York E2FB120, E3FB090 installation manual Balance Point Setting, Extending the Service Ports

Page 10

BALANCE POINT SETTING

The heating capacity of the system at the outdoor design temperature.

The outdoor design temperature,

The building heat loss at the outdoor design temperature, and

￿￿￿￿￿￿

 

 

￿￿￿￿￿￿￿

￿￿￿￿￿￿￿

￿￿￿￿￿￿

 

 

￿￿￿￿￿￿

 

￿

 

 

￿￿￿￿￿￿

￿￿￿￿

￿￿￿￿￿￿￿

￿￿￿￿￿￿

 

￿￿￿￿￿￿￿￿￿￿￿￿￿

￿￿￿￿￿￿￿￿￿￿￿￿￿￿

 

￿￿￿￿￿￿￿

￿￿

 

 

 

 

 

 

FIG. 6 - EXTENDING THE SERVICE PORTS

10

Unitary Products Group

Image 10
Contents General Reference SPLIT-SYSTEM Heat Pumps Outdoor Units Installation ManualInspection Table of Contents Location InstallationLimitations Rigging and HandlingCompressors Compressor Crankcase Heater Power and Control WiringClearances Refrigerant Piping Wire SizingGeneral Guidelines Unit Dimensions and Clearances 7-1/2 & 10 TON Field Piping Diagrams Line SizingService Valves InstallationExtending the Service Ports Evacuating and Charging Balance Point Setting Extending the Service PortsRefrigerant Flow Diagram Curve EFB090 Charging Curve EFB120Cooling Operation OperationHeating Operation Operation below 0F Outdoor Temperature START-UP MaintenanceSafety Features Crankcase Heater PRE-START Check