York E1FB240 - Manual (Page 2)

2 Unitary Products Group
035-16192-001-A-1001
E 1 F B 2 5 8 A
PRODUCT NOMENCLATURE
PRODUCT GENERATION
1 = First 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
NOMINAL COOLING
CAPACITY
180 = 15 Ton
240 = 20 Ton
FACTORY INSTALLED HEAT
A = Not Applicable
1 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
COMPRESSOR CRANKCASE HEATER ................................... 4
POWER AND CONTROL WIRING
Power Wiring ...................................................................... 4
Control Wiring ..................................................................... 4
REFRIGERANT PIPING
General Guidelines ............................................................. 7
Line Sizing .......................................................................... 7
Service Valves .................................................................... 7
Installation........................................................................... 7
EXTENDING THE SERVICE PORTS......................................... 9
EVACUATING AND CHARGING ................................................ 9
BALANCE POINT SETTING....................................................... 9
ALTERNATE CHARGING METHODS........................................ 10
OPERATION
GENERAL ............................................................................. 11
SYSTEM SEQUENCE OF OPERATION
Cooling Operation............................................................... 11
Heating Operation............................................................... 12
Defrost Cycle ...................................................................... 12
Operation Below 0
° F........................................................... 13
Emergency Heat Operation ................................................ 13
START-UP
CRANKCASE HEATER (10 Ton Unit Only) ................................ 14
PRE-START CHECK .................................................................. 14
INITIAL START-UP ..................................................................... 14
SAFETY FEATURES.................................................................. 14
SECURE OWNER'S APPROVAL ............................................... 14
MAINTENANCE
CLEANING ............................................................................. 14
LUBRICATION............................................................................ 14
REPLACEMENT PARTS ............................................................ 14
NOTICE TO OWNER.................................................................. 14
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 Extending The Service Ports................................ 10
6 Refrigerant Flow Diagram .................................... 11
7 Charging Curves EFB180A.................................. 15
8 Charging Curves EFB240A.................................. 15
9 Heating Mode Charging Chart At 4800 CFM ....... 16
EFB180A
10 Heating Mode Charging Chart At 6000 CFM ....... 16
EFB180A
11 Heating Mode Charging Chart At 6600 CFM ....... 17
EFB180A
12 Heating Mode Charging Chart At 6400 CFM ....... 17
EFB240A
13 Heating Mode Charging Chart At 7000 CFM ....... 18
EFB 240A
14 Heating Mode Charging Chart At 7600 CFM ....... 18
EFB 240A
LIST OF TABLES
Table
No. Description Page
1 Unit Application Data............................................ 3
2 Physical Data ....................................................... 4
3 Electrical Data ...................................................... 5
4 Suction Lines........................................................ 7
5 Liquid Lines .......................................................... 8
6 Refrigerant Line Charge....................................... 8