York eco YCAS Series Manual page 4

Remote Setpoint Offset – Current ......................................................................................................... 36
Power and Control Panel Layouts (Wye-Delta Typical) ......................................................................... 37
Options Panel Layout (Typical) ............................................................................................................... 38
Logic Section Layout ..............................................................................................................................39
Logic Section Layout with Control Panel Layout ..................................................................................40
Customer Connections ...........................................................................................................................41
SECTION 5 COMMISSIONING
Preparation ............................................................................................................................................. 43
Preparation – Power Off .........................................................................................................................43
First Time Start-up .................................................................................................................................45
SECTION 6 OPERATION
General Description ................................................................................................................................ 46
Start-up ....................................................................................................................................................46
Normal Running and Cycling .................................................................................................................46
Shutdown .................................................................................................................................................46
SECTION 7 TECHNICAL DATA
Flow Rate and Pressure Drop Charts .....................................................................................................47
Temperature and Flows ...........................................................................................................................50
Physical Data (English Units) .................................................................................................................52
Physical Data (SI Units) .......................................................................................................................... 53
Operating Limitations & Sound Power Data ......................................................................................... 55
Electrical Data (60 Hz) ............................................................................................................................58
Multiple Point Power Supply Connection (60 Hz) ................................................................................. 58
Optional Single-Point Power Supply Connection with Individual System Circuit Breakers (60 Hz) ..... 60
Electrical Notes (60 Hz) ..........................................................................................................................62
Power Connection Options (60 Hz) ........................................................................................................63
Electrical Data (50 Hz) ............................................................................................................................ 66
Multiple Point Power Supply Connection (50 Hz) ................................................................................. 66
Optional Single-Point Power Supply Connection with Individual System Circuit Breakers (50 Hz) ..... 66
Electrical Notes (50 Hz) ..........................................................................................................................69
Compressor Data ................................................................................................................................... 69
Fan Data ................................................................................................................................................ 69
Power Connection Options (50 Hz) ........................................................................................................ 70
Elementary Diagram ...............................................................................................................................72
Elementary Diagram – Across-the-Line Start ........................................................................................ 72
Wiring Diagrams–Across-the-Line Start and Wye-Delta Start ........................................................... 74
Standard 3 Compressor Power Supplies Wye-Delta Start .....................................................................75
Wiring Diagram – Across-the Line Start ..............................................................................................76
Standard Compressor Power Supplies – Across-the Line Start and Wye-Delta Start .........................78
Connection Diagram ............................................................................................................................ 79B
Connection Diagram – Electrical Box ....................................................................................................84
Elementary Diagram DXST Direct Drive Control Circuit ....................................................................87
Connection Diagram System Wiring – Standard and Remote Evap. Units ...........................................90
Elementary Diagram DXST Direct Drive Power Circuit ......................................................................92
Wiring Diagram –Across-the -Line Start and Wye-Delta Start ........................................................... 94
Standard 4 Compressor Power Supplies Wye-Delta Start .....................................................................95
Standard Compressor Power Supplies – Across-the-Line Start ............................................................. 96
Standard Compressor Power Supplies ......................................................................................................98
Connection Diagram Systems 1 & 2 ................................................................................................... 99B
Connection Diagram Systems 3 & 4 ................................................................................................... 102
Connection Diagram – Electrical Box ................................................................................................. 104
Elementary Diagram DXST Direct Drive Control Circuit ................................................................. 106
Connection Diagram System Wiring – Standard and Remote Evap. Units ........................................ 109
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