Name: Johnson Controls YORK YVAM 0350
Brand: Johnson Controls
Rating: 5 (1 reviews)

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Form Number: 160.88-OM1 (122)

New Release

Operation and Maintenance

Issue Date: 2022-01-14

YVAM Control Center

Centrifugal Liquid Chiller with R-134a Refrigerant

Table of Contents3
General Safety Guidelines7
Safety Symbols7
Changeability of this Document8
Associated Literature8
Conditioned Based Maintenance8
Nomenclature9
System Fundamentals11
System Components11
Compressor12
Motor13
Heat Exchangers13
Evaporator13
Condenser13
Waterboxes13
Refrigerant Flow Control13
Variable Speed Drive14
Power Panel14
Optional Service Isolation Valves14
Optiview Control Center17
System Operation Description19
Capacity Control19
Anti-Surge Minimum Frequency20
Smart Freeze20
Surge Protection21
System Operating Procedures22
Pre-Starting22
Start-Up22
Chiller Operation23
Chilled Liquid Control Settings23
Temperature Control Setpoint23
Automatic Temperature Shutdown25
Automatic Temperature Restart25
Operator Setpoints Quick Reference25
Stopping the System26
Safety Stop26
Operating Logs26
Fault Shutdowns27
Performing Prolonged Shutdown27
Restart after Prolonged Shutdown27
Freeze Damage Protection27
Physical Data29
Optiview Control Center Functions and Navigation30
Display Only30
Programmable30
Access Level30
Change Setpoints30
Programming Setpoints31
Manual Controls31
Free Cursor31
Navigation31
Languages32
Analog Input Ranges32
Optiview Screens34
Home Screen34
System Screen36
Discharge Temperature36
Condenser Pressure36
Evaporator Pressure 0.036
Evaporator Screen37
Leaving Chilled Liquid Temperature 0.037
Evaporator Temperature37
Condenser Screen39
Compressor Screen40
Magnetic Bearing Controller Screen42
Magnetic Bearing Controller Details Screen44
Surge Screen46
Variable Geometry Diffuser Screen48
Power Panel Screen49
Capacity Control Screen51
Variable Speed Drive Screen53
Variable Speed Drive (VSD) Details Screen55
VSD Cooling Screen57
Motor Details Screen58
Setpoints Screen60
Remote Control Screen62
Setup Screen64
Schedule Screen66
User Screen68
Comms Screen69
Printer Screen70
Sales Order Screen71
Operations Screen72
History Screen73
History Details Screen74
Custom Screen75
Custom Setup Screen76
Trend Screen77
Trend Setup Screen79
Common Slots Screen82
Master Slot Numbers List83
Refrigerant Level 0.084
Drop Leg Refrigerant Temperature 0.084
Motor Housing Temperature86
Display Messages88
Status Messages88
Run Messages89
MBC Startup Messages90
Start Inhibit Messages90
Warning Messages90
Routine Shutdown Messages93
Cycling Shutdown Messages94
Safety Shutdown Messages101
Drive Operation111
Optispeed Compressor Drive Overview111
Optispeed Compressor Drive Features111
Smart Sensor System112
Optispeed Compressor Drive Details (0490B Amp Drive)114
Harmonic Filter Benefits114
Harmonic Filter General Information115
Optispeed Compressor Drive and Chiller Operation (0490B Amp Models)120
Maintenance121
Preventative Maintenance121
Renewal Parts122
Operating Inspections122
Weekly122
Monthly122
Semi-Annually122
Annually123
Checking System for Leaks123
Leak Testing123
Vapor Connection Locations123
System Pressure Test124
Conducting the Gas Pressure Hold Test125
Conducting the Soap Visual Gas Leak Test126
Conducting the Optional Trace Gas Leak Test127
System Evacuation128
Vacuum Dehydration128
Conducting the Dehydration Process131
Conducting the Final Evacuation131
Refrigerant Charging132
Removing the Refrigerant Charge for Service134
Checking and Trimming the Refrigerant Charge135
Checking the Refrigerant Charge During Unit Shutdown135
Compressor and Motor Maintenance135
Evaporator Maintenance136
Chemical Water Treatment136
Cleaning Evaporator Tubes137
Tube Fouling137
Tube Cleaning Procedures137
Evaporator Tube Leaks138
Testing for Evaporator Tube Leaks138
Condenser Maintenance139
Cleaning Requirements of Microchannel Heat Exchangers139
Cleaning Standard and Environment Guard MCHX Coils139
Cleaning Environment Guard Premium MCHX Coils140
Electrical Controls140
Unit Heater Operation Verification140
Testing Evaporator Waterbox Heaters WBH1 and WBH2141
Testing Evaporator Shell Heaters EVH1 and EVH2141
Testing Heat Trace for Drive Coolant HT1 and HT2141
Testing the VGD Actuator Heater Mat142
Testing the MBC Heater Mat142
Testing the Drive Internal Heater142
Testing the Optiview Control Panel Heater143
Testing the Optiview Control Panel Cooler144
Testing UPS Panel Heating145
Automatic Battery Health Test During Shutdown145
Printing147
Printing Overview147
Acceptable Printers147
OKI Data148
Brecknell149
Control Center Setup150
Downloading System Prints to a Laptop151
Unit Conversion162

Johnson Controls YORK YVAM 0350 User Manual

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Brand	Johnson Controls
Model	YORK YVAM 0350
Category	Chiller
Language	English