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

Variable speed air-cooled liquid chillers with greenspeed intelligence and touch pilot controls
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ITEM
CCN MENU NAME
1
CAPACTRL
2
VLT_DRV
3
LAST_POR
4
EXV_CTRL
5
LIMITS
6
M_MSTSLV
7
ECO_CTRL
8
FAN_CTRL
9
FAN_DRV
10
TBLSHT
11
FAN_DRV2
Machine Control Methods —
mined based on a number of factors, including its operating
type, active overrides, open contacts, master/slave configura-
tion, or alarms triggered due to operating conditions. These pa-
rameters can be controlled by one of the following methods:
• Locally on unit: Local Control type
• Remotely through a user contact: Remote Control type
• Remotely through the CCN network: CCN Control type
The main interface Start/Stop button is used to select one of
the above control types. In addition, when the Local control
type is selected, this button can be used to select a particular
functional mode: On, Off or Schedule mode. See Fig. 20. If the
Start/Stop button is green the unit is running. If the Start/Stop
button is gray the unit is not running. If the button is flashing
green then the unit is preparing to start.
Table 17 summarizes the available operating types.
Table 16 — Maintenance Menu Table
ACCESS
SERVICE
SERVICE
SERVICE
SERVICE
SERVICE
SERVICE
SERVICE
SERVICE
SERVICE
SERVICE
SERVICE
The unit state is deter-
20
MENU TEXT DESCRIPTION
Capacity Control
VLT Drive Maintenance
Last PowerOn Reset
EXV Control
Control Limits
Master Slave Control
EXV Eco. Control
Fan Control
Fan Drive Maintenance
Troubleshoot Info
Fan Drive Addressing
SHOWS THE
LAST MODE
SELECTED
Fig. 20 — Machine Control Methods
ICON
START/STOP
BUTTON
a30-5917

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