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23

SYMPTOM

POSSIBLE CAUSE - SUGGESTED ACTION

Excessive pressure drop within the dryer.

The dew point is too low - the condensate is frost and blocks the air -see
the specific section.

 

Check for restriction in the flexible connection hoses.

DewPoint too low.

Verify the electric wiring of the Air Dry Controller.

 

Verify the wiring of the hot gas by pass solenoid valve.
The coil of the hot gas by-pass solenoid valve burned out - replace.
The probe of the Air Dry Controller does not properly detect the
temperature of the evaporator - push the probe until it reaches the
bottom of the measurement well.
The set point of the Air Dry Controller is very low - see paragraph SET-
UP of the Air Dry Controller.
Air Dryer Controller doesn’t work - replace.
The hot gas solenoid valve is blocked - contact a refrigerating systems
engineer.

LED       of the Air Dry Controller is always on.  Verify the electric wiring of the probe of the Air Dry Controller.

The first and the last led of the display of Air Dry Controller blink
simultaneously, the probe doesn’t work - replace.

 

Air Dryer Controller doesn’t work - replace.

Excessive pressure drop within the dryer.

The dew point is too low - the condensate is frost and blocks the air -
see the specific section.
5 micron filters is clogged - replace the cartridges.
Check for throttling the flexible connection hoses.

7.2 DISMANTLING OF THE DRYER

If the dryer is to be dismantled, it has to be split into uniform groups of materials.

The refrigerant contains droplets of lubrication oil released by the refrigerating compressor. 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 center where it will
be recycled.

Содержание RHS110 SCFM

Страница 1: ...HIGH INLET TEMPERATURE REFRIGERATED DRYER RHS20 110 SCFM PRINTED IN THE USA 2 2 620 REV REL 9 99...

Страница 2: ...Features of the Dryers 75 110 SCFM 5 TECHNICAL DESCRIPTION 5 1 Control Panel 5 2 Operation 5 3 Flow diagram 5 4 Refrigeration Compressor 5 5 Condensing unit 5 6 Dehydration Filter 5 7 Capillary Tube 5...

Страница 3: ...he panels are not in place Maintenance or control operation to be performed by qualified personnel 1 Compressed air inlet connection point Compressed air outlet connection point Condensate drain conne...

Страница 4: ...and tested to separate the humidity normally contained in compressed air Any other use has to be considered improper The Manufacturer will not be responsible for any problem arising from improper use...

Страница 5: ...ter to extinguish fire on the dryer or in the surrounding area Minimum installation requirements Select a clean dry room Free from dust and protected from the weather The mounting surface must be smoo...

Страница 6: ...s The capacity of the tank must be sized in order to compensate for more demanding conditions peak air consumption CORRECTION FACTOR FOR OPERATING PRESSURE CHANGES PSIG 80 100 150 200 230 FACTOR 1 25...

Страница 7: ...ient temperature the conditions of the main installation the length of the cables and the requirements enforced by the local Power Provider Ensure the dryer is properly grounded Do not use adapters on...

Страница 8: ...ng for air leakage 3 3 OPERATION AND SWITCHING OFF Operation Check the condenser for cleanliness Check the aftercooler for cleanliness Verify that the system is powered Activate the main switch on the...

Страница 9: ...9 4 1 SPECIFICATIONS FOR 20 25 SCFM RHS25 RHS20 20 00 21 25 17 75...

Страница 10: ...10 4 2 SPECIFICATIONS FOR 40 55 SCFM RHS55 RHS40 23 25 19 25 35 50 55 40...

Страница 11: ...11 4 3 SPECIFICATIONS FOR 75 110 SCFM RHS110 RHS75 110 75...

Страница 12: ...air then goes through the air air exchanger and enters the evaporator air freon exchanger where it is further cooled by contact with the freezing circuit This causes the rest of the humidity contained...

Страница 13: ...RATOR 4 CAPILLARY TUBE 14 CONDENSATE DRAIN SERVICE VALVE 5 EVAPORATOR 15 CONDENSATE FILTER 6 LIQUID SEPARATOR 75 110 SCFM 16 CONDENSATE DRAIN SOLENOID VALVE 7 HOT GAS VALVE 17 CONDENSER FAN 8 AFTERCOO...

Страница 14: ...ORM DUST AND OTHER IMPURITIES 5 6 DEHYDRATION FILTER Traces of humidity and slag which could accumulate inside the chilling plant or sludge which could occur after long use of the dryer could limit th...

Страница 15: ...is equally important to KEEP THIS SYSTEM FREE FROM DUST AND FOREIGN MATERIALS eventually introduced by the fan 5 13 AIR AIR EXCHANGER The purpose of this exchanger is the transmission of the heat of...

Страница 16: ...ain press the button SET UP The Air Dry Controller is adjusted during the final test of the dryer In case of particular requirements concerning the operation management the user can change the setting...

Страница 17: ...LEGEND IG ON OFF SWITCH V CONDENSER AFTERCOOLER FAN K REFRIGERATION COMPRESSOR PR AIR CONTROLLER PROBE KR COMPRESSOR START RELAY EVB HOT GAS VALVE KM COMPRESSOR MOTOR EVD CONDENSATE DRAIN SOLENOID VA...

Страница 18: ...GEND IG ON OFF SWITCH VC CONDENSER FAN K REFRIGERATION COMPRESSOR VA AFTERCOOLER FAN KR COMPRESSOR START RELAY PR AIR CONTROLLER PROBE KM COMPRESSOR MOTOR EVB HOT GAS VALVE KT COMPRESSOR THERMAL PROTE...

Страница 19: ...CH VC CONDENSER FAN K REFRIGERATION COMPRESSOR VA AFTERCOOLER FAN KR COMPRESSOR START RELAY PR AIR CONTROLLER PROBE KM COMPRESSOR MOTOR EVB HOT GAS VALVE KT COMPRESSOR THERMAL PROTECTION EVD CONDENSAT...

Страница 20: ...side towards outside clean the condenser and the aftercooler repeat this operation blowing from outside towards inside be careful not to damage the aluminium blades of the cooling package Close the ma...

Страница 21: ...PP 5625NNN035 WPP 5625NNN035 WPP 5625NNN035 WPP 5625NNN035 DRAIN SOLENOID WPP 64320FF005 WPP 64320FF005 WPP 64320FF005 WPP 64320FF005 WPP 64320FF005 WPP 64320FF011 DRAIN COIL WPP 64N22MM035 WPP 64N22M...

Страница 22: ...n The coil of the condensate drain solenoid valve burned out replace Air Dry Controller doesn t work replace The DewPoint is too low the condensate is frost see the specific section The dryer continuo...

Страница 23: ...d valve is blocked contact a refrigerating systems engineer LED of the Air Dry Controller is always on Verify the electric wiring of the probe of the Air Dry Controller The first and the last led of t...

Страница 24: ...and air to refrigerant heat exchangers in Gardner Denver dryers are warranted on a prorated basis from time of shipment for a period of five 5 years It is the manufacturers option to repair or replac...

Страница 25: ...arranty If a warranty situation is deemed to exist the distributor will not be billed for the call Gardner Denver service issues a warranty number known as an authorization to return number to the dis...

Страница 26: ...ir freight is required the manufacturer will pay the cost of normal ground transportation and the customer will be liable for costs above those charges Removal or reinstallation of equipment or extra...

Страница 27: ...27 NOTES...

Страница 28: ...E WARRANTY CLAIM NUMBER CAN BE FAXED For additional information contact your local representative or Gardner Denver Customer Service 1800 Gardner Expressway Quincy Illinois 62301 Telephone 800 682 986...

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