Frick RXB PLUS Installation Operation & Maintenance
  1. Manuals
  2. Brands
  3. Frick Manuals
  4. Air Compressor
  5. RXB PLUS
  6. Installation operation & maintenance
Frick RXB PLUS Installation Operation & Maintenance

Frick RXB PLUS Installation Operation & Maintenance

Rotary screw compressor units with microprocessor control all refrigerants
Hide thumbs Also See for RXB PLUS:
Table of Contents

Advertisement

Quick Links

Installation - Operation - Maintenance
ROTARY SCREW COMPRESSOR UNITS
MICROPROCESSOR CONTROL
ALL REFRIGERANTS
THIS MANUAL CONTAINS RIGGING, ASSEMBLY, START-UP, AND
MAINTENANCE INSTRUCTIONS. READ THOROUGHLY BEFORE
BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE IN-
STRUCTIONS COULD RESULT IN DAMAGE OR IMPROPER OPERA-
TION OF THE UNIT.
S70-101 IOM/JAN 2000
File:
Replaces:
Dist:
WITH
SERVICE MANUAL - Section 70
S70-101 IOM/APR 96
3, 3a, 3b, 3c

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RXB PLUS and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Frick RXB PLUS

Summary of Contents for Frick RXB PLUS

  • Page 1 S70-101 IOM/JAN 2000 File: SERVICE MANUAL - Section 70 Replaces: S70-101 IOM/APR 96 Dist: 3, 3a, 3b, 3c Installation - Operation - Maintenance ROTARY SCREW COMPRESSOR UNITS WITH MICROPROCESSOR CONTROL ALL REFRIGERANTS THIS MANUAL CONTAINS RIGGING, ASSEMBLY, START-UP, AND MAINTENANCE INSTRUCTIONS. READ THOROUGHLY BEFORE BEGINNING INSTALLATION.

  • Page 2: Table Of Contents

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS INSTALLATION - OPERATION - MAINTENANCE Page 2 TABLE OF CONTENTS GENERAL INFORMATION Initial Start-up Procedure ..........35 Preface ................3 Normal Start-up Procedure ..........35 Design Limitations ............3 Restarting Unit After Power Failure ......... 35 Job Inspection ..............

  • Page 3: General Information

    The unit RXB PLUS Rotary Screw Compressor Units. data plate, containing unit model, serial number, and Frick sales order number, is mounted on the side of the motor It is most important that these units be properly applied to base.

  • Page 4: Installation

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS INSTALLATION Page 4 FOUNDATION ALLOWABLE FLANGE LOADS MOMENTS (ft-lbf) LOAD (lbf) Each RXB PLUS Rotary Screw Compressor Unit is shipped NOZ. mounted on a wood skid which must be removed prior to unit SIZE AXIAL VERT. LAT.

  • Page 5: Skid Removal

    COMPRESSOR/MOTOR COUPLING INSTALLATION RXB PLUS units are arranged for direct motor drive and DRIVE COUPLING require a flexible drive coupling to connect the compressor to the motor. Before installing, perform the following: FIG.

  • Page 6: Coupling Alignment Procedure

    After final (HOT) alignment has been made and found to be satisfactory for approximately one week, the motor may be dowelled to maintain alignment. NOTE: Frick recommends cold aligning the motor .005" high. This cold misalignment compensates for thermal growth when the unit is at operating temperature.
  • Page 7 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM INSTALLATION Page 7 PARALLEL ALIGNMENT 6. To check parallel alignment, as shown in Fig. 4, reposi- tion dial indicator so the stem is in contact with the rim of the compressor hub, as shown in Fig. 5.

  • Page 8: Hot Alignment Of Compressor/Motor

    Shut down and re- there is any doubt due to the refrigerant, operating pres- check hot alignment. Repeat procedure unit hot alignment sures, or temperatures; refer to Frick Pub. E160-802 SPC is within specified tolerance. for guidance.

  • Page 9: Liquid Injection Oil Cooling

    TABLE - EVAPORATOR TEMPERATURE with SINGLE-PORT LIQUID INJECTION MAXIMUM MINIMUM * EVAPORATOR EVAP TEMP CONDENS- TEMPERATURE FOR LIQUID INJECTION SINGLE PORT TEMP USAGE (LOW Vi) R-717 R-22 R-717 & R-22 * Dual Injection Kit will be shipped by Frick below these temperatures.

  • Page 10: Water-Cooled Oil Cooling

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS Page 10 INSTALLATION Liquid line sizes and the additional receiver volume (quan- NOTE: The water regulating valve shipped with the unit tity of refrigerant required for 5 minutes of liquid injection oil will be sized to the specific flow for the unit.
  • Page 11 4. Frick recommends the installation of an angle valve in the piping before the thermosyphon oil cooler to balance the The component and piping arrangement shown below is in- thermosyphon system.

  • Page 12: Economizer - High Stage

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS INSTALLATION Page 12 ticipated in the flash economizer vessel, it may be neces- ECONOMIZER - HIGH STAGE (OPTIONAL) sary to add an outlet pressure regulator to the flash vessel outlet to avoid overpressurizing the economizer port, which The economizer option provides an increase in system ca- could result in motor overload.

  • Page 13: Electrical

    Electronic Equipment in an Industrial Environment”. desired, a motor/compressor torque analysis must be RXB PLUS units are supplied with a SBC (single-board com- done to ensure that sufficient starting torque is avail- puter) microprocessor control system. Care must be taken able, particularly in booster applications.

  • Page 14: Current Transformers (Ct) Ratios

    In addition to the starter package interlocks shown on the starter package diagram, the following optional interlocks are on the typical RXB PLUS Screw Compressor unit with the SBC Microprocessor Control System wiring diagram: 1. Remote LOAD, UNLOAD, and RUN interlocks in case the customer desires to operate the unit from a remote control device.

  • Page 15: Operation

    Page 15 OPERATION and START-UP INSTRUCTIONS GENERAL INFORMATION The Frick RXB PLUS Rotary Screw Compressor Unit is an The information in this section of the manual provides the integrated system consisting of six major subsystems: logical step-by-step instructions to properly start up and op- erate the RXB PLUS Rotary Screw Compressor Unit.

  • Page 16: Keys And Key Functions

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS Page 16 OPERATION Revised 2/95 KEYS AND KEY FUNCTIONS 1. Operating displays NOTE: The microprocessor will automatically return to 2. Setpoints displays the main operating display after 60 seconds of keybo- 3. Annunciator displays 4.
  • Page 17 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM OPERATION Page 17 pressed, automatic (AUTO MODE) when Auto Cycle has been activated, remote (RMT MODE) when the [REMOTE] SETPOINTS PAGE 1B key has been pressed, or off (OFF MODE). Dead Band--[/./#] Prop.

  • Page 18: To Change The Adjustable Setpoints

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS OPERATION Page 18 AUX 1 and AUX 2 - May be configured for either an alarm or SETPOINTS DISPLAY, Page 1B: shutdown and with either a normally closed (NC) or nor- mally open (NO) contact.
  • Page 19 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM OPERATION Page 19 Revised 8/97 The High Discharge Pressure Cutout should be set at 90% ANNUNCIATOR DISPLAY * of the setting of the lowest high side relief valve. The High Discharge Pressure Alarm should be set 10 PSIG lower than ANNUNCIATOR: PG-01 Thu 03-01-89 15:33:36 the Cutout.
  • Page 20 S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS OPERATION Page 20 Compressor Differential Cutout - The differential cutout SHUTDOWN RECORD P2 Thu 03-01-89 15:33:36 has been lowered from 55 lb to 25 lb. Cutout will occur after Temp Cutout ********************* five minutes.
  • Page 21 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM OPERATION Page 21 The [F2] function key will call up the Security display. The AUTO CYCLE DISPLAY * Security display allows the operator to either enable or dis- able the microprocessor’s keyboard and, thereby, prevent AUTO CYCLE Compressor Start - [20.0 g ]...

  • Page 22: Temperature-Pressure Control Program

    Baud-[19200] the Temperature-Pressure Control Program option has Sep Cond-Alarm-10F-no Recycle--[30] been ordered with the RXB Plus Rotary Screw Compres- sor Unit. The new setpoints provided on this display allow monitoring SETPOINTS DISPLAY, Page 1 * of compressor superheat and condensing in the separator.
  • Page 23 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM OPERATION Page 23 MIN SV - Minimum Slide Valve Position, shown as a per- TEMPERATURE-PRESSURE CONTROL centage, will limit the slide valve position to the displayed PROGRAM (OPTION) (continued) setpoint. PRESS SETPOINT - The capacity-control setpoint is used ACTIVE - Indicates whether Auto Cycle is active or not.

  • Page 24: Lead-Lag Option

    This information is either “0” or “1” and represents what is If the load rises: being sent from the other compressor. Consult Frick Com- The lag compressor will start when its “START” setpoint is pany if additional information is required.

  • Page 25: How The Microprocessor Works - Summary

    [RUN] key to start the com- - SUMMARY - pressor unit: The Frick microprocessor has 4 major components and a AT 45 variety of sensors. The major components are the SBC The microprocessor receives information that the oil...

  • Page 26: Multiple Compressor Sequencing

    The customer may supply his own mas- ter sequencer panel (usually a programmable controller) or Frick, can supply this sequencer if desired (contact Frick Company for pricing). OUTPUT NO.

  • Page 27: Microprocessor Telecommunications

    A 3.5 KOHM, 10 watt resistor (RES) must DATA CODE BIT 3 be field installed, as shown below, when OUTPUT PROGRAMMABLE CONTROL the 120 VAC outputs of the RXB PLUS are DATA CODE BIT 2 OUTPUT PROGRAMMABLE CONTROL driving 120 VAC solid state input devices DATA CODE BIT 1 such as programmable controllers.
  • Page 28 S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS OPERATION Page 28 COMPRESSOR DISPLAY SCREENS COMMAND: #01DXNN CHANGE SETPOINTS COMMAND: #01C # Start command sequence. Start command sequence. 01 Compressor ID code. Compressor ID code. D Compressor control command. Change setpoint command.
  • Page 29 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM OPERATION Page 29 READ INPUT/OUTPUT COMMAND READ FAILURES COMMAND: #01F #01X Start command sequence. Start command sequence. Compressor ID Code. Compressor ID Code. Read Failures command. Read Input/Output(s) command. Returned Answer: Returned Answer:...

  • Page 30: Rxb Compressor

    8. Shaft seal design to maintain operating pressure on seal well below discharge pressure for increased seal life. The RXB PLUS is an oil flooded screw compressor. Most of the oil discharged by the compressor separates from the 9. Oil injected into the rotors to maintain good volumetric gas flow in the oil charge reservoir.

  • Page 31: Compressor Hydraulic System

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM OPERATION Page 31 COMPRESSOR HYDRAULIC SYSTEM FUNCTIONAL CHECK OF THE COMPRESSOR VOLUME RATIO CONTROL (Vi) OPERATION The compressor hydraulic system moves the movable slide valve (MSV) to load and unload the compressor. It also 1.

  • Page 32: Compressor Oil Cooling Systems

    Page 32 COMPRESSOR OIL COOLING SYSTEMS SINGLE-PORT LIQUID INJECTION The RXB PLUS unit can be equipped with one of several The single-port liquid injection system is designed to permit systems for controlling the compressor oil temperature. They liquid refrigerant injection into one port on the compressor are single or dual-port liquid injection, thermosyphon or at any given moment and operate as outlined.

  • Page 33: Dual-Port Liquid Injection

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 33 OPERATION DUAL-PORT LIQUID INJECTION LIQUID INJECTION ADJUSTMENT PROCEDURE The dual-port liquid injection system is designed to obtain the most efficient compressor performance at high and low 1. Close vent valve (V4).

  • Page 34: Prestart Checklist

    Ammonia Units: Only refrigerant grade Ammonia as specified by International Institute of Ammonia Refrigeration (IIAR) Bulletin # 110, Section 3.3 should be used with FRICK equipment. Unit pressure test. Close suction and discharge service valves, and isolation valve to low pressure transducer.

  • Page 35: Initial Start-Up Procedure

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM OPERATION Page 35 INITIAL START-UP PROCEDURE Having performed the checkpoints on the prestart check list, the compressor unit is ready for start-up. It is important that an adequate refrigerant load be available to load test the unit at normal operating conditions.

  • Page 36: Maintenance

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS Page 36 MAINTENANCE 3. Open suction, discharge, and liquid injection service valves MAINTENANCE and remove tags. This section provides instructions for normal maintenance, 4. Compressor unit is ready for prestart checks. Refer to a recommended maintenance program, troubleshooting and PRESTART CHECKLIST.

  • Page 37: Oil Filter, Dual

    Isolate and equalize unit to atmospheric pressure (See General Instructions for Replacing Compressor Unit Com- 4. Flush the canister with clean Frick refrigeration oil; wipe ponents). dry with a clean, lint-free cloth; and replace the plug.

  • Page 38: Coalescer Filter Element

    MAINTENANCE Page 38 4. Close the service valve located between the compressor proved in writing by Frick engineering or warranty claim and the liquid injection, thermal expansion valve. may be denied. 5. Carefully loosen the capscrews securing the strainer cover Shut down the unit when changing oil.

  • Page 39: Vibration Analysis

    1. Only use Frick refrigeration oil as recommended by Frick VIBRATION ANALYSIS Company for your application. Periodic vibration analysis can be useful in detecting bear- 2.

  • Page 40: Maintenance Schedule

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 40 MAINTENANCE SCHEDULE This schedule should be followed to ensure trouble-free operation of the compressor unit. HOURS OPERATION (MAXIMUM) MAINTENANCE CHANGE OIL As directed by oil analysis OIL ANALYSIS Then every 6 months...

  • Page 41: Troubleshooting Guide

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 41 MAINTENANCE 3. Excessively high suction superheat. TROUBLESHOOTING GUIDE 4. Excessively high discharge pressure. Successful problem solving requires an organized approach to define the problem, identify the cause, and make the 5.

  • Page 42: Troubleshooting The Microprocessor

    The microproces- making corrections to the microprocessor and control cir- sor console contains the SBC (single board computer) and cuits of the RXB PLUS unit. The section is composed of one display screen. four parts: a general information section, a troubleshooting...
  • Page 43 The current transducer is used to convert the AC motor amps to a DC voltage signal for the (FORCED UNLOAD) OCCURS microprocessor. If the %FLA reading from the Operating display is incorrect, consult Frick Co. AT HIGH MOTOR AMPS PRESSURES ON THE TEST 1 - Shut down the compressor and allow pressures to equalize.
  • Page 44 S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 44 TROUBLESHOOTING FRICK SBC MICROPROCESSOR SYSTEM (Continued) SYMPTOM PROBABLE CAUSES and CORRECTIONS DISPLAY SCREENS DISPLAY A loose or improper connection between the displays and the SBC is indicated. Remove fuse SCRAMBLED PATTERN OR (2FU, 10 amp) for 15 seconds, then restore to reset the displays.

  • Page 45: Eprom Memory I/C Chip Replacement

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 45 MAINTENANCE EPROM MEMORY I/C CHIP REPLACEMENT OUTPUT FUSE REPLACEMENT Microprocessor EPROM memory I/C chips are located in- 1. Shut off control power. side the microprocessor console on the SBC board. A spe- 2.

  • Page 46: Pressure Transducers - Replacement

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS Page 46 MAINTENANCE 2. Isolate suction transducer PE-4 from the unit and open it PRESSURE TRANSDUCERS - to atmosphere using valves provided at the transducer REPLACEMENT manifold.Close the applicable transducer isolation valve.

  • Page 47: Volumizer Potentiometer - Replace/Adjust

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 47 MAINTENANCE SLIDE VALVE POSITION POTENTIOMETER BARE COMPRESSOR MOUNTING REPLACEMENT AND ADJUSTMENT The following procedure is required only when a bare com- pressor is replaced in the field. The slide valve potentiometer is located under a cover on the right side of the compressor (facing shaft) at the inlet 1.

  • Page 48: Troubleshooting The Rxb Plus: Compressor

    SYMPTOM PROBABLE CAUSES and CORRECTIONS EXCESSIVE NOISE and VIBRATION Bearing damage or excessive wear. CONTACT Frick Factor or Frick Co. Coupling loose on shaft. Tighten coupling. Replace if damaged. Misalignment between motor and compressor. Realign motor and compressor. Refrigerant flood-back. Correct system problem.

  • Page 49: Full-Time Pump Systems

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM MAINTENANCE Page 49 TROUBLESHOOTING THE OIL PUMP SYSTEM SYMPTOM PROBABLE CAUSES and CORRECTIONS 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.

  • Page 50: Thermal Expansion Valves

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 50 JORDAN TEMPERATURE REGULATOR VALVE THERMAL EXPANSION VALVES (For low differential pressure applications) In situations where system load conditions increase or de- crease over extended periods of time and the liquid injec-...

  • Page 51: Temperature Control Valve

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 51 MAINTENANCE TYPE M THERMAL EXPANSION VALVE (12 TO 34 TONS) R-22 TX VALVE SIZES R-22 TX VALVE MODE FPT CONNECTION HVE - 2-/1/2 HVE - 5-1/2 HVE - 11 HVE - 16...

  • Page 52: Wiring Diagrams

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 52 MICRO COMPONENT PLACEMENT DIAGRAM FRONT PANEL (REAR VIEW) CONTRAST POT 26 COND GREEN WIRE 12 COND CSA ONLY WARNING AVERTISSEMENT MORE THAN ONE CET EQUIPMENT LIVE CIRCUIT RENFERME PLUSIEURS SEE DIAGRAM CIRCUITS SOUS TENSION.
  • Page 53 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 53 MAINTENANCE SBC WIRING DIAGRAM RXB PLUS TELECOMMUNICATIONS COMPUTER TO MICROPROCESSOR WIRING DIAGRAM COMPUTER COMPRESSOR #1 COMPRESSOR #2 COMMUNICATIONS PORT: AC-422 PORT #1 PORT #1...
  • Page 54 POWER SOURCE -ISOLATED AND SEPARATED FROM OTHER INDUCTIVE LOADS SUCH AS LIGHTING CIRCUITS ALL NEUTRALS ENTERING -OR FROM FRICK SUPPLIED OR SPECIFIED STARTER, USE MINIMUM #12 AWG FOR FEED THIS ENCLOSURE SHALL NEUTRAL IF SEPARATE FEED FOR HEATER CIRCUIT IS DESIRED, BE TIED TOGETHER AT REMOVE JUMPERS 1 TO 1A &...
  • Page 55 MICRO PANEL ASSEMBLY WIRING DIAGRAM RXBELD2 NOTE A: IF COMPR. MOTOR STARTER IS A FRICK SUPPLIED STARTER OR CONFORMS TO FRICK STARTER SPECS, WIRE AS SHOWN ON LINE 60 ONLY. JUMP TERM 6 TO 36. IF 2CR IS USED AS A ISOLATED CONTACT, WIRE AS SHOWN BETWEEN THE HOT &...
  • Page 56 S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 56 MICRO PANEL ASSEMBLY WIRING DIAGRAM C.T. MOUNTED IN STARTER OR MOTOR JUNCT. BOX (BY OTHERS) MOTOR CHANNEL 12 0-5 AMP AC SECONDARY 0-5 AMP AC AMPS MOTOR AMPS ONE PHASE...
  • Page 57 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 57 MAINTENANCE Revised 1/97 MICRO PANEL ASSEMBLY WIRING DIAGRAM TEMPERATURE SENSOR WIRING TO BE #8760 BELDEN CABLE OR EQUAL. GROUND DRAIN WIRE AT PANEL GROUND ONLY. INSULATE AT PROBE END NOTE 2A: SPECIFICATIONS FOR TEMP .

  • Page 58: P And I Diagrams

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 58 P & I DIAGRAM, Models 12, 15, & 19 w/Full-Lube Oil Pump LEGEND (Covers P & I diagrams pages 58 – 60) See page 59 for additional notes AUTO CYCLE...
  • Page 59 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 59 MAINTENANCE P & I DIAGRAM, Models 24, 30, 39, & 50 w/Full-Lube Oil Pump SUCTION GAS TO THE COMPRESSOR LPCO SHIPPED LOOSE HPCO 1 MLC 2 MLC DTCO OIL CHARGE...
  • Page 60 S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 60 P & I DIAGRAM, All Models WATER-COOLED OIL COOLER THERMOSYPHON OIL COOLER 1" AMOT VALVE (REMOVE TEMP. TO OIL ELEMENT BEFORE WELDING, REINSTALL SEPARATOR ELEMENT W/SENSING BULB IN "A" PORT)

  • Page 61: Proper Installation Of Electronic Equipment

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM PROPER INSTALLATION OF ELECTRONIC EQUIPMENT Page 61 PROPER INSTALLATION OF ELECTRONIC EQUIPMENT IN AN INDUSTRIAL ENVIRONMENT VOLTAGE SOURCE In today’s refrigeration plants, electronic controls have found their way into almost every aspect of refrigeration control.
  • Page 62 S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS PROPER INSTALLATION OF ELECTRONIC EQUIPMENT Page 62 Never run any wires through an electronic control panel GROUNDING that do not relate to the function of the panel. Elec- tronic control panels should never be used as a junc- Grounding is the most important factor for successful op- tion box.
  • Page 63 RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM PROPER INSTALLATION OF ELECTRONIC EQUIPMENT Page 63 Never add relays, starters, timers, transformers, etc. in- PLANT SUPPLY TRANSFORMER side an electronic control panel without first contacting the manufacturer. Contact arcing and EMI emitted from 3-PHASE these devices can interfere with the electronics.

  • Page 64: Spare Parts List

    S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS MAINTENANCE Page 64 RECOMMENDED SPARE PARTS (Current Design) ITEM DESCRIPTION MODELS NUMBER Fuse - 10 AMP 111Q0280687 Shaft Seal Assy. Kit 12 – 19 111Q0043229 Shaft Seal Assy. Kit 24 – 50...

  • Page 65: Operating Log

    RXB PLUS ROTARY SCREW COMPRESSOR UNITS S70-101 IOM Page 65 OPERATING LOG SHEET...
  • Page 66 S70-101 IOM RXB PLUS ROTARY SCREW COMPRESSOR UNITS Page 66 York Refrigeration 100 CV Avenue, P.O. Box 997 Waynesboro, Pennsylvania USA 17268-0997 Phone: 717-762-2121 • Fax: 717-762-8624 Printed in U.S.A. Subject To Change Without Notice...

Table of Contents