JOHNSON CONTROLS
33
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
FORM 160.78-O2
ISSUE DATE: 5/22/2017
2
OVERVIEW
This screen is available at service level access and al-
lows the service technician to set the refrigerant level
control operational settings
The following elds require login access
level of SERVICE. Service technicians re-
fer to YORK YMC
2
Service Manual (Form
160.78-M2) for operation instructions
and explanations of all programmable
setpoints, zone parameters and displayed
values.
DISPLAY ONLY
Refrigerant Level
Same as Refrigerant Level Control Screen.
Active Setpoint
Same as Refrigerant Level Control Screen.
Level Control State
Same as Refrigerant Level Control Screen.
Transition Time Remaining
Same as Refrigerant Level Control Screen.
Ramp Up Time Remaining
Same as Refrigerant Level Control Screen.
Startup Delay Remaining
Same as Refrigerant Level Control Screen.
Level Control Valve Command
Same as Refrigerant Level Control Screen.
PROGRAMMABLE
Startup Position
Access Level Required: SERVICE
Specifies the position commanded to the level con-
trol valve during shutdown. Automatic valve comtrol
begins from this position unpon chiller run. (20% to
100%, default 50%)
Startup delay
Access Level Required: ADMIN
Specifies a delay time from the start of chiller run until
automatic control of refrigerant level begins.
REFRIGERANT LEVEL CONTROL SETPOINTS SCREEN
LD14852c
FIGURE 11 - REFRIGERANT LEVEL CONTROL SETPOINTS SCREEN
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