York YVAA - Page 6

JOHNSON CONTROLS
6
FORM 201.28-NM1.1
ISSUE DATE: 1/31/2018
TABLE OF CONTENTS (CONT'D)
SECTION 4 - INSTALLATION ................................................................................................................................37
Location Requirements ..................................................................................................................................37
Outdoor Installations ......................................................................................................................................37
Location Clearances .......................................................................................................................................37
Recommended Minimum Clearances ...................................................................................................38
Vibration Isolators ...........................................................................................................................................39
Installation .............................................................................................................................................39
Shipping Braces .............................................................................................................................................39
Chilled Liquid Piping ....................................................................................................................................... 39
General Requirements ..........................................................................................................................39
Evaporator Pressure Drop ..............................................................................................................................40
Water Treatment .............................................................................................................................................41
Pipework Arrangement ...................................................................................................................................41
Minimum Water Volume .................................................................................................................................42
Leaving Water Temperature Out of Range ..................................................................................................... 42
Thermal Storage .............................................................................................................................................43
Variable Primary Flow ....................................................................................................................................43
Connection Types and Sizes .......................................................................................................................... 43
Evaporator Connections ................................................................................................................................. 43
Option Flanges ......................................................................................................................................45
Refrigerant Relief Valve Piping .......................................................................................................................45
Electrical Connection ......................................................................................................................................45
Power Wiring ..................................................................................................................................................46
Power Supply Wiring ......................................................................................................................................46
115VAC Control Supply Transformer ..............................................................................................................46
Control Wiring .................................................................................................................................................46
Volts Free Contacts ........................................................................................................................................47
Chilled Liquid Pump Starter ...................................................................................................................47
Run Contact ..........................................................................................................................................47
Alarm Contacts ...................................................................................................................................... 47
System Inputs .................................................................................................................................................47
Flow Switch ...........................................................................................................................................47
Remote Run / Stop ................................................................................................................................ 47
Remote Print .........................................................................................................................................47
Optional Remote Setpoint Offset – Temperature...................................................................................47
Optional Remote Setpoint Offset – Current ...........................................................................................47
Optional Remote Setpoint Offset – Sound Limiting ............................................................................... 47
Power Supply Wiring ......................................................................................................................................48
Single Point Wiring ................................................................................................................................48
Voltage Utilization Range ......................................................................................................................48
Dual Point Wiring ...................................................................................................................................49
Customer Control Wiring ................................................................................................................................50
SECTION 5 - TECHNICAL DATA ...........................................................................................................................63
Nomenclature .................................................................................................................................................63
Elastomeric Isolator Installation ......................................................................................................................90
Elastomeric Isolator Specifications .................................................................................................................91
One Inch Deflection Isolator Installation ......................................................................................................... 92
One Inch Deflection Spring Isolator Specifications ........................................................................................93
CPX-xx-xxx ............................................................................................................................................93