York YPAL 050 User Manual

JOHNSON CONTROLS

FORM 100.50-NOM6 (1207)

LIST OF FIGURES

FIG. 1-1 – PACKAGED ROOFTOP AIR CONDITIONING UNIT ......................................................13

FIG. 2-1 – UNIT CLEARANCES ........................................................................................................18

FIG. 2-2 – LIFTING LUG LOCATIONS ..............................................................................................19

FIG. 2-3 – UNIT RIGGING .................................................................................................................19

FIG. 2-4 – GENERAL ARRANGEMENT DRAWING .........................................................................25

FIG. 2-5 – GENERAL ARRANGEMENT DRAWING ........................................................................28

FIG. 2-6

–

DRAIN TRAP SHOWING WATER LOCATION DURING DRAW THROUGH

OPERATION STAGES ......................................................................................................32

FIG. 2-7

–

TRAP DETAIL FOR DRAW THROUGH APPLICATION ..................................................32

FIG. 2-8 – FIELD CONTROL WIRING CONNECTIONS ...................................................................36

FIG. 2-9 – SINGLE-POINT POWER SUPPLY WIRING .....................................................................38

FIG. 2-10 – SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT .........39

FIG. 2-11 – DUAL-POINT POWER SUPPLY WIRING ......................................................................40

FIG. 2-12 – ATMOSPHERIC SENSOR PROBE ................................................................................43

FIG. 2-13 – TYPICAL GAS PIPING CONNECTION ..........................................................................45

FIG. 2-14 – COMBUSTION VENT .....................................................................................................46

FIG. 3-1 – FAN HOLD DOWN BRACKETS .......................................................................................48

FIG. 3-2 – MANIFOLD GAS PRESSURE ADJUSTMENT ................................................................54

FIG. 4-1 – SHEAVE ALIGNMENT ......................................................................................................56

FIG. 4-2 – FAN DATA PLATE - BELT TENSION ...............................................................................57

FIG. 4-3 – BELT TENSIONING GAUGE ............................................................................................57

FIG. 4-4 – EXAMPLE OF FC FAN SHAFT/WHEEL MARKING ........................................................58

FIG. 4-5 – BEARING WITH SETSCREW TYPE LOCKING DEVICE ................................................60

FIG. 4-6 – BEARING WITH ECCENTRIC CAM ................................................................................60

FIG. 4-7 – ECCENTRIC CAM LOCKING COLLAR BEARING INSTALLATION ..............................61

FIG. 4-8 – SPLIT BEARING ...............................................................................................................61

FIG. 5-1 – CONDENSER FAN VFD POTENTIOMETER SETTINGS ................................................73

FIG. 6-1 – UNIT CONTROLLER INTERFACE ...................................................................................99

FIG. 8-1 – CONNECTOR LOCATIONS ...........................................................................................157