Figure 45: Setpoints Quick Reference List - York YLAA0041 Installation Operation & Maintenance

Form 150.72-ICOM6
Issue date: 12/19/2023
Table 18: Program key lmiits and details, continued
Program value
VSD fan low ambient discharge
pressure setpoint
VSD fan low ambient discharge
pressure control range
Cooling suction superheat setpoint
* The minimum discharge pressure allowed is 235 psig. The high limit for fan differential off pressure is reduced to prevent going below 235
psig based on where the fan control on pressure is programmed.

Figure 45: Setpoints Quick Reference List

Johnson Controls
Mode Low limit
360 psig
—
24.82 barg
60 psig
—
4.14 barg
5.0°F
—
(differential)
Section 7: Unit controls
High limit Default
420 psig 390 psig
28.96 barg 26.89 barg
120 psig 90 psig
8.27 barg 6.21 barg
18.0°F 10.0°F
(differential) (differential)
LD07404c
159
7