19FA-2SS.Pdf

Contents List of Tables List of Figures Preface Before Initial Start-Up Job Data Required Equipment Required Using the Pumpout Unit Check Machine Tightness Standing Vacuum Test Dehydration Inspect Piping Inspect Wiring Check Starter Lubrication Contents Oil Heater Refrigerant Charging Check Safety Control Operation Check Air Supply (Pneumatic Controls only) Check Safety Control Settings Initial Start-Up Prepare Machine for Initial Start-Up Initial Start-Up Set Operating Controls — Electronic Set Operating Controls — Pneumatic Check Machine Operating Condition Trim Refrigerant Charge Contents Calibrate Optional Controls Lead-Lag Control Calibration Remote Thermostat Calibration Instruct the Customer Operator Operating Instructions Operator Duties Prepare Machine for Start-Up Start Machine Check Running System Stop Machine After Limited Shutdown Extended Shutdown After Extended Shutdown Cold Weather Operation Contents Manual Operation Refrigeration Log Pumpout Procedures Preparation Pumpout Operation Machines without Pumpout Systems Weekly Maintenance Check Lubrication System Scheduled Maintenance Inspect Control Center Check Safety Controls Inspect Starting Equipment Inspect Cooler Tubes Inspect Condenser Tubes Contents Water Treatment lnspect Refrigerant Float System Change Oil and Oil Filters Check Economizer Damper Change Refrigerant Filter or Strainer Inspect Relief Valves and Piping Compressor Bearing Maintenance Pumpout System Maintenance General Maintenance Refrigerant Properties Adding Refrigerant Removing Refrigerant Adjusting Refrigerant Charge Pressurizing the Machine Contents Refrigerant Leak Testing Standing Vacuum Test Dehydration Checking Guide Vane Linkage Sensor Test Procedure Troubleshooting Guide General Data Nameplate Location System Components Refrigeration Cycle Motor Cooling Cycle Lubrication Cycle Summary Details Contents Controls General Operating Controls Safety Controls Oil Heater and Thermostat Pumpout Controls Program Timer Machine Control Wiring Typical Machine Start Sequence, Control Design 1 Typical Machine Stop Sequence, Control Design 1 Typical Machine Start Sequence, Control Design 2 Typical Machine Stop Sequence, Control Design 2 Typical Machine Recycle Sequence, Control Designs 1 and 2 Contents Control Options General Remote Thermostat Lead-Lag Control Auxiliary Safety Indicator Panel Autostart Control Compressor Fits and Clearances Contents List of Tables Table 1 — Pressures Corresponding to 32 F Saturation Temperature Table 2 — Refrigerant Temperature vs Pressure (Saturated) Table 3 — Typical Refrigerant Charges Table 4 — Setting Safety Controls Table 5 — Compressor Fits and Clearances Contents List of Figures Figure 1 — 19FA Machine Components Figure 2 — Dehydration Cold Trap Figure 3 — 19FA Leak Test Procedures Figure 4 — Typical Wet-Bulb Type Vacuum Indicator Figure 5 — Field Connection to Pneumatic Thermostat Figure 6 — Pneumatic Connections to Guide Vane Actuator Figure 7 — Checking Compressor Rotation Figure 8 — Typical 19FA Electronic Control Centers Figure 9 — Capacity Control Module (Electronic Control) Figure 10 — Pneumatic Thermostat, Less Cover Figure 11 — Electro-Pneumatic Relay Figure 12 — Demand Limit Controller Figure 13 — Oil Cooler Water-Flow Control Contents Figure 14 — Refrigeration Log Figure 15 — Pumpout Unit Figure 16 — Pumpout System Piping Schematic Figure 17 — Removing the Oil Filter Figure 18 — Economizer Gas Line Damper Figure 19 — Pumpout Unit Controls Figure 20 — Electronic Vane Actuator Linkage Figure 21 — Pneumatic Guide Vane Actuator and Linkage Adjustment Figure 22 — Bearing and Motor Sensor Resistance vs Temperature Figure 23 — Chilled Water Probe Resistance vs Temperature Figure 24 — 19FA Refrigeration Cycle Figure 25 — 19FA Lubrication Cycle Figure 26 — 19FA Control Center Variations Figure 27 — Oil Heater Wiring Schematic Contents Figure 28 — Pumpout Unit Wiring Schematic Figure 29 — Program Timer Sequence (Control Design 1) Figure 30 — Program Timer Sequence (Control Design 2) Figure 31 — 19FA Control Design 1 Wiring Schematic Figure 32 — 19FA Control Design 2 Wiring Schematic Figure 33 — Autostart Connection Diagram (Typical) Figure 34 — Compressor Fits and Clearances .

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