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YORK INTERNATIONAL
FORM 201.19-NM8 (804)
TABLE OF CONTENTS (CONT’D)
1.14 Anti-coincidence Timer .....................................144
1.15 Evaporator Pump Control..................................144
1.16 Compressor Heater Control...............................144
1.17 Evaporator Heater Control ................................144
1.18 Pumpdown (Eev) Control..................................144
1.19 Alarms................................................................145
1.20 Run Status (Chiller) ..........................................145
1.21 Lead / Lag Compressor Selection......................145
1.22 3 Or 4 Compressor Chiller Confi guration .........146
1.23 Economizer Solenoid Control ...........................146
2. STATUS KEY: GENERAL STATUS MESSAGES &
FAULT WARNINGS..................................................148
2.1 General ................................................................148
2.2 General Status Messages.....................................148
2.3 Unit Warnings......................................................149
2.4 Anticipation Control Status .................................150
2.5 Unit Fault Status Messages .................................151
2.6 System Fault (Safety) Status Messages...............152
2.7 Printout On Fault Shutdown................................155
3. DISPLAY KEYS & OPTION SWITCHES .............156
3.1 General ................................................................156
3.2 Chilled Liquid Temps Key ..................................156
3.3 System # Data Keys.............................................157
3.4 Ambient Temp Key..............................................157
3.5 % Motor Current Key..........................................158
3.6 Operating Hrs / Start Counter Key......................158
3.7 Options Key & Dip Switch Settings....................158
3.8 Function Key .......................................................160
4. PRINT KEYS.............................................................161
4.1 General ................................................................161
4.2 Oper Data Key.....................................................161
4.3 Operating Data – Software Version.....................163
4.4 Operating Data – Remote Printout ......................163
4.5 History Key .........................................................164
4.6 Fault History Data – Local Display Messages ....164
4.7 Fault History Data – Remote Printout.................168
5. ENTRY KEYS............................................................169
5.1 General ................................................................169
5.2 Numerical Keypad...............................................169
5.3 Enter Key.............................................................169
5.4 Cancel Key ..........................................................169
5.5 !" Keys ............................................................169
6. SETPOINTS KEYS & CHILLED LIQUID
CONTROL .................................................................170
6.1 General ................................................................170
6.2 Chilled Liquid Temperature Control ...................170
6.3 Local Cooling Setpoints Key...............................174
6.4 Remote Cooling Setpoints Key ...........................174
7. CLOCK KEYS...........................................................175
7.1 General ................................................................175
7.2 Set Time Key.......................................................175
7.3 Set Schedule / Holiday Key.................................176
7.4 Manual Override Key..........................................177
8. PROGRAM KEY.......................................................178
8.1 General ................................................................178
8.2 Program Key – High Discharge Pressure
Cut-Out................................................................178
8.3 Programming "Default" Values ...........................182
8.4 Electronic Expansion Valve.................................184
8.5 Eev Operation......................................................185
8.6 Eev Programming................................................187
8.7 Eev Troubleshooting............................................188
8.8 3 Compressor Condenser Fan Control ................189
8.9 4 Compressor Condenser Fan Control ................190
8.10 Service Mode: Unit Setup ...............................193
8.11 Control Inputs/outputs .......................................197
8.12 Sensor Calibration Charts..................................200
8.13 Isn Control.........................................................201
SECTION 9 - MAINTENANCE.......................206
GENERAL REQUIREMENTS ................................206
CONDENSER COILS.............................................206
Chiller / Compressor Operating Log.........................207
Scheduled Maintenance.............................................207
ON-BOARD BATTERY BACK-UP..........................207
OVERALL UNIT INSPECTION...............................207
COMPRESSOR UNIT OPERATION ......................207
GENERAL PERIODIC MAINTENANCE CHECKS.210
STANDARD UNITS ................................................210
SECTION 10 - SPARE PARTS ...................... 211
Recommended Spares ...............................................211
Recommended Compressor Oils...............................211
SECTION 11 - TROUBLESHOOTING
GUIDE....................................212
LIMITED WARRANTY YORK AMERICAS
ENGINEERED SYSTEMS......................................214
WARRANTY ON NEW EQUIPMENT.....................214
WARRANTY ON RECONDITIONED OR
REPLACEMENT MATERIALS ...............................214
TEMPERATURE CONVERSION CHART
ACTUAL TEMPERATURES ...................................214
TEMPERATURE CONVERSION CHART -
DIFFERENTIAL TEMPERATURES........................ 214
PRESSURE CONVERSION CHART - GAUGE OR
DIFFERENTIAL......................................................215
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