Table of Contents
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1.13 Anti-Recycle Timer ................................................................................................................ 109
1.14 Anti-Coincidence Timer ......................................................................................................... 109
1.15 Evaporator Pump Control ..................................................................................................... 109
1.16 Compressor Heater Control .................................................................................................. 109
1.17 Evaporator Heater Control .................................................................................................... 109
1.18 Pumpdown (LLSV) Control ................................................................................................... 109
1.19 Alarms ................................................................................................................................... 109
1.20 Run Status (Chiller) ................................................................................................................ 110
1.21 Lead / Lag Compressor Selection ......................................................................................... 110
1.22 3- or 4-Compressor Chiller Configuration ............................................................................. 110
2. STATUS KEY & FAULT WARNINGS ................................................................................................ 111
2.1
General ................................................................................................................................... 111
2.2
General Status Messages ...................................................................................................... 111
2.3
Unit Warnings ......................................................................................................................... 112
2.4
Anticipation Control Status Messages ................................................................................... 113
2.5
Unit Fault Status Messages ................................................................................................... 114
2.6
System Fault (Safety) Status Messages ............................................................................... 115
2.7
Printout on Fault Shutdown .................................................................................................... 118
3. DISPLAY KEYS & OPTION SWITCHES .......................................................................................... 119
3.1
General ................................................................................................................................... 119
3.2
Chilled Liquid Temperatures Key ........................................................................................... 119
3.3
System # Data Keys .............................................................................................................. 120
3.4
Ambient Temp Key ................................................................................................................ 120
3.5
Motor Current Key ................................................................................................................. 121
3.6
Operating Hours / Start Counter Key .................................................................................... 121
3.7
Options Key & Dip Switch Settings ....................................................................................... 121
3.8
Function Key ......................................................................................................................... 123
4. PRINT KEYS .................................................................................................................................... 124
4.1
General .................................................................................................................................. 124
4.2
Oper Data Key ....................................................................................................................... 124
4.3
Operating Data - Local Display Messages .......................................................................... 124
4.4
Operating Data - Remote Printout ....................................................................................... 125
4.5
History Key ............................................................................................................................ 127
4.6
Fault History Data - Local Display Messages ...................................................................... 127
4.7
Fault History Data - Remote Printout ................................................................................... 130
5. ENTRY KEYS .................................................................................................................................. 131
5.1
General .................................................................................................................................. 131
5.2
Numerical Keypad ................................................................................................................. 131
5.3
Enter Key ............................................................................................................................... 131
5.4
Cancel Key ............................................................................................................................ 131
↑ ↓ Keys ................................................................................................................................ 131
5.5
6. SETPOINTS KEYS .......................................................................................................................... 132
6.1
General .................................................................................................................................. 132
6.2
Chilled Liquid Temperature Control ...................................................................................... 132
6.3
Local Cooling Setpoints Key ................................................................................................. 134
6.4
Remote Cooling Setpoints Key ............................................................................................. 135
7. CLOCK KEYS .................................................................................................................................. 136
7.1
General .................................................................................................................................. 136
7.2
Set Time Key ......................................................................................................................... 136
7.3
Set Schedule / Holiday Key .................................................................................................. 137
7.4
Manual Override Key ............................................................................................................. 138
8. PROGRAM KEY .............................................................................................................................. 139
8.1
General .................................................................................................................................. 139
8.2
Program Key - User Programmable Values ........................................................................ 139
8.3
Programming "Default" Values .............................................................................................. 143
8.4
Condenser Fan Control ......................................................................................................... 144
4
TABLE OF CONTENTS
YORK INTERNATIONAL
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