Johnson Controls YORK OPTIVIEW CONTROL CENTER, Operation Manual

Page: 133 / 142

JOHNSON CONTROLS
133
FORM 160.10-O1
ISSUE DATE: 4/27/2018
B
APPENDIX B - PROGRAMMABLE SETPOINT VALUES
TABLE 13 - PROGRAMMABLE SETPOINT VALUES
EVAPORATOR SCREEN
SETPOINT
ACCESS
LEVEL
MINIMUM
VALUE
MAXIMUM
VALUE
DEFAULT
Local Leaving Chilled Liquid Temperature - Setpoint Operator
38.0 °F - Water
36.0 °F - Sm Frz
10.0 °F - Brine
70.0 °F 45.0 °F
Local Leaving Chilled Liquid Temperature - Range Operator 10.0 °F 20.0 °F 10.0 °F
LCHLT Cycling Offset - Shutdown Operator 1.0°F
Varies with
LCHLT setpoint
and chilled liquid
type.
4.0 °F or highest
allowed value,
whichever is
lower.
LCHLT Cycling Offset - Restart Operator 0.0 °F
Varies with
LCHLT setpoint
and chilled liquid
type.
0.0 °F
Brine Low Evaporator Cutout Service 0.0 PSIA 12.5 PSIA 12.5 PSIA
Sensitivity Service 10 % 200 % 100 %
Smart Freeze Service Off On Off
Refrigerant (Sensor) Service Disabled Enabled Disabled
LOAD RATE SCREEN (EVAPORATOR SUBSCREEN)
SETPOINT
ACCESS
LEVEL
MINIMUM
VALUE
MAXIMUM
VALUE
DEFAULT
Load Rate Service
0.38 °F / Min, 0.75°F / Min, 1.13 °F /
Min, 1.50 °F / Min, 2.25 °F / Min, 3.00°F
/ Min, 5.25°F / Min, 10.50 °F / Min
0.38 °F / Min
Sensitivity Service 10% 200% 100%
Pulse Time Service 0.1 Secs 10.0 Secs 0.1 Secs
Pulse Period Service 0.0 Secs 10.0 Secs 2.0 Secs
CONDENSER SCREEN
SETPOINT
ACCESS
LEVEL
MINIMUM
VALUE
MAXIMUM
VALUE
DEFAULT
High Pressure Warning Threshold Service 14.0 PSIA 28.8 PSIA 28.8 PSIA
Drop Leg (Sensor) Service Disabled Enabled Disabled
Refrigerant (Sensor) Service Disabled Enabled Disabled
Purge Type Service
TurboGuard, SkyGuard Local,
SkyGuard Remote
SkyGuard
Remote
PURGE SCREEN (CONDENSER SUBSCREEN)
SETPOINT
ACCESS
LEVEL
MINIMUM
VALUE
MAXIMUM
VALUE
DEFAULT
High Efficiency Purge System Service Disabled Enabled Disabled
Maximum Purges / Hour Operator 10 30 20
Maximum Purges / Hour Service 1 30 20