York OPTIVIEW - Languages and Analog Input Ranges; Operator Setpoints Quick Reference

JOHNSON CONTROLS
17
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
FORM 160.78-O2
ISSUE DATE: 5/22/2017
2
ANALOG INPUT RANGES
The following table indicates the valid display range
for each of the analog input values. In the event that the
input sensor is reading a value outside of these ranges,
LANGUAGES
The screens can be displayed in various languages.
Language selection is done on the USER Screen. The
desired language is selected from those available. Not
all languages are available. English is the default lan-
guage. If a language other than English is being dis-
played, an English speaking person should navigate
to the USER Screen (using the preceding Navigation
chart) and select English.
TABLE 1 - ANALOG INPUT RANGES
ANALOG INPUT
ENGLISH RANGE METRIC RANGE
LOW HIGH UNITS LOW HIGH UNITS
Leaving Chilled Liquid Temperature 0.0 82.0 °F -17.7 27.7 °C
Return Chilled Liquid Temperature 0.0 94.1 °F -17.7 34.5 °C
Leaving Condenser Liquid Temperature 8.0 133.5 °F -13.3 56.3 °C
Return Condenser Liquid Temperature 8.0 133.5 °F -13.3 56.3 °C
Evaporator Refrigerant Temperature (Optional) 0.0 126.1 °F -17.7 52.3 °C
Discharge Temperature 31.8 226.3 °F -0.1 107.9 °C
Condenser Pressure (R134a) 0.0 315.0 PSIG 0.0 2172.4 KPAG
Condenser Temperature (R134a)* -98.7 160.1 °F -72.6 71.7 °C
Evaporator Pressure (R134a) 5.5 77.4 PSIG 37.9 533.7 KPAG
Evaporator Temperature (R134a)* -44.9 64.7 °F -42.7 18.1 °C
Refrigerant Level 0.0 100.0 % 0.0 100.0 %
Drop Leg Refrigerant Temperature 0.0 121.7 °F -17.7 49.8 °C
Motor Housing Temperature 31.8 226.3 °F -0.1 107.9 °C
*Saturation temperatures are calculated values. They will display XXX if the pressure used for the calculation is out of range.
the < or > symbols will be displayed beside the mini-
mum or maximum value, respectively.
OPERATOR SETPOINTS QUICK REFERENCE
The most common Operator level setpoints can be
found on the following screens:
Leaving Chilled
Liquid Temperaure: Evaporator Screen
Shutdown Temperature Offset: Evaporator Screen
Restart Temperature Offset: Evaporator Screen
Local Input Current Limit: VSD Screen
Pulldown Demand Limit: VSD Screen
Pulldown Demand Time: VSD Screen
Head Pressure Setpoint (When The Feature Is Enabled:
Condenser – Head Pressure Control)