Home Screen; Figure 4 - Home Screen - York YR Manual

FORM 160.81-O1 (1020)
ISSUE DATE 10/05/2020

FIGURE 4 - HOME SCREEN

Overview
When the chiller system is powered ON, the above de-
fault display appears. The primary values which must
be monitored and controlled are shown on this screen.
The HOME screen display depicts a visual represen-
tation of the chiller itself. Animation indicates chilled
liquid flow.
Display Only
Chilled Liquid Temperature - Leaving
Displays the temperature of the liquid as it leaves the
evaporator.
Chilled Liquid Temperature - Return
Displays the temperature of the liquid as it enters the
evaporator.
Condenser Liquid Temperature - Leaving
Displays the temperature of the liquid as it leaves the
condenser.
Condenser Liquid Temperature - Return
Displays the temperature of the liquid as it enters the
condenser.
Motor Run (LED)
Is ON when the digital output controlling the Motor
Starter contact is ON.
JOHNSON CONTROLS

HOME SCREEN

% Full Load Amps
This displays the percentage of full load amps utilized
by the system.
Operating Hours
Displays the cumulative operating hours of the chiller.
Programmable
Login
Access Level Required: VIEW
The Control Center restricts certain operations based
on password entry by the operator. Three different ac-
cess levels are provided as follows:
VIEW - The panel defaults to the lowest access level
which is termed VIEW. In this mode, the chiller op-
erating values and setpoints can be observed, but no
changes can be made.
OPERATOR - The second access level is termed OP-
ERATOR and will allow the customer to change all of
the setpoints required to operate the chiller system. The
OPERATOR access level reverts to the VIEW level af-
ter 10 continuous minutes without a key press.
SERVICE - In the event that advanced diagnostics are
necessary, a SERVICE access level has been provided.
Only qualified service personnel utilize this access lev-
el. This level provides advanced control over many of
the chiller functions and allows calibration of many of
SECTION 2 - OPTIVIEW™ CONTROL CENTER
2
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