Frick RXF Plus Operation & Maintenance Manual
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Frick RXF Plus Operation & Maintenance Manual

Frick RXF Plus Operation & Maintenance Manual

Microprocessor control panel
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MICROPROCESSOR CONTROL PANEL
THIS MANUAL CONTAINS OPERATION AND MAINTENANCE
INSTRUCTIONS. READ THOROUGHLY. FAILURE TO FOLLOW
THESE INSTRUCTIONS COULD RESULT IN DAMAGE OR IM-
OPERATION - MAINTENANCE
PROPER OPERATION OF THE UNIT.
S70-401 IOM/AUG 95
ADDENDUM TO S70-400 IOM
Modified:
SEP 97
File:
SERVICE MANUAL - Section 70
Replaces:
NOTHING (New Information)
Dist:
3, 3a, 3b, 3c

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  • Page 1 S70-401 IOM/AUG 95 ADDENDUM TO S70-400 IOM Modified: SEP 97 File: SERVICE MANUAL - Section 70 Replaces: NOTHING (New Information) Dist: 3, 3a, 3b, 3c OPERATION - MAINTENANCE MICROPROCESSOR CONTROL PANEL THIS MANUAL CONTAINS OPERATION AND MAINTENANCE INSTRUCTIONS. READ THOROUGHLY. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN DAMAGE OR IM- PROPER OPERATION OF THE UNIT.

  • Page 2: Table Of Contents

    RXF PLUS MICROPROCESSOR CONTROL PANEL TABLE OF CONTENTS Page 2 Revised 2/97 TABLE OF CONTENTS RXF Plus Microprocessor Control Panel ......... 4 Keys and Key Functions ............5 Operating Displays ..............5 Annunciator Display ..............6 Shutdown Displays ..............9 Freeze Displays ...............
  • Page 3 This manual has been prepared to acquaint the owner and service person with the OPERATION and TROUBLESHOOTING procedures as recommended by Frick Company for RXF PLUS Rotary Screw Compressor Units. It should be used in conjunc- tion with the S70-400 IOM Manual.

  • Page 4: Rxf Plus Microprocessor Control Panel

    S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL OPERATION Page 4 RXF PLUS MICROPROCESSOR CONTROL PANEL ® RXFPLMIC The RXF compressor is controlled by a state-of-the-art mi- and remove all power from the outputs. This will shut down croprocessor control system. The microprocessor continu- the compressor motor and all control power (120v) to the ously monitors the compressor unit’s condition and opera-...

  • Page 5: Keys And Key Functions

    RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM OPERATION Page 5 KEYS AND KEY FUNCTIONS 1. Operating display (7 pages) 2. Annunciator display (43 possible pages) The [CHANGE] key rotates the display through the differ- 3. Setpoints display (11 pages, 3 fixed Setpoint pages) ent display screens.

  • Page 6: Annunciator Display

    S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL OPERATION Page 6 OPERATING DISPLAY, Page 3* OPERATING DISPLAY, Page 7* SUCT DISCH OIL SV=///% C.C.=+///./F ///./G AUTO-L Temp=+///./F SUCT - Suction Pressure is measured at the compressor SV - Slide valve position is displayed as a percentage. This...
  • Page 7 RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM OPERATION Page 7 play. The applicable failure displays will be individually ro- ANNUNCIATOR DISPLAY* tated through by pressing the [STEP] key. Continued press- ing of the [STEP] key will result in the applicable failure dis- ANNUNCIATOR plays repeating.
  • Page 8 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL OPERATION Page 8 ANNUNCIATOR DISPLAY* ANNUNCIATOR DISPLAY* ANNUNCIATOR ANNUNCIATOR LOW TEMP CUTOUT SENSOR LO DISCH TEMP ANNUNCIATOR DISPLAY* ANNUNCIATOR DISPLAY* ANNUNCIATOR ANNUNCIATOR SENSOR HI DISCH TEMP LOW TEMP ALARM ANNUNCIATOR DISPLAY* ANNUNCIATOR DISPLAY*...

  • Page 9: Shutdown Displays

    RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM OPERATION Page 9 LPCO - The Low Suction Pressure Cutout, reported in SHUTDOWN DISPLAYS, Top Page* pounds per square inch gauge (G) or inches of mercury ( will shut down the compressor if the suction pressure drops SHUTDOWN: USE STEP to this limit or lower, for 90 seconds or longer.
  • Page 10 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL OPERATION Page 10 OFFSET - This setpoint is the degrees F above the satura- SETPOINT DISPLAYS, Page 6* tion-point temperature where the alarm or shutdown will occur. LO SUCT STOP LD//./G LO SUCT F-UNLD //./G ACT - The function selects whether the alarm/shutdown is activated or not.

  • Page 11: Security Display

    COM SETUP=FRICK STD CODE IS [00000]. ID#=// BAUD=///// LOST OR FORGOTTEN ACCESS CODE: Consult Frick ID - The ID number is a programmable identification code used Company for assistance. in telecommunications to access a specific compressor. * Display for illustrative purposes only.

  • Page 12: Setback Display

    S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL OPERATION Page 12 (Start) TIMER - This is a time delay used to start the com- SETBACK DISPLAY, Page 1* pressor. The timer only accumulates time whenever the pres- sure rises to or above the “START” setpoint and will reset if SETBACK ACTIVE = /// the pressure drops below the “START”...

  • Page 13: Communications Display

    +/./ ///./F 1 TO 4 STEP CONDENSER CONTROL The following information pertains to the RXF PLUS micro DISCH OIL SEP TEMP with the condenser control feature option. The SETBACK feature is removed to allow for the addition of the condenser control programming.

  • Page 14: Lead Lag Option

    Selecting DISABLED will turn the lead lag control or U5 feature OFF. In a group, at least one RXF Plus must have a 3 lead lag set NOTE: Lead lag capacity control uses the pressure and of eproms installed. Further, the RXF Plus acting as the se-...
  • Page 15 Example: compressor #1 running, compressor #2 ID’d to the standard version of the RXF Plus control programs. With 00, and compressor #3 off. Should the sequence require the addition of the lead lag feature, the Setback feature was another compressor to come on line, then #2 would be removed.

  • Page 16: Microprocessor Telecommunications

    1. Communications problems 2. Optimizing control sequencing OUTLET The RXF Plus lead lag control program has a new feature that can be used to help diagnose communications prob- INLET lems. This feature may be accessed on a new display by pressing the [F1] key, then pressing the [ * ] key once.
  • Page 17 RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM OPERATION Page 17 The following is a detailed description of each command:...
  • Page 18 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL OPERATION Page 18 Modified 9/97 : must be lower case - exception to "All commands must be caps" statement at beginning of section.

  • Page 19: Troubleshooting The Rxf Plus Microprocessor

    RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM OPERATION AND MAINTENANCE Page 19 Revised 2/97 TROUBLESHOOTING THE RXF PLUS MICROPROCESSOR This section contains information on troubleshooting and making corrections to the microprocessor and control cir- cuits of the RXF unit. This section is composed of three parts: a general information section, a troubleshooting guide, and a section with illustrative schematics and data.
  • Page 20 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL MAINTENANCE Page 20 TROUBLESHOOTING FRICK SBC MICROPROCESSOR SYSTEM (Refer to Wiring Diagrams) SYMPTOM PROBABLE CAUSES and CORRECTIONS DISPLAY IS INOPERATIVE Check the 10 amp fuse (2FU) which controls all voltage going to the microprocessor.
  • Page 21 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. PRESSURES ON THE TEST 1 - Shut down the compressor and allow pressures to equalize. Discharge pressure OPERATING DISPLAY and oil pressure should have the same reading.

  • Page 22: Wiring Diagrams

    S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL MAINTENANCE Page 22 Modified 9/97 WIRING DIAGRAMS...
  • Page 23 RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM MAINTENANCE Page 23 Revised 2/97 WIRING DIAGRAMS RXFPLPN2...
  • Page 24 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL MAINTENANCE Page 24 WIRING DIAGRAMS RXFPLPN3...
  • Page 25 RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM MAINTENANCE Page 25 Revised 2/97 WIRING DIAGRAMS 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. CAPACITY CONTROL -SETPOINT RANGE: -50F.

  • Page 26: Sbc Board

    S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL MAINTENANCE Page 26 Revised 2/97 SBC BOARD POWER BATTERY 115V PORT SUPPLY FRICK REV D RXB/RDB DIGITAL INPUT DIGITAL OUTPUT S.V. MODULES MODULES FUSES FU1-FU16 SPAN ZERO C.T. ANALOG TERMS DIG I/O TERMS...

  • Page 27: P & I Diagrams

    RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM MAINTENANCE Page 27 Revised 6/96 RXF PLUS MODELS 12, 15, & 19 without OIL PUMP (See OIL COOLING ADDITIONS) PALL CV-2 PALL PAHH 1" SAE OF-1 1" XXH PIPE ADAPTER TO RESTRICT OIL...
  • Page 28 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL MAINTENANCE Page 28 Revised 6/96 RXF PLUS MODELS 12, 15, & 19 with OIL PUMP (See OIL COOLING ADDITIONS) SUCTION GAS TO COMPRESSOR PALL CV-2 PALL SUCTION VALVE SHIPPED LOOSE PAHH 1" SAE OF-1 1"...
  • Page 29 RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM MAINTENANCE Page 29 Revised 6/96 RXF PLUS MODELS 24, 30, 36, & 50 without OIL PUMP (See OIL COOLING ADDITIONS) SUCTION GAS TO THE COMPR PALL SUCTION VALVE IS SHIPPED LOOSE CV-1 PAHH...
  • Page 30 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL MAINTENANCE Page 30 Revised 6/96 RXF MODELS 24, 30, 36, & 50 with OIL PUMP (See OIL COOLING ADDITIONS) SUCTION GAS TO THE COMPR PALL SUCTION VALVE IS SHIPPED LOOSE CV-1 PAHH PALL...
  • Page 31 RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM MAINTENANCE Page 31 Revised 6/96 RXF MODELS 58, 68, 85, & 101 without OIL PUMP (See OIL COOLING ADDITIONS) PALL SUCTION GAS TO COMPR SUCTION VALVE SHIPPED LOOSE CV-1 PALL YY-3 YY-4 PAHH...
  • Page 32 S70-401 IOM RXF PLUS MICROPROCESSOR CONTROL PANEL MAINTENANCE Page 32 Revised 6/96 RXF MODELS 58, 68, 85, & 101 with OIL PUMP (See OIL COOLING ADDITIONS) PALL SUCTION GAS TO COMPR SUCTION VALVE SHIPPED LOOSE CV-1 PALL YY-3 YY-4 PAHH...

  • Page 33: Recommended Spare Parts

    RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM MAINTENANCE Page 33 Revised 6/96 RECOMMENDED SPARE PARTS * ITEM DESCRIPTION MODELS NUMBER Fuse - 10 AMP 111Q0280687 Microprocessor Cover and Keypad 640D0010H01 Gasket for 640D0010H01 649A0162H01 Display 333Q0000709 Output Module 111Q0281061 Input Module...
  • Page 34 100 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...

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