York YD Mod D, Operation Manual, Page: 41 / 160

Table 16: Display only fields
Field/LED name Description
Compressor 1: Discharge
temperature
Displays the temperature of the refrigerant in its gaseous state at the discharge of the
compressor #1 as it travels to the condenser.
Compressor 1: Discharge superheat Displays compressor #1 discharge superheat, calculated as (discharge temperature –
condenser saturation temperature).
Compressor 2 See the Compressor 1 explanations.
Programmable
None
Table 17: Navigation
Button Access level Description
Home View Returns to the Home screen.
Compressor 1
and 2
Service Displayed in Service access level. Displays a subscreen that allows calibration of the
proximity probe and pre-rotational vanes and viewing of parameters for compressor
#2. Also, manual control of the discharge valve and pre-rotation vanes is performed on
this screen.
Capacity control View Displays a Capacity Control Screen where the Operator can view any override
conditions that are in effect and the status of the Capacity Control Output devices.
That screen also provides access to the Capacity Cycling and Hot Gas screens.
Surge View Displays a subscreen that allows viewing and programming of the Surge Protection
feature.
Oil sump View Displays a subscreen that allows viewing of the Oil Pumps parameters and access to
the individual pump screens.
41 Model YD Mod D with OptiView Control Center