Intramech SWC-15-V-ECM - Table of Contents; Table of Content

Page 3 of 67
SK2013-SON-002-TechMnl-SWC-002
Table of Content
MODEL CODE NOMENCLATURE .......................................................................................................... 5
A. GENERAL DESCRIPTION ............................................................................................................... 6
B. TECHNICAL DATA ........................................................................................................................ 7
B.1. GENERAL SPECIFICATION .................................................................................................................................. 7
B.1.1. SWC–V–EC Series 3-Speed Specifications ..........................................................................................................7
B.2. COIL DATA ..................................................................................................................................................... 9
B.2.1. 2-pipe systems ...................................................................................................................................................9
B.3. PERFORMANCE TABLES .................................................................................................................................. 10
B.3.1. Cooling Capacity Tables – 2-pipe systems .......................................................................................................10
B.3.2. Heating Capacity Table – 2-pipe systems ........................................................................................................14
B.4. DIMENSIONAL DRAWINGS .............................................................................................................................. 18
B.5. VALVE INFORMATION .................................................................................................................................... 20
B.5.1. 2-Way Valve Body ............................................................................................................................................20
C. SERVICE AND INSTALLATION ..................................................................................................... 21
C.1. INSTALLATION OF HIGH-WALL UNIT ................................................................................................................. 21
C.1.1. Selecting a Location .........................................................................................................................................21
C.1.2. Mounting Plate Dimensions.............................................................................................................................22
C.1.3. Installing the Mounting Plate ..........................................................................................................................23
C.1.4. Drilling the Condensate Drainage Hole ............................................................................................................23
C.1.5. Installing the Hydronic Unit .............................................................................................................................24
C.1.6. Drainage Piping Works .....................................................................................................................................24
C.2. UNIT MAINTENANCES AND PREPARATIONS ........................................................................................................ 25
C.2.1. Opening and Closing Of Lift-Up Grille Cover ....................................................................................................25
C.2.2. Removing Front Cover Assembly .....................................................................................................................25
C.2.3. Air Purging .......................................................................................................................................................25
C.2.4. Wiring Connections..........................................................................................................................................25
C.3. PIPE CONNECTIONS WITH VALVE ..................................................................................................................... 26
D. CONTROL SPECIFICATIONS ........................................................................................................ 27
D.1. SK-NCSWC-001 COMPLETE FUNCTION FCU CONTROLLER ................................................................................. 27
D.1.1. Abbreviations ...................................................................................................................................................27
D.1.2. Definition of Input/Output ..............................................................................................................................27
D.1.3. Wiring Diagram SK-NCSWC-001 .......................................................................................................................28
D.1.4. Configuration Settings .....................................................................................................................................29
D.1.5. Control Logics For 2-Pipe System.....................................................................................................................31
D.1.6. Control Logics For 4-Pipe System.....................................................................................................................35
D.1.7. Auto Fan Speed ................................................................................................................................................38
D.1.8. Louver ..............................................................................................................................................................39
D.1.9. Buzzer ..............................................................................................................................................................39
D.1.10. Auto Restart .....................................................................................................................................................39
D.1.11. Operation Of Control Panel On High-Wall Unit ...............................................................................................40
D.2. LED LIGHTS .................................................................................................................................................. 41
D.2.1. LED Indication and Error Description ...............................................................................................................42
D.2.2. LED indication on Master/Slave connection ....................................................................................................43
D.3. NETWORKING SYSTEM ................................................................................................................................... 44
D.3.1. Master-Slave Network .....................................................................................................................................44
D.3.2. Master – Slave Network Setup ........................................................................................................................45
D.3.3. Master-Slave Communication Method ............................................................................................................48
D.3.4. Unit Network Wiring Scheme ..........................................................................................................................49
D.4. SK-NCSWC-002 LIMITED FUNCTION FCU CONTROLLER .................................................................................... 50
D.4.1. Definition of Input/Output ..............................................................................................................................50
D.4.2. Wiring diagram SK-NCSWC-002 .......................................................................................................................51
D.4.3. Onboard configuration ....................................................................................................................................52