York B2CH180 User Manuals

Table of Contents

• General

  1
• Inspection

  1
• Normal Maintenance

  15
• Reference

  1
• Nomenclature

  2
• Unit Application Data

  3
• 2 Electric Heat Application Data

  5
• Limitations

  3
• Physical Data

  7
• Location

  3
• Supply Air Blower Performance

  10
• Rigging and Handling

  3
• Static Resistances

  11
• Clearances

  3
• Blower Motor and Drive Data

  11
• Ductwork

  3
• Electrical Data (Basic Units)

  11
• Fixed Outdoor Air Intake Damper

  4
• Electrical Data (Units w/Elec. Heat)

  11
• Condensate Drain

  4
• Heat Anticipator Setpoints

  13
• Compressors

  4
• Blower Motor Pulley Adjustment

  13
• Filters

  4
• Service Access

  4
• Thermostat

  4
• Typical Rigging

  3
• Power and Control Wiring

  5
• Center of Gravity

  3
• Optional Electric Heaters

  5
• Fixed Outdoor Air Damper

  4
• Optional Econ./Motorized Damper Rain Hood

  6
• Recommended Drain Piping

  4
• Typical Field Wiring

  5
• Cooling System

  12
• Enthalpy Setpoint Adjustment

  7
• Preliminary Operation

  12
• Dimensions and Clearances

  8
• Cooling Sequence of Operation

  12
• Belt Adjustment

  13
• Heating Sequence of Operation

  12
• Pressure Drop versus Supply Airflow

  13
• Heat Anticipator Setpoint

  13
• Defrost Initiation Times

  14
• Checking Supply Airflow

  13
• Ambient Modified Time/Temp. Control

  15
• Defrost Sequence of Operation

  14
• Secure Owner's Approval

  15