York E2FB120 - Manual (Page 2)

2 Unitary Products Group
035-15410-002-B-0404
E 3 F B 2 5 9 A
PRODUCT NOMENCLATURE
PRODUCT GENERATION
1 = First Generation
2 = Second Generation
3 = Third Generation
PRODUCT CATEGORY
E = Split-System Heat Pump
Outdoor Unit
PRODUCT IDENTIFIER
FB = Outdoor Unit
VOLTAGE CODE
25 = 208/230-3-60
46 = 460-3-60
50 = 380/415-3-50
NOMINAL COOLING
CAPACITY
090 = 7-1/2 Ton
120 = 10 Ton
FACTORY INSTALLED HEAT
A = Not Applicable
0 0
TABLE OF CONTENTS
GENERAL ............................................................................. 1
REFERENCE ............................................................................. 1
INSPECTION ............................................................................. 1
NOMENCLATURE ...................................................................... 2
INSTALLATION
LIMITATIONS ............................................................................. 3
LOCATION
Roof-Top Locations............................................................. 3
Ground Level Locations...................................................... 3
RIGGING AND HANDLING ........................................................ 3
CLEARANCES ........................................................................... 4
COMPRESSORS ....................................................................... 4
COMPRESSOR CRANKCASE HEATER (10 Ton Only)............. 4
POWER AND CONTROL WIRING
Power Wiring ...................................................................... 4
Control Wiring ..................................................................... 4
Wire Sizing.......................................................................... 5
REFRIGERANT PIPING
General Guidelines ............................................................. 5
Line Sizing .......................................................................... 7
Service Valves .................................................................... 8
EXTENDING THE SERVICE PORTS......................................... 8
INSTALLATION........................................................................... 8
EVACUATING AND CHARGING ................................................ 9
BALANCE POINT SETTING....................................................... 10
OPERATION
GENERAL ............................................................................. 13
SYSTEM SEQUENCE OF OPERATION
Cooling Operation............................................................... 13
Heating Operation............................................................... 13
Defrost Cycle ...................................................................... 14
Operation Below 0 °F........................................................... 14
Emergency Heat Operation ................................................ 14
START-UP
CRANKCASE HEATER (10 Ton Unit Only) ................................ 15
PRE-START CHECK .................................................................. 15
INITIAL START-UP ..................................................................... 15
SAFETY FEATURES.................................................................. 15
SECURE OWNER'S APPROVAL............................................... 15
MAINTENANCE
CLEANING ............................................................................. 15
LUBRICATION............................................................................ 15
REPLACEMENT PARTS ............................................................ 15
NOTICE TO OWNER.................................................................. 15
LIST OF FIGURES
Figure
No. Description Page
1 Center of Gravity .................................................. 3
2 Typical Rigging..................................................... 4
3 Typical Field Wiring .............................................. 5
4 Unit Dimensions & Clearances ............................ 6
5 Field Piping Diagrams (Refrigerant Flow) ............ 7
6 Extending The Service Ports................................ 10
7 Refrigerant Flow Diagram .................................... 11
8 Charging Curve EFB090 ...................................... 12
9 Charging Curve EFB120 ...................................... 12
LIST OF TABLES
Table
No. Description Page
1 Unit Application Data............................................ 3
2 Physical Data ....................................................... 4
3 Electrical Data ...................................................... 5
4 Liquid Lines .......................................................... 7
5 Vapor Lines .......................................................... 8
6 Refrigerant Line Charge....................................... 8