York CodePak YK L1 L1 G4 Liquid Chiller Manuals

Manuals and User Guides for York CodePak YK L1 L1 G4 Liquid Chiller. We have 1 York CodePak YK L1 L1 G4 Liquid Chiller manual available for free PDF download: Operation Manual

York CodePak YK L1 L1 G4 Operation Manual (57 pages)

CENTRIFUGAL LIQUID CHILLERS STYLES A & B WITH MICROCOMPUTER CONTROL CENTER PART 371-01200-004 FOR ELECTRO-MECHANICAL STARTER & SOLID STATE STARTER

Brand: York | Category: Chiller | Size: 2 MB

Table of Contents
2
Nomenclature
2
Product View
3
SECTION 1 - Description of System and Fundamentals of Operation
3
SECTION 2 - Microcomputer Control Center
5
- Operation
  7
- To Display Chilled Liquid Temperatures
  8
- To Display Refrigerant Pressure
  8
- To Display Oil Pressure
  8
- To Display Options
  8
- To Initiate a Print to Printer
  9
- System Setpoints
  9
- To Display Condenser Liquid Temperatures
  9
- Chilled Liquid Temp
  9
- Pull down Demand
  10
- Daily Schedule
  10
- Remote/Reset Temp Range
  10
- SSS Motor Current/Volts
  10
- Displaying System Setpoints
  11
- To Display Chilled Liquid Temp Setpoint
  11
- To Display % Current Limit Setpoint
  11
- To Display Pull down Demand Setpoint
  11
- To Display Undervoltage Setpoints
  12
- To Display Remote Reset Temp Range Setpoint
  12
- To Display Holiday Setpoints
  12
- Programming System Setpoints
  13
- The Micromputer Control Center
  13
- To Enter Chilled Liquid Temp Setpoints
  14
- To Enter % Current Limit Setpoint
  14
- To Enter Pull down Demand Setpoint
  15
- To Enter Clock Setpoint
  15
- To Enter Daily Schedule Setpoint
  16
- To Enter Holiday Setpoint
  17
- To Enter Remote/Reset Temp Range Setpoint
  17
- Service Keys
  18
- Pre-Rotation Vanes Keys
  18
- Remove Current Limit Setpoint
  19
- Operating Modes
  19
- Display Data
  19
- Manual Oil Pump
  19
- Compressor Switch
  20
- To Change Operating Mode
  20
- To START Chiller Compressor in LOCAL Mode
  20
- To Reset Control Center
  20
- Display Messages
  21
- System Shutdown Messages
  22
- Pre-Starting
  28
SECTION 3 - System Operating Procedures
28
- Start-Up
  29
- Condenser Water Temperature Control
  30
- System Starting and Shutdown Sequence Operator Initiated
  30
- Checking Operation
  31
- Operating Log Sheet
  31
- Operating Inspections
  32
- Need for Maintenance or Service
  33
- Normal and Safety System Shutdown
  33
- Cycling Shutdowns
  33
- Stopping the System
  33
- Prolonged Shutdown
  34
- Start-Up after Prolonged Shutdown
  34
SECTION 4 – System Component Description
35
- Oil Pump
  36
- Lubrication System of Compressor
  36
- Compressor
  36
- Motor Driveline
  37
- Heat Exchanger
  37
- Refrigerant Flow Control
  37
- Oil Heater
  37
- Schematic Drawing - Compressor Lubrication System
  38
- Solid State Starter
  39
- Oil Return System
  39
- Changing the Dehydrator
  39
SECTION 5 - Operational Maintenance
39
- The Oil Charge
  40
- Troubleshooting
  41
SECTION 6 - Trouble Shooting
41
SECTION 7 - Maintenance
46
- System Pressures Table
  47
- Vacuum Testing
  48
- Vacuum Dehydration
  48
- Refrigerant Charging
  49
- Saturation Curve
  49
- Checking the Refrigerant Charge During Unit Shutdown
  50
- Megging the Motor
  50
- Motor Stator Temperature and Insulation Resistances
  51
- Condensers and Coolers
  52
- Chemical Water Treatment
  52
- Cooler
  52
- Tube Cleaning Procedures
  52
- Testing for Cooler and Condenser Tube Leaks
  53
- Pressure Testing
  55
SECTION 8 - Preventive Maintenance
55
Electrical Controls
56

York Categories

Air Conditioner Heat Pump Chiller Furnace Air Handlers

More York Manuals

York CodePak YK L1 L1 G4 Liquid Chiller Manuals

York CodePak YK L1 L1 G4 Operation Manual (57 pages)

Table of Contents

Related Products

York Categories