Johnson Controls York VERSECON YSWD Series - Page 5

5
JOHNSON CONTROLS
FORM 145.05-NOM1 (708)
STATIC PRESSURE TRANSDUCER INSTALLATION (VAV UNITS ONLY) ..............................................31
Mounting Instructions .........................................................................................................................32
STATIC PRESSURE TRANSDUCER INSTALLATION (FLEXSYS UNITS ONLY) ....................................32
Installation Instructions ......................................................................................................................32
RETURN, OUTDOOR, SUPPLY AIR, AND MIXED AIR SENSORS ...........................................................33
Return Air Sensor ................................................................................................................................33
Supply Air Sensor ...............................................................................................................................33
Mixed Air Sensor .................................................................................................................................33
Outdoor Air Sensor .............................................................................................................................33
STEAM HEAT ..............................................................................................................................................33
Specification ........................................................................................................................................33
Steam Piping ........................................................................................................................................33
HOT WATER HEAT .....................................................................................................................................33
Specification ........................................................................................................................................33
Hot Water Piping ..................................................................................................................................34
ELECTRIC HEAT ........................................................................................................................................34
FILTERS ......................................................................................................................................................34
SECTION 3 – START-UP ...................................................................................................................................35
CRANKCASE HEATERS ............................................................................................................................35
PRE-STARTUP REQUIREMENTS ..............................................................................................................35
UNIT CHECKS – POWER APPLIED ..........................................................................................................36
Verifying Compressor Rotation ..........................................................................................................36
INITIAL START-UP ......................................................................................................................................36
Refrigerant Charge ..............................................................................................................................37
Subcooling ...........................................................................................................................................37
Superheat (R-22) ..................................................................................................................................37
Leak Checking .....................................................................................................................................37
SECTION 4 – MAINTENANCE ..........................................................................................................................39
GENERAL ...................................................................................................................................................39
PERIODIC MAINTENANCE – MONTHLY ...................................................................................................39
Filters ....................................................................................................................................................39
Linkages ...............................................................................................................................................39
Compressors .......................................................................................................................................39
Oil Analysis ..........................................................................................................................................39
Fan Bearing Lubrication .....................................................................................................................39
Recommended Lubricant for Fan Bearings ......................................................................................39
PERIODIC MAINTENANCE – THREE TO SIX MONTHS .............................................................................................40
Motor Bearing Lubrication ..................................................................................................................40
Belt Tension .........................................................................................................................................40
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