Table Of Contents - Johnson Controls (H,Y,C)IDM012B21S Installation And Maintenance Manual

1. Introduction .....................................................................................................................................................1
2. Safety Instructions ...........................................................................................................................................1
3. Before Installation ...........................................................................................................................................7
3.1 Combination of Outdoor Unit and Indoor Unit ........................................................................................7
3.2 Transportation and Handling ..................................................................................................................7
3.3 Factory-Supplied Accessories ................................................................................................................7
3.4 Necessary Tools and Instrument List for Installation ..............................................................................7
4. Installation Location ........................................................................................................................................8
5. Installation Work .............................................................................................................................................8
5.1 Suspension Bolts ....................................................................................................................................8
5.2 Marking Positions for Suspension Bolts and Piping Connections ..........................................................9
5.3 Mounting Indoor Unit ..............................................................................................................................9
5.4 Adjusting Level of Unit ..........................................................................................................................10
5.5 Connecting the Supply Duct ................................................................................................................. 11
5.6 Setting the External Pressure ...............................................................................................................12
6. Refrigerant Piping Work ................................................................................................................................13
6.1 Piping Materials ....................................................................................................................................13
6.2 Piping Connection ................................................................................................................................14
7. Drain Piping ..................................................................................................................................................16
8. Electrical Wiring ............................................................................................................................................18
8.1 General Check .....................................................................................................................................18
8.2 Electrical Wiring Capacity .....................................................................................................................19
8.2.1 Field Minimum Wire Sizes for Power Supply ..............................................................................19
8.2.2 Details of Electrical Wiring Connection .......................................................................................19
8.3 Position of Electrical Wiring Connection ...............................................................................................21
8.4 Wiring Connection ................................................................................................................................25
8.5 DIP Switches Settings ..........................................................................................................................26
8.6 External Static Pressure Setting ...........................................................................................................27
8.7 Function Selection by Wired Controller ................................................................................................28
9. Test Run ........................................................................................................................................................29
9.1 Before Test Run ....................................................................................................................................29
9.2 Test Run ...............................................................................................................................................29
9.3 Alarm Code ..........................................................................................................................................31
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TABLE OF CONTENTS

P00792Q-rev.2