Operation
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IOM 1281-2 • CENTRIFUGAL WATER CHILLERS
Figure 65: Settings View - Timers
Table 17: Timer Settings
Description
Default
Range
Password
Comments
Evap Recirculate
0.5 min
0.2 - 5 min
M
Time that evaporator pump must run before compressor start
Full Load Timer
59 sec
0 to 999 sec
T
Time compressor must load (without unloading) before vanes are considered fully open.
Start to Start Timer
40 min
2 to 60 min
M
Time required from a start to the next start
Stop to Start Timer
3 min
1 to 20 min
M
Time required from a stop to the next start
Dwell Time
0 min
0 to 99 min
T
Delay Time Alarms are passed to BAS to allow time for chiller to reset before disabled by BAS.
Prelube Timer
30 sec
10 to 240 sec
T
Unload Timer
60 sec
5 to 300 sec
T
Postlube Timer
30 sec
10 to 240 sec
T
Figure 66: Settings View - Interface
Table 18: Unit Interface Settings
Description
Default
Range
PW
Comments
BAS Network Protocol NONE
NONE, Local, Remote, MODBUS,
LONWORKS, BACnet IP, BACnet
Ethernet, BACnet MS/TP
M
NONE: No BAS network; MODBUS: RTU - RS485; LONWORKS: LONtalk - FTT-10A
BACnet IP: IP - Ethernet; BACnet Ethernet: Ethernet; BACnet MS/TP: RS485
NOTE:
It is likely that the chiller will contain the factory settings for date and time; therefore, it is important to verify or change
these settings when the chiller is first used on the job-site. Failure to do so will result in incorrectly labeled History files.
The version numbers shown are the controllers’ software identification. These numbers may be required by Daikin
Applied to answer questions about unit operation or to assist in possible future upgrades of software.
