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MILLENNIUM YIA-ST-1A1
York MILLENNIUM YIA-ST-1A1 Manuals
Manuals and User Guides for York MILLENNIUM YIA-ST-1A1. We have
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York MILLENNIUM YIA-ST-1A1 manual available for free PDF download: Operation Manual
York MILLENNIUM YIA-ST-1A1 Operation Manual (118 pages)
ABSORPTION LIQUID CHILLERS
Brand:
York
| Category:
Chiller
| Size: 0.91 MB
Table of Contents
Table of Contents
2
Using this Book
3
Theory of Operation
3
Overview
3
Operation
4
Erant Float Switch Shutdown
4
Leaving Chilled Water Control
9
Dilution
10
Purge
11
Unit Operation
12
Local or Remote Mode
12
Steam or Hot Water Units
12
Operation Flow Chart
12
Character Display
89
Display
89
Microcomputer Control Center Keypad
89
Displaying System Parameters
90
System Parameter Ranges
90
Control Center
89
Operation
90
No Options Installed
91
Oper Hours
91
Solution Concentration
91
Stabilizer Ref Solenoid Valve – Closed
91
Leaving Water Temp
92
Libr Concentration Calculator
92
System Setpoints
92
Clock
93
Daily Schedule
93
Load Limit
93
Pull down Demand
93
Displaying System Setpoints
94
Holiday
94
Remote Reset Temp Range
94
To Display LEAVING WATER TEMP Setpoint
94
Programming System Setpoints
95
To Display DAILY SCHEDULE Setpoints
95
To Display DATA LOGGER Setpoints
95
To Display HOLIDAY Setpoints
95
Programming the Isoflow Control Center
95
To Enter LEAVING WATER TEMP Setpoint
96
To Enter PURGE PUMP SERVICE INTERVAL Setpoint
96
To Enter CLOCK Setpoint
97
To Enter DAILY SCHEDULE Setpoint
97
To Enter PULL down DEMAND Setpoint
97
To Enter HOLIDAY Setpoint
98
To Enter REMOTE/RESET TEMP RANGE Setpoint
98
Keypad – Service Keys Location
99
Load
99
To Enter DATA LOGGER Setpoint
99
Unit Keys
99
Other Service Keys
100
System Ready to Start – Unit Holding
100
System Run – Auto Temp Control
100
System Run – Unit Holding
100
EPROM Version A.02F.01 and Earlier
101
EPROM Version A.02F.02 or Later
102
History Print
102
Service
103
Local
103
Remote
103
Operating Modes
103
To STOP the Unit
104
To RESET Control Center
104
To START Unit in LOCAL Mode
104
Unit Switch
104
Display Messages
104
System Run – Remote Load Limit
105
System Run – Primary Limited Auto-Decryst
105
System Run – Leaving Chilled Water Control
105
System Run – Pull down Limit
105
Day-Time-Rfs-Chk for Crystallization
106
System Run – Strong Solution Temp Control
106
System Run – Low Ecdwt Limit in Effect
106
System Run – Unit Loading
106
System Shutdown
107
Safety Shutdowns
107
Cycling Shutdowns
111
Warning – Low Refrigerant Temperature
112
Warning Messages
112
Dilution Interrupted – Cond Water Flow Sw
112
Dilution Cycle Interruption Messages
112
Warning – High Gen Pressure Override
113
Warning – Entering Cond Water Temp High Limit
113
Warning – Purge Pump Overloads Open
113
Warning – High Steam Supply Temperature
113
Warning – Purge Pump Service Recommended
114
Replace Rtc, U16 – Reprogram Setpoints
114
Solution Pump Motor Overloads Open
114
Absorber Pump Motor Overloads Open
114
Refrigerant Temp below Acceptable Limits
115
Unit Switch Not in Stop/Reset Position
115
Dilution Cycle Currently in Progress
115
Manual Operation in Service Mode Only
115
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