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9

Scroll Enclosure Air Compressors

1. When Caution is being signalled

by the unit, caution number
shown in Chart

5 flashes on display

section (compressor does not stop).
When caution condition goes
away, display will stop flashing
and the latest caution information
is being memorized inside the
printed circuit board.

2. You can check caution information

by going to Caution Display Mode.

3. When caution occurs, cut off cir-

cuit breaker, solve the problem
and switch on breaker again.
Caution condition will be can-
celled.

CA 21: Temperature of air end is high

- When the temperature of air end
becomes high, CA 21 will be dis-
played. See Chart 10.

CA 22: Failure on temperature sensor -

See Chart 11.

CA 31: Current is High - When current

is high, CA 31 is displayed. See
Chart 12.

CA 91, CA 92: Intermediate

Maintenance and Inspection - It
shows that maintenance time
(remaining time to intermediate
maintenance and inspection) is 0.
Refer to Set Mode on page 8 for
details. It is time for grease up,
replacement of tip seal, etc.
Contact our distributor and ask
them to do intermediate mainte-
nance and inspection.

Caution Signal

Operating Mode

Operating Situation

d 110

Initial stage of stop

d 111

Normal stop

d 112

Dryer preliminary start-up

d 120

Initial stage of start

d 121

Start 1

d 122

Start 2

d 130

Initial stage of load

d 131

Normal load

Chart 9 - Detail of Operating Mode

Item

Causes

Ambient temperature

Ambient temperature is high

Failure of cooling

1. Intake metal screen is clogged
2. Exhaust outlet is clogged
3. Aftercooler fins are dirty
4. Defective exhaust fan on compressor side.

5. Damaged intake hose
6. Cooling passage of compressor is clogged

Chart 10 - Troubleshooting Guide: CA 21

Item

Causes

Sensor

1. Temperature sensor cords are not properly connected
2. Temperature sensor cords are cut
3. Defective temperature sensor

Ambient temperature

When it is less than about 10°C

Chart 11 - Troubleshooting Guide: CA 22

Item

Causes

Electric source

1. R phase or T phase is not connected well
2. Voltage is unstable
3. Deterioration of wiring
4. Low voltage

Exhaust pressure too high 1. Set pressure is wrong

2. Pressure sensor cord is disconnected or is not contacted
3. Defective pressure sensor
4. Clogged control piping due to freezing

Air end

Failure

Electric motor

Failure

V belt

Tension is too tight

Chart 12 - Troubleshooting Guide: CA 31

Caution
Troubleshooting
Guide

«
...
7
8
9
10
11
...
»

Содержание 10 HP

Страница 1: ...us situation which if not avoided MAY result in minor or moderate injury CAUTION WARNING DANGER Scroll Enclosure Air Compressors Notice indicates important informa tion that if not followed MAY cause damage to equipment Unpacking After unpacking the unit inspect care fully for any damage that may have occurred during transit Make sure to tighten fittings bolts etc before putting unit into service ...

Страница 2: ...st be drained from the compressor and the electrical source must be turned off before attempting to inspect or repair the unit 7 Keep clear of all moving parts espe cially if the compressor is operating with the door panel removed for inspection or repair Do not touch HOT parts of the compressor such as the air end discharge pipe aftercooler motor etc 8 Keep flammable gases away from the compresso...

Страница 3: ...ECTION The motor overload protection on the scroll compressor is controlled by an overload relay which is located beneath the magnetic starter Please refer to the electrical drawings for specifications CURRENT SENSOR Model SED1007 utilizes current sensors to prevent motor overload This device is located next to the magnetic starter CONTROL TRANSFORMER The control transformer on the scroll compress...

Страница 4: ...the exhaust air outside to pre vent the compressor from operating at high temperatures and shutting down 4 Never locate the compressor where hot exhaust air from other heat generating units may be pulled into the unit SUGGESTED VENTILATION SYSTEM 1 The following ventilation capacity is designed to keep the tempera ture rise inside the room to be max 10 F Since the calculation is based on zero stat...

Страница 5: ...hen the pressure reaches 107 6 psig the lag air end will stop When the pressure rises reaches 113 1 psig the lead air end will also stop 4 As the discharge pressure drops down to 100 3 psig the lead air end will start again The lag air end will start when the pressure drops down to 93 0 psig 5 The status of each air end can be monitored from the control panel 15 AND 20HP CONTROLLER SET1507 SEQ2007...

Страница 6: ...top or bottom air end Operating Shows operating time in x 10 hours This display Time means 230 hours Operating Shows operating condition of top and bottom air ends Conditions and their relationship Operating Displays the present operating conditions of air end No Conditions 1 through No 4 From left to right they indicate air end No 1 2 3 4 In the above example air end No 1 and No 3 are in operatio...

Страница 7: ...ay means 58 C When air end temperature is less than 15 C or other failure like cut of temperature sensor occurs displays Operating Shows Operating Time in x 10 hours when emergency Time stop occurs This display means 230 hours Operating Shows Operating Mode in number when emergency Mode stop occurs Refer to Chart 9 for Operating Mode Item Display Contents Emergency Code No Description AL 21 Sudden...

Страница 8: ... psig This display means 116 psig Min Pressure Shows Min Set Pressure in psig This display means 93 psig Time to Shows Time to Change Operating Air End and prevents Change the same air end from operating for a long time 1 on Operating Air display means 15 minutes This display means 2 x 15 End minutes 30 minutes External means that external operation is set Operation means that external operation i...

Страница 9: ...nd inspection Caution Signal Operating Mode Operating Situation d 110 Initial stage of stop d 111 Normal stop d 112 Dryer preliminary start up d 120 Initial stage of start d 121 Start 1 d 122 Start 2 d 130 Initial stage of load d 131 Normal load Chart 9 Detail of Operating Mode Item Causes Ambient temperature Ambient temperature is high Failure of cooling 1 Intake metal screen is clogged 2 Exhaust...

Страница 10: ...o be a cause AL 91 and AL 92 Intermediate main tenance and inspection is over If you do not conduct intermediate maintenance when your compres sor reaches its time and continue operation for a further 200 hours with CA 91 or 92 not canceled and stop operation AL 91 or AL 92 will Emergency Alarm Signals Item Causes Ambient temperature Ambient temperature is high Failure of cooling 1 Intake metal sc...

Страница 11: ...p 54 F Driven Control SEQ2007 SLAE05 Solid State 95 115 58 8 3150 V belt Intake 1 58 Pressure temp 58 F Driven Control Specifications Compressor Motor Model Starting Overload High Temp Dimensions Number Type Horsepower Voltage System Relay Shut Down W x L x H SED1007 3 Phase TEFC 10 2 x 5 208 230 460 Magnetic Current Installed 25 x 24 2 x 49 6 starter sensor SET1507 3 Phase TEFC 15 3 x 5 208 230 4...

Страница 12: ...Ventilation Fan Inspect Replace if malfunctions Pulley Inspect groove Repair if abnormal wear is detected Motor Inspect Replace if abnormal noise is detected Intake Hose Replace Air Hose Inspect replace After Cooler Clean outside O Ring Replace Operating Panel Inspect monitor display Daily Piping Inspect for leakage Compressor Overhaul Consult factory Inspect Replace NOTES 1 Inspect and perform ma...

Страница 13: ... and the fan cover Key 24 2 Remove the air end pulley with a gear puller 3 Remove the fan duct Key 22 4 Remove the three grease caps Key 72 Do not attempt to loosen or tighten the bolt Key 71 5 Grease all three pin crank bearings CAUTION Model New Belt Load Deflection Existing Belt Load Deflection Kg 10 mm Kg 10 mm SLP05 6 0 5 5 5 0 5 Chart 17 SLP05 Bearing 1st TIme 2nd Time O S Bearing 6 times 4 ...

Страница 14: ... into the seal channel to prevent the low pressure seal from moving 4 Blow off any dust caused by remov ing the seal from the seal channel 5 Install the low pressure seal com pletely Make sure the side and bot tom lip notches are facing inward and down into the seal channel NOTE The lip notches must not be dis torted in the seal or torn off CAUTION CAUTION 6 Install backup tube in the dust seal ch...

Страница 15: ...ssure sensor Compressor TH2 Temperature sensor Compressor TH1 Temperature sensor Compressor CT2 Current sensor Compressor CT1 Current sensor Compressor MC2 Magnet contactor Compressor MC1 Magnet contactor Compressor MOTOR2 Motor Compressor MOTOR1 Motor Compressor TRANS Transformer for Compressor PCB EXB Expansion PCB Compressor DB Display Board Compressor MB Main PCB Compressor ...

Страница 16: ...es NF Noise filter F Fuse J Modular jack FAN1 2 Ventilation fan PS Pressure sensor TH3 Temperature sensor TH2 Temperature sensor TH1 Temperature sensor OCR3 Thermal relay OCR2 Thermal relay OCR1 Thermal relay MC3 Magnet contactor MC2 Magnet contactor MC1 Magnet contactor MOTOR3 Motor MOTOR2 Motor MOTOR1 Motor TRANS Transformer for PCB EXB Expansion PCB DB Display board MB Main PCB ...

Страница 17: ...ck FAN1 2 Ventilation fan PS Pressure sensor TH4 Temperature sensor TH3 Temperature sensor TH2 Temperature sensor TH1 Temperature sensor OCR4 Thermal relay OCR3 Thermal relay OCR2 Thermal relay OCR1 Thermal relay MC4 Magnet contactor MC3 Magnet contactor MC2 Magnet contactor MC1 Magnet contactor MOTOR4 Motor MOTOR3 Motor MOTOR2 Motor MOTOR1 Motor TRANS Transformer for PCB EXB Expansion PCB DB Disp...

Страница 18: ...18 Figure 10 SED1007 Scroll Enclosure Air Compressors ...

Страница 19: ...19 Scroll Enclosure Air Compressors Figure 11 SET1507 ...

Страница 20: ...20 Scroll Enclosure Air Compressors Figure 12 SEQ2007 ...

Страница 21: ...9010 92599010 1 5 V belt BT009000AV BT012000AV BT012000AV 2 3 4 6 Intake filter IP052000AV 91353690 91353690 1 7 Intake hose 02570040 02643041 02643041 2 3 4 8 Temperature sensor 02801001 02801001 02801001 2 3 4 9 Pressure sensor 97992133 97992133 97992133 1 10 Check valve IP051200AV IP087700AV IP087700AV 2 3 4 11 Safety valve SVB 7B 88 SVB 7B 88 SVB 7B 88 1 12 Electrical noise filter 07992186 079...

Страница 22: ...22 Scroll Enclosure Air Compressors Notes ...

Страница 23: ...23 Scroll Enclosure Air Compressors Service Record Compressors Date Maintenance Performed Replacement Components Required ...

Страница 24: ...DATE OF PURCHASE AND TO THE EXTENT PERMITTED BY LAW ANY AND ALL IMPLIED WARRANTIES ARE EXCLUDED THIS IS THE EXCLUSIVE REMEDY AND LIABILITY FOR CONSEQUENTIAL DAMAGES UNDER ANY AND ALL WAR RANTIES IS EXCLUDED TO THE EXTENT EXCLUSION IS PERMITTED BY LAW All claims pertaining to the merchandise in this schedule with the exception of warranty claims must be filed with POWEREX within 6 months of the inv...

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