York E3FB090, E2FB120 installation manual Wire Sizing, Refrigerant Piping, General Guidelines

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035-15410-002-B-0404

Both the manual and auto changeover thermostats have non- adjustable, voltage-type anticipators for both cooling and heat- ing.

WIRE SIZING

REFRIGERANT PIPING

GENERAL GUIDELINES

*To determine the total circuit length, add the following distances:

1

- Outdoor Unit to Indoor Unit

____________

2

- Indoor Unit to Thermostat

____________

3

- Thermostat to Indoor Unit

____________

2

- Indoor Unit to Outdoor Unit

____________

 

Total Circuit Length

____________

 

 

 

FIG. 3 - TYPICAL FIELD WIRING

TABLE 3

 

200/230-3-60

0.94 @ 208V

208/230-1-60

 

0.84 @ 230V

 

 

 

 

460-3-60

0.86

460-1-60

 

308/415-3-50

0.86 @ 380V

380/415-1-50

 

0.79 @ 415V

 

 

 

 

208/230-3-60

0.91 @ 208V

208/230-1-60

 

0.82 @ 230V

 

 

 

 

460-3-60

0.82

460-1-60

 

380/415-3-50

0.87 @ 380V

380/415-/-50

 

0.80 @ 415V

 

 

 

1Based on three, 60°C insulated copper conductors in steel conduit. 2Based on a 3% voltage drop.

Unitary Products Group

5

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Contents Inspection SPLIT-SYSTEM Heat Pumps Outdoor Units Installation ManualGeneral Reference Table of Contents Limitations InstallationLocation Rigging and HandlingClearances Power and Control WiringCompressors Compressor Crankcase Heater General Guidelines Wire SizingRefrigerant Piping Unit Dimensions and Clearances 7-1/2 & 10 TON Line Sizing Field Piping DiagramsExtending the Service Ports InstallationService Valves Evacuating and Charging Extending the Service Ports Balance Point SettingRefrigerant Flow Diagram Charging Curve EFB120 Curve EFB090Heating Operation OperationCooling Operation Operation below 0F Outdoor Temperature Safety Features MaintenanceSTART-UP Crankcase Heater PRE-START Check