Table of Contents
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Operating Procedures
•
BMS integration
•
Primary/Secondary control of chiller array
•
Low-Lift Application
Control Architecture
The control architecture is broken down in the following
categories:
•
Basic Controls – considers both standard water-cooled
and air-cooled chillers
–
Standards
–
Menus
–
Data Displays
•
Special Functions
–
Hand/Off/Auto
–
Chiller Setpoint Control
–
Enhanced EXV Control
–
Condenser/Fan/Cooling Tower Control/Bypass
Valve
–
Tonnage and Power Calculations
–
Metric/Imperial Display
–
BMS Interconnectivity
Display Common Features
Display Feature
Description
Static Text
Static text is light or dark Cyan
Dynamic Text
Dynamic text is context sensitive under
the following guidelines.
•
Evaporator – No Flow
•
Condenser – Flow
•
Green indicates OK, Active, Enable
or Normal.
•
Red indicates Off, inactive, Disable
or Fault.
•
Yellow indicates warning or potential
problem.
Dynamic Numeric
Dynamic numeric data is White
Data
User Numeric Data
User Numeric data (settings and
Setpoints) White in a Blue box:
Device HOA
Device HOA Control has 2 versions:
Control
•
Off, Hand and Auto is generally used
on pop-up setup windows.
•
Auto is used on device control
pages. It is a multi-option click
control which indicates each user
click rotates to the next option –
Auto-Off-Manual then back to Auto.
20
–
Compressor Staging Valve Control
•
Optional Functionalities
–
Free Cooling
–
Pump and Plant Controls
–
Data Logging
–
Master/Slave
–
Controller option
–
Economizer
–
Hot Gas Bypass Valve
–
Low-Lift Application
•
Security Configuration
•
Alarm Handling
Basic Controls
This section describes the basic functions of the chiller
control system.
•
Standards and common features
•
Menus
•
Data Displays
User Interface
ARTC-SVX014A-EN
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