Summary of Contents for ELGi EGRD 600
- Page 1 Refrigerated air dryer EGRD 600 – 2900 Air – water cooled EN - Operation, maintenance and troubleshooting manual EGRDUL600TO2900ENR00 7425MUM240UL_EN_04.0...
- Page 2 Due to the continuous technical evolution, we reserve the right to introduce any necessary change without giving previous notice. Should you experience any trouble, or for further information, please do not hesitate to contact us. 2 – EN EGRD 600 – 2900...
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Page 3: Table Of Contents
10 4.5 Correction factors 11 4.6 Connection to the compressed air system 12 4.6.1 Inlet / outlet flanged air connections (only EGRD 600 – 1254) 12 4.7 Connection to the cooling water network (Water-Cooled) 13 4.8 Electrical connections 14 4.9 ... - Page 4 EGRD 1552 – 2900 Water Cooled 44 9.3 Electric diagrams 45 9.3.1 EGRD 600 – 1254 Sheet 1 of 3 45 9.3.2 EGRD 600 – 1254 Sheet 2 of 3 46 9.3.3 EGRD 600 – 1254 Sheet 3 of 3 47 ...
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Page 5: Identification Plate
The warranty will be immediately voided in case of even small changes or alterations to the dryer. To require repairs during the warranty period, the data reported on the identification plate must be notified. 5 – EN EGRD 600 – 2900... -
Page 6: Safety Rules
[1] Experienced and trained personnel familiar with national and local codes, capable to perform the needed activities, identify and avoid possible dangerous situations while handling, installing, using and servicing the machine. Ensuring compliance to all statutory regulations. 6 – EN EGRD 600 – 2900... -
Page 7: Warnings
The dried air cannot be used for breathing purposes or for operations leading to direct contact with foodstuff. This dryer is not suitable for the treatment of dirty air or of air containing solid particles. 7 – EN EGRD 600 – 2900... -
Page 8: Instructions For The Use Of Pressure Equipment According To Ped Directive 97/23/Ec
90%. Should the stocking time exceed 12 months, please contact the manufacturer. The packaging materials are recyclable. Dispose of material in compliance with the rules and regulations in force in the destination country. 8 – EN EGRD 600 – 2900... -
Page 9: Installation Site
The dryer does not require attachment to the floor surface. Do not block, even partially, ventilation grid. Avoid any possible re-circulation of the exhaust cooling air. Protect the dryer from air drafts or forced cooling air conditions. 9 – EN EGRD 600 – 2900... -
Page 10: Installation Layout
Type B installation is suggested when the air consumption can consistently change with peak values highly exceeding the flow rate of the compressors. The capacity of the tank must be sized in order to compensate eventual instantaneous demanding conditions (peak air consumption). 10 – EN EGRD 600 – 2900... -
Page 11: Correction Factors
Minimum std. air flow rate = = 972 scfm (1652 m³/h) 1.07 x 0.78 x 0.68 x 1.36 Therefore the model suitable for the conditions above is EGRD 1100 (1000 scfm [1698 m³/h] - nominal duty). 11 – EN EGRD 600 – 2900... -
Page 12: Connection To The Compressed Air System
(flexible hoses, vibration damping fittings, etc.). 4.6.1 Inlet / outlet flanged air connections (only EGRD 600 – 1254) Inlet / oulet flanged air connections and Victaulic ® joints are located inside the box under the dryer (see Fig.1). -
Page 13: Connection To The Cooling Water Network (Water-Cooled)
(3) – Pressure difference at dryer water connection points at maximum water flow - Other head pressure on request CAUTION : PIPING THE DRYER, INLET/OUTLET CONNECTIONS MUST BE SUPPORTED AS SHOWN IN THE DIAGRAM. FAILING WILL RESULT IN DAMAGE. 13 – EN EGRD 600 – 2900... -
Page 14: Electrical Connections
Voltage tolerance is +/- 10%. The installer is responsible for supplying and installing the power cable. Be sure to provide the proper fuses or breakers based on the data information located on the nameplate. EGRD 600 – 1254 EGRD 1552 – 2900 A residual-current device (RCD) with In =0.03A is suggested. -
Page 15: Condensate Drain
When installing and operating this equipment, comply with all National Electrical Code and any applicable federal, state and local codes. Who is operating the unit is responsible for the proper and safe operation of the dryer. Never operate equipment with panels removed. 15 – EN EGRD 600 – 2900... -
Page 16: First Start-Up
These changes have to be done only by a qualified electrician. DO NOT BY PASS RPP PROTECTION: BY OPERATING THE MACHINE IN WRONG ROTATING DIRECTION, THE COMPRESSOR WILL FAIL IMMEDIATELY AND THE WARRANTY WILL BE VOIDED. 16 – EN EGRD 600 – 2900... -
Page 17: Start-Up And Shut Down
The dryer must stop running for at least 5 minutes before being started up again. Frequent starts may cause irreparable damage. The user is responsible for compliance with these rules. The DMC24 is fitted with internal protections to prevent the dryer from starting up too frequently. 17 – EN EGRD 600 – 2900... -
Page 18: Technical Data
Technical data Technical data Technical data EGRD 600 – 2900 3/460/60 18 – EN EGRD 600 – 2900... -
Page 19: Technical Description
During those periods when the compressed air load is reduced the excess refrigerant is by-passed automatically back to the compressor via the hot gas by-pass valve circuit. 19 – EN EGRD 600 – 2900... -
Page 20: Flow Diagram (Air-Cooled)
Compressor crankcase heater Condenser fan (Air-Cooled) Liquid separator Filter dryer Refrigerant pressure transducer BHP Capillary tube Oil separator (EGRD 1750-2900) 12.1 T1 Temperature probe – DewPoint Compressed air flow direction Refrigerant gas flow direction 20 – EN EGRD 600 – 2900... -
Page 21: Refrigerating Compressor
This can limit the lubrication efficiency of the compressor and clog the expansion valve or capillary tube. The function of the filter drier, located before the capillary tubing, is to eliminate any impurities from circulating through the system. 21 – EN EGRD 600 – 2900... -
Page 22: Capillary Tube
Without compressed air flow through the dryer, rotate the adjusting screw (position A on the drawing) until the following value is reached: Hot gas setting : R407C pressure 65.3 psig (+1.45 / -0 psi) [4.5 barg (+0.1 / -0 bar)] EGRD 600 – 1254 EGRD 1552 – 2900 8 mm 5/16 in. -
Page 23: Refrigerant Pressure Switches Lps - Hps
This heater is controlled by a thermo switch which prevents overheating the oil. NOTE : The heater must be powered at least a couple of hours before the start up of the refrigeration compressor. 23 – EN EGRD 600 – 2900... -
Page 24: Electronic Instrument Dmc24
The DMC24 controls all the operations, alarms and dryer operation set-up. The display and the leds show all the operating conditions. shows that the compressor is ON. The operation of the fans is indicated by the leds During normal operation the display shows the DewPoint temperature. 24 – EN EGRD 600 – 2900... -
Page 25: How To Switch On The Dryer
The total hours of operation and the hours until the next service are shown in the field 0…999 hours and in thousands of hours from 01.0 hours on (example : if the display shows number 35 it means 35 hours; if the display shows number 3.5 it means 3500 hours). 25 – EN EGRD 600 – 2900... -
Page 26: How A Service Warning Is Displayed
HCP - High Condensing Pressure : condensing pressure (transducer BHP) beyond normal values, but within safety limits Set HP> 28barg (406psig) delay 3 minutes / Reset HP< 25barg (363psig) NOTE: with dryer ON, but without compressed air pressure, the drainer failure notice appear. 26 – EN EGRD 600 – 2900... -
Page 27: How An Alarm Is Displayed
Set T1< -3°C (27°F) delay 1 minute / Reset T1> 0°C (32°F) LCP - Low Condensing Pressure : condensing pressure too low PF4 - Probe 4 Failure : failure probe 4 PFP - Probe Pressure Failure : failure condensing pressure trasducer BHP 27 – EN EGRD 600 – 2900... -
Page 28: How To Show The Alarm Memory - Log Menu
7.15.9 Connection to serial line The DMC24 can be connected to a supervision serial line, remote control or download of log file (memory) of alarms. Contact your distributor or service centre for more information. 28 – EN EGRD 600 – 2900... -
Page 29: How To Change Operating Parameters - Setup Menu
AS = YES - CAUTION - THE DRYER MAY POWER UP WITHOUT BEING ACTED UPON. THE USER WILL BE RESPONSIBLE FOR THE INSTALLATION OF PROPER PROTECTIONS FOR POSSIBLE SUDDEN POWER RESTORATION TO THE DRYER. 29 – EN EGRD 600 – 2900... -
Page 30: Electronic Drainer
no part of the machine is under pressure and that it cannot be connected to the compressed air system. maintenance personnel have read and understand the safety and operation instructions in this manual. PLEASE REFER TO INSTRUCTION MANUAL OF ELECTRONIC DRAINER 30 – EN EGRD 600 – 2900... -
Page 31: Maintenance, Troubleshooting, Spare Parts And Dismantling
Measure and record amperage. Verify that readings are within acceptable parameters as listed in specification table. Inspect flexible hoses, and replace if necessary. At the end, check the operation of the machine. Every 8000 hours Replace Electronic drainer service unit 31 – EN EGRD 600 – 2900... -
Page 32: Troubleshooting
The hot gas by-pass valve is out of setting - contact a refrigeration engineer to restore nominal setting. There is a leak in the refrigerant circuit - contact a refrigeration engineer. 32 – EN EGRD 600 – 2900... - Page 33 There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer. LPS low pressure switch The pressure switch reset automatically when normal conditions are restored - has been check the proper operation of the dryer. activated. 33 – EN EGRD 600 – 2900...
- Page 34 5. The cooling water flow adjusting valve requires re-adjusting - contact a specialized technician to restore nominal setting (Water-Cooled). 6. Refrigerant gas leak - contact a refrigeration engineer. 7. Compressor does not work – see specific point. 34 – EN EGRD 600 – 2900...
- Page 35 : PFP – failure pressure transducer BHP (condensing pressure) – verify electric wiring and/or replace transducer. NOTE: after solving the problem, the alarms must be reset (press the keys reset simultaneously for 3 seconds). 35 – EN EGRD 600 – 2900...
- Page 36 : dt – compressor supply temperature too high (probe T4) – see specific paragraph. : HCP – condensing pressure too high – see specific paragraph. NOTE: after solving the problem, the services must be reset (press the keys reset simultaneously for at least 3 seconds). 36 – EN EGRD 600 – 2900...
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Page 37: Maintenance Operation On The Refrigeration Circuit
Do not dispose this fluid in the environment. Is has to be discharged from the dryer with a suitable device and then delivered to a collection centre where it will be processed to make it reusable. 37 – EN EGRD 600 – 2900... -
Page 38: Attachments
Timed drain output to power supply voltage Jump if not installed Water Cooled only Provided and wired by customer Brown Orange Blue Black White Yellow / Green WH / BK White / Black 38 – EN EGRD 600 – 2900... -
Page 39: Dryers Dimensions
Attachments Dryers dimensions 9.1.1 EGRD 600 – 1254 39 – EN EGRD 600 – 2900... -
Page 40: Egrd 1552 - 2900
Attachments 9.1.2 EGRD 1552 – 2900 40 – EN EGRD 600 – 2900... -
Page 41: Exploded Views
Attachments Exploded views 9.2.1 EGRD 600 – 1254 Air Cooled 41 – EN EGRD 600 – 2900... -
Page 42: Egrd 600 - 1254 Water Cooled
Attachments 9.2.2 EGRD 600 – 1254 Water Cooled 42 – EN EGRD 600 – 2900... -
Page 43: Egrd 1552 - 2900 Air Cooled
Attachments 9.2.3 EGRD 1552 – 2900 Air Cooled 43 – EN EGRD 600 – 2900... -
Page 44: Egrd 1552 - 2900 Water Cooled
Attachments 9.2.4 EGRD 1552 – 2900 Water Cooled 44 – EN EGRD 600 – 2900... -
Page 45: Electric Diagrams
Attachments Electric diagrams 9.3.1 EGRD 600 – 1254 Sheet 1 of 3 45 – EN EGRD 600 – 2900... -
Page 46: Egrd 600 - 1254 Sheet 2 Of 3
Attachments 9.3.2 EGRD 600 – 1254 Sheet 2 of 3 46 – EN EGRD 600 – 2900... -
Page 47: Egrd 600 - 1254 Sheet 3 Of 3
Attachments 9.3.3 EGRD 600 – 1254 Sheet 3 of 3 47 – EN EGRD 600 – 2900... -
Page 48: Egrd 1552 - 2900 Sheet 1 Of 4
Attachments 9.3.4 EGRD 1552 – 2900 Sheet 1 of 4 48 – EN EGRD 600 – 2900... -
Page 49: Egrd 1552 - 2900 Sheet 2 Of 4
Attachments 9.3.5 EGRD 1552 – 2900 Sheet 2 of 4 49 – EN EGRD 600 – 2900... -
Page 50: Egrd 1552 - 2900 Sheet 3 Of 4
Attachments 9.3.6 EGRD 1552 – 2900 Sheet 3 of 4 50 – EN EGRD 600 – 2900... -
Page 51: Egrd 1552 - 2900 Sheet 4 Of 4
Attachments 9.3.7 EGRD 1552 – 2900 Sheet 4 of 4 51 – EN EGRD 600 – 2900... -
Page 52: Blank Pages
Blank pages 10 Blank pages 52 – EN EGRD 600 – 2900... - Page 53 Blank pages 53 – EN EGRD 600 – 2900...
- Page 54 Blank pages 54 – EN EGRD 600 – 2900...
- Page 55 Blank pages Original instructions are in ENGLISH - Subject to technical changes without prior notice; errors not excluded 55 – EN EGRD 600 – 2900...
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