York IDH072B21S Series Installation And Maintenance Manual

York IDH072B21S Series Installation And Maintenance Manual Manual pdf 4 page image

ii P01432Q-rev.1TABLE OF CONTENTS1. Introduction .....................................................................................................................................................12. Safety Instructions ..........................................................................................................................................13. Before Installation ...........................................................................................................................................73.1 Combination of Outdoor Unit and Indoor Unit ........................................................................................73.2 Transportation and Handling ..................................................................................................................73.3 Factory-Supplied Accessories ................................................................................................................83.4 Necessary Tools and Instrument List for Installation ..............................................................................84. Installation Location ........................................................................................................................................95. Installation Work .............................................................................................................................................95.1 Suspension Bolts....................................................................................................................................95.2 Suspension Bolts and Piping Connections...........................................................................................105.3 Mounting Indoor Unit ............................................................................................................................105.4 Adjusting of Unit Level.......................................................................................................................... 115.5 Connecting Supply Duct .......................................................................................................................125.6 Setting of External Pressure.................................................................................................................125.7 Installation of Auxiliary Heater (Field-Supplied) ...................................................................................135.7.1 Selection of Auxiliary Heater .......................................................................................................145.7.2 Auxiliary Heater Connection .......................................................................................................155.7.3 Setting for Auxiliary Heater ........................................................................................................156. Refrigerant Piping Work ................................................................................................................................166.1 Piping Materials ....................................................................................................................................166.2 Piping Connection ................................................................................................................................177. Condensate Piping........................................................................................................................................198. Electrical Wiring ............................................................................................................................................218.1 General Check .....................................................................................................................................218.2 Electrical Wiring Capacity.....................................................................................................................228.2.1 Field Minimum Wire Sizes for Power Supply ..............................................................................228.2.2 Details of Electrical Wiring Connection .......................................................................................228.3 Position of Electrical Wiring Connection...............................................................................................248.4 Wiring Connection ................................................................................................................................288.5 DIP Switch Settings ..............................................................................................................................308.6 Selecting Static Pressure with Electrical Wiring Connection ................................................................318.7 Function Selection by Wired Controller ................................................................................................328.8 Setback Operation................................................................................................................................349. Test Run ........................................................................................................................................................359.1 Before Test Run ....................................................................................................................................359.2 Test Run ...............................................................................................................................................359.3 Alarm Code ..........................................................................................................................................3710. Fan Performance Curves ..............................................................................................................................38