JOHNSON CONTROLS
111
SECTION 2 – OPTIVIEW CONTROL CENTER
FORM 160.79-O3
ISSUE DATE: 11/09/2018
2
Flow Switch (TB4/J14))
Access Level Required: SERVICE
Configures the program to read the appropriate in-
put for the chilled and condenser water flow sensors.
The chiller will accept either site-installed paddle type
(Digital) flow sensors or factory-mounted thermal flow
sensors to sense the evaporator and condenser water
flow. The paddle type flow sensors, when closed, apply
115 VAC to I/O Board digital inputs on terminal TB4-
12 (evaporator) and TB4-11 (condenser). The factory-
mounted thermal type flow sensors apply +5 VDC to
the Microboard analog inputs at J14.
VGD (Enabled/Disabled)
Access Level Required: SERVICE
Enables and disables the Variable Geometry Diffuser
feature. If equipped with this feature, it should be en-
abled. Otherwise, it should be disabled.
NAVIGATION
Home
Access Level Required: VIEW
Causes an instant return to the Home screen.
Setup
Access Level Required: VIEW
Return to the Setup screen.
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