York YPAL 051 manuals

168 pages7.59 Mb

2IMPORTANT!
- READ BEFORE PROCEEDING!
  - GENERAL SAFETY GUIDELINES
  - SAFETY SYMBOLS
  - 3CHANGEABILITY OF THIS DOCUMENT
  - NOMENCLATURE
  - 11LIST OF TABLES
  - 12LIST OF FIGURES
    - 13SECTION 1 INTRODUCTION
  - 17SECTION 2 INSTALLATION
    - 1896"
      - 20
      - TABLE 2-2 UNIT WEIGHTS - 050-061 MODELS
        Y
        339
        X
        92 A
        B C D
        Condenser Coil End
        Center of Gravity
      - TABLE 2-3 UNIT CENTER OF GRAVITY
  - 20UNIT WEIGHTS
  - 21UNIT WEIGHTS (CONTINUED)
  - 23PHYSICAL DATA
    - TABLE 2-5 PHYSICAL DATA 050-061 MODELS
    - 24
  - 24PHYSICAL DATA (CONTINUED)
    - TABLE 2-6 PHYSICAL DATA - COMPRESSORS
    - TABLE 2-5 PHYSICAL DATA - 050-061 MODELS (CONTINUED)
  - 25GENERAL ARRANGEMENT DRAWING 050-061 MODELS
    - LD08295
    - FIG. 2-4 GENERAL ARRANGEMENT DRAWING
    - BOTTOM SUPPLY / BOTTOM RETURN
      - CO = Condenser Section
      - DP = Discharge Plenum
      - FS = Supply Fan
      - CC = Cooling Coils
      - _F = Filter Segments
      - FE = Fan Exhaust
      - EE = Economizer
        REAR VIEW FRONT VIEW
      - AIRFLOW
        TOP VIEW
        SIDE VIEW (LEFT SIDE)
    - 26
  - 26GENERAL ARRANGEMENT DRAWINGS (CONTINUED)
    - 5. Economizer and exhaust hoods, where applicable are folded inside unit for shipment.
    - FRONT VIEW
    - TOP VIEW
    - AIRFLOW
      - LD08370
      - DP = Discharge Plenum
      - FS = Supply Fan
      - CC = Cooling Coils
      - _F = Filter Segments
      - FE = Fan Exhaust
      - EE = Economizer
      - FIG. 2-4 GENERAL ARRANGEMENT DRAWING (CONT.)
      - BOTTOM SUPPLY / SIDE RETURN
        CO = Condenser Section
        REAR VIEW
        SIDE VIEW (LEFT SIDE)
        NOTES:
        1. 10 clearance minimal over the top of the condensing unit.
        2. Only one adjacent wall can exceed unit height.
        3. 12 clearance required to adjacent units.
        4. 8 service access recommended on one side.
  - 27GENERAL ARRANGEMENT DRAWINGS (CONTINUED)
    - FIG. 2-4 GENERAL ARRANGEMENT DRAWING (CONT.)
    - BOTTOM SUPPLY / REAR RETURN
      - AIRFLOW
        NOTES:
    - 2828
    - CURB LAYOUT DRAWING / 050-061 MODELS
      - SUPPLY
    - FIG. 2-5 GENERAL ARRANGEMENT DRAWING
      - RETURN
  - 29ELECTRICAL DATA
  - 30ELECTRIC DATA (CONTINUED)
    - 30
    - TABLE 2-11 CONDENSER FAN MOTOR RLA - STANDARD FAN
    - TABLE 2-12 CONDENSER FAN MOTOR RLA - LOW SOUND FAN (FUTURE OPTION)
    - TABLE 2-9 SUPPLY AND EXHAUST FAN MOTOR DATA - ODP
    - TABLE 2-10 SUPPLY AND EXHAUST FAN MOTOR DATA - TEFC
    - TABLE 2-13 MISCELLANEOUS ELECTRICAL DATA
  - 31ELECTRIC DATA (CONTINUED)
    - TABLE 2-14 ELECTRIC HEAT
    - TABLE 2-15 AIRFLOW AND ENTERING AIR/AMBIENT LIMITATIONS
    - 32The unit must be properly trapped and charged with water before the units are started.
      - "H" must be at least 1 inch plus fan total static pressure "X" = 1/2 "H"
    - 33Shielded wire must be used that is grounded at the control panel only.
      - 36
      - FIG. 2-8 FIELD CONTROL WIRING CONNECTIONS
  - 36FIELD CONTROL WIRING CONNECTIONS
  - 37POWER WIRING
    - 38
  - 38SINGLE-POINT POWER SUPPLY WIRING
    - FIG. 2-9 SINGLE-POINT POWER SUPPLY WIRING
    - Field Power Supply
  - 39SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT SWITCH
    - FIG. 2-10 SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT
    - Field Power Supply
      - 40
  - 40DUAL-POINT POWER SUPPLY WIRING
    - FIG. 2-11 DUAL-POINT POWER SUPPLY WIRING
    - Supply #2
    - Supply #1
  - 41CONTROLS
    - TABLE 2-16 THREE PHASE POWER SUPPLY CONDUCTOR SIZE RANGE
  - 45GAS HEATING
  - 47SECTION 3 START-UP
    - 5252
    - TABLE 3-1 R410-A PRESSURE / TEMPERATURE CHART
    - 53
    - 54
  - 55SECTION 4 MAINTENANCE
    - 58Maintenance
    - 60Maintenance
    - 61Do not apply excessive force to the
    - ange) when installing the bearing
      - observed between the roller bearings and outer face.
      - instruction provided with the bearing.
      - When replacing split bearings, refer to manufacturers
    - it out. Check for proper en gage ment
    - After proper installation of the
      - 3. Torque screw A to full rec om mend ed value.
    - bear ing hous ing (pillow block or
      - FIG. 4-7 ECCENTRIC CAM LOCKING COL LAR BEARING INSTALLATION BEARING INSTALLATION
    - ange) when installing the bearing on the shaft.
      - Torquing of Set-screws 1. Torque screw A to 1/2 rec om mend ed torque.
      - 2. Torque screw B to full min. recommended val ue.
    - bearing(s), run the unit for 10 to 15 minutes. Shut the unit down and lock
    - of locking col lar and tight ness of set screw(s).
      - It is extremely important to ensure that proper radial clearances are
      - Failure to make proper adjustments will cause pre ma ture failure of the bearing.
        TABLE 4-2 SET SCREW TORQUE FIG. 4-8 SPLIT BEARING
  - 63SECTION 5 SEQUENCE OF OPERATION
    - 64The unit uses tandem compressors, two compressors for System 1 and two compressors for System 2.
    - 65
    - 66
    - 67
    - 69
    - 70
    - 73
    - #
      - P1 P2
    - 74
    - 75
    - 76
    - 77
    - 79
    - 81
    - 82
    - 88
    - 89
    - 90
    - 91
    - 92
    - 97
    - 98
  - 99SECTION 6 USER INTERFACE
    - - 101TABLE 6-1 - PARAMETER POINTS LIST
      - 102102
      - 103TABLE - 6-1 - PARAMETER POINTS LIST (CONT.)
      - TABLE 7-1 DEFINITIONS
  - 141SECTION 7 PARAMETER DESCRIPTIONS AND OPTIONS
  - 153SECTION 8 SERVICE
    - 157FIG. 8-1 CONNECTOR LOCATIONS
    - TABLE 8-8 WIRING DATA
    - 158158
    - 159TABLE 8-8 WIRING DATA (CONTINUED)
  - 160FAULTS AND LOCKOUTS
    - - 161TABLE 8-9 ALARM CODE DESCRIPTIONS
      - 162162
      - TABLE 8-9 ALARM CODE DESCRIPTIONS (CONTINUED)