York eco YCAS Series Manual page 6

1.10
1.11
1.12
1.13
1.14
1.15
1.16
1.17
1.18
1.19
1.20
1.21
1.22
2. STATUS KEY: GENERAL STATUS MESSAGES AND FAULT WARNINGS ........................................ 183
2.1
2.2
2.3
2.4
2.5
2.6
2.7
3. DISPLAY KEYS & OPTION SWITCHES ........................................................................................... 191
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
4. PRINT KEYS
4.1
4.2
4.3
4.4
4.5
4.6
4.7
5. ENTRY KEYS
5.1
5.2
5.3
5.4
5.5
6. SETPOINTS KEYS & CHILLED LIQUID CONTROL .......................................................................... 204
6.1
6.2
6.3
6.4
6
TABLE OF CONTENTS (CONT’D)
EMS/BAS Controls ................................................................................................ 177
Microprocessor Board Layout ...............................................................................179
Logic Section Layout .............................................................................................180
Anti-Recycle Timer ................................................................................................ 181
Anti-Coincidence Timer .........................................................................................181
Evaporator Pump Control .......................................................................................181
Compressor Heater Control ....................................................................................181
Evaporator Heater Control .....................................................................................181
Pumpdown (LLSV) Control ....................................................................................181
Alarms ....................................................................................................................181
Run Status (Chiller) ................................................................................................ 182
Lead / Lag Compressor Selection ...........................................................................182
3 or 4 Compressor Chiller Configuration ................................................................ 182
General ....................................................................................................................183
General Status Messages .......................................................................................183
Unit Warnings ........................................................................................................ 184
Anticipation Control Status Messages ..................................................................185
Unit Fault Status Messages ...................................................................................186
System Fault (Safety) Status Messages ................................................................187
Printout on Fault Shutdown ...................................................................................190
General ....................................................................................................................191
Chilled Liquid Temps Key ...................................................................................... 191
System # Data Keys ............................................................................................... 192
Ambient Temp Key ................................................................................................ 192
Motor Current Key ................................................................................................. 192
Operating HRS / Start Counter Key .......................................................................193
Options Key & Dip Switch Settings ......................................................................193
Function Key ......................................................................................................... 195
............................................................................................................................... 196
General ....................................................................................................................196
Oper Data Key ........................................................................................................ 196
Operating Data – Local Display Messages ............................................................196
Operating Data – Remote Printout .........................................................................197
History Key ............................................................................................................199
Fault History Data – Local Display Messages ...................................................... 199
Fault History Data – Remote Printout ....................................................................202
............................................................................................................................... 203
General ....................................................................................................................203
Numerical Keypad ..................................................................................................203
Enter Key ...............................................................................................................203
Cancel Key ............................................................................................................. 203
á â Keys .........................................................................................................
General ....................................................................................................................204
Chilled Liquid Temperature Control .......................................................................204
Local Cooling Setpoints Key .................................................................................207
Remote Cooling Setpoints Key .............................................................................