![Johnson Controls D Series Installation, Operation And Maintenance Manual Download Page 29](http://html.mh-extra.com/html/johnson-controls/d-series/d-series_installation-operation-and-maintenance-manual_2023296029.webp)
Figure 14: Typical control diagram of four stage cooling/three stage heating for DSH120C,
DSV180C, DSV240C, and DSV300C
Note:
1. Unit is capable of supporting up to 3 stages of discrete heating.
2. Unit is designed to support 4 stages of discrete cooling.
3. Jumper is required for any combination of R, RC, or RH.
4. OCC is an output from the thermostat to indicate the Occupied condition.
5. X in an input to thermostat to display Error Status.
6. Jumper is required, if no options are installed between SD-24 and SD-R.
29
D-Series Vertical (DSV060C-300C) Air-Cooled Self-Contained Units, C Generation with Smart Equipment Controller
Johnson Controls