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RXB PLUS ROTARY SCREW COMPRESSOR UNITS

MAINTENANCE

070.101-IOM (JAN 13)

Page 50

R-717 TX VALVE SIZES

TX VALVE MODE PORT SIZE

DISCHARGE TUBE SIZE

DAE..-...1.

1/16.

1/32

DAE..-...2.

1/16.

1/16

DAE..-...5.

7/64.

5/64

DAE..-..10.

3/16.

7/64

DAE..-..15.

3/16.

5/32

AAE..-...20.

5/16.

1/8

AAE..-...30.

5/16.

5/32

AAE..-...50.

3/8.

3/16

AAE..-...75.

3/8.

NONE

AAE..-..100.

7/16.

NONE

JORDAN TEMPERATURE REGULATOR

VALVE

To.increase.or.decrease.the.discharge.temperature/oil.tem-

perature,.adjust.the.knurled.nut.located.on.the.actuator.stem.

of.the.Jordan.Temperature.regulator.valve..The.temperature.

is.allowed.to.increase.as.the.nut.is.turned.higher.on.the.stem.

and.decreases.as.the.nut.is.turned.lower.

In.situations.where.system.load.conditions.increase.or.de-

crease.over.extended.periods.of.time.and.the.liquid.injection.

thermal.expansion.valve.is.not.adequate.for.the.new.condi-

tions,.an.improvement.in.valve.perfor.mance.may.be.achieved.

by.increasing.or.decreasing.discharge.tube.size.

NOTE: DO NOT ATTEMPT TO ADJUST SUPERHEAT

ADJUSTMENT STEM ON BOTTOM OF VALVE IN AN EF-

FORT TO CHANGE THE VALVE’S PERFORMANCE. THIS

ADJUSTMENT IS PRESET AT THE FACTORY. ONLY AD-

JUST 1/4” BLEED VALVE ON EQUALIZING LINE.

THERMAL EXPANSION VALVES

JORDAN TEMPERATURE REGULATOR VALVE

(For low differential pressure applications)

TYPE D THERMAL EXPANSION VALVE (1-15 TONS)

R-717

TYPE A THERMAL EXPANSION VALVE (20-100 TONS)

R-717

Содержание Frick RXB Plus 12

Страница 1: ...eplaces 070 101 IOM JAN 2000 Dist 3 3a 3b 3c Please check www johnsoncontrols com frick for the latest version of this publication THIS MANUAL CONTAINS RIGGING ASSEMBLY START UP AND MAINTENANCE INSTRUCTIONS READ THOROUGHLY BEFORE BEGINNING INSTALLATION FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH DAMAGE TO THE UNIT OR IMPROPER OPERATION ...

Страница 2: ...1 Compressor Oil Cooling Systems 32 Single Port Liquid Injection 32 Dual Port Liquid Injection 33 Liquid Injection Adjustment Procedure 33 TABLE OF CONTENTS Prestart Checklist 34 Initial Start up Procedure 35 Normal Start up Procedure 35 Restarting Unit After Power Failure 35 Maintenance Normal Maintenance Operations 36 Compressor Shutdown and Start up 36 General Instructions For Replacing Compres...

Страница 3: ...bove the refriger ant saturation temperature This ensures that all refrigerant at the compressor suction is in the vapor state DESIGN LIMITATIONS The compressor units are designed for operation within the pressure and temperature limits as shown in Frick Pub E70 100 SED JOB INSPECTION Immediately upon arrival examine all crates boxes and exposed compressor and com ponent surfaces for dam age Unpac...

Страница 4: ...024 0 A 9 0000015 Z Month A JAN B FEB C MAR D APR E MAY F JUN G JUL H AUG K SEP L OCT M NOV N DEC Additional Remarks R Remanufactured Z Deviation from Standard Configuration Geometrical Rotor Max Swept Volume Compressor Diameter Rotor Speed Drive Shaft End Cfm M H Model mm L D Rpm Ft Rev M Rev 3550 Rpm 2950 Rpm XJS XJF 95M 95 1 4 5 772 0 02513 0 000711 89 126 XJS XJF 95L 95 1 4 4 661 0 03112 0 000...

Страница 5: ...e building structure It may be necessary to use rubber or spring isolators or a combination of both to prevent the transmission of compressor vibration directly to the structure However this may increase package vibration levels because the compressor is not in contact with any damping mass The mounting and support of suction and discharge lines is also very important Rubber or spring pipe support...

Страница 6: ... they are free of burrs dirt and grit 3 Check that the keys fit the hubs and shafts properly CH COUPLING The T B Woods Elastomeric CH Coupling is used in most applications It consists of two drive hubs and a loose gear type Hytrel Drive Spacer The split hub is clamped to the shaft by tightening the clamp screws Torque is transmitted from the motor through the elastomeric gear which floats freely b...

Страница 7: ...es The following procedure is recommended MISALIGNMENT MUST NOT EX CEED 004 FOR ALL CH COU PLINGS ANGULAR ALIGNMENT 1 To check angular alignment as shown in Figure 4 attach dial indicator rigidly to the motor hub Move indicator stem so it is in contact with the outside face of compressor hub as shown in Figure 5 2 Rotate both coupling hubs several revolutions until they seek their normal axial pos...

Страница 8: ...the stem is in contact with the rim of the com pressor hub at 3 o clock as shown in Figure 9 Set indicator at zero and rotate both coupling hubs together 180O 9 o clock position as shown in Figure 8 Adjust parallel lateral misalignment using the motor adjusting screws until reading is within specified tolerance 11 Recheck angular misalignment and realign if neces sary 12 Tighten motor anchor bolts...

Страница 9: ...il leakage and catastrophic compressor failure Use of filter elements other than Frick must be approved in writing by Frick engineering or warranty claim may be denied The oil charge shipped with the unit is the best suited lubri cant for the conditions specified at the time of purchase If there is any doubt due to the refrigerant operating pressures or temperatures refer to Frick Publication 160 ...

Страница 10: ...ll be shipped by Frick below these temperatures Where low compres sion ratios low condensing pressures are anticipated thermo syphon or water cooled oil cooling should be used It is IMPERA TIVE that an uninterrupt ed supply of high pres sure liquid refrig erant be provided to the injection system at all times Two items of EXTREME IMPORTANCE are the design of the receiver liquid injection supply an...

Страница 11: ...r ensuring the above criteria are possible SYSTEM OPERATION Liquid refrigerant fills the cooler tube side up to the Thermosyphon receiver liquid level Water or hot oil above the liquid temperature flowing through the cooler will cause some of the refrigerant to boil and vaporize in the tubes The vapor rises in the return line The density of the refrigerant liquid vapor mixture in the return line i...

Страница 12: ...from the microproces sor is gener ally used to turn off the supply of flashing liquid on a shell and coil or DX economizer when the capacity falls below approxi mately 45 60 capacity 85 90 slide valve position This is done because the compressor will be more efficient operating at a higher slide valve position with the economizer turned off than it will at a low slide valve position with the econo...

Страница 13: ... economizer port to suction pressure In the case of a flash vessel there is no need for the redundancy of a back pressure regulating valve on the vessel and each of the multiple compressors Omit the BPR valve on the flash economizer vessel and use one on each compressor as shown in Figure 18 ELECTRICAL NOTE Before proceeding with electrical installation read the instructions in the section Proper ...

Страница 14: ... the oil pump motor a circuit breaker disconnect suitable for separate power feed NOTE Do not install a compressor HAND OFF AUTO switch in the starter package as this would bypass the compressor safety devices CURRENT TRANSFORMER CT RATIOS The CT ratio for various motor sizes with a 5 amp second ary is given in the following table VOLTAGE HP 200 230 380 460 575 2300 4160 20 100 5 100 5 100 5 100 5...

Страница 15: ...nstructions to the various compressor unit subsystems The microprocessor has a membrane switch keyboard Pressing the keyboard in the area outlined as a key will cause that function to be recognized by the microproces sor The keyboard has 32 membrane type keys In addition to the keyboard there is an emergency stop but ton Pushing the emer gency stop will by pass the computer and remove all power fr...

Страница 16: ...tal displays in an 8 line by 40 character format for a total of 320 characters When power is first applied to the control panel the unit will be in the Operat ing display mode To change to a different display mode press the CHANGE key The display modes in their order of rotation are 1 Operating displays 2 Setpoints displays 3 Annunciator displays 4 Shutdown Record displays 5 Freeze displays F1 Ope...

Страница 17: ...l separator heater s indicating ON or OFF FORCED UNLD A Forced Unload message indicates that the percentage of motor full load amps has exceeded the maximum limit and the microprocessor is unloading the compressor until the percentage FLA falls back to normal limits SETPOINTS DISPLAY SETPOINTS PAGE 1A ID 33 03 01 89 Cap Control 14 3 hg Thu 15 33 36 Lo Suct Cutout 20 0 hg Baud 2400 Lo Suct Alarm 18...

Страница 18: ...ormula 1024 x FLA Full Load Amps CTF 10x CT Current Transformer Primary Amps See motor nameplate See CT located in starter panel EXAMPLE FLA 230 Amps CT 300 300 5 1024 x 230 CTF 78 Round to whole number 10 x 300 AUX 1 and AUX 2 May be configured for either an alarm or shutdown and with either a normally closed NC or normally open NO contact TO CHANGE THE ADJUSTABLE SETPOINTS Adjustable Setpoints a...

Страница 19: ...The Low Oil Temper ature Alarm reported in degrees Fahrenheit will trig ger a prealarm if the oil temperature equals or falls below this setpoint LO OIL PRESS CUTOUT The Low Oil Cutout will shut down the compressor when the oil pressure equals or falls below this setpoint LO OIL PRESS ALARM The Low Oil Alarm will trigger a prealarm when the oil pressure equals or falls below this setpoint When a p...

Страница 20: ... or a new fault has occurred a new ALARM or CUTOUT message will appear NOTE Use of the Emergency Stop Button may trip one or more alarm setpoints SHUTDOWN RECORD DISPLAY SHUTDOWN RECORD P1 Thu 03 01 89 15 33 36 Hi Oil Temp Cutout Hi Oil Temp Cutout Low Temp Cutout Display for illustrative purposes only SHUTDOWN RECORD P2 Thu 03 01 89 15 33 36 Low Temp Cutout Disch Temp Cutout Disch Temp Cutout The...

Страница 21: ...onditions on a preset time schedule Having entered the desired Setback setpoint enter the start and stop time or times and select Active Yes or No NOTE To change the Setback setpoints refer to TO CHANGE THE ADJUSTABLE SETPOINTS Display for illustrative purposes only AUTO CYCLE DISPLAY AUTO CYCLE Compressor Start 20 0 g F1 To Exit Compressor Stop 18 0 hg Suct Press Min Cap Control 050 03 5 g Auto C...

Страница 22: ...SETPOINTS DISPLAY SETPOINTS PAGE 2 on page 17 and SETPOINTS DISPLAY Page 2 on page 18 Display for illustrative purposes only SETPOINTS DISPLAY Page 3 SETPOINTS PAGE 3 ID 02 04 09 90 offset act Mon 01 00 18 Sup Heat Alarm 10F no Baud 19200 Sep Cond Alarm 10F no Recycle 30 The new setpoints provided on this display allow monitoring of compressor superheat and condensing in the separator The followin...

Страница 23: ...delay used to stop the compressor The timer only accumulates time whenever the pressure drops to or below the STOP setpoint and will reset if the pressure rises above the STOP setpoint MIN SV Minimum Slide Valve Posi tion shown as a percent age will limit the slide valve position to the displayed setpoint ACTIVE Indicates whether Auto Cycle is active or not Press the CHANGE key while at this setpo...

Страница 24: ... lead will start when its START setpoint is reached for the amount of time selected for the TIME setpoint With ONE Compressor Running If the load rises The lag compressor will start when its START setpoint is reached for the amount of time selected for the TIME setpoint and the lead compressor is running at 100 slide valve or running with the motor load inhibit If the load falls The lead compresso...

Страница 25: ...ared until oil temperature ex ceeds 58 F The oil heater s shut off on compressor start AT 113 F The microprocessor instructs the liquid injection solenoid output to deenergize the liquid injection solenoid AT 122 F The microprocessor instructs the liquid injection solenoid output to energize AT 110 F TO 150 F Normal operating range The microprocessor contin ues monitoring oil temperature and repor...

Страница 26: ...e front panel of the microprocessor has been pressed B If master sequencing between multiple compressors in parallel on a common suction is desired This output data will permit the compres sor microproc essor to be interfaced with a master sequence controller See electri cal diagram for details C A master sequence controller must be installed to pro vide the signals to remote start and stop the co...

Страница 27: ...ssor command 01 ID code repeated for ver ification NOTE The compressor must be in the remote start mode for this command to be executed Returned answer A01 Character Description Position of returned data 1 Acknowledgement of com mand sent 2 3 ID code of compres sor Carriage return line feed COMPRESSOR STOP COMMAND 01S01 Start command sequence 01 Compressor ID code S Stop compressor command 01 ID c...

Страница 28: ... next 3 are Discharge Temp the next 3 are Oil and the last 3 are Separator CHANGE SETPOINTS COMMAND 01C Start command sequence 01 Compressor ID code C Change setpoint command xxx New setpoint xx New setpoint y g or h for gauge or inches The following is the complete list of the setpoints that may be changed while in the change setpoints command 01xxxy Capacity Control Setpoint 02xxxy Change Low Pr...

Страница 29: ...it 1 Output 14 24 Programmable Control Data Bit 2 Output 15 25 Programmable Control Data Bit 3 Output 16 26 27 Compressor ID Code Example If the answer returned was A10000011000000000100000001 the inputs outputs on compressor 1 which are energized are Oil level input 1 Aux 1 Input 7 Aux 2 Input 8 Oil Heater Output 10 READ FAILURES COMMAND 01F Start command sequence 01 Compressor ID Code F Read Fai...

Страница 30: ...s and shaft seal 3 Serves to remove the heat of compression from the gas keeping discharge temperatures low and minimizing refriger ant or oil break down 4 Fills gas leakage paths between or around the rotors with oil thus greatly reducing gas leakage and main tain ing good compressor per formance even at high compres sion ratios 5 Provides oil pressure for development of balance load on the balan...

Страница 31: ...A change in operating conditions may require readjustment of Slide Valve travel time NV VOLUMIZER II Vi CONTROL Solenoid valves 3 and 4 control the Vi Ratio Oil is internally ported to move the Movable Slide Stop Vi SOL 3 TOP SOL 4 BOTTOM 2 2 Energized Energized 3 5 De energized Energized 5 0 De energized De energized CAPACITY CONTROL VALVE MOUNTED ON BASE FUNCTIONAL CHECK OF THE COMPRESSOR VOLUME...

Страница 32: ...rential pressure control valve is bled off to the compres sor suction to ensure steady and constant operation of the valve BOOSTER APPLICATION Discharge gas from the high stage compressor is required to assist the differen tial pres sure control valve PDCV in providing the temperature control valve TCV with a constant back pressure A solenoid valve SV6 is installed before the differential pressure...

Страница 33: ...ntrol valve TCV1 is equalized to a constant back pressure by the differential pres sure control valve PDCV Both the differential pressure control valve PDCV and the double acting solenoid valve SV9 use discharge gas to maintain downstream pressure The gas downstream of both valves is bled off to the compres sor suction to ensure steady and constant operation of the valves LIQUID INJECTION ADJUSTME...

Страница 34: ...eck that oil heater circuit is on CAUTION The oil heater should be on 24 hours before initial start up is attempted Confirm that the Emergency Stop Button is not depressed Disengage by gently twisting to the left Confirm Microprocessor function Rotate through displays Rotate to the ADJUSTABLE setpoints display 2 pages and enter setpoints including DAY DATE and TIME Return to the Operating display ...

Страница 35: ...t the water control valve to the cooler No adjustment is required for thermosyphon oil cooling 2 The compressor slide valve poten tio meter should be calibrated 3 After three hours stop the unit and open the motor s main dis con nect Check hot align ment and adjust as necessary 4 Pull and clean the suction strainer after 24 hours of opera tion Repeat every 24 hours until the system is clean NORMAL...

Страница 36: ... short cycling occurs the valve must be closed To relieve refrigerant to low side close separator discharge service valve Slowly open bypass valve if closed and wait for pressure to equalize Close bypass and suction service valves before evacuating the unit OIL FILTER SINGLE To change the filter cartridge proceed as follows This section provides instructions for normal maintenance a recommended ma...

Страница 37: ...es SLOWLY to prevent a sudden pres sure drop which could cause an oil filter differential cutout 2 Close the outlet and then the inlet service valves of the filter being serviced Open the bleed valve on the filter canister and SLOWLY purge to atmospheric pressure 3 Follow instructions 3 4 and 5 under OIL FILTER SINGLE 4 Place the unit back into service OIL RETURN STRAINER The unit must be shut dow...

Страница 38: ...y cause excessive oil foaming nuisance oil level cutouts oil pressure loss gas or oil leakage and catastrophic compressor failure Shut down the unit when changing oil At the same time all oil filter cartridges must be changed and all oil strainer elements removed and cleaned The procedure is as follows 1 Push STOP key to shut down the unit 2 Open the disconnect switch for the compressor motor star...

Страница 39: ...r OPERATING LOG The use of an operating log as shown on the inside back cover permits thorough analysis of the opera tion of a refrigeration system by those responsible for its maintenance and servicing Continual recording of gauge pressures temperatures and other pertinent information enables the observer and serviceman to be constantly familiar with the operation of the system and to recognize i...

Страница 40: ...NERS CLEAN LIQUID STRAINERS CHANGE FILTERS CHANGE COALESCERS CHECK AND CLEAN SUCTION SCREEN 95000 90000 85000 80000 75000 70000 65000 60000 55000 50000 45000 40000 35000 30000 25000 20000 15000 10000 8000 5000 1000 200 CHECK ALIGNMENT CHECK COUPLING OIL ANALYSIS Then every 6 months VIBRATION ANALYSIS Every 6 months more frequently if levels increase REPLACE SEAL When leak rate exceeds 7 8 drops pe...

Страница 41: ... problem a new problem was created The following list of abnormal system condi tions can cause abnormal operation of the RXB compressor unit 1 Insufficient or excessive refrigeration load 2 Excessively high suction pressure 3 Excessively high suction superheat 4 Excessively high discharge pressure 5 Inadequate refrigerant charge or low receiv er level 6 Excessively high or low temperature coolant ...

Страница 42: ... the computer and its various sensors The micro proces sor console contains the SBC single board com puter and one display screen When working within the micropro cessor con sole 120 VOLTS CAN CAUSE INJURY OR DEATH To troubleshoot the low voltage side of the RXB PLUS control circuits it is necessary to have the following tools 1 Accurate digital multimeter 2 Small wire stripper 3 Small screwdriver...

Страница 43: ...Hi Vi Liquid Injection Port solenoid If 120VAC is found across Wires 12 and 2 the Hi Vi Liquid Injection Port Solenoid should be energized If not the solenoid is defective If 120VAC is not found when the LED for output 7 is on check the fuse FU7 NOTE This output should only be on when the Vi is at 5 0 ECONOMIZER OPTIONAL Output 8 controls the Economizer Solenoid Valve If 120VAC is found across Wir...

Страница 44: ...does not start check for 120VAC between Wires 39 and 2 If 120VAC is not found when the LED for Output 11 is on check the fuse FU11 If the problem persists check the control relay 3CR The Oil Pump Starter Auxiliary Contact switches voltage to Input 6 Wires 28 and 2 when the auxiliary contacts are closed and the AUTO mode is selected on 1SS If the Input does not turn on and voltage is present at Inp...

Страница 45: ... display s 3 Install the new display s 4 If present remove the grey yellow wires from P15 on the SBC see page 14 for location to the display s as they are no longer needed 5 If resistor R6 is present on the SBC cut off the wire leads on both sides see page 14 for location and remove it This resistor is no longer needed OUTPUT FUSE REPLACEMENT 1 Shut off control power 2 Remove the microprocessor co...

Страница 46: ...the transducer manifold Close the applicable transducer isolation valve NOTE To change the discharge pressure transducer PE 3 it will be necessary to depressurize the entire compressor package Follow General Instructions For Replacing Compressor Unit Components p 36 before going to step 3 3 Measure the voltage of PE 4 on connector P4 terminals WHT and BLK on the SBC with a digital voltmeter 4 The ...

Страница 47: ...his sequence until the slide valve indicates 0 fully unloaded and 100 fully loaded TEMPERATURE and or PRESSURE ADJUSTMENT All temperature and pressure sensors are factory set calibra tion is not required NOTE Refer to page 22 for description on microproces sor offset adjustment for temperature and or pressure BARE COMPRESSOR MOUNTING The following procedure is required only when a bare com pressor...

Страница 48: ...tering spring broken Free spool or replace spring Solenoid may be mechanically actuated by inserting a piece of 3 16 rod against armature pin and pushing spool to opposite end If valve is mounted on compressor push A side to confirm unload capability If valve is mounted on base push B side to confirm unload capa bility If valve works problem is electrical SLIDE VALVE WILL LOAD BUT Solenoid coil ma...

Страница 49: ...RRECTIONS PUMP WILL NOT PRODUCE Filter cartridge may be blocked Check PSID across filter Replace filter ENOUGH OIL PRESSURE TO START COMPRESSOR Strainer may be blocked Clean Oil pressure regulator set too low or stuck open Readjust or repair Low oil level Add oil Excessive refrigerant in oil Equalize separator to a lower pressure OIL PRESSURE RAPIDLY DROPS Oil pressure regulating valve improperly ...

Страница 50: ...rned higher on the stem and decreases as the nut is turned lower In situations where system load conditions increase or de crease over extended periods of time and the liquid injection thermal expansion valve is not adequate for the new condi tions an improvement in valve perfor mance may be achieved by increasing or decreasing discharge tube size NOTE DO NOT ATTEMPT TO ADJUST SUPERHEAT ADJUSTMENT...

Страница 51: ...ATOR TO OIL SEPARATOR A B C 3 1 AMOT VALVE REMOVE TEMP ELEMENT BEFORE WELDING REINSTALL ELEMENT W SENSING BULB IN A PORT TSOC RXBTSOC OIL RELIEF VALVE OPTIONAL WATER COOLED OIL COOLER THERMOSYPHON OIL COOLER WCOC FROM OIL SEPARATOR TO OIL SEPARATOR TO OIL FILTER WATER REGULATING VALVE OIL RELIEF VALVE OPTIONAL RXBWCOC ...

Страница 52: ...LVE LICO LIQUID INJECTION REFRIGERANT CUTOUT LLCO LOW OIL SEPARATOR LEVEL CUTOUT LPA LOW SUCTION PRESSURE ALARM LPCO LOW SUCTION PRESSURE CUTOUT LSL LEVEL SWITCH LTA LOW OIL TEMPERATURE ALARM LTCO LOW OIL TEMPERATURE CUTOUT M MOTOR MLC MOTOR LOAD CONTROLLER NV NEEDLE VALVE OF OIL FILTER OHTR OIL HEATER TEMPERATURE SWITCH OPA LOW OIL PRESSURE ALARM OPCO LOW OIL PRESSURE CUTOUT P PUMP PE PRESSURE IN...

Страница 53: ...JECTION BLEED LINE 12 COALESCER BLEED LINE 15 VENT UNLOADING 16 THERMO WELL 18 OIL INJECTION 19 SUCTION PRESSURE 20 SEAL WEEPAGE NOTES PRESSURE TRANSDUCER INDICATE PE1 OIL PRESSURE MAINIFOLD PE3 DISCHARGE PRESSURE PE4 SUCTION PRESSURE TEMPERATURE PROBES INDICATE TE1 SUCTION GAS TEMPERATURE TE2 DISCHARGE GAS TEMPERATURE TE3 LUBE OIL TEMPERATURE TE4 SEPARATOR OIL TEMPERATURE SOLENOID VALVE FUNCTION ...

Страница 54: ...RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 101 IOM JAN 13 Page 54 MICRO COMPONENT PLACEMENT DIAGRAM ...

Страница 55: ... RED 1 1 NEUTRAL OIL LEVEL SWITCH REMOTE RUN REMOTE LOAD REMOTE UNLOAD COMPRESSOR AUX COMPRESSOR START RELAY OIL PUMP SEL SW AUX 2 POWER POWER DATA BIT 0 DATA BIT 1 DATA BIT 2 DATA BIT 3 OIL HEATER RELAY OIL PUMP SEL SW SPARE SLIDE VALVE LOAD SLIDE VALVE UNLOAD SLIDE STOP INCREASE SLIDE STOP DECREASE LIQUID INJECTION IF REQ D HI VI LIQ INJ IF REQ D ECONOMIZER IF REQ D ALARM AUX 1 SBC WIRING DIAGRA...

Страница 56: ...SHALL BE GROUNDED ON ONE SIDE ISOLATED AND SEPARATED FROM OTHER INDUCTIVE LOADS SUCH AS LIGHTING CIRCUITS OR FROM FRICK SUPPLIED OR SPECIFIED STARTER USE MINIMUM 12 AWG FOR FEED IF SEPARATE FEED FOR HEATER CIRCUIT IS DESIRED REMOVE JUMPERS 1 TO 1A 2 TO 2A CONNECT A SEPARATE 120 VAC SOURCE TO 1A 2A 12 18 17 16 15 14 13 FU10 32 8 FU7 FU8 31 10 34 9 36 FU9 33 35 12 11 38 40 FU11 B 37 39 13 42 41 FU12...

Страница 57: ...DING GROUND NEUTRAL TO BE 14 AWG STRANDED WIRES UNLESS SPECIFIED OTHERWISE FOR HIGH POT TEST PROCEDURE SEE MMIB NO 4 11 10 7 SEE 640D0024 FOR STANDARD CONTROL CENTER ASSEMBLY FOR INSTALLATION OF MICROPROCESSOR BOARD AND EPROMS SEE MMIB NO 4 11 10 11 FOR RXB PACKAGE MICROPROSSOR TEST PROCEDURE SEE MMIB NO 4 11 10 8 ALL CONTROL CENTER WIRING TO BE 16 AWG STRANDED WIRE UNLESS SPECIFIED OTHERWISE NO T...

Страница 58: ...E VALVE 10 11 09 07 08 06 RED 2 1 3 RED WHITE BLACK C T MOUNTED IN STARTER OR MOTOR JUNCT BOX BY OTHERS 05 04 03 02 01 AMPS ONE PHASE OF MOTOR MOTOR 5 SECONDARY 0 5 AMP AC CABLE 8 CABLE 9 DO NOT GROUND PE DRAIN AT PANELCABLE TYPICAL CABLE 11 3 4 2 CHANNEL 12 0 5 AMP AC MOTOR AMPS CHANNEL 11 SLIDE VALVE CHANNEL 10 1 5 VDC ECON PRESS CHANNEL 9 1 5 VDC SUCT PRESS CHANNEL 8 1 5 VDC DISCH PRESS CHANNEL...

Страница 59: ... TOROID TWO 2 TIMES ALL IN THE SAME DIRECTION STUD KEY 1 1 PAD P10 1 NEU 230 115 230 115 SW1 GND P13 SBC 2 26 COND RIBBON CABLE P1 P11 1 8 9 5 4 3 BLK BLK RED 8 9 5 GRN 4 3 SBC RS422 PORT 1 UNIT B SBC RS422 PORT 1 UNIT A WIRING FOR LEAD LAG SEQUENCING OPTIONAL 2 TEMPERATURE SENSOR WIRING TO BE 8760 BELDEN CABLE OR EQUAL GROUND DRAIN WIRE AT PANEL GROUND ONLY INSULATE AT PROBE END NOTE 2A SPECIFICA...

Страница 60: ...ssor package or a Central Control System panel NOTE It is very important to read the installation in structions thoroughly before beginning the project Make sure you have drawings and instructions with your equipment If not call the manufacturer and request the proper instructions and drawings Every manufacturer of electronic equipment should have a knowledgeable staff willing to answer your quest...

Страница 61: ...EC for proper steering of EMI from sensitive circuits This con ductor must also be insulated to avoid inadvertent contact at multiple points to ground which could create Ground Loops In many installations that are having electronic control prob lems this essential wire is usually missing is not insulated or improperly sized NEC size ratings are for safety purposes and not necessarily for adequate ...

Страница 62: ...agnetic field effects of higher voltage conductors running either the lower or the higher voltage lines in PVC does not reduce these requirements on separation Only running in metal conduit can relieve these requirements Due to the level of EMI that can be induced onto lower voltage lines when running multiple feeders in a trench control power communications analog or signal wiring cannot be run i...

Страница 63: ...fitting between the conduit and the enclosure so that if water gets on top of the enclosure it cannot run in between the conduit and the enclosure This is extremely important in outdoor applications Note It is simply NEVER a good practice to enter through the top of an electronic control panel or starter panel that does not already have knockouts provided If knockouts are not provided for this pur...

Страница 64: ...wn protection for a Quantum panel the panel may not see the loss of the 3 phase voltage on the motor because the UPS may prevent the motor starter contactor from dropping out With the starter contactor still energized the compressor aux iliary will continue to feed an okay signal to the Quantum LX panel This may allow the motor to be subjected to the fault condition on the 3 phase bus A couple of ...

Страница 65: ...RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 101 IOM JAN 13 Page 65 OPERATING LOG SHEET ...

Страница 66: ......

Страница 67: ......

Страница 68: ...ge 68 Johnson Controls 100 CV Avenue Waynesboro PA 17268 1206 USA Phone 717 762 2121 FAX 717 762 8624 www johnsoncontrols com frick Form 070 101 IOM 2013 01 Supersedes 070 101 IOM 2000 01 Subject to change without notice Published in USA GUI 0113 PDF 2013 Johnson Controls Inc ALL RIGHTS RESERVED ...

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