Carrier 17/19EX User Manual
Safety considerations
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17/19EX
50/60 Hz
Centrifugal Liquid Chillers
with HFC-134a
Start-Up, Operation, and Maintenance Instructions
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and
without incurring obligations.
PC 211 Catalog No. 531-715
9-95
Form 17/19EX-1SS
Replaces: 19EX-1SS
Copyright © Carrier Corporation 1995
Safety Considerations
Centrifugal liquid chillers are designed to provide safe and reliable service when
operated within design specifications. When operating this equipment, use good
judgement and safety precautions to avoid damage to equipment and property or injury
to personnel.
Be sure you understand and follow the procedures and safety precautions contained
in the machine instructions as well as those listed in this guide.
®
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Table of contents
Document Outline
- Contents
- Safety Considerations
- Introduction
- Abbreviations
- 17/19EX Machine Familiarization
- Refrigeration Cycle
- Motor/Oil Refrigeration Cooling Cycle
- Hermetic Machines (19 Series) Lubrication Cycle
- Open-Drive Machines (17 Series) Lubrication Cycle
- Starters
- Controls
- Definitions
- General
- PIC System Components
- Processor Module (PSIO)
- Starter Management Module (SMM)
- Local Interface Device (LID)
- 6-Pack Relay Board
- 8-Input Modules
- Oil Heater Contactor (1C)
- Oil Pump Contactor (2C)
- Hot Gas Bypass Contactor Relay (3C) (Optional)
- Oil Auxiliary Relay (4C)
- Control Transformers (T1-T4)
- Control and Oil Heater Voltage Selector (S1)
- Oil Differential Pressure/Power Supply Module
- LID Operation and Menus
- PIC System Functions
- Safety Controls
- Default Screen Freeze
- Motor Cooling Control (Hermetic Motors Only)
- Auxiliary Oil Pump Control (Open Drive Machines Only)
- Shaft Seal Oil Control (Open Drive Machines Only)
- Ramp Loading Control
- Capacity Override
- High Discharge Temperature Control
- Oil Sump Temperature Control
- Oil Cooler
- Remote Start/Stop Controls
- Spare Safety Inputs
- Spare Alarm Contacts
- Condenser Pump Control
- Condenser Freeze Prevention
- Tower-Fan Relay
- Auto. Restart After Power Failure
- Water/Brine Reset
- Demand Limit Control, Option (Requires Optional 8-Input Module)
- Surge Prevention Algorithm
- Surge Protection
- Lead/Lag Control
- Ice Build Control
- Attach to Network Device Control
- Service Operation
- Start-Up/Shutdown/Recycle Sequence
- Before Initial Start-Up
- Job Data Required
- Equipment Required
- Using the Utility Vessel and Pumpout System
- Remove Shipping Packaging
- Open-Drive Motor Electrical Connection
- Open-Drive Motor Auxiliary Devices
- Open Oil Circuit Valves
- Torque All Gasketed Joints
- Check Machine Tightness
- Refrigerant Tracer
- Leak Test Machine
- Standing Vacuum Test
- Machine Dehydration
- Inspect Water Piping
- Check Optional Pumpout Compressor Water Piping
- Check Relief Devices
- Inspect Wiring
- Open-Drive Motor Pre-Start Checks
- Carrier Comfort Network Interface
- Check Starter
- Oil Charge
- Power Up the Controls and Check the Oil Heater
- Set Up Machine Control Configuration
- Input the Design Set Points
- Input the Local Occupied Schedule (OCCPC01S)
- Input Service Configurations
- Check Pumpout System Controls and Optional Pumpout Compressor
- High Altitude Locations
- Charge Refrigerant into Machine
- Initial Start-Up
- Preparation
- Manual Operation of the Guide Vanes
- Dry Run to Test Start-Up Sequence
- Check Rotation (Open-Drive Motor)
- Check Rotation (Hermetic Motor)
- Check Oil Pressure and Compressor Stop
- Calibrate Motor Current Demand Setting
- To Prevent Accidental Start-Up
- Hot Alignment Check for Open-Drive Machines
- Doweling for Open-Drive Machines
- Check Machine Operating Condition
- Instruct the Customer Operator
- Operating Instructions
- Pumpout and Refrigerant Transfer Procedures
- General Maintenance
- Refrigerant Properties
- Adding Refrigerant
- Removing Refrigerant
- Adjusting the Refrigerant Charge
- Refrigerant Leak Testing
- Leak Rate
- Test After Service, Repair, or Major Leak
- Repair the Leak, Retest, and Apply Standing Vacuum Test
- Checking Guide Vane Linkage
- Contact Seal Maintenance (Open-Drive Machines)
- Machine Alignment (Open-Drive Machines)
- Weekly Maintenance
- Scheduled Maintenance
- Service Ontime
- Inspect the Control Center
- Check Safety and Operating Controls Monthly
- Changing Oil Filter
- Oil Specification
- Oil Changes
- Refrigerant Filter
- Oil Reclaim Filter
- Inspect Refrigerant Float System
- Inspect Relief Valves and Piping
- Coupling Maintenance (Open-Drive Machines)
- Motor Maintenance (Open-Drive Machines)
- Open-Drive Motor Handling/Rigging
- Open-Drive Motor Storage
- Compressor Bearing and Gear Maintenance
- Inspect the Heat Exchanger Tubes
- Water Leaks
- Water Treatment
- Inspect the Starting Equipment
- Check Pressure Transducers
- Pumpout System Maintenance
- Ordering Replacement Chiller Parts
- Troubleshooting Guide
- Overview
- Checking the Display Messages
- Checking Temperature Sensors
- Checking Pressure Transducers
- Control Algorithms Checkout Procedure
- Control Test
- Control Modules
- Notes on Module Operation
- Processor Module (PSIO)
- Starter Management Module (SMM)
- Options Modules (8-Input)
- Replacing Defective Processor Modules
- 17/19EX Physical Data And Wiring Schematics
- Initial Start-Up Checklist for 17/19EX Centrifugal Liquid Chiller
- List of Tables
- LIst of Figures