Ingersoll-Rand NVC 200 Скачать руководство пользователя страница 15

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PROBLEM

SYMPTOM(S)

POSSIBLE CaUSE

CORRECTIVE aCTION

Apparent controller

display malfunction

Display Blank

Blown Fuse

Check Fuses

Board Failure

Contact your local distributor

for further assistance.

Unrealistic temperature

displayed

Probe loose, off connection or

defective probe

Inspect probe cable and

terminal connection Replace

probe

Erratic or inaccurate

temperature readings

Probe not completely in

thermal well

Inspect probe and check

readings against independent

source (eg. temperature

analyzer/pyrometer/ice bath)

both in temperature well and to

ambient

Defective probe

Replace probe

Unrealistic pressure

displayed

Transducer loose, off

connection or defective

transducer

Inspect transducer cable and

terminal connection
Replace transducer

High pressure drop

across dryer

Outlet pressure

substantially lower than

inlet pressure System

operating temperature is

above 32°F

Inlet and outlet valves not

completely open

Open valves

Inlet and outlet filters blocked

up.

Change filter elements

Outlet pressure

substantially lower than

inlet pressure System

operating temperature is

below 32°F

Compressor relay / contactor

stuck.

Replace relay / contactor.

Microprocessor Control relay

bad

Replace relay

Probe not completely in

thermal well

Inspect probe and check

readings against independent

source (eg. temperature

analyzer/pyrometer/ice bath)

both in exchanger well and to

ambient

Problem persists

Turn dryer off and consult your

local distributor for further

assistance

Condensate drain

does not fire

Check installation is in

accordance with this manual.

Revise installation accordingly.

Inlet / outlet pipe internal

diameter too small causing

air-lock or back pressure.

Replace with larger diameter

piping.

Excessive use of bends / elbows

in inlet / outlet pipe work

causing air-lock/ back pressure.

Reduce the amount of bends

and elbows.

Outlet pipe too long / too

high causing back pressure.

Reconfigure condensate piping.

More than one condensate

source connected providing

alternative path for

condensate.

Reroute condensate to

eliminate secondary

path. Install check valves as

required.

10.0 TROUBLESHOOTINg

Содержание NVC 200

Страница 1: ...Save These Instructions Nirvana Cycling Refrigerated Dryer Models 200 400 Operator s Manual Manual Del Operador ES Manual do Operador PT Manuel De L opérateur FR Operator s Manual EN ENGLISH PORTUGUESE PRINT LANGUAGE FRENCH SPANISH ...

Страница 2: ... POINTS 9 7 6 4 ALARMS AND THEIR FUNCTIONS 9 7 6 5 ALERT MESSAGES 9 7 6 6 START MODES 9 7 6 6 1 Manual Mode 9 7 6 6 2 Remote Mode Optional 9 7 6 6 3 Auto Restart 10 8 0 INSTALLATION AND INITIAL START UP 10 8 1 LOCATION AND MOUNTING 10 8 2 PIPING AND VALVES 10 8 3 FILTRATION 10 8 4 ELECTRICAL CONNECTION 11 8 5 INITIAL START UP 11 8 5 1 START UP SEQUENCE 11 9 0 SCHEDULED MAINTENANCE 12 9 1 INTRODUCT...

Страница 3: ...assed on to the Purchaser The Company shall not be liable for any repairs replacements or adjustments to the Equipment or any costs of labor performed by the Purchaser or others without Company s prior written approval The effects of corrosion erosion and normal wear and tear are specifically excluded Performance warranties are limited to those specifically stated within the Company s proposal Unl...

Страница 4: ... operating unit Pull main electrical disconnect switch and disconnect any separate control lines if used before attempting to work or perform maintenance on the unit Do not attempt to service any part while machine is in an operational mode Do not attempt to remove any parts without first relieving the entire air system of pressure Do not attempt to remove any part of the refrigeration system with...

Страница 5: ... 200 240VAC 1PH 50 60HZ BY OTHERS REFERTO UNIT NAMEPLATE FOR POWER REQUIREMENTS 200 240VAC 1 PH 1 2 3 4 5 6 GRN RED WHT G L1 L2 BLK L3 FACTORY WIRING INCOMING LINEVOLTAGE 200 575VAC 3PH 50 60HZ BY OTHERS REFERTO UNIT NAMEPLATE FOR POWER REQUIREMENTS 200 575VAC 3 PH ELECTRICAL CONNECTION BOX CONTAINS HIGHVOLTAGE Turn Off Power And Lock Out At ALL Sources Before Opening To Perform Service Remote Ala...

Страница 6: ...rd conditions at full rated flow FAN MOTOR FILTER DRYER AIR COOLED CONDENSER EVAPORATOR AIR INLET AIR OUTLET CONDENSATE DRAIN SEPARATOR CHILLER PRECOOLER REHEATER PROCESS AND INSTRUMENTATION DIAGRAM NVC200 400 AIR AND WATERCOOLED 550032 D REFRIG COMPRESSOR CIRCULATING PUMP THERMAL MASS RESERVOIR WATER COOLED CONDENSER REFRIGERANT MATERING DEVICE WATER IN WATER OUT WATER REGULATING VALVE LEGEND AIR...

Страница 7: ...filter dryer that ensures the refrigeration system is free of contaminants A small diameter capillary tube expansion valve on water cooled dryers meters the refrigerant for introduction into the evaporator The refrigerant pressure is reduced upon entering the evaporator where as it evaporates removes heat from the thermal mass fluid 7 5 THERMAL MASS CIRCULATING SYSTEM The thermal mass fluid in a I...

Страница 8: ...ED SOLENOID DRAIN ONLY Press this button to set the amount of time in minutes that the condensate drain will be closed This is adjustable from one 1 to sixty 60 minutes DRAIN TEST SOLENOID DRAIN ONLY Press this button to open the drain to verify operation LIGHTS LCD Display Displays exchanger temperature during normal operation Also used to display exchanger temperature set point alarm condition a...

Страница 9: ...AFETY ALARM If the dryer chiller temperature falls below the factory set point the alarm routine will activate This alarm condition may cause damage to the dryer when subjected to continuous or long term exposure Note that this alarm will shut down the dryer after a response time delay This alarm will activate the remote alarm contact and reset automatically once the alarm condition is rectified 7...

Страница 10: ...s significant vibration or air pulsation such as reciprocating compressors proper vibration isolation and pulsation dampening devices should be added to protect the dryer NOTICE Failure to comply to the above instructions may result in equipment malfunction and will void warranty NOTICE Always use a backup wrench when making any threaded connection to the dryer Failure to use a backup wrench may r...

Страница 11: ...ed for all Ingersoll Rand equipment Refer to Section 13 for voltage requirements and load CAUTION Never wire directly or connect any additional wires to the compressor junction box This will cause severe system malfunction 8 5 INITIAL START UP NOTICE For water cooled models the water valve must be manually opened to ensure that the condenser is full of water prior to start up 8 5 1 START UP SEQUEN...

Страница 12: ...g dryer operation after the drain isolation valve has been manually closed The drain valve is located near the solenoid valve and requires a quarter turn to isolate the drain from system pressure 9 3 1 1 Cleaning Instructions Solenoid Drain Be sure dryer is depressurized or isolation valve is closed Disconnect drain body from filter stop Loosen connector screw to allow the electrical connector ass...

Страница 13: ...vice unit 3 matches control unit 1 type designation and colour of latching hook 1 Check if sensor tube plate 5 with contact springs 4 is clean dry and free from foreign matter 2 Insert sensor 2 into sensor tube plate 5 3 Fit latching hook 6 of control unit 1 into sensor tube plate 5 4 Press control unit 1 against service unit 3 and snap into place Open drain isolation ball valve Press drain test b...

Страница 14: ...e flow Check inlet and outlet pressure and system design capacity Correct cause of excessive flow Dryer by pass valve not closed Close by pass valve Inlet and outlet temperatures are the same No power to the dryer Check power supply and fuses circuit breakers High suction pressure Check and clean condenser Refrigerant leak Check suction pressure gauge if reading is 0 psig turn dryer off and contac...

Страница 15: ...es Inlet and outlet filters blocked up Change filter elements Outlet pressure substantially lower than inlet pressure System operating temperature is below 32 F Compressor relay contactor stuck Replace relay contactor Microprocessor Control relay bad Replace relay Probe not completely in thermal well Inspect probe and check readings against independent source eg temperature analyzer pyrometer ice ...

Страница 16: ... Optional No Air Loss Drain Debris trapped under seal Damage to seal Press and hold the test button to clear drain valve will open Replace seal with Service Kit Condensate drain bowl does not seem to fill with condensate drain does not seem to work due to air locking Optional No Air Loss Drain If bottom inlet is used top port must be used as air bleed Make sure Connect the top inlet to a higher po...

Страница 17: ...R O U N D 4 BLK COMP OL 3 C R S WHT RED GND 230V 1PH 60HZ COMPRESSOR CONNECTIONS 1 START RUN 4 1 COMPRESSOR CAPACITOR ENCLOSURE RELAY AND 2 RED RED RED BLK ELEC PLUG G MAX LOAD 0 50 A SEE NOTE 4 N L1 GRN WHT WHT WHT WHT 5 6 L1 L2 GRN G RED RED CR1 RED RED RED SHIELDED PAIR TEMPERATURE TO EXCHANGER THERMOWELL PROBE CUT OUT SW HIGH PRESS HPCO BLK BLK RED BLK RED NOTES 1 CUSTOMER POWER HOOK UP AT THE...

Страница 18: ...18 ingersollrandproducts com WIRING DIAGRAM NVC200 AIR AND WATERCOOLED WITH SOLENOID 230 1 60 220 1 50 550180A 11 0 WIRING DIAGRAMS ...

Страница 19: ...19 11 0 WIRING DIAGRAMS WIRING DIAGRAM NVC200 400 AIR AND WATERCOOLED 208 575V 3PH 60HZ 200 440V 3PH 50HZ WIRING DIAGRAM NVC200 400 AIR AND WATERCOOLED 208 575V 3PH 60HZ 200 440V 3PH 50HZ 550031D OPTIONAL NO AIR LOSS DRAIN ONLY ...

Страница 20: ...randproducts com 11 0 WIRING DIAGRAMS NVC200 400 AIR AND WATERCOOLED 208 575V 3PH 60HZ 200 440V 3PH 50HZ WIRING DIAGRAM NVC200 400 AIR AND WATERCOOLED WITH SOLENOID DRAIN 208 575V 3PH 60HZ 200 440V 3PH 50HZ 550181 ...

Страница 21: ...ER LOCATION FOR AIRCOOLED UNITS ONLY NOT SHOWN WATER COOLED INLET CONNECTION 1 2 FPT FOR 250 400 SCFM MODELS 3 8 FPT FOR 200 SCFM MODELS WATER COOLED OUTLET CONNECTION 1 2 FPT FOR 250 400 SCFM MODELS 3 8 FPT FOR 200 SCFM MODELS OUTFLOW VALVE ADJUSTMENT ACCESS MICROPROCESSOR CONTROL SEE TECHNICAL MANUAL FOR OPERATION DETAILS FRONT VIEW LEFT SIDE VIEW TOP VIEW 25 00 30 38 23 38 2 50 57 75 REAR VIEW ...

Страница 22: ...RESSURE 1 600191 TRANSFORMER CONTROL 0 15 KVA EXCEPT NVC200 1 680029 VALVE DRAIN SHUT OFF 1 682618 VALVE GLYCOL PUMP ISOLATION 1 Spare Quantities under this heading reflect the number of each item which we recommend be kept on hand for maintenance or repair The appropriate quantity for your application will depend on how critical interruptions in service are to your operation Class Quantity Sugges...

Страница 23: ... 540 245 2 0 907 15 9 6 1 6 4 38 1 1 6 1 3 NVC200 575 3 60 540 245 2 4 1 02 5 3 0 1 2 4 13 1 1 6 0 5 1 2 NVC250 460 3 60 570 259 3 8 1 588 8 5 3 1 1 2 3 6 16 1 1 6 0 5 1 2 NVC250 230 3 60 570 259 3 8 1 588 15 9 6 1 1 2 6 4 38 1 1 6 1 3 NVC250 575 3 60 570 259 3 8 1 588 7 4 3 1 1 2 3 6 16 1 1 6 0 5 1 2 NVC300 460 3 60 630 286 4 0 1 814 10 6 2 2 4 3 16 1 1 6 0 5 1 2 NVC300 230 3 60 630 286 4 0 1 814...

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