ACS HE Series, Operation And Instruction Manual

Page: 55 / 83

HE Series Central Chillers Chapter 6: 55 of 83
When the start mode is set to remote, the system will be online when the remote start
input is active and the system will be offline when the remote start input is inactive.
Runtime Meters
Run time meters are present for every compressor on the system. They are reset each time
the compressor activates.
Save/Restore Settings
All setting and configuration variables can be saved or loaded from either internal PLC
memory or from a USB stick. Optionally, the hour meters can be included is the save or
restore. The variables can be saved in up to 99 different files. The files are named
export_#, where # is the selected file number.
NOTE: This feature is not available when the chiller is online.
6-5 Network Addressing
The circuit number is set using the small display and recessed button at the bottom of the
PLC. The program will set the network IP address based on the circuit number.
Circuit 1 (Master) 172.16.1.1
Circuit 2 172.16.1.2
Circuit 3 172.16.1.3
Circuit 4 172.16.1.4
Circuit 5 172.16.1.5
Circuit 6 172.16.1.6
Circuit 7 172.16.1.7
Circuit 8 172.16.1.8
Circuit 9 172.16.1.9
Circuit 10 172.16.1.10
Tank Temperature Sensor 172.16.1.11
Touchscreen 172.16.1.12 (Can be modified)
6-6 Alarms
When an alarm occurs, the alarm horn/light (optional) is activated and the
active alarm is shown on the display. The alarm horn/light can be silenced from
the display. If an alarm is still active 10 minutes (adjustable by alarm silence
time) after the it was silenced, the alarm horn/light will activate again.
Each alarm that occurs will be logged on the Alarm History screen. In
addition to the alarm name, data logged at the time the alarm is be displayed.