Table of Contents
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No. 2920 1390 02
Replaces No. 2920 1390 01
Registration code: APC FD / 38 / 975
2001-12
Atlas Copco Air dryers
FD90, FD110, FD130, FD170 and FD230
Instruction book
· Copyright 2001, Atlas Copco Airpower n.v., Antwerp, Belgium.
Any unauthorized use or copying of the contents or any part thereof is prohibited. This
applies in particular to trademarks, model denominations, part numbers and drawings.
· This instruction book meets the requirements for instructions specified by the machinery
directive 98/37/EC and is valid for CE as well as non-CE labelled machines.
Web-site: http://www.atlascopco-compressors.com
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Summary of Contents for Atlas Copco FD90
- Page 1 FD90, FD110, FD130, FD170 and FD230 Instruction book · Copyright 2001, Atlas Copco Airpower n.v., Antwerp, Belgium. Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in particular to trademarks, model denominations, part numbers and drawings.
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Page 2: Table Of Contents
Record all operating data, maintenance work effected, etc. in an operator's logbook available from Atlas Copco. Follow all applicable safety precautions, amongst others those mentioned in this book. Repair operations should be performed by trained personnel from Atlas Copco who can also be contacted if any further information is desired. -
Page 3: Leading Particulars
The condensate collects in condensate 50643F 4 S7 S3 M1. Refrigerant compressor S3. Fan control switch S7. High pressure shut down switch Control panel Condenser Hot gas by-pass valve Liquid refrigerant dryer/filter Fig. 1.1 General view of FD90 2920 1390 02... -
Page 4: Automatic Regulation System
Instruction book AI. Wet air inlet Insulating block Refrigerant condenser AO. Dry air outlet Condensate separator 10. Hot gas by-pass valve M1. Refrigerant compressor Condensate trap Air/refrigerant heat exchanger/ M2. Condenser fan motor Automatic condensate drain hose evaporator S3. Fan control switch Manual condensate drain valve 12. - Page 5 (optional) Timer (optional) Button, ON-OFF Fig. 1.3 Electrical diagram of FD90 up to FD130 Fan control switch (S3) starts fan motor (M2) as soon as the The compressor motor has a built-in thermic protection. If the condenser pressure reaches the upper set point of the switch...
- Page 6 Instruction book Electronic condensate drain Indicator lamp, DEWPOINT Crankcase heater (optional) ALARM (optional) Button, ON-OFF Run capacitor Start relay Fan control switch Start capacitor Compressor motor Electronic thermostat with Main fuses, local installation Condenser fan motor display (optional) (customer's installation) Temperature sensor, dewpoint High pressure shut down switch Indicator lamp, VOLTAGE ON...
- Page 7 Instruction book Fig. 1.5 Electrical diagram of FD170 220/440V/60Hz and FD230 220/440V/60Hz Fig. 1.6 Electrical diagram of FD170 575V/60Hz and FD 230 575V/60Hz 2920 1390 02...
- Page 8 Instruction book An electronic thermostat (Fig. 1.7) with display and alarm functions is available as an option. Display (3) shows the pressure dewpoint. The set point value, i.e. the pressure dewpoint at which the alarm indicator lamp lights up, can be checked by pressing key (5);...
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Page 9: Installation
Instruction book 2 INSTALLATION 2.1 Dimension drawings (Figs. 2.1 and 2.2) Fig. 2.1 Dimension drawing of FD90 up to FD130 2920 1390 02... - Page 10 Instruction book Fig. 2.2 Dimension drawing of FD170 up to FD230 2920 1390 02...
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Page 11: Installation Proposal
Instruction book 2.2 Installation proposal (Fig. 2.3) FD dryer Pressure gauge By-pass system 2a. DD-type general-purpose prefilter Drain pipe By-pass valve 2c. PD-type afterfilter Dryer outlet valve Dryer inlet valve Air receiver with condensate drain Fig. 2.3 Installation proposal Insulating block with heat exchangers Condenser Condensate separator 51533F... -
Page 12: Installation Instructions
The hoses must Condensate trap slope downwards. For draining of pure condensate, install Insulating block with heat exchangers an oil/water separator; consult Atlas Copco. Liquid refrigerant dryer/filter If the condensate drain has been led down outside the Cubicle compressor room where it may be exposed to freezing temperatures, it must be insulated. -
Page 13: Pictographs
The operator must apply all relevant safety precautions, including those mentioned in this book. Altitude operation Consult Atlas Copco if operating above 3000 m. 3.1 Initial start 1. At least 4 hours before starting, the mains supply to the dryer must be switched on to energize the crankcase heater of the refrigerant compressor. -
Page 14: During Operation
Instruction book 3.3 During operation 5 SETTINGS Regularly check: The regulating and safety devices are factory-adjusted to obtain 1. Pressure dewpoint indicator (1-Figs. 3.1 and 3.2). 1) optimum performance of the dryer. Do not alter the setting of 2. That condensate is discharged (4-Fig. 2.5). The amount any of the devices. -
Page 15: Principal Data
0-45 Min.-max. compressed air inlet temperature ....Celsius 0-55 0-55 7.2 Specific data of FD90, FD110 and FD130 1) FD90 FD110 FD130 Volume flow at dryer inlet at nominal conditions ..50 Hz... -
Page 16: Specific Data Of Fd170 And Fd230
Instruction book 7.3 Specific data of FD170 and FD230 1) FD170 FD230 Volume flow at dryer inlet at nominal conditions ....50 Hz 60 Hz Pressure drop through dryer at nominal conditions, approx.
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