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ROTARY SCREW COMPRESSOR UNITS

ALL REFRIGERANTS

MODELS

852, 1179, 1395

RWH

Form 070.620-IOM (DEC 2012)

INSTALLATION - OPERATION - MAINTENANCE

File:

SERVICE MANUAL - Section 70

Replaces:

NOTHING

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.

Содержание Frick 1179

Страница 1: ... 70 Replaces NOTHING 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: ...ER 39 COMPRESSOR PORT LOCATIONS 40 SAMPLE P I DIAGRAM 43 PROPER INSTALLATION OF ELECTRONIC EQUIPMENT IN AN INDUSTRIAL ENVIRONMENT 46 FORMS 51 INDEX 58 PREFACE 3 DESIGN LIMITATIONS 3 JOB INSPECTION 3 TRANSIT DAMAGE CLAIMS 3 COMPRESSOR and UNIT IDENTIFICATION 3 COMPRESSOR IDENTIFICATION 4 Installation FOUNDATION 5 RIGGING and HANDLING 6 CHECKING MOTOR COMPRESS OR ROTA TION 6 COMPRESSOR MOTOR COUPLIN...

Страница 3: ...ndensers are sized within system and compressor design limits It is recommended that the entering vapor temperature to the compressor be superheated to 10 F above the refriger ant saturation temperature This assures that all refrigerant at the compressor suction is in the vapor state DESIGN LIMITATIONS The compressor units are designed for operation within pressure and temperature limits determine...

Страница 4: ...0015Z GLOBAL ADDITIONAL PLANT DECADE MONTH YEAR SEQ NO REMARKS 1024 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 Swept Volume Drive Shaft End Rotor Max Compressor Diameter Rotor Speed Cfm m h Model mm L D Rpm ft Rev m Rev 3550 Rpm 2950 Rpm TDSH 408S 408 1 3 3 600...

Страница 5: ...ay 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 supports may be required to avoi...

Страница 6: ...or may result BP SERIES COUPLING DATA TABLE BP DISC PACK LOCKNUT HUB CLAMPING BOLTS KEYWAY SETSCREW SERIES TORQUE Lube SIZE UNF TORQUE SIZE UNF TORQUE SIZE NC SIZE FT LB NM FT LB NM FT LB NM BP 38 17 23 1 5 16 24 41 55 6 3 8 24 22 29 8 3 8 16 BP 43 40 54 2 7 16 20 41 55 6 3 8 24 22 29 8 3 8 16 BP 48 40 54 2 7 16 20 41 55 6 3 8 24 53 71 9 1 2 13 BP 53 60 81 4 1 2 20 66 89 5 7 16 20 53 71 9 1 2 13 B...

Страница 7: ...plings may be aligned at the factory but realignment MUST ALWAYS be done on the job site after the unit is securely mounted on its founda tion Initial align ment must be made prior to start up and rechecked after a few hours of operation Final HOT field alignment can only be made when the unit is at operating tempera ture After final HOT alignment has been made and found to be satisfac tory for ap...

Страница 8: ... BE USED WHEN CORRECTING FOR PAR ALLEL MISALIGNMENT TO ENSURE THAT THE AXIAL SPACING AND ANGULAR MISALIGNMENT IS NOT SIG NIFICANTLY DISTURBED 9 After the parallel height misalignment is within tolerance repeat Steps 1 through 5 until angular misalignment is within specified tolerance 10 Check parallel lateral misalignment by positioning dial indicator so the stem is in contact with the rim of the ...

Страница 9: ...t ers will be energized whenever 120 volt control power is applied to the unit and the com pressor is not run ning unless the 16 amp circuit breaker in the micro enclosure is turned off HOT ALIGNMENT OF COMPRESSOR MOTOR WARNING Hot alignments can only be made after the unit has operated for several hours and all components are at operating temperatures Shut down the unit proper lockout tagout proc...

Страница 10: ...ss than the density of the liquid in the supply line This imbalance provides a differential pressure that sustains a flow condi tion to the oil cooler This relationship involves 1 Liquid height above the cooler 2 Oil heat of rejection 3 Cooler size and piping pressure drops The liquid vapor returned from the cooler is separated in the receiver The vapor is vented to the condenser inlet and need on...

Страница 11: ...fe of the Plate and Shell heat exchanger It is important to establish regular cleaning schedules Cleaning a Plate and Shell Oil Cooler A 3 solution of Phosphoric or Oxalic Acid is recommended Other cleaning solutions can be obtained from your local distributor but they must be suitable for stainless steel The oil cooler may be cleaned in place by back flushing with recommended solution for approxi...

Страница 12: ...d a check valve VCK between the economizer ves sel and the economizer port on the compressor The strainer prevents dirt from passing into the compressor and the check valve prevents oil from flowing from the compressor unit to the econo mizer vessel during shutdown WARNING Other than the isolation valve needed for strainer clean ing it is essential that the strainer be the last device in the econo...

Страница 13: ...ngle box control mounted on the oil separator This is the ONLY electrical enclosure and it should be kept tightly closed whenever work is not being done in it VOLTAGE PROTECTION Frick does not advise nor support the use of UPS power systems in front of the Quantum LX panel With a UPS power system providing shutdown protection for the Quantum LX the panel may not see the loss of the 3 phase voltage...

Страница 14: ... ed or extremely noisy power lines are encoun tered a regulating control transformer should be considered Contact Johnson Controls Frick for assistance 5 For customer supplied across the line starters a shunt ing device must be installed across the Current Transformer terminals 3 4 WARNING If the shunting device is not installed the Analog I O board on the Quantum LX panel may be severely dam aged...

Страница 15: ...0 5 200 5 2500 700 5 600 5 500 5 400 5 300 5 300 5 200 5 200 5 3000 800 5 700 5 600 5 500 5 400 5 400 5 200 5 200 5 3500 900 5 800 5 700 5 500 5 500 5 400 5 300 5 200 5 4000 1000 5 1000 5 800 5 600 5 500 5 500 5 300 5 300 5 4500 1500 5 1200 5 800 5 800 5 600 5 600 5 300 5 300 5 5000 2000 5 1200 5 900 5 900 5 600 5 600 5 400 5 300 5 5500 2000 5 1500 5 1000 5 1000 5 700 5 700 5 400 5 300 5 6000 2000...

Страница 16: ...mponents 8 All bearing and control oil vented to closed thread in the compressor instead of suction port to avoid performance penalties from superheating suction gas 9 Shaft seal design to maintain operating pressure on seal well below discharge pressure for increased seal life 10 Oil injected into the rotors to maintain good volumetric and adiabatic efficiency even at very high compression ratios...

Страница 17: ...er differential pressure setting when necessary If the Lock Open Flag is set to True after the valve opens to 100 it will remain in this position until the compressor is turned off If the Lock Open Flag is set to False the valve will continue to modulate based on the compressor differ ential pressure COMPRESSOR HYDRAULIC SYSTEM The compressor hydraulic system moves the movable slide valve MSV to l...

Страница 18: ...o vent from port A to T with assistance from the unloader spring TO CONTROL THE RATE OF VI CHANGE THROTTLE THE NEEDLE VALVE AT SC3 PORT COMPRESSOR OIL COOLING SYSTEMS The RWH unit can be equipped with one of several systems for controlling the compressor oil tempera ture They are single or dual port liquid injection and thermo syphon air cooled or water cooled oil coolers Each system is autom ati ...

Страница 19: ...tions to set up and tune the EZ Cool LIOC with a Quantum LX Control Panel Also refer to publi cation 090 022 O Quantum LX Operation for an overview of PID control First complete calibration of the analog output used for EZ Cool LIOC Typically this will be analog output 1 for PID 1 Power down the panel and remove the two control wires for the valve from terminals 1 2 of the P11A terminal strip of a...

Страница 20: ...and extends above the Control Setpoint If the PID Action is Reverse the Proportional Band extends below the Control Setpoint Proportional Gain This value is calculated from the Proportional Band setpoint and is the same value that was entered as a Proportional Gain setpoint in the Quantum The control setpoint will not be achieved with proportional control only Integral control is needed to further...

Страница 21: ...ors be insulated as a minimum requirement to preserve the heat generated by the oil heaters It is important that the coalescer end of the separator be insulated to prevent refrigerant condensation On systems located outdoors or in unheated buildings where the ambient temperature could drop below 40 F insulating and or heat tracing of the compressor lube oil systems is highly recommended When low a...

Страница 22: ...urns required to fully open it WARNING Failure to properly adjust this valve can lead to exces sive noise and vibration of the compressor and package premature failure of the bearings liquid loading of the rotors liquid starvation of the rotors and catastrophic failure of the compressor 2 For proper and safe operation the compressor must be run at the proper speed and discharge pressure Exceeding ...

Страница 23: ...pressors are probably the most tolerant to in gestion of some refrigerant liquid of any compressor type available today they are not liquid pumps Make certain to maintain adequate superheat and properly size suction accu mulators to avoid dumping liquid refrigerant into compressor suction Keep liquid injection valves properly adjusted and in good condition to avoid flooding compressor with liquid ...

Страница 24: ...nlet service valves of the standby filter WARNING Open inlet service valve slowly to prevent a sudden pressure drop which could cause an oil filter differential alarm 2 Close outlet then inlet service valves of filter being serviced 3 Open bleed valve and purge pressure from the oil filter cartridge NOTICE Recover or transfer all refrigerant vapor in accordance with local ordinances before opening...

Страница 25: ...ged and the following applicable strainer elements be removed and cleaned NOTICE Use of filter elements other than Frick may cause war ranty claim to be denied 1 Refer to CHANGING OIL Steps 1 through 8 2 Loosen manway cover retainer bolts remove retainers manway cover and cover gasket Discard cover gasket 3 Remove and retain nut securing coalescer filter retainer 4 Remove retainer coalescer filter...

Страница 26: ...BEFORE OPENING ANY VIKING PUMP LIQUID CHAM BER PUMPING CHAMBER RESERVOIR JACKET ETC ENSURE 1 That any pressure in the chamber has been completely vented through suction or discharge lines or other ap propriate openings or connections 2 That the driving means motor turbine engine etc Has been locked out or made non operational so that it cannot be started while work is being done on the pump FAILUR...

Страница 27: ...atches on shaft in seal area will provide leakage paths under mechanical seal Use fine emery cloth to remove scratches or sharp edges PUMP ASSEMBLY Assembly Notes On Standard Mechanical Seal Synthetic Rubber Bellows Type NOTICE Read carefully before reassembling pump The seal used in this pump is simple to install and good performance will result if care is taken during installation The principle ...

Страница 28: ... tapered edge to fit tapered groove in bearing housing The tapered edge is located away from ball bearing AS AK AL Install ball bearing into bearing housing In stall lip seal in bearing housing end cap The lip should face to wards end of shaft Put bearing spacer collar in lip seal and install in bearing housing and tighten setscrews se curely See Figure 29 15 Insert brass bar or hardwood through p...

Страница 29: ...lowing may also help pinpoint the problem 1 Pump does not pump a Lost its prime air leak low level in tank b Rotating in wrong direction c Motor does not come up to speed d Suction and discharge valves not open e Strainer clogged f Relief valve set too low relief valve poppet stuck open g Pump worn out h Any changes in the liquid system or operation that would help explain the trouble e g new sour...

Страница 30: ...is losing capacity or pressure Resetting end clear ance will normally improve pump performance See Technical Service Manual on particular model series for procedure on adjusting end clear ance for the pump involved a Check bolts shim packs center inserts keys and all bolt torques b Check and torque all terminals in the processor and starter panel per the specification posted in the enclosure c Che...

Страница 31: ...y other equip ment operating in the vicinity or connected to the same piping as the unit OIL QUALITY AND ANALYSIS High quality refrigeration oil is necessary to ensure compres sor longevity and reliability Oil quality will rapidly deteriorate in refrig eration systems containing moisture and air or other contaminants In order to ensure the quality of the refrigera tion oil in the com pressor unit ...

Страница 32: ...oil temperature was the result of high suction superheat however and not just a matter of improper liquid injection adjustment increasing the liquid feed could lead to other problems Under low load conditions the liquid in jection system may have a tendency to overfeed The high suction superheat condition moreover may only be tem porary When system conditions return to normal the unit s liquid inj...

Страница 33: ...ic pressure 14 7 PSIA or 0 PSIG When checking transducers at higher elevations an allowance in the readings must be made by subtracting approximately 0 02 VDC per 1000 feet of elevation above sea level Therefore if PE 4 is measured at 5000 feet elevation under relatively normal weather conditions the output voltage should differ by 0 10 VDC to read between 1 38 VDC and 1 62 VDC 5 Isolate the oil p...

Страница 34: ... 4 Remove transmitter unit 5 Install new transmitter unit 6 Tighten cap screws 7 Apply DIN connector plug to transmitter 8 Turn on control power NOTICE For calibration instructions refer to Quantum LX Op erator s Manual 090 022 O END VIEW DIN CONNECTOR STAINLESS STEEL WELL HEAT ISOLATOR CAST ALUMINUM HOUSING COMPRESSOR UNLOAD CYLINDER SHADED AREA SHOWS CAPACITY LINEAR TRANSMITTER Figure 34 Capacit...

Страница 35: ...eliminating the need to evacuate the compressor for replacement This transmitter is dedicated to oil level control and has no user adjustments 1 Shut off control power 2 Remove DIN connector plug from transmitter 3 Loosen set screws 4 Remove transmitter unit 5 Install new transmitter unit 6 Tighten set screws 7 Apply DIN connector plug to transmitter 8 Turn on control power 6 Tighten set screws 7 ...

Страница 36: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 36 Figure 37 OIL LEVEL TRANSMITTER ...

Страница 37: ...rotation Check that service valves are open Filter cartridges may be blocked Check PSID across filters Strainer may be blocked Clean Oil pressure regulator set too low or stuck open Readjust or repair Pump worn out Repair or replace OIL PRESSURE RAPIDLY DROPS OFF WHEN COMPRESSOR STARTS RESULTS IN COMPRESSOR DIFFERENTIAL ALARM Main oil injection throttling valve too wide open or oil pressure regula...

Страница 38: ...f LED on coil If there is and it s lit valve is functioning mechanically Problem is electrical Solenoid may be actuated mechanically by inserting a piece of 3 16 rod against armature pin and pushing spool to opposite end Push A side to confirm unload capability If valve works problem is electrical SLIDE STOP WILL NOT FUNCTION EITHER DIRECTION Solenoid coils may be burned out Test and replace if ne...

Страница 39: ...d by the O ring compression which results from the clamping force generated by the tightening action The straight threads do not offer sealing action they provide the resistance holding power for service pressure 1 Inspect components to ensure that male and female port threads and sealing surfaces are free of burrs nicks and scratches or any foreign material 2 If the O ring is not pre installed to...

Страница 40: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 40 COMPRESSOR PORT LOCATIONS 408 MM A B A C C B SC 1 SC 3 SC 5 SC 7 SM 1 SC 9 SV 1 SC 9 ST 2 SC 6 ST 1 SC 10 SC 11 VIEW C C ...

Страница 41: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 41 COMPRESSOR PORT LOCATIONS 408 MM ...

Страница 42: ...1M 12 UN 2B STRAIGHT THREAD 980A0012K72 CLOSED THREAD PRESSURE SC 10 1B 12 UN 2B STRAIGHT THREAD 980A0012K71 SLIDE VALVE TOOL DISCH PRESSURE SC 11 1B 12 UN 2B STRAIGHT THREAD 980A0012K71 DRAIN DISCHARGE PRESSURE SC 12 3 4 16 UNF 2B STRAIGHT THREAD 980A0012K62 DRAIN SUCTION PRESSURE SC 13 3 4 16 UNF 2B STRAIGHT THREAD 980A0012K62 CYLINDER OIL PRESSURE SC 14 3 4 16 UNF 2B STRAIGHT THREAD 980A0012K62...

Страница 43: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 43 SAMPLE P I DIAGRAM See Legend next page NOTICE This is a sample P I Actual content will be project specific ...

Страница 44: ...E UNLOAD SC 2 SLIDE VALVE LOAD SC 3 MOVEABLE SLIDE STOP SC 4 CYLINDER DRAIN SC 5 SUCTION PRESSURE SC 6 DISCHARGE PRESSURE SC 7 OIL PRESSURE IN SB 2 SC 8 SEAL WEEPAGE SC 9 CLOSED THREAD PRESSURE SC 10 SLIDE VALVE TOOL DISCHARGE PRESSURE SC 11 DRAIN DISCHARGE PRESSURE SC 12 DRAIN SUCTION PRESSURE SC 13 CYLINDER OIL PRESSURE SC 14 CYLINDER VENT SD 1 COALESCER BLEED SUCTION PRESSURE SL 1 LIQUID INJECT...

Страница 45: ...620 IOM DEC 12 Page 45 SAMPLE P I DIAGRAM LIQUID INJECTION SINGLE PORT SAMPLE P I DIAGRAM LIQUID INJECTION DUAL PORT NOTICE This is a sample P I Actual content will be project specific NOTICE This is a sample P I Actual content will be project specific ...

Страница 46: ...n the com pressor package or a Central Control System panel NOTICE It is very important to read the installation instructions 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 elec tronic equipment should have a knowledgeable staff willing to an...

Страница 47: ...nduc tor 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 relaying of noise EMI to earth ground to avoid possible inter...

Страница 48: ...olutely nothing to protect lower voltage lines from the magnetic 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 pow...

Страница 49: ...lled terminated and the control functions have been checked A conduit entering the top of the enclosure must have a NEMA 4 hub type 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 NOTICE It is simply NEVER a good practice to enter through the top of...

Страница 50: ...shutdown 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 compres sor auxiliary 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 coup...

Страница 51: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 51 OPERATING LOG SHEET ...

Страница 52: ...tor wiring __ Confirm no high voltage wiring enters the micro panel at any point __ Check current transformer for correct sizing and instal lation __ Check all point to point wiring between the micro and motor starter __ Confirm all interconnections between micro motor starter and the system are made and are correct __ Ensure all electrical panels are free from installation debris METAL PARTICLES ...

Страница 53: ...tage_______________ Voltage Range____________ Phase______________ Hz______________ Current_____________ Output Voltage_________ Phase_________ Hz _ _______ Max FLA _ ________Max LRA ______ Min Load FLA_____ Job FLA_ _____ Logic Board Serial ___________________ U33 Prog Ver _________ Date____________P N ________________________ U34 Prog Ver _________ Date____________P N ________________________ U45...

Страница 54: ...ibit _____ PSIG _____ PSIG Off When Below _______ Force Unload _____ PSIG _____ PSIG Override Discharge Pressure ________ Warning _____ PSIG _____ PSIG Port Value ________ Warning Delay _____ Sec _____ Sec Pressure Input __________________ Shutdown _____ PSIG _____ PSIG Fixed Pressure Setpoint __________________ Shutdown Delay _____ Sec _____ Sec Maximum Discharge Pressure _______________ PSIG Hig...

Страница 55: ...Low Temp Alarm______ Delay_ ______ Shutdown_______ Delay_________ High Temp Alarm______ Delay_ ______ Shutdown_______ Delay_________ PHD Monitoring Setpoints Condenser Control Compressor Bearing _ ____________ Condenser Control Setpoint ______________ Suction End Delay Discharge End Delay Digital Controls Step Order High Warning_ ______ gF_ _____ Sec High Warning______ gF_ _____ Sec Module A _____...

Страница 56: ...ection________ RS 485 Connection________ RS 485 Connection________ Protocol _ __________ Protocol __________ Protocol _ __________ Use Map File_________ Ethernet IP Data Naming Data Protocols Address Type __________ Host Name___________ ModBus TCP_ ________ IP Address __________ Work Group__________ Ethernet I P__________ Gateway Address __________ Comments___________ Profinet_ _____________ Subne...

Страница 57: ...__________ Motor Manufacturer RAM_ _________________________________ Motor Serial Number _ _____________________________________ RPM _________ Frame Size ____________ H P ___________ Refrigerant _____________________________ Ambient Room Temperature _ ____________ F Operating Conditions Vibration Data Sheet SUCTION DISCHARGE OIL SEPARATOR Slide Valve Position Press Press Press Temp F V I Ratio Tem...

Страница 58: ... Acting Mode 17 double acting solenoid valve 18 drain valve 24 drive coupling 21 dry nitrogen 9 23 dual port liquid injection 18 dual setpoint 13 dual dip tube method 11 dual oil filters 16 DX vessel 13 E Economizer back pressure regulator valve 12 13 balancing load 12 BPR valve 12 check valve 12 DX vessel 13 economizer port 12 13 economizer vessel 12 electric shutoff option 12 13 flashing liquid ...

Страница 59: ... method 11 LICO 18 liquid feed solenoid 13 liquid injection 16 18 liquid injection oil cooling 11 liquid injection strainer 25 liquid injection system 11 liquid injection tube 11 liquid injection valves 23 liquid level 10 liquid refriger ant 18 liquid solenoid 12 25 liquid supply service valve 25 locknut 6 low pressure transducer 24 low voltage 13 lubrication system 16 M magnetic field 48 Maintena...

Страница 60: ... 16 angular contact ball bearings 16 axial loads 16 axial load bearings 16 balance pistons 16 helical rotors 16 infinitely variable volume ratio 16 movable slide valve 16 roller bearings 16 rotor contact 16 Shaft rotation 16 Single Acting Mode 17 slide valve 16 Suction flange 16 suction port 16 Volumizer 16 SGC compressor 17 Shaft rotation 16 shunting device 14 Shutdown 39 shutdowns 23 shutdown cy...

Страница 61: ...stem 37 Troubleshooting The Hydraulic System 38 Troubleshooting The Oil Separation System 38 Troubleshooting The Rwf Ii Compres sor 37 turbine drive 6 U uninterrupted power supply 50 Unit Data Plate 3 unitized flex disc 6 unloader spring 18 unshielded 48 UPS 13 50 V A4ALE Pressure Regulating Valve 21 valve HV 1 21 valve HV 2 21 vapor 10 vapor line 13 variable frequency drives 48 VFD 22 VFD Applica...

Страница 62: ...RWH ROTARY SCREW COMPRESSOR UNITS NOTES 070 620 IOM DEC 12 Page 62 ...

Страница 63: ...RWH ROTARY SCREW COMPRESSOR UNITS NOTES 070 620 IOM DEC 12 Page 63 ...

Страница 64: ... Page 64 Johnson Controls 100 CV Avenue Waynesboro PA 17268 1206 USA Phone 717 762 2121 FAX 717 762 8624 www johnsoncontrols com frick Form 070 620 IOM 2012 12 Supersedes NOTHING Subject to change without notice Published in USA GUI 12 12 PDF 2012 Johnson Controls Inc ALL RIGHTS RESERVED ...

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