Carrier AquaForce 30XV140, Controls, Start-Up, Operation, Service And Troubleshooting Instructions

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Table 19 — Operating Types
MACHINE CONTROL METHOD SELECTION
The Machine Control Method is selected through the Carrier
Controller by touching the Start/Stop button
.
Start/Stop Selection Screen
The Carrier Controller Start/Stop button is a hotkey, and when
touched, opens the Start/Stop selection screen. and displays the
list of Machine Control Methods if the unit is off (Fig. 24), or
Confirm Stop if the unit is on (Fig. 26).
Start a Stopped Machine
If the unit is off, the Start/Stop button will be gray. Touch
the icon to display the list of operating modes and select the re-
quired mode. Once the unit has been started, the display will
return to the home screen.
Stop a Running Machine
To stop a running unit, touch the green Start/Stop button .
For Machine Control Methods Local On or Master, confirm the
unit shutdown by touching Confirm Stop or cancel by touching
the Back button (Fig. 26).
Fig. 26 — Confirm Stop
For Machine Control Method Local Schedule, touch the Local Off
button to stop the machine or Back button to cancel (Fig. 26).
For Machine Control Method Network, touch the Local Off
button to stop the machine or Back button to cancel (Fig. 27).
If the unit was operating when a power failure occurred, the
controller initializes when power is restored and displays a
Warning screen to indicate the machine may start (Fig. 27). If
the Stop Chiller button is touched, the Success screen will be
displayed (Fig. 28). When the initialization period is complete,
the Warning screen, if the unit is not stopped, or Success screen
will clear as the Home Screen is displayed.
Fig. 27 — Chiller May Restart Automatically Warning
Screen
Fig. 28 — Chiller in Off Position Screen
Once the unit has been stopped, the Home screen is displayed.
If the unit is running, touching the Start/Stop button displays a
screen with a Confirm Stop button (see Fig. 26), which when
touched changes the chiller to Local Off mode. If the unit is
Off, touching the Start/Stop button shows a list of operating
types with the currently selected type corresponding to the last
running operating type (Fig. 24).
MACHINE ON/OFF FUNCTION
The machine operating state can be viewed by going to
Main
Menu

General Parameters

Run Status . Table 20 sum-
marizes possible unit states.
MACHINE CONTROL TYPE OPERATING TYPE DESCRIPTION
LOCAL OFF Local
The unit is under Local control method. It will remain halted and will ignore all CCN network
commands and remote switch contacts.
LOCAL ON Local
The unit is under Local control method and will be allowed to start. The control will ignore all
remote control contacts and all CCN network force commands (except the Emergency Stop Com-
mand).
LOCAL SCHEDULE Local
The unit is under Local control method and will be allowed to start if the schedule no. 1 is occu-
pied (
CHIL_OCC ). Otherwise, the unit will remain off. The control will ignore all remote control
contacts and all CCN network force commands (except the Emergency Stop Command).
NETWORK CCN
The unit is under CCN control method and will be controlled by CCN force commands. The con-
trol will ignore all remote control contacts.
REMOTE Remote
The unit is under Remote control method and will be controlled by the start/stop. In this mode,
no CCN force command can affect the unit control except the Emergency Stop Command.
MASTER Master
The unit is configured as the master unit in a two-unit master/slave plant. The master unit con-
trol method can be done locally, remotely or through CCN commands upon the master/slave
configuration.