Installation and Maintenance Manual

Controls Interface
138 RLC-SVX09H-EN
• Constant Return
• Outdoor
• Disabled
The left column text “Front Panel”, “BAS” or “Schedule”,
“External”, “Auxiliary”, “Chilled Water Reset”, and “Active
Chilled Water Setpoint” will always be present regardless
of installation or enabling those optional items. In the
second column “-----” will be shown if that option is Not
Installed, otherwise the current setpoint from that source
will be shown.
Setpoints that are adjustable from the DynaView (Front
Panel Chilled Water Setpoint, Auxiliary Chilled Water
Setpoint) will provide navigation to their respective
setpoint change screen via a double-arrow to the right of
the setpoint source text.The setpoint change screen will
look identical to the one provided in the Chiller Setpoints
screen.The “Back” button on the setpoint change screen
provides navigation back to the setpoint arbitration
screen.
The “Back” button on the setpoint arbitration screen
provides navigation back to the chiller screen.
Other Active Setpoints
The Active Current Limit Setpoint will behave the same
was as the Active Chilled Water Setpoint, except that its
units are in percent and there is an Ice Building source in
place of the Auxiliary source. Front Panel Current Limit
Setpoint will provide navigation to its setpoint change
screen.
Settings Screen
The Settings screen provides a user the ability to adjust
settings necessary to support daily tasks.The layout
provides a list of sub-menus, organized by typical
subsystem.This organization allows each subscreen to be
shorter in length which should improve the user's
navigation.
A sample Settings screen is a list of the subsystems as
shown below.
Settings Sub-Screens - Table of Text, Data,
Ranges, etc.
Below is the table of text, resolution, field size, enumerated
selections, and data for Settings subscreens.
Table 109. Chiller
Description
Resolution or
(Enumerations),
Default Units
Front Panel Cool/Heat
Command
(Cool, Heat), Cool Enum
Front Panel Chilled Water
Setpt:
+ or - XXX.X Temperature
Front Panel Hot Water
Setpt
+ or - XXX.X Temperature
Front Panel Current Limit
Setpt:
XXX %RLA
Front Panel Ice Build Cmd On/Auto Enum
Front Panel Ice
Termination Setpoint
XXX.X Temperature
Setpoint Source:
(BAS/Ext/FP, Ext/Front
Panel, Front Panel),
BAS/Ext/FP
Enum
Differential to Start XX.X
Delta
Temperature
Differential to Stop XX.X
Delta
Temperature
Leaving Water Temp
Cutout
XX.X Temperature
Low Refrigerant Temp
Cutout
XX.X Temperature
Staging Sequence
(Bal Starts/Hrs, Fixed),
Bal Starts/Hrs
Enum
Condenser Pump Prestart
Time
XX, 0 Minutes
Table 110. Feature settings
Description
Resolution or
(Enumerations),
Default Units
Cooling Low Ambient Lockout
(Enable, Disable),
Enable
Enum
Cooling Low Ambient Lockout Subscreeen (see below)
Cooling Low Ambient Lockout
(Enable, Disable),
Enable
Enum
Cooling Low Amb Lockout Setpt XXX.X Temp
Ice Building:
(Enable, Disable),
Disable
Enum
Ext Chilled/Hot Water Setpt
(Enable, Disable),
Disable
Enum
Ext Current Limit Setpoint
(Enable, Disable),
Disable
Enum
Chilled Water Reset
(Const Return,
Outdoor, Return,
Disable), Disable
Enum
Chilled Water Reset Subscreens (see below)