ii
P01432Q-rev.1
TABLE OF CONTENTS
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 ................................................................................................................8
3.4 Necessary Tools and Instrument List for Installation ..............................................................................8
4. Installation Location ........................................................................................................................................9
5. Installation Work .............................................................................................................................................9
5.1 Suspension Bolts ....................................................................................................................................9
5.2 Suspension Bolts and Piping Connections ...........................................................................................10
5.3 Mounting Indoor Unit ............................................................................................................................10
5.4 Adjusting of Unit Level ..........................................................................................................................11
5.5 Connecting Supply Duct .......................................................................................................................12
5.6 Setting of External Pressure .................................................................................................................12
5.7 Installation of Auxiliary Heater (Field-Supplied) ...................................................................................13
5.7.1 Selection of Auxiliary Heater .......................................................................................................14
5.7.2 Auxiliary Heater Connection .......................................................................................................15
5.7.3 Setting for Auxiliary Heater ........................................................................................................15
6. Refrigerant Piping Work ................................................................................................................................16
6.1 Piping Materials ....................................................................................................................................16
6.2 Piping Connection ................................................................................................................................17
7. Condensate Piping ........................................................................................................................................19
8. Electrical Wiring ............................................................................................................................................21
8.1 General Check .....................................................................................................................................21
8.2 Electrical Wiring Capacity .....................................................................................................................22
8.2.1 Field Minimum Wire Sizes for Power Supply ..............................................................................22
8.2.2 Details of Electrical Wiring Connection .......................................................................................22
8.3 Position of Electrical Wiring Connection ...............................................................................................24
8.4 Wiring Connection ................................................................................................................................28
8.5 DIP Switch Settings ..............................................................................................................................30
8.6 Selecting Static Pressure with Electrical Wiring Connection ................................................................31
8.7 Function Selection by Wired Controller ................................................................................................32
8.8 Setback Operation ................................................................................................................................34
9. Test Run ........................................................................................................................................................35
9.1 Before Test Run ....................................................................................................................................35
9.2 Test Run ...............................................................................................................................................35
9.3 Alarm Code ..........................................................................................................................................37
10. Fan Performance Curves ..............................................................................................................................38
