠋㻜㻥䠋㻜㻝㻝㻥䠖㻜㻞㻖

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䚷䚷㻢㻣㼜㼟㼕

䠘㻾㻱㻿㼀㻭㻾㼀䠚

㻾㻱㻿㼀㻭㻾㼀㻭㼀䠖䠆䠆䠖䠆䠆

㻾㻱㻿㼀㻭㻾㼀㼃㻭㻵㼀䠖㻌㻞㻣䡏

㻺㻻㼃䠈㻿㼀㻻㻼㻼㻱㻰䠞䠵䠖

㻿㻯㻴㻱㻰㼁㻸㻱㻿㼀㻻㻼

㻭㼁㼀㻻㻹㻭㼀㻵㻯㻿㼀㻻㻼

㻰㻾㼅㻱㻾㻼㻾㻱㻿㼀㻭㻾㼀㻱㻰

㻰㼁㻭㻸䠋㻮㻭㻯㻷㼁㻼

㻵㻼㻵㻌㻾㻱㻿㼀㻭㻾㼀

㻯㼀㻸㻾䠊㻾㻱㼀㻾㼅

Messages of Automatic Stop Display

When the air compressor stops automatically, the AUTO START light glows or blinks and RESTART display

appears. After the air compressor restarts, monitoring display appears again.

SCHEDULED STOP: Schedule operation setting

This indicates that the air compressor has been

automatically stopped by a pre-set time.

The air compressor starts automatically when the

pre-set restart time comes.

LEAD/LAG OPERATION STOP (option)

This indicates that the air compressor is waiting for

starting as a slave unit in a two-unit-alternate

operation or a backup operation.

DRYER PRESTARTED (Built-in dryer model)

This indicates that the dryer has started and air

compressor is waiting for the start. The RESTART

WAIT field shows an expected waiting period until

the air compressor can start in seconds.

AUTO OPERATION

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)

For both fixed speed and Vtype, this indicates that

the air compressor has stopped due to an

instantaneous power interruption (IPI). The

RESTART WAIT field shows an expected waiting

period until the air compressor can restart in

seconds.

For Vtype, this indicates that the air compressor has

stopped due to the variable speed drive failure and is

waiting for restart as well. The RESTART WAIT

field shows an expected waiting period until the air

compressor can restart in second.

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