Blower speed adjustment................................................................................................................ 36
Adjusting the blower speed.................................................................................................................... 36
Start-up and operation................................................................................................................................ 38
Checking superheat and subcooling.............................................................................................. 39
Subcooling................................................................................................................................................ 39
Superheat.................................................................................................................................................. 40
Leak checking........................................................................................................................................... 40
Start-up (cooling).............................................................................................................................. 41
Prestart checklist...................................................................................................................................... 41
Operating instructions............................................................................................................................ 41
Post start checklist................................................................................................................................... 41
Microprocessor controller................................................................................................................ 41
Temperature sensors.............................................................................................................................. 41
USB port.................................................................................................................................................... 41
LCD display............................................................................................................................................... 42
Safety monitoring.................................................................................................................................... 42
Low ambient............................................................................................................................................. 42
Anti-short cycle delay (ASCD) protection.............................................................................................. 42
Fan delays................................................................................................................................................. 42
Nuisance trip protection and three strikes........................................................................................... 42
Lead-lag..................................................................................................................................................... 42
Condensate overflow switch.................................................................................................................. 42
Operation.................................................................................................................................................. 43
Maintenance and service............................................................................................................................ 45
Evaporator and condenser coils...................................................................................................... 45
Refrigerant circuits............................................................................................................................ 45
Blowers............................................................................................................................................... 45
Drive belts.......................................................................................................................................... 45
Filters................................................................................................................................................... 45
Appendices.................................................................................................................................................... 47
Appendix A: Unit dimensional drawings........................................................................................ 47
Appendix B: Typical service clearances.......................................................................................... 65
Appendix C: High voltage unit wiring schematics......................................................................... 66
Appendix D: Low voltage unit wiring schematics......................................................................... 76
Appendix E: SEC parameters for DSV units, C generation........................................................... 82
R-410A Quick reference guide.................................................................................................................... 87
Notes............................................................................................................................................................. 88
D-Series Vertical (DSV060C-300C) Air-Cooled Self-Contained Units, C Generation with Smart Equipment Controller
4
Johnson Controls
