York YCWL0056SE Installation Operation & Maintenance page 7

FORM 201.26-NM1
ISSUE DATE: 1/19/2018
Connection Types And Sizes .......................................................................................................................... 38
Cooler Connections ...............................................................................................................................38
Electrical Connection ...................................................................................................................................... 39
Remote Emergency Stop Device (QRRSB) .......................................................................................... 39
Chilled Liquid Pump (Evaporator Pump Start Contacts) ....................................................................... 39
System Run Contacts ............................................................................................................................39
Alarm Contacts ......................................................................................................................................39
Field Wiring .................................................................................................................................................... 39
Control Panel Wiring ...................................................................................................................................... 39
Flow Switch (SF) ...................................................................................................................................40
Remote Start/stop .................................................................................................................................40
Power Wiring .................................................................................................................................................. 40
Units with Single-Point Power Supply Wiring ........................................................................................ 40
Units with Multi Point Power Supply Wiring ........................................................................................... 40
Control Transformer Primary Voltage Tappings ..................................................................................... 41
Compressor Heaters ...................................................................................................................................... 41
Relief Valves ................................................................................................................................................... 41
High Pressure Cutout ..................................................................................................................................... 41
Control Wiring ................................................................................................................................................. 42
SECTION 5 - TECHNICAL DATA ..........................................................................................................................43
Operational Limitations ................................................................................................................................... 43
Voltage Limitations ................................................................................................................................44
Condenser Pressure Drop Charts .................................................................................................................. 46
Ethylene And Propolyne Glycol Correction Factors ....................................................................................... 47
Evaporator Pressure Drop .....................................................................................................................47
Physical Data - Standard And High Efficiency ................................................................................................ 48
Single Point Electrical Data ............................................................................................................................ 50
Standard Efficiency Without External Compressor Overloads .............................................................. 50
High Efficiency Without External Compressor Overloads ..................................................................... 52
Standard Efficiency With Optional External Compressor Overloads ..................................................... 54
High Efficiency With Optional External Compressor Overloads ............................................................ 56
Dual Point Electrical Data ............................................................................................................................... 58
With External Compressor Overloads ................................................................................................... 58
Dual Point Electrical Data ............................................................................................................................... 60
Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker ......... 62
Dual-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker ............ 63
Electrical Data ................................................................................................................................................ 64
Electrical Notes And Legend .......................................................................................................................... 65
Ground Wire Sizing ........................................................................................................................................ 66
Elementary Wiring Diagram ........................................................................................................................... 68
Connection Wiring Diagram ........................................................................................................................... 76
Elementary Wiring Diagram Details ............................................................................................................... 84
Unit Dimensions - Four Compressor .............................................................................................................. 90
Unit Dimensions - Five And Six Compressor ................................................................................................. 92
JOHNSON CONTROLS
TABLE OF CONTENTS (CONT'D)
7