C O N T R O L U S E R M A N U A LPIC 5+ Control for 19 Series Centrifugal ChillerOriginal document

Carrier PIC 5+ User Manual

SAFETY CONSIDERATIONS

Operating checks, relief valves

Repair safety considerations

INTRODUCTION AND CHILLER FAMILIARISATION

Chiller technical documentation (wiring diagram, dimensional drawings, PID)

Chiller familiarization 19DV

Product identification

Refrigeration cycle

Refrigerant lubrication cycle

CONTROLS

Temperature sensors

Pressure transducers

Installation requirements

Provide machine protection

Rigging the machine components

Step 3 – Install Machine Supports

Installation of spring isolation system

Step 4 – Connection of water, vent and purge piping

Install water piping to heat exchanger

Install vent piping to relief devices

CONNECT CONTROL INPUTS

High pressure safety accessory: SRMCR – Chiller equipped with VFD LF2

VFD wiring

Carrier Comfort Network Interface (CCN)

START-UP/SHUT-DOWN/RECYCLE SEQUENCE

Lubrication control

Shutdown

BEFORE INITIAL START-UP

Remove shipping packaging

Check Chiller Tightness

Standing Vacuum Test

Inspect water piping

Check relief devices

Ground Fault Troubleshooting

Checking the Installation

Charge unit with refrigerant

Software configuration

Input the local occupied schedule

Field Set Up and Verification

Cooler and condenser pressure transducer and waterside flow device calibration

INITIAL START-UP

Check Refrigerant Lube

Surge prevention trouble shooting guide

OPERATING INSTRUCTIONS

To stop the chiller

Manual Guide Vane Operation

Chiller Idle Requirement

MAINTENANCE

Soldering and welding

Repair the Leak, Retest, and Apply Standing Vacuum Test

Trim Refrigerant Charge

Weekly maintenance

Check for Leaks / purge operation

Inspect the Control Panel

Inspect Refrigerant Float System

Inspect Safety Relief Devices and Piping

Compressor bearing maintenance

Inspect the Heat Exchanger Tubes and Flow Devices

Recalibrate Pressure Transducers

Resistance Check

Check Sensor Accuracy

Checking Pressure Transducers

High Altitude Locations

PIC 5+