Johnson Controls 050, Installation Operation & Maintenance

Page: 12 / 166

JOHNSON CONTROLS
12
FORM 100.50-NOM6
ISSUE DATE: 8/07/2017
LIST OF FIGURES
FIGURE 1 - Packaged Rooftop Air Conditioning Unit .............................................................................................13
FIGURE 2 - Unit Clearances ...................................................................................................................................18
FIGURE 3 - Lifting Lug Locations ............................................................................................................................20
FIGURE 4 - Location and Dimension Drawing / 050-061 Models, Bottom Supply / Bottom Return,
Standard Cabinet .................................................................................................................................28
FIGURE 5 - Location and Dimension Drawing / 050-061 Models, Bottom Supply / Side Return,
Standard Cabinet .................................................................................................................................29
FIGURE 6 - Location and Dimension Drawing / 050-061 Models, Side Supply / Rear Return,
Standard Cabinet .................................................................................................................................30
FIGURE 7 - Location and Dimension Drawing, / 050-061 Models, Bottom Supply / Bottom Return,
Extended Cabinet ................................................................................................................................31
FIGURE 8 - Location and Dimension Drawing / 050-061 Models, Bottom Supply / Side Return,
Extended Cabinet ................................................................................................................................32
FIGURE 9 - Location and Dimension Drawing / 050-061 Models, Side Supply / Rear Return,
Extended Cabinet ................................................................................................................................33
FIGURE 10 - Curb Layout Drawing / 050-061 Models, Standard and Extended Cabinet .......................................34
FIGURE 11 - Drain Trap Showing Water Location During Draw Through Operation Stages ..................................37
FIGURE 12 - Trap Detail For Draw Through Application .........................................................................................38
FIGURE 13 - Wiring Connections............................................................................................................................41
FIGURE 14 - Single-Point Power Supply Wiring .....................................................................................................43
FIGURE 15 - Single-Point Power Supply Wiring With Non-Fused Disconnect .......................................................44
FIGURE 16 - Dual-Point Power Supply Wiring........................................................................................................45
FIGURE 17 - Atmospheric Sensor Probe ................................................................................................................47
FIGURE 18 - Discharge and Return Air Openings ..................................................................................................48
FIGURE 19 - Typical Gas Piping Connection ..........................................................................................................49
FIGURE 20 - Combustion Vent ...............................................................................................................................50
FIGURE 21 - Fan Hold Down Brackets ...................................................................................................................52
FIGURE 22 - Manifold Gas Pressure Adjustment ...................................................................................................57
FIGURE 23 - Sheave Alignment ..............................................................................................................................60
FIGURE 24 - Fan Data Plate - Belt Tension ............................................................................................................61
FIGURE 25 - Belt Tensioning Gauge .......................................................................................................................61
FIGURE 26 - Example Of FC Fan Shaft/Wheel Marking.........................................................................................61
FIGURE 27 - Bearing With Setscrew Type Locking Device ....................................................................................63
FIGURE 28 - Bearing With Eccentric Cam ..............................................................................................................63
FIGURE 29 - Eccentric Cam Locking Collar Bearing Installation ............................................................................64
FIGURE 30 - Split Bearing ......................................................................................................................................65
FIGURE 31 - Condenser Fan VFD Potentiometer Settings ....................................................................................77
FIGURE 32 - Unit Controller Interface ...................................................................................................................101
FIGURE 33 - Connector Locations ........................................................................................................................155