Head pressure control screen
Figure 30: Head pressure control screen
This screen displays all parameters related to the Head Pressure Control feature. It also allows for
setting of the setpoints applicable to this feature.
If equipped with this optional feature, it must be enabled on the SETUP Screen. Once enabled, this
screen is accessible from the CONDENSER Screen.
Head Pressure Control cannot be used simultaneously with Heat Pump Duty. When Heat Pump
Duty is enabled, Head Pressure Control is automatically disabled and locked.
The condenser water flow animation will show flow when the Condenser Liquid Flow Switch senses
flow is present.
A complete explanation of the Head Pressure Control feature is contained in
OptiView Control Center
– Service Instructions (Form 160.76-M1)
.
Note:
Requires a login access level of SERVICE. Service Technicians must refer to the
OptiView
Control Center - Service Instructions (Form 160.76-M1)
for operation instructions and explanation
of all programmable setpoints and displayed values.
Table 21: Display only fields
Field/LED name
Description
Entering Condenser Liquid
Temperature
Displays the temperature of the liquid as it enters the standard condenser tube
bundle.
Leaving Condenser Liquid
Temperature
Displays the temperature of the liquid as it leaves the standard condenser tube
bundle.
Head Pressure
Displays the pressure difference between the condenser and evaporator (condenser
minus evaporator). This is also called the Head Pressure.
43
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center
